Upgrade to GitHub-native Dependabot

chore(Cargo.toml): exclude /wasm and /.github
release: bump version to 0.9.0
2021-11-08 17:18:19 +08:00 · 2021-11-08 17:08:38 +08:00 · 2021-11-08 17:03:16 +08:00 · 2021-11-08 16:17:12 +08:00 · 2021-11-08 16:17:11 +08:00 · 2021-11-08 14:17:47 +08:00
26 changed files with 1674 additions and 354 deletions
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -0,0 +1,8 @@
+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: "/"
+    schedule:
+      interval: weekly
+      time: "09:00"
+    open-pull-requests-limit: 10
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@ -1,17 +1,13 @@
 name: Rust

-on:
-  pull_request:
-  push:
-    branches:
-      - master
+on: [push, pull_request]

 jobs:
  format:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2

      - name: Run rustfmt
        run: cargo fmt -- --check
@ -20,7 +16,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
--- a/.github/workflows/wasm.yml
+++ b/.github/workflows/wasm.yml
@ -0,0 +1,34 @@
+name: Wasm
+
+on: [push, pull_request]
+
+defaults:
+  run:
+    working-directory: wasm
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "14"
+
+      - name: Install
+        run: |
+          curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+          yarn
+
+      - name: Build
+        run: |
+          wasm-pack build --target web --out-dir wasm/pkg -- --features wasm
+          yarn build
+
+      - name: Deploy to gh pages
+        uses: JamesIves/github-pages-deploy-action@4.1.5
+        with:
+          branch: gh-pages
+          folder: wasm/lib
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "orgize"
-version = "0.8.4"
+version = "0.9.0"
 authors = ["PoiScript <poiscript@gmail.com>"]
 description = "A Rust library for parsing orgmode files."
 repository = "https://github.com/PoiScript/orgize"
@ -8,6 +8,7 @@ readme = "README.md"
 edition = "2018"
 license = "MIT"
 keywords = ["orgmode", "emacs", "parser"]
+exclude = ["/wasm", "/.github"]

 [package.metadata.docs.rs]
 all-features = true
@ -15,24 +16,36 @@ all-features = true
 [badges]
 travis-ci = { repository = "PoiScript/orgize" }

+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"
+
 [features]
 default = ["ser"]
-ser = ["serde", "serde_indextree"]
+wasm = ["serde-wasm-bindgen", "wasm-bindgen", "wee_alloc"]
+ser = ["serde", "serde_indextree", "indexmap/serde-1"]

 [dependencies]
-bytecount = "0.6.0"
-chrono = { version = "0.4.11", optional = true }
-indextree = "4.0.0"
-jetscii = "0.4.4"
-lazy_static = "1.4.0"
-memchr = "2.3.3"
-# we don't need to parse any float number, so lexical crate is redundant
-nom = { version = "5.1.1", default-features = false, features = ["std"] }
-serde = { version = "1.0.106", optional = true, features = ["derive"] }
-serde_indextree = { version = "0.2.0", optional = true }
-syntect = { version = "4.1.0", optional = true }
+bytecount = "0.6"
+chrono = { version = "0.4", optional = true }
+indextree = "4.3"
+jetscii = "0.5"
+lazy_static = "1.4"
+memchr = "2.4"
+nom = { version = "7.0", default-features = false, features = ["std"] }
+serde = { version = "1.0", optional = true, features = ["derive"] }
+serde_indextree = { version = "0.2", optional = true }
+syntect = { version = "4.6", optional = true }
+indexmap = { version = "1.7", features = ["serde-1"], optional = true }
+# wasm stuff
+serde-wasm-bindgen = { version = "0.3", optional = true }
+wasm-bindgen = { version = "0.2", optional = true }
+wee_alloc = { version = "0.4", optional = true }

 [dev-dependencies]
-pretty_assertions = "0.6.1"
-serde_json = "1.0.51"
-slugify = "0.1.0"
+pretty_assertions = "1.0"
+serde_json = "1.0"
+slugify = "0.1"
--- a/2
+++ b/2
@ -1,6 +1,6 @@
 MIT License

-Copyright (c) 2019 Alex Lin (poi)
+Copyright (c) 2019-2021 Alex Lin (poi)

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
--- a/README.md
+++ b/README.md
@ -195,7 +195,7 @@ println!("{}", to_string(&org).unwrap());

 ## Features

-By now, orgize provides three features:
+By now, orgize provides four features:

 + `ser`: adds the ability to serialize `Org` and other elements using `serde`, enabled by default.

@ -203,6 +203,8 @@ By now, orgize provides three features:

 + `syntect`: provides `SyntectHtmlHandler` for highlighting code block, disabled by default.

+ `indexmap`: Uses `IndexMap` instead of `HashMap` for properties to preserve their order, disabled by default.
+
 ## License

 MIT
--- a/docs/SYNTAX.md
+++ b/docs/SYNTAX.md
@ -27,7 +27,8 @@
    1.  [Entities and LaTeX Fragments](#Entities_and_LaTeX_Fragments)
    2.  [Export Snippets](#Export_Snippets)
    3.  [Footnote References](#Footnote_References)
-    4.  [Inline Babel Calls and Source Blocks](#Inline_Babel_Calls_and_Source_Blocks)
+    4.  [Inline Babel Calls and Source
+        Blocks](#Inline_Babel_Calls_and_Source_Blocks)
    5.  [Line Breaks](#Line_Breaks)
    6.  [Links](#Links)
    7.  [Macros](#Macros)
@ -38,29 +39,29 @@
    12. [Timestamps](#Timestamp)
    13. [Text Markup](#Emphasis_Markers)

-This document describes and comments Org syntax as it is currently
-read by its parser (Org Elements) and, therefore, by the export
-framework. It also includes a few comments on that syntax.
+This document describes and comments Org syntax as it is currently read by its
+parser (Org Elements) and, therefore, by the export framework. It also includes
+a few comments on that syntax.

-A core concept in this syntax is that only headlines, sections,
-planning lines and property drawers are context-free<sup><a id="fnr.1" class="footref" href="#fn.1">1</a></sup><sup>, </sup><sup><a id="fnr.2" class="footref" href="#fn.2">2</a></sup>.
-Every other syntactical part only exists within specific environments.
+A core concept in this syntax is that only headlines, sections, planning lines
+and property drawers are context-free<sup><a id="fnr.1" class="footref"
+href="#fn.1">1</a></sup><sup>, </sup><sup><a id="fnr.2" class="footref"
+href="#fn.2">2</a></sup>. Every other syntactical part only exists within
+specific environments.

-Three categories are used to classify these environments: &ldquo;Greater
-elements&rdquo;, &ldquo;elements&rdquo;, and &ldquo;objects&rdquo;, from the broadest scope to the
-narrowest. The word &ldquo;element&rdquo; is used for both Greater and non-Greater
-elements, the context should make that clear.
+Three categories are used to classify these environments: **Greater elements**,
+**elements**, and **objects**, from the broadest scope to the narrowest. The
+word **element** is used for both Greater and non-Greater elements, the context
+should make that clear.

-The paragraph is the unit of measurement. An element defines
-syntactical parts that are at the same level as a paragraph,
-i.e. which cannot contain or be included in a paragraph. An object is
-a part that could be included in an element. Greater elements are all
-parts that can contain an element.
+The paragraph is the unit of measurement. An element defines syntactical parts
+that are at the same level as a paragraph, i.e. which cannot contain or be
+included in a paragraph. An object is a part that could be included in an
+element. Greater elements are all parts that can contain an element.

-Empty lines belong to the largest element ending before them. For
-example, in a list, empty lines between items belong are part of the
-item before them, but empty lines at the end of a list belong to the
-plain list element.
+Empty lines belong to the largest element ending before them. For example, in a
+list, empty lines between items belong are part of the item before them, but
+empty lines at the end of a list belong to the plain list element.

 Unless specified otherwise, case is not significant.

@ -72,24 +73,22 @@ A headline is defined as:

    STARS KEYWORD PRIORITY TITLE TAGS

-STARS is a string starting at column 0, containing at least one
-asterisk (and up to `org-inlinetask-min-level` if `org-inlinetask`
-library is loaded) and ended by a space character. The number of
-asterisks is used to define the level of the headline. It&rsquo;s the
-sole compulsory part of a headline.
+STARS is a string starting at column 0, containing at least one asterisk (and up
+to `org-inlinetask-min-level` if `org-inlinetask` library is loaded) and ended
+by a space character. The number of asterisks is used to define the level of the
+headline. It's the sole compulsory part of a headline.

-KEYWORD is a TODO keyword, which has to belong to the list defined
-in `org-todo-keywords-1`. Case is significant.
+KEYWORD is a TODO keyword, which has to belong to the list defined in
+`org-todo-keywords-1`. Case is significant.

-PRIORITY is a priority cookie, i.e. a single letter preceded by
-a hash sign # and enclosed within square brackets.
+PRIORITY is a priority cookie, i.e. a single letter preceded by a hash sign #
+and enclosed within square brackets.

-TITLE can be made of any character but a new line. Though, it will
-match after every other part have been matched.
+TITLE can be made of any character but a new line. Though, it will match after
+every other part have been matched.

-TAGS is made of words containing any alpha-numeric character,
-underscore, at sign, hash sign or percent sign, and separated with
-colons.
+TAGS is made of words containing any alpha-numeric character, underscore, at
+sign, hash sign or percent sign, and separated with colons.

 Examples of valid headlines include:

@ -101,21 +100,21 @@ Examples of valid headlines include:

    **** TODO [#A] COMMENT Title :tag:a2%:

-If the first word appearing in the title is &ldquo;COMMENT&rdquo;, the headline
-will be considered as &ldquo;commented&rdquo;. Case is significant.
+If the first word appearing in the title is `COMMENT`, the headline will be
+considered as **commented**. Case is significant.

-If its title is `org-footnote-section`, it will be considered as
-a &ldquo;footnote section&rdquo;. Case is significant.
+If its title is `org-footnote-section`, it will be considered as a **footnote
+section**. Case is significant.

-If &ldquo;ARCHIVE&rdquo; is one of its tags, it will be considered as
-&ldquo;archived&rdquo;. Case is significant.
+If `ARCHIVE` is one of its tags, it will be considered as **archived**. Case is
+significant.

-A headline contains directly one section (optionally), followed by
-any number of deeper level headlines.
+A headline contains directly one section (optionally), followed by any number of
+deeper level headlines.

-A section contains directly any greater element or element. Only
-a headline can contain a section. As an exception, text before the
-first headline in the document also belongs to a section.
+A section contains directly any greater element or element. Only a headline can
+contain a section. As an exception, text before the first headline in the
+document also belongs to a section.

 As an example, consider the following document:

@ -145,42 +144,44 @@ Its internal structure could be summarized as:

 # Affiliated Keywords

-With the exception of [inlinetasks](#Inlinetasks), [items](#Plain_Lists_and_Items), [planning](#Clock,_Diary_Sexp_and_Planning), [clocks](#Clock,_Diary_Sexp_and_Planning), [node
-properties](#Node_Properties) and [table rows](#Table_Rows), every other element type can be assigned
+With the exception of [inlinetasks](#Inlinetasks),
+[items](#Plain_Lists_and_Items), [planning](#Clock,_Diary_Sexp_and_Planning),
+[clocks](#Clock,_Diary_Sexp_and_Planning), [node properties](#Node_Properties)
+and [table rows](#Table_Rows), every other element type can be assigned
 attributes.

-This is done by adding specific keywords, named &ldquo;affiliated
-keywords&rdquo;, just above the element considered, no blank line
-allowed.
+This is done by adding specific keywords, named **affiliated keywords**, just
+above the element considered, no blank line allowed.

-Affiliated keywords are built upon one of the following patterns:
-&ldquo;#+KEY: VALUE&rdquo;, &ldquo;#+KEY[OPTIONAL]: VALUE&rdquo; or &ldquo;#+ATTR<sub>BACKEND</sub>: VALUE&rdquo;.
+Affiliated keywords are built upon one of the following patterns: `#+KEY: VALUE`,
+`#+KEY[OPTIONAL]: VALUE` or `#+ATTR_BACKEND: VALUE`.

-KEY is either &ldquo;CAPTION&rdquo;, &ldquo;HEADER&rdquo;, &ldquo;NAME&rdquo;, &ldquo;PLOT&rdquo; or &ldquo;RESULTS&rdquo;
-string.
+KEY is either `CAPTION`, `HEADER`, `NAME`, `PLOT` or `RESULTS` string.

-BACKEND is a string constituted of alpha-numeric characters, hyphens
-or underscores.
+BACKEND is a string constituted of alpha-numeric characters, hyphens or
+underscores.

-OPTIONAL and VALUE can contain any character but a new line. Only
-&ldquo;CAPTION&rdquo; and &ldquo;RESULTS&rdquo; keywords can have an optional value.
+OPTIONAL and VALUE can contain any character but a new line. Only `CAPTION` and
+`RESULTS` keywords can have an optional value.

-An affiliated keyword can appear more than once if KEY is either
-&ldquo;CAPTION&rdquo; or &ldquo;HEADER&rdquo; or if its pattern is &ldquo;#+ATTR<sub>BACKEND</sub>: VALUE&rdquo;.
+An affiliated keyword can appear more than once if KEY is either `CAPTION` or
+`HEADER` or if its pattern is `#+ATTR_BACKEND: VALUE`.

-&ldquo;CAPTION&rdquo;, &ldquo;AUTHOR&rdquo;, &ldquo;DATE&rdquo; and &ldquo;TITLE&rdquo; keywords can contain objects
-in their value and their optional value, if applicable.
+`CAPTION`, `AUTHOR`, `DATE` and `TITLE` keywords can contain objects in their
+value and their optional value, if applicable.

 <a id="Greater_Elements"></a>

 # Greater Elements

-Unless specified otherwise, greater elements can contain directly
-any other element or greater element excepted:
+Unless specified otherwise, greater elements can contain directly any other
+element or greater element excepted:

 - elements of their own type,
- [node properties](#Node_Properties), which can only be found in [property drawers](#Property_Drawers),
- [items](#Plain_Lists_and_Items), which can only be found in [plain lists](#Plain_Lists_and_Items).
+- [node properties](#Node_Properties), which can only be found in [property
+  drawers](#Property_Drawers),
+- [items](#Plain_Lists_and_Items), which can only be found in [plain
+  lists](#Plain_Lists_and_Items).

 <a id="Greater_Blocks"></a>

@ -194,18 +195,16 @@ Greater blocks consist in the following pattern:

 NAME can contain any non-whitespace character.

-PARAMETERS can contain any character other than new line, and can
-be omitted.
+PARAMETERS can contain any character other than new line, and can be omitted.

-If NAME is &ldquo;CENTER&rdquo;, it will be a &ldquo;center block&rdquo;. If it is
-&ldquo;QUOTE&rdquo;, it will be a &ldquo;quote block&rdquo;.
+If NAME is `CENTER`, it will be a **center block**. If it is `QUOTE`, it will be
+a **quote block**.

 If the block is neither a center block, a quote block or a [block
-element](#Blocks), it will be a &ldquo;special block&rdquo;.
+element](#Blocks), it will be a **special block**.

-CONTENTS can contain any element, except : a line `#+END_NAME` on
-its own. Also lines beginning with STARS must be quoted by
-a comma.
+CONTENTS can contain any element, except : a line `#+END_NAME` on its own. Also
+lines beginning with STARS must be quoted by a comma.

 <a id="Drawers"></a>

@ -217,8 +216,7 @@ Pattern for drawers is:
    CONTENTS
    :END:

-NAME can contain word-constituent characters, hyphens and
-underscores.
+NAME can contain word-constituent characters, hyphens and underscores.

 CONTENTS can contain any element but another drawer.

@ -246,63 +244,58 @@ Pattern for footnote definitions is:

 It must start at column 0.

-LABEL is either a number or follows the pattern &ldquo;fn:WORD&rdquo;, where
-word can contain any word-constituent character, hyphens and
-underscore characters.
+LABEL is either a number or follows the pattern `fn:WORD`, where word can
+contain any word-constituent character, hyphens and underscore characters.

-CONTENTS can contain any element excepted another footnote
-definition. It ends at the next footnote definition, the next
-headline, two consecutive empty lines or the end of buffer.
+CONTENTS can contain any element excepted another footnote definition. It ends
+at the next footnote definition, the next headline, two consecutive empty lines
+or the end of buffer.

 <a id="Inlinetasks"></a>

 ## Inlinetasks

-Inlinetasks are defined by `org-inlinetask-min-level` contiguous
-asterisk characters starting at column 0, followed by a whitespace
-character.
+Inlinetasks are defined by `org-inlinetask-min-level` contiguous asterisk
+characters starting at column 0, followed by a whitespace character.

 Optionally, inlinetasks can be ended with a string constituted of
-`org-inlinetask-min-level` contiguous asterisk characters starting
-at column 0, followed by a space and the &ldquo;END&rdquo; string.
+`org-inlinetask-min-level` contiguous asterisk characters starting at column 0,
+followed by a space and the `END` string.

-Inlinetasks are recognized only after `org-inlinetask` library is
-loaded.
+Inlinetasks are recognized only after `org-inlinetask` library is loaded.

 <a id="Plain_Lists_and_Items"></a>

 ## Plain Lists and Items

 Items are defined by a line starting with the following pattern:
-&ldquo;BULLET COUNTER-SET CHECK-BOX TAG&rdquo;, in which only BULLET is
-mandatory.
+`BULLET COUNTER-SET CHECK-BOX TAG`, in which only BULLET is mandatory.

-BULLET is either an asterisk, a hyphen, a plus sign character or
-follows either the pattern &ldquo;COUNTER.&rdquo; or &ldquo;COUNTER)&rdquo;. In any case,
-BULLET is follwed by a whitespace character or line ending.
+BULLET is either an asterisk, a hyphen, a plus sign character or follows either
+the pattern `COUNTER.` or `COUNTER)`. In any case, BULLET is follwed by a
+whitespace character or line ending.

 COUNTER can be a number or a single letter.

 COUNTER-SET follows the pattern [@COUNTER].

-CHECK-BOX is either a single whitespace character, a &ldquo;X&rdquo; character
-or a hyphen, enclosed within square brackets.
+CHECK-BOX is either a single whitespace character, a `X` character or a hyphen,
+enclosed within square brackets.

-TAG follows &ldquo;TAG-TEXT ::&rdquo; pattern, where TAG-TEXT can contain any
-character but a new line.
+TAG follows `TAG-TEXT ::` pattern, where TAG-TEXT can contain any character but
+a new line.

-An item ends before the next item, the first line less or equally
-indented than its starting line, or two consecutive empty lines.
-Indentation of lines within other greater elements do not count,
-neither do inlinetasks boundaries.
+An item ends before the next item, the first line less or equally indented than
+its starting line, or two consecutive empty lines. Indentation of lines within
+other greater elements do not count, neither do inlinetasks boundaries.

-A plain list is a set of consecutive items of the same indentation.
-It can only directly contain items.
+A plain list is a set of consecutive items of the same indentation. It can only
+directly contain items.

-If first item in a plain list has a counter in its bullet, the
-plain list will be an &ldquo;ordered plain-list&rdquo;. If it contains a tag,
-it will be a &ldquo;descriptive list&rdquo;. Otherwise, it will be an
-&ldquo;unordered list&rdquo;. List types are mutually exclusive.
+If first item in a plain list has a counter in its bullet, the plain list will
+be an **ordered plain-list**. If it contains a tag, it will be a **descriptive
+list**. Otherwise, it will be an **unordered list**. List types are mutually
+exclusive.

 For example, consider the following excerpt of an Org document:

@ -322,8 +315,8 @@ Its internal structure is as follows:

 ## Property Drawers

-Property drawers are a special type of drawer containing properties
-attached to a headline. They are located right after a [headline](#Headlines_and_Sections)
+Property drawers are a special type of drawer containing properties attached to
+a headline. They are located right after a [headline](#Headlines_and_Sections)
 and its [planning](#Clock,_Diary_Sexp_and_Planning) information.

    HEADLINE
@ -345,23 +338,22 @@ where CONTENTS consists of zero or more [node properties](#Node_Properties).

 ## Tables

-Tables start at lines beginning with either a vertical bar or the
-&ldquo;+-&rdquo; string followed by plus or minus signs only, assuming they are
-not preceded with lines of the same type. These lines can be
-indented.
+Tables start at lines beginning with either a vertical bar or the `+-` string
+followed by plus or minus signs only, assuming they are not preceded with lines
+of the same type. These lines can be indented.

-A table starting with a vertical bar has &ldquo;org&rdquo; type. Otherwise it
-has &ldquo;table.el&rdquo; type.
+A table starting with a vertical bar has `org` type. Otherwise it has `table.el`
+type.

-Org tables end at the first line not starting with a vertical bar.
-Table.el tables end at the first line not starting with either
-a vertical line or a plus sign. Such lines can be indented.
+Org tables end at the first line not starting with a vertical bar. Table.el
+tables end at the first line not starting with either a vertical line or a plus
+sign. Such lines can be indented.

-An org table can only contain table rows. A table.el table does
-not contain anything.
+An org table can only contain table rows. A table.el table does not contain
+anything.

-One or more &ldquo;#+TBLFM: FORMULAS&rdquo; lines, where &ldquo;FORMULAS&rdquo; can contain
-any character, can follow an org table.
+One or more `#+TBLFM: FORMULAS` lines, where `FORMULAS` can contain any
+character, can follow an org table.

 <a id="Elements"></a>

@ -370,8 +362,8 @@ any character, can follow an org table.
 Elements cannot contain any other element.

 Only [keywords](#Keywords) whose name belongs to
-`org-element-document-properties`, [verse blocks](#Blocks) , [paragraphs](#Paragraphs) and
-[table rows](#Table_Rows) can contain objects.
+`org-element-document-properties`, [verse blocks](#Blocks) ,
+[paragraphs](#Paragraphs) and [table rows](#Table_Rows) can contain objects.

 <a id="Babel_Call"></a>

@ -395,33 +387,33 @@ Like [greater blocks](#Greater_Blocks), pattern for blocks is:

 NAME cannot contain any whitespace character.

-If NAME is &ldquo;COMMENT&rdquo;, it will be a &ldquo;comment block&rdquo;. If it is
-&ldquo;EXAMPLE&rdquo;, it will be an &ldquo;example block&rdquo;. If it is &ldquo;EXPORT&rdquo;, it
-will be an &ldquo;export block&rdquo;. If it is &ldquo;SRC&rdquo;, it will be a &ldquo;source
-block&rdquo;. If it is &ldquo;VERSE&rdquo;, it will be a &ldquo;verse block&rdquo;.
+1. If NAME is `COMMENT`, it will be a **comment block**.
+2. If it is `EXAMPLE`, it will be an **example block**.
+3. If it is `EXPORT`, it will be an **export block**.
+4. If it is `SRC`, it will be a **source block**.
+5. If it is `VERSE`, it will be a **verse block**.

-DATA can contain any character but a new line. It can be ommitted,
-unless the block is either a &ldquo;source block&rdquo; or an &ldquo;export block&rdquo;.
+DATA can contain any character but a new line. It can be ommitted, unless the
+block is either a **source block** or an **export block**.

 In the latter case, it should be constituted of a single word.

-In the former case, it must follow the pattern &ldquo;LANGUAGE SWITCHES
-ARGUMENTS&rdquo;, where SWITCHES and ARGUMENTS are optional.
+In the former case, it must follow the pattern `LANGUAGE SWITCHES ARGUMENTS`,
+where SWITCHES and ARGUMENTS are optional.

 LANGUAGE cannot contain any whitespace character.

-SWITCHES is made of any number of &ldquo;SWITCH&rdquo; patterns, separated by
-blank lines.
+SWITCHES is made of any number of `SWITCH` patterns, separated by blank lines.

-A SWITCH pattern is either &ldquo;-l &rdquo;FORMAT&ldquo;&rdquo;, where FORMAT can contain
-any character but a double quote and a new line, &ldquo;-S&rdquo; or &ldquo;+S&rdquo;,
-where S stands for a single letter.
+A SWITCH pattern is either `-l FORMAT`, where FORMAT can contain any character
+but a double quote and a new line, `-S` or `+S`, where S stands for a single
+letter.

 ARGUMENTS can contain any character but a new line.

-CONTENTS can contain any character, including new lines. Though it
-will only contain Org objects if the block is a verse block.
-Otherwise, CONTENTS will not be parsed.
+CONTENTS can contain any character, including new lines. Though it will only
+contain Org objects if the block is a verse block. Otherwise, CONTENTS will not
+be parsed.

 <a id="Clock,_Diary_Sexp_and_Planning"></a>

@ -432,41 +424,39 @@ A clock follows either of the patterns below:
    CLOCK: INACTIVE-TIMESTAMP
    CLOCK: INACTIVE-TIMESTAMP-RANGE DURATION

-INACTIVE-TIMESTAMP, resp. INACTIVE-TIMESTAMP-RANGE, is an inactive,
-resp. inactive range, [timestamp](#Timestamp) object.
+INACTIVE-TIMESTAMP, resp. INACTIVE-TIMESTAMP-RANGE, is an inactive, resp.
+inactive range, [timestamp](#Timestamp) object.

 DURATION follows the pattern:

    => HH:MM

-HH is a number containing any number of digits. MM is a two digit
-numbers.
+HH is a number containing any number of digits. MM is a two digit numbers.

-A diary sexp is a line starting at column 0 with &ldquo;%%(&rdquo; string. It
-can then contain any character besides a new line.
+A diary sexp is a line starting at column 0 with `%%(` string. It can then
+contain any character besides a new line.

 A planning is an element with the following pattern:

    HEADLINE
    PLANNING

-where HEADLINE is a [headline](#Headlines_and_Sections) element and PLANNING is a line filled
-with INFO parts, where each of them follows the pattern:
+where HEADLINE is a [headline](#Headlines_and_Sections) element and PLANNING is
+a line filled with INFO parts, where each of them follows the pattern:

    KEYWORD: TIMESTAMP

-KEYWORD is either &ldquo;DEADLINE&rdquo;, &ldquo;SCHEDULED&rdquo; or &ldquo;CLOSED&rdquo;. TIMESTAMP
-is a [timestamp](#Timestamp) object.
+KEYWORD is either `DEADLINE`, `SCHEDULED` or `CLOSED`. TIMESTAMP is a
+[timestamp](#Timestamp) object.

-In particular, no blank line is allowed between PLANNING and
-HEADLINE.
+In particular, no blank line is allowed between PLANNING and HEADLINE.

 <a id="Comments"></a>

 ## Comments

-A &ldquo;comment line&rdquo; starts with a hash signe and a whitespace
-character or an end of line.
+A **comment line** starts with a hash signe and a whitespace character or an end
+of line.

 Comments can contain any number of consecutive comment lines.

@ -474,18 +464,17 @@ Comments can contain any number of consecutive comment lines.

 ## Fixed Width Areas

-A &ldquo;fixed-width line&rdquo; start with a colon character and a whitespace
-or an end of line.
+A **fixed-width line** start with a colon character and a whitespace or an end
+of line.

-Fixed width areas can contain any number of consecutive fixed-width
-lines.
+Fixed width areas can contain any number of consecutive fixed-width lines.

 <a id="Horizontal_Rules"></a>

 ## Horizontal Rules

-A horizontal rule is a line made of at least 5 consecutive hyphens.
-It can be indented.
+A horizontal rule is a line made of at least 5 consecutive hyphens. It can be
+indented.

 <a id="Keywords"></a>

@ -495,13 +484,12 @@ Keywords follow the syntax:

    #+KEY: VALUE

-KEY can contain any non-whitespace character, but it cannot be
-equal to &ldquo;CALL&rdquo; or any affiliated keyword.
+KEY can contain any non-whitespace character, but it cannot be equal to `CALL`
+or any affiliated keyword.

 VALUE can contain any character excepted a new line.

-If KEY belongs to `org-element-document-properties`, VALUE can
-contain objects.
+If KEY belongs to `org-element-document-properties`, VALUE can contain objects.

 <a id="LaTeX_Environments"></a>

@ -513,14 +501,14 @@ Pattern for LaTeX environments is:

 NAME is constituted of alpha-numeric or asterisk characters.

-CONTENTS can contain anything but the &ldquo;\end{NAME}&rdquo; string.
+CONTENTS can contain anything but the `\end{NAME}` string.

 <a id="Node_Properties"></a>

 ## Node Properties

-Node properties can only exist in [property drawers](#Property_Drawers). Their pattern
-is any of the following
+Node properties can only exist in [property drawers](#Property_Drawers). Their
+pattern is any of the following

    :NAME: VALUE

@ -530,8 +518,8 @@ is any of the following

    :NAME+:

-NAME can contain any non-whitespace character but cannot end with
-a plus sign. It cannot be the empty string.
+NAME can contain any non-whitespace character but cannot end with a plus sign.
+It cannot be the empty string.

 VALUE can contain anything but a newline character.

@ -539,8 +527,8 @@ VALUE can contain anything but a newline character.

 ## Paragraphs

-Paragraphs are the default element, which means that any
-unrecognized context is a paragraph.
+Paragraphs are the default element, which means that any unrecognized context is
+a paragraph.

 Empty lines and other elements end paragraphs.

@ -550,11 +538,11 @@ Paragraphs can contain every type of object.

 ## Table Rows

-A table rows is either constituted of a vertical bar and any number
-of [table cells](#Table_Cells) or a vertical bar followed by a hyphen.
+A table rows is either constituted of a vertical bar and any number of [table
+cells](#Table_Cells) or a vertical bar followed by a hyphen.

-In the first case the table row has the &ldquo;standard&rdquo; type. In the
-second case, it has the &ldquo;rule&rdquo; type.
+In the first case the table row has the **standard** type. In the second case,
+it has the **rule** type.

 Table rows can only exist in [tables](#Tables).

@ -564,19 +552,18 @@ Table rows can only exist in [tables](#Tables).

 Objects can only be found in the following locations:

- [affiliated keywords](#Affiliated_keywords) defined in `org-element-parsed-keywords`,
+- [affiliated keywords](#Affiliated_keywords) defined in
+  `org-element-parsed-keywords`,
 - [document properties](#Keywords),
 - [headline](#Headlines_and_Sections) titles,
 - [inlinetask](#Inlinetasks) titles,
 - [item](#Plain_Lists_and_Items) tags,
 - [paragraphs](#Paragraphs),
 - [table cells](#Table_Cells),
- [table rows](#Table_Rows), which can only contain table cell
-  objects,
+- [table rows](#Table_Rows), which can only contain table cell objects,
 - [verse blocks](#Blocks).

-Most objects cannot contain objects. Those which can will be
-specified.
+Most objects cannot contain objects. Those which can will be specified.

 <a id="Entities_and_LaTeX_Fragments"></a>

@ -589,8 +576,8 @@ An entity follows the pattern:
 where NAME has a valid association in either `org-entities` or
 `org-entities-user`.

-POST is the end of line, &ldquo;{}&rdquo; string, or a non-alphabetical
-character. It isn&rsquo;t separated from NAME by a whitespace character.
+POST is the end of line, `{}` string, or a non-alphabetical character. It isn't
+separated from NAME by a whitespace character.

 A LaTeX fragment can follow multiple patterns:

@ -601,48 +588,43 @@ A LaTeX fragment can follow multiple patterns:
    PRE$CHAR$POST
    PRE$BORDER1 BODY BORDER2$POST

-NAME contains alphabetical characters only and must not have an
-association in either `org-entities` or `org-entities-user`.
+NAME contains alphabetical characters only and must not have an association in
+either **org-entities** or **org-entities-user**.

-BRACKETS is optional, and is not separated from NAME with white
-spaces. It may contain any number of the following patterns:
+BRACKETS is optional, and is not separated from NAME with white spaces. It may
+contain any number of the following patterns:

    [CONTENTS1]
    {CONTENTS2}

-where CONTENTS1 can contain any characters excepted &ldquo;{&rdquo; &ldquo;}&rdquo;, &ldquo;[&rdquo;
-&ldquo;]&rdquo; and newline and CONTENTS2 can contain any character excepted
-&ldquo;{&rdquo;, &ldquo;}&rdquo; and newline.
+where CONTENTS1 can contain any characters excepted `{` `}`, `[` `]` and newline
+and CONTENTS2 can contain any character excepted `{`, `}` and newline.

-CONTENTS can contain any character but cannot contain &ldquo;\\)&rdquo; in the
-second template or &ldquo;\\]&rdquo; in the third one.
+CONTENTS can contain any character but cannot contain `\\)` in the second
+template or `\\]` in the third one.

-PRE is either the beginning of line or a character different from
-`$`.
+PRE is either the beginning of line or a character different from `$`.

-CHAR is a non-whitespace character different from `.`, `,`, `?`,
-`;`, `'` or a double quote.
+CHAR is a non-whitespace character different from `.`, `,`, `?`, `;`, `'` or a
+double quote.

-POST is any punctuation (including parentheses and quotes) or space
-character, or the end of line.
+POST is any punctuation (including parentheses and quotes) or space character,
+or the end of line.

-BORDER1 is a non-whitespace character different from `.`, `,`, `;`
-and `$`.
+BORDER1 is a non-whitespace character different from `.`, `,`, `;` and `$`.

-BODY can contain any character excepted `$`, and may not span over
-more than 3 lines.
+BODY can contain any character excepted `$`, and may not span over more than 3
+lines.

-BORDER2 is any non-whitespace character different from `,`, `.` and
-`$`.
+BORDER2 is any non-whitespace character different from `,`, `.` and `$`.

 ---

-> It would introduce incompatibilities with previous Org versions,
-> but support for `$...$` (and for symmetry, `$$...$$`) constructs
-> ought to be removed.
+> It would introduce incompatibilities with previous Org versions, but support
+> for `$...$` (and for symmetry, `$$...$$`) constructs ought to be removed.
 >
-> They are slow to parse, fragile, redundant and imply false
-> positives. &#x2014; ngz
+> They are slow to parse, fragile, redundant and imply false positives. &#x2014;
+> ngz

 <a id="Export_Snippets"></a>

@ -654,7 +636,7 @@ Patter for export snippets is:

 NAME can contain any alpha-numeric character and hyphens.

-VALUE can contain anything but &ldquo;@@&rdquo; string.
+VALUE can contain anything but `@@` string.

 <a id="Footnote_References"></a>

@ -666,16 +648,15 @@ There are four patterns for footnote references:
    [fn:LABEL:DEFINITION]
    [fn::DEFINITION]

-LABEL can contain any word constituent character, hyphens and
-underscores.
+LABEL can contain any word constituent character, hyphens and underscores.

-DEFINITION can contain any character. Though opening and closing
-square brackets must be balanced in it. It can contain any object
-encountered in a paragraph, even other footnote references.
+DEFINITION can contain any character. Though opening and closing square brackets
+must be balanced in it. It can contain any object encountered in a paragraph,
+even other footnote references.

-If the reference follows the second pattern, it is called an
-&ldquo;inline footnote&rdquo;. If it follows the third one, i.e. if LABEL is
-omitted, it is an &ldquo;anonymous footnote&rdquo;.
+If the reference follows the second pattern, it is called an **inline
+footnote**. If it follows the third one, i.e. if LABEL is omitted, it is an
+**anonymous footnote**.

 <a id="Inline_Babel_Calls_and_Source_Blocks"></a>

@ -686,11 +667,11 @@ Inline Babel calls follow any of the following patterns:
    call_NAME(ARGUMENTS)
    call_NAME[HEADER](ARGUMENTS)[HEADER]

-NAME can contain any character besides `(`, `)` and &ldquo;\n&rdquo;.
+NAME can contain any character besides `(`, `)` and `\n`.

-HEADER can contain any character besides `]` and &ldquo;\n&rdquo;.
+HEADER can contain any character besides `]` and `\n`.

-ARGUMENTS can contain any character besides `)` and &ldquo;\n&rdquo;.
+ARGUMENTS can contain any character besides `)` and `\n`.

 Inline source blocks follow any of the following patterns:

@ -699,14 +680,14 @@ Inline source blocks follow any of the following patterns:

 LANG can contain any non-whitespace character.

-OPTIONS and BODY can contain any character but &ldquo;\n&rdquo;.
+OPTIONS and BODY can contain any character but `\n`.

 <a id="Line_Breaks"></a>

 ## Line Breaks

-A line break consists in &ldquo;\\\SPACE&rdquo; pattern at the end of an
-otherwise non-empty line.
+A line break consists in `\\\SPACE` pattern at the end of an otherwise non-empty
+line.

 SPACE can contain any number of tabs and spaces, including 0.

@ -723,25 +704,27 @@ There are 4 major types of links:

 PRE1 and POST1, when they exist, are non alphanumeric characters.

-RADIO is a string matched by some [radio target](#Targets_and_Radio_Targets). It may contain
-[entities](#Entities_and_LaTeX_Fragments), [latex fragments](#Entities_and_LaTeX_Fragments), [subscript](#Subscript_and_Superscript) and [superscript](#Subscript_and_Superscript).
+RADIO is a string matched by some [radio target](#Targets_and_Radio_Targets). It
+may contain [entities](#Entities_and_LaTeX_Fragments), [latex
+fragments](#Entities_and_LaTeX_Fragments),
+[subscript](#Subscript_and_Superscript) and
+[superscript](#Subscript_and_Superscript).

 PROTOCOL is a string among `org-link-types`.

 PATH can contain any character but `]`, `<`, `>` and `\n`.

-PRE2 and POST2, when they exist, are non word constituent
-characters.
+PRE2 and POST2, when they exist, are non word constituent characters.

-PATH2 can contain any non-whitespace character excepted `(`, `)`,
-`<` and `>`. It must end with a word-constituent character, or any
-non-whitespace non-punctuation character followed by `/`.
+PATH2 can contain any non-whitespace character excepted `(`, `)`, `<` and `>`.
+It must end with a word-constituent character, or any non-whitespace
+non-punctuation character followed by `/`.

-DESCRIPTION must be enclosed within square brackets. It can
-contain any character but square brackets. It can contain any
-object found in a paragraph excepted a [footnote reference](#Footnote_References), a [radio
-target](#Targets_and_Radio_Targets) and a [line break](#Line_Breaks). It cannot contain another link either,
-unless it is a plain or angular link.
+DESCRIPTION must be enclosed within square brackets. It can contain any
+character but square brackets. It can contain any object found in a paragraph
+excepted a [footnote reference](#Footnote_References), a [radio
+target](#Targets_and_Radio_Targets) and a [line break](#Line_Breaks). It cannot
+contain another link either, unless it is a plain or angular link.

 DESCRIPTION is optional.

@ -761,8 +744,8 @@ PATH4 can contain any character besides square brackets.

 ID is constituted of hexadecimal numbers separated with hyphens.

-PATH4, CUSTOM-ID, CODEREF and FUZZY can contain any character
-besides square brackets.
+PATH4, CUSTOM-ID, CODEREF and FUZZY can contain any character besides square
+brackets.

 <a id="Macros"></a>

@ -772,12 +755,12 @@ Macros follow the pattern:

    {{{NAME(ARGUMENTS)}}}

-NAME must start with a letter and can be followed by any number of
-alpha-numeric characters, hyphens and underscores.
+NAME must start with a letter and can be followed by any number of alpha-numeric
+characters, hyphens and underscores.

-ARGUMENTS can contain anything but &ldquo;}}}&rdquo; string. Values within
-ARGUMENTS are separated by commas. Non-separating commas have to
-be escaped with a backslash character.
+ARGUMENTS can contain anything but `}}}` string. Values within ARGUMENTS are
+separated by commas. Non-separating commas have to be escaped with a backslash
+character.

 <a id="Targets_and_Radio_Targets"></a>

@ -787,18 +770,19 @@ Radio targets follow the pattern:

    <<<CONTENTS>>>

-CONTENTS can be any character besides `<`, `>` and &ldquo;\n&rdquo;. It cannot
-start or end with a whitespace character. As far as objects go, it
-can contain [text markup](#Emphasis_Markers), [entities](#Entities_and_LaTeX_Fragments), [latex fragments](#Entities_and_LaTeX_Fragments), [subscript](#Subscript_and_Superscript) and
+CONTENTS can be any character besides `<`, `>` and `\n`. It cannot start or end
+with a whitespace character. As far as objects go, it can contain [text
+markup](#Emphasis_Markers), [entities](#Entities_and_LaTeX_Fragments), [latex
+fragments](#Entities_and_LaTeX_Fragments),
+[subscript](#Subscript_and_Superscript) and
 [superscript](#Subscript_and_Superscript) only.

 Targets follow the pattern:

    <<TARGET>>

-TARGET can contain any character besides `<`, `>` and &ldquo;\n&rdquo;. It
-cannot start or end with a whitespace character. It cannot contain
-any object.
+TARGET can contain any character besides `<`, `>` and `\n`. It cannot start or
+end with a whitespace character. It cannot contain any object.

 <a id="Statistics_Cookies"></a>

@ -825,9 +809,9 @@ Pattern for superscript is:

 CHAR is any non-whitespace character.

-SCRIPT can be `*` or an expression enclosed in parenthesis
-(respectively curly brackets), possibly containing balanced
-parenthesis (respectively curly brackets).
+SCRIPT can be `*` or an expression enclosed in parenthesis (respectively curly
+brackets), possibly containing balanced parenthesis (respectively curly
+brackets).

 SCRIPT can also follow the pattern:

@ -835,8 +819,8 @@ SCRIPT can also follow the pattern:

 SIGN is either a plus sign, a minus sign, or an empty string.

-CHARS is any number of alpha-numeric characters, commas,
-backslashes and dots, or an empty string.
+CHARS is any number of alpha-numeric characters, commas, backslashes and dots,
+or an empty string.

 FINAL is an alpha-numeric character.

@ -852,11 +836,10 @@ Table cells follow the pattern:

 CONTENTS can contain any character excepted a vertical bar.

-SPACES contains any number of space characters, including zero. It
-can be used to align properly the table.
+SPACES contains any number of space characters, including zero. It can be used
+to align properly the table.

-The final bar may be replaced with a newline character for the last
-cell in row.
+The final bar may be replaced with a newline character for the last cell in row.

 <a id="Timestamp"></a>

@ -878,29 +861,28 @@ DATE follows the pattern:

    YYYY-MM-DD DAYNAME

-`Y`, `M` and `D` are digits. DAYNAME can contain any non
-whitespace-character besides `+`, `-`, `]`, `>`, a digit or `\n`.
+`Y`, `M` and `D` are digits. DAYNAME can contain any non whitespace-character
+besides `+`, `-`, `]`, `>`, a digit or `\n`.

-TIME follows the pattern `H:MM`. `H` can be one or two digit long
-and can start with 0.
+TIME follows the pattern `H:MM`. `H` can be one or two digit long and can start
+with 0.

 REPEATER-OR-DELAY follows the pattern:

    MARK VALUE UNIT

-MARK is `+` (cumulate type), `++` (catch-up type) or `.+` (restart
-type) for a repeater, and `-` (all type) or `--` (first type) for
-warning delays.
+MARK is `+` (cumulate type), `++` (catch-up type) or `.+` (restart type) for a
+repeater, and `-` (all type) or `--` (first type) for warning delays.

 VALUE is a number.

-UNIT is a character among `h` (hour), `d` (day), `w` (week), `m`
-(month), `y` (year).
+UNIT is a character among `h` (hour), `d` (day), `w` (week), `m` (month), `y`
+(year).

 MARK, VALUE and UNIT are not separated by whitespace characters.

-There can be two REPEATER-OR-DELAY in the timestamp: one as
-a repeater and one as a warning delay.
+There can be two REPEATER-OR-DELAY in the timestamp: one as a repeater and one
+as a warning delay.

 <a id="Emphasis_Markers"></a>

@ -910,32 +892,30 @@ Text markup follows the pattern:

    PRE MARKER CONTENTS MARKER POST

-PRE is a whitespace character, `(`, `{` `'` or a double quote. It
-can also be a beginning of line.
+PRE is a whitespace character, `(`, `{` `'` or a double quote. It can also be a
+beginning of line.

-MARKER is a character among `*` (bold), `=` (verbatim), `/`
-(italic), `+` (strike-through), `_` (underline), `~` (code).
+MARKER is a character among `*` (bold), `=` (verbatim), `/` (italic), `+`
+(strike-through), `_` (underline), `~` (code).

 CONTENTS is a string following the pattern:

    BORDER BODY BORDER

-BORDER can be any non-whitespace character excepted `,`, `'` or
-a double quote.
+BORDER can be any non-whitespace character excepted `,`, `'` or a double quote.

-BODY can contain contain any character but may not span over more
-than 3 lines.
+BODY can contain contain any character but may not span over more than 3 lines.

 BORDER and BODY are not separated by whitespaces.

-CONTENTS can contain any object encountered in a paragraph when
-markup is &ldquo;bold&rdquo;, &ldquo;italic&rdquo;, &ldquo;strike-through&rdquo; or &ldquo;underline&rdquo;.
+CONTENTS can contain any object encountered in a paragraph when markup is
+**bold**, **italic**, **strike-through** or **underline**.

-POST is a whitespace character, `-`, `.`, `,`, `:`, `!`, `?`, `'`,
-`)`, `}` or a double quote. It can also be an end of line.
+POST is a whitespace character, `-`, `.`, `,`, `:`, `!`, `?`, `'`, `)`, `}` or a
+double quote. It can also be an end of line.

-PRE, MARKER, CONTENTS, MARKER and POST are not separated by
-whitespace characters.
+PRE, MARKER, CONTENTS, MARKER and POST are not separated by whitespace
+characters.

 ---

@ -944,19 +924,19 @@ whitespace characters.
 >
 > This should really be simplified.
 >
-> Also, CONTENTS should be anything within code and verbatim
-> emphasis, by definition. &#x2014; ngz
+> Also, CONTENTS should be anything within code and verbatim emphasis, by
+> definition. &#x2014; ngz

 # Footnotes

-<sup><a id="fn.1" href="#fnr.1">1</a></sup> In particular, the parser requires stars at column 0 to be
-quoted by a comma when they do not define a headline.
+<sup><a id="fn.1" href="#fnr.1">1</a></sup> In particular, the parser requires
+stars at column 0 to be quoted by a comma when they do not define a headline.

-<sup><a id="fn.2" href="#fnr.2">2</a></sup> It also means that only headlines and sections can be
-recognized just by looking at the beginning of the line. Planning
-lines and property drawers can be recognized by looking at one or two
+<sup><a id="fn.2" href="#fnr.2">2</a></sup> It also means that only headlines
+and sections can be recognized just by looking at the beginning of the line.
+Planning lines and property drawers can be recognized by looking at one or two
 lines above.

-As a consequence, using `org-element-at-point` or
-`org-element-context` will move up to the parent headline, and parse
-top-down from there until context around original location is found.
+As a consequence, using `org-element-at-point` or `org-element-context` will
+move up to the parent headline, and parse top-down from there until context
+around original location is found.
--- a/src/elements/mod.rs
+++ b/src/elements/mod.rs
@ -50,7 +50,7 @@ pub use self::{
    table::{Table, TableCell, TableRow},
    target::Target,
    timestamp::{Datetime, Timestamp},
-    title::Title,
+    title::{PropertiesMap, Title},
 };

 use std::borrow::Cow;
--- a/src/elements/title.rs
+++ b/src/elements/title.rs
@ -1,7 +1,7 @@
 //! Headline Title

-use std::borrow::Cow;
 use std::collections::HashMap;
+use std::{borrow::Cow, iter::FromIterator};

 use memchr::memrchr2;
 use nom::{
@ -43,8 +43,11 @@ pub struct Title<'a> {
    #[cfg_attr(feature = "ser", serde(skip_serializing_if = "Option::is_none"))]
    pub planning: Option<Box<Planning<'a>>>,
    /// Property drawer associated to this headline
-    #[cfg_attr(feature = "ser", serde(skip_serializing_if = "HashMap::is_empty"))]
-    pub properties: HashMap<Cow<'a, str>, Cow<'a, str>>,
+    #[cfg_attr(
+        feature = "ser",
+        serde(skip_serializing_if = "PropertiesMap::is_empty")
+    )]
+    pub properties: PropertiesMap<'a>,
    /// Numbers of blank lines between last title's line and next non-blank line
    /// or buffer's end
    pub post_blank: usize,
@ -99,11 +102,7 @@ impl Title<'_> {
            keyword: self.keyword.map(Into::into).map(Cow::Owned),
            raw: self.raw.into_owned().into(),
            planning: self.planning.map(|p| Box::new(p.into_owned())),
-            properties: self
-                .properties
-                .into_iter()
-                .map(|(k, v)| (k.into_owned().into(), v.into_owned().into()))
-                .collect(),
+            properties: self.properties.into_owned(),
            post_blank: self.post_blank,
        }
    }
@ -118,12 +117,66 @@ impl Default for Title<'_> {
            keyword: None,
            raw: Cow::Borrowed(""),
            planning: None,
-            properties: HashMap::new(),
+            properties: PropertiesMap::new(),
            post_blank: 0,
        }
    }
 }

+/// Properties
+#[derive(Default, Debug, Clone)]
+#[cfg_attr(test, derive(PartialEq))]
+#[cfg_attr(feature = "ser", derive(serde::Serialize))]
+pub struct PropertiesMap<'a> {
+    pub pairs: Vec<(Cow<'a, str>, Cow<'a, str>)>,
+}
+
+impl<'a> PropertiesMap<'a> {
+    pub fn new() -> Self {
+        PropertiesMap { pairs: Vec::new() }
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.pairs.is_empty()
+    }
+
+    pub fn iter(&self) -> impl Iterator<Item = &(Cow<'a, str>, Cow<'a, str>)> {
+        self.pairs.iter()
+    }
+
+    pub fn iter_mut(&mut self) -> impl Iterator<Item = &mut (Cow<'a, str>, Cow<'a, str>)> {
+        self.pairs.iter_mut()
+    }
+
+    pub fn into_iter(self) -> impl Iterator<Item = (Cow<'a, str>, Cow<'a, str>)> {
+        self.pairs.into_iter()
+    }
+
+    pub fn into_hash_map(self) -> HashMap<Cow<'a, str>, Cow<'a, str>> {
+        self.pairs.into_iter().collect()
+    }
+
+    #[cfg(feature = "indexmap")]
+    pub fn into_index_map(self) -> indexmap::IndexMap<Cow<'a, str>, Cow<'a, str>> {
+        self.pairs.into_iter().collect()
+    }
+
+    pub fn into_owned(self) -> PropertiesMap<'static> {
+        self.pairs
+            .into_iter()
+            .map(|(k, v)| (k.into_owned().into(), v.into_owned().into()))
+            .collect()
+    }
+}
+
+impl<'a> FromIterator<(Cow<'a, str>, Cow<'a, str>)> for PropertiesMap<'a> {
+    fn from_iter<T: IntoIterator<Item = (Cow<'a, str>, Cow<'a, str>)>>(iter: T) -> Self {
+        let mut map = PropertiesMap::new();
+        map.pairs.extend(iter);
+        map
+    }
+}
+
 fn white_spaces_or_eol(input: &str) -> IResult<&str, &str, ()> {
    alt((space1, line_ending))(input)
 }
@ -204,16 +257,16 @@ fn is_tag_line(input: &str) -> bool {
 }

 #[inline]
-fn parse_properties_drawer(input: &str) -> IResult<&str, HashMap<Cow<'_, str>, Cow<'_, str>>, ()> {
+fn parse_properties_drawer(input: &str) -> IResult<&str, PropertiesMap<'_>, ()> {
    let (input, (drawer, content)) = parse_drawer_without_blank(input.trim_start())?;
    if drawer.name != "PROPERTIES" {
        return Err(Err::Error(make_error(input, ErrorKind::Tag)));
    }
    let (_, map) = fold_many0(
        parse_node_property,
-        HashMap::new(),
-        |mut acc: HashMap<_, _>, (name, value)| {
-            acc.insert(name.into(), value.into());
+        PropertiesMap::new,
+        |mut acc: PropertiesMap, (name, value)| {
+            acc.pairs.push((name.into(), value.into()));
            acc
        },
    )(content)?;
@ -247,7 +300,7 @@ fn parse_title_() {
                    raw: "COMMENT Title".into(),
                    tags: vec!["tag".into(), "a2%".into()],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "COMMENT Title"
@ -266,7 +319,7 @@ fn parse_title_() {
                    raw: "ToDO [#A] COMMENT Title".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "ToDO [#A] COMMENT Title"
@ -285,7 +338,7 @@ fn parse_title_() {
                    raw: "T0DO [#A] COMMENT Title".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "T0DO [#A] COMMENT Title"
@ -304,7 +357,7 @@ fn parse_title_() {
                    raw: "[#1] COMMENT Title".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "[#1] COMMENT Title"
@ -323,7 +376,7 @@ fn parse_title_() {
                    raw: "[#a] COMMENT Title".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "[#a] COMMENT Title"
@ -344,7 +397,7 @@ fn parse_title_() {
                    raw: "[#B]::".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "[#B]::"
@ -364,7 +417,7 @@ fn parse_title_() {
                    raw: "Title :tag:a2%".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "Title :tag:a2%"
@ -383,7 +436,7 @@ fn parse_title_() {
                    raw: "Title tag:a2%:".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "Title tag:a2%:"
@ -409,7 +462,7 @@ fn parse_title_() {
                    raw: "DONE Title".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "DONE Title"
@ -434,7 +487,7 @@ fn parse_title_() {
                    raw: "Title".into(),
                    tags: vec![],
                    planning: None,
-                    properties: HashMap::new(),
+                    properties: PropertiesMap::new(),
                    post_blank: 0,
                },
                "Title"
@ -451,7 +504,48 @@ fn parse_properties_drawer_() {
            "",
            vec![("CUSTOM_ID".into(), "id".into())]
                .into_iter()
-                .collect::<HashMap<_, _>>()
+                .collect::<PropertiesMap>()
        ))
    )
 }
+
+#[test]
+#[cfg(feature = "indexmap")]
+fn preserve_properties_drawer_order() {
+    let mut vec = Vec::default();
+    // Use a large number of properties to reduce false pass rate, since HashMap
+    // is non-deterministic. There are roughly 10^18 possible derangements of this sequence.
+    for i in 0..20 {
+        // Avoid alphabetic or numeric order.
+        let j = (i + 7) % 20;
+        vec.push((
+            Cow::Owned(format!(
+                "{}{}",
+                if i % 3 == 0 {
+                    "FOO"
+                } else if i % 3 == 1 {
+                    "QUX"
+                } else {
+                    "BAR"
+                },
+                j
+            )),
+            Cow::Owned(i.to_string()),
+        ));
+    }
+
+    let mut s = String::default();
+
+    for (k, v) in &vec {
+        s += &format!("   :{}: {}\n", k, v);
+    }
+
+    let drawer = format!("   :PROPERTIES:\n{}:END:\n", &s);
+
+    let map = parse_properties_drawer(&drawer).unwrap().1.into_index_map();
+
+    // indexmap should be in the same order as vector
+    for (left, right) in vec.iter().zip(map) {
+        assert_eq!(left, &right);
+    }
+}
--- a/src/export/org.rs
+++ b/src/export/org.rs
@ -269,7 +269,7 @@ impl OrgHandler<Error> for DefaultOrgHandler {
                }
                if !title.properties.is_empty() {
                    writeln!(&mut w, ":PROPERTIES:")?;
-                    for (key, value) in &title.properties {
+                    for (key, value) in title.properties.iter() {
                        writeln!(&mut w, ":{}: {}", key, value)?;
                    }
                    writeln!(&mut w, ":END:")?;
--- a/src/lib.rs
+++ b/src/lib.rs
@ -240,3 +240,6 @@ pub use elements::Element;
 pub use headline::{Document, Headline};
 pub use org::{Event, Org};
 pub use validate::ValidationError;
+
+#[cfg(feature = "wasm")]
+mod wasm;
--- a/src/validate.rs
+++ b/src/validate.rs
@ -83,11 +83,7 @@ impl Org<'_> {
                    }

                    for child in children {
-                        expect_element!(
-                            child,
-                            "Headline",
-                            Element::Headline { .. }
-                        );
+                        expect_element!(child, "Headline", Element::Headline { .. });
                    }
                }
                Element::Headline { .. } => {
@ -107,11 +103,7 @@ impl Org<'_> {
                    }

                    for child in children {
-                        expect_element!(
-                            child,
-                            "Headline",
-                            Element::Headline { .. }
-                        );
+                        expect_element!(child, "Headline", Element::Headline { .. });
                    }
                }
                Element::Title(title) => {
--- a/src/wasm/mod.rs
+++ b/src/wasm/mod.rs
@ -0,0 +1,189 @@
+#[global_allocator]
+static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
+
+use serde::Serialize;
+use serde_wasm_bindgen::Serializer;
+use wasm_bindgen::prelude::*;
+
+use crate::{Element, Event};
+
+#[wasm_bindgen]
+pub struct Org(crate::Org<'static>);
+
+#[wasm_bindgen]
+impl Org {
+    #[wasm_bindgen]
+    pub fn parse(input: String) -> Self {
+        Org(crate::Org::parse_string(input))
+    }
+
+    #[wasm_bindgen(js_name = toJson)]
+    pub fn to_json(&self) -> JsValue {
+        to_value(&self.0)
+    }
+}
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(skip_typescript)]
+    pub type Handler;
+
+    #[wasm_bindgen(method)]
+    pub fn text(this: &Handler, text: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn code(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn cookie(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn rule(this: &Handler);
+    #[wasm_bindgen(method, js_name = exampleBlock)]
+    pub fn example_block(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = exportBlock)]
+    pub fn export_block(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = sourceBlock)]
+    pub fn source_block(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = inlineSrc)]
+    pub fn inline_src(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn link(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn snippet(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn timestamp(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn verbatim(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn fixedWidth(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method)]
+    pub fn keyword(this: &Handler, item: JsValue);
+
+    #[wasm_bindgen(method, js_name = listStart)]
+    pub fn list_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = listEnd)]
+    pub fn list_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = tableStart)]
+    pub fn table_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = tableEnd)]
+    pub fn table_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = tableRowStart)]
+    pub fn table_row_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = tableRowEnd)]
+    pub fn table_row_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = tableCellStart)]
+    pub fn table_cell_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = tableCellEnd)]
+    pub fn table_cell_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = titleStart)]
+    pub fn title_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = titleEnd)]
+    pub fn title_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = boldStart)]
+    pub fn bold_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = boldEnd)]
+    pub fn bold_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = centerBlockStart)]
+    pub fn center_block_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = centerBlockEnd)]
+    pub fn center_block_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = documentStart)]
+    pub fn document_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = documentEnd)]
+    pub fn document_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = italicStart)]
+    pub fn italic_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = italicEnd)]
+    pub fn italic_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = listItemStart)]
+    pub fn list_item_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = listItemEnd)]
+    pub fn list_item_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = paragraphStart)]
+    pub fn paragraph_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = paragraphEnd)]
+    pub fn paragraph_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = quoteBlockStart)]
+    pub fn quote_block_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = quoteBlockEnd)]
+    pub fn quote_block_end(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = sectionStart)]
+    pub fn section_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = sectionEnd)]
+    pub fn section_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = strikeStart)]
+    pub fn strike_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = strikeEnd)]
+    pub fn strike_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = underlineStart)]
+    pub fn underline_start(this: &Handler);
+    #[wasm_bindgen(method, js_name = underlineEnd)]
+    pub fn underline_end(this: &Handler);
+    #[wasm_bindgen(method, js_name = verseBlockStart)]
+    pub fn verse_block_start(this: &Handler, item: JsValue);
+    #[wasm_bindgen(method, js_name = verseBlockEnd)]
+    pub fn verse_block_end(this: &Handler, item: JsValue);
+}
+
+#[wasm_bindgen]
+pub fn handle(org: &Org, handler: Handler) {
+    for event in org.0.iter() {
+        use Element::*;
+
+        match event {
+            Event::Start(Text { value }) => handler.text(JsValue::from_str(value)),
+            Event::Start(ExampleBlock(block)) => handler.example_block(to_value(block)),
+            Event::Start(ExportBlock(block)) => handler.export_block(to_value(block)),
+            Event::Start(SourceBlock(block)) => handler.source_block(to_value(block)),
+            Event::Start(InlineSrc(src)) => handler.inline_src(to_value(src)),
+            Event::Start(Code { value }) => handler.code(JsValue::from_str(value)),
+            Event::Start(Link(link)) => handler.link(to_value(link)),
+            Event::Start(Snippet(snippet)) => handler.snippet(to_value(snippet)),
+            Event::Start(Timestamp(timestamp)) => handler.timestamp(to_value(timestamp)),
+            Event::Start(Verbatim { value }) => handler.verbatim(JsValue::from_str(value)),
+            Event::Start(FixedWidth(fixed_width)) => handler.fixedWidth(to_value(fixed_width)),
+            Event::Start(Rule(_)) => handler.rule(),
+            Event::Start(Cookie(cookie)) => handler.cookie(to_value(cookie)),
+            Event::Start(Keyword(keyword)) => handler.keyword(to_value(keyword)),
+
+            Event::Start(Table(table)) => handler.table_start(to_value(table)),
+            Event::End(Table(table)) => handler.table_start(to_value(table)),
+            Event::Start(TableRow(row)) => handler.table_row_start(to_value(row)),
+            Event::End(TableRow(row)) => handler.table_row_start(to_value(row)),
+            Event::Start(TableCell(cell)) => handler.table_cell_start(to_value(cell)),
+            Event::End(TableCell(cell)) => handler.table_cell_start(to_value(cell)),
+            Event::Start(Title(title)) => handler.title_start(to_value(title)),
+            Event::End(Title(title)) => handler.title_end(to_value(title)),
+            Event::Start(QuoteBlock(block)) => handler.quote_block_start(to_value(block)),
+            Event::End(QuoteBlock(block)) => handler.quote_block_end(to_value(block)),
+            Event::Start(CenterBlock(block)) => handler.center_block_start(to_value(block)),
+            Event::End(CenterBlock(block)) => handler.center_block_end(to_value(block)),
+            Event::Start(VerseBlock(block)) => handler.verse_block_start(to_value(block)),
+            Event::End(VerseBlock(block)) => handler.verse_block_end(to_value(block)),
+            Event::Start(Bold) => handler.bold_start(),
+            Event::End(Bold) => handler.bold_end(),
+            Event::Start(Document { .. }) => handler.document_start(),
+            Event::End(Document { .. }) => handler.document_end(),
+            Event::Start(List(list)) => handler.list_start(to_value(list)),
+            Event::End(List(list)) => handler.list_end(to_value(list)),
+            Event::Start(Italic) => handler.italic_start(),
+            Event::End(Italic) => handler.italic_end(),
+            Event::Start(ListItem(_)) => handler.list_item_start(),
+            Event::End(ListItem(_)) => handler.list_item_end(),
+            Event::Start(Paragraph { .. }) => handler.paragraph_start(),
+            Event::End(Paragraph { .. }) => handler.paragraph_end(),
+            Event::Start(Section) => handler.section_start(),
+            Event::End(Section) => handler.section_end(),
+            Event::Start(Strike) => handler.strike_start(),
+            Event::End(Strike) => handler.strike_end(),
+            Event::Start(Underline) => handler.underline_start(),
+            Event::End(Underline) => handler.underline_end(),
+
+            _ => continue,
+        };
+    }
+}
+
+pub fn to_value<T: Serialize + ?Sized>(value: &T) -> JsValue {
+    value
+        .serialize(&Serializer::new().serialize_maps_as_objects(true))
+        .unwrap()
+}
--- a/wasm/.gitignore
+++ b/wasm/.gitignore
@ -0,0 +1,6 @@
+/lib
+/node_modules
+/out-tsc
+/package
+/pkg
+*.tgz
--- a/wasm/README.md
+++ b/wasm/README.md
@ -0,0 +1,41 @@
+# orgize
+
+![npm](https://img.shields.io/npm/v/orgize)
+
+## Quick start
+
+Install the package:
+
+```sh
+npm install orgize
+yarn add orgize
+```
+
+Load the wasm module and init:
+
+### Browser
+
+```js
+import { init, renderHtml } from "orgize";
+
+init().then(() => {
+  console.log(renderHtml("* Hello, /world/!"));
+});
+```
+
+### Node.js
+
+```js
+const { init, renderHtml } = require("orgize");
+const { readFile } = require("fs/promises");
+
+readFile(require.resolve("orgize/lib/orgize_bg.wasm"))
+  .then((bytes) => init(new WebAssembly.Module(bytes)))
+  .then(() => {
+    console.log(renderHtml("* Hello, /world/!"));
+  });
+```
+
+## License
+
+MIT
--- a/wasm/index.html
+++ b/wasm/index.html
@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <title>Orgize wasm demo</title>
+    <meta charset="UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <script defer src="https://unpkg.com/alpinejs@3/dist/cdn.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.14.0/beautify-html.js"></script>
+
+    <script src="./orgize.umd.js"></script>
+    <style>
+      h3 {
+        margin: 0;
+      }
+
+      body > * {
+        margin-bottom: 16px;
+      }
+    </style>
+  </head>
+  <body
+    x-data="{ loaded: false, org: '* Hello, /world/!', type: 'json' }"
+    x-init="orgize.init('./orgize_bg.wasm').then(() => loaded = true)"
+  >
+    <h2>Orgize wasm demo</h2>
+
+    <div>
+      <a href="https://github.com/PoiScript/orgize">GitHub</a>
+      <a href="https://www.npmjs.com/package/orgize">NPM</a>
+      <a href="https://crates.io/crates/orgize">crates.io</a>
+    </div>
+
+    <div>Input:</div>
+
+    <textarea
+      x-model="org"
+      style="width: 100%; height: 100px; margin-bottom: 16px"
+    ></textarea>
+
+    <div>Type:</div>
+
+    <div>
+      <button @click="type = 'json'">JSON</button>
+      <button @click="type = 'html'">HTML</button>
+      <button @click="type = 'html-rendered'">HTML (Rendered)</button>
+    </div>
+
+    <div>Output:</div>
+
+    <noscript>
+      <p style="color: red">JavaScript is required.</p>
+    </noscript>
+
+    <pre
+      x-show="type === 'json'"
+      x-transition
+      x-text="loaded ? JSON.stringify(orgize.Org.parse(org).toJson(), null, 2) : 'Loading...'"
+    ></pre>
+    <pre
+      x-show="type === 'html'"
+      x-transition
+      x-text="loaded ? html_beautify(orgize.renderHtml(org), { indent_size: 2 }) : 'Loading...'"
+    ></pre>
+    <div
+      x-show="type === 'html-rendered'"
+      x-transition
+      x-html="loaded ? orgize.renderHtml(org) : 'Loading...'"
+    ></div>
+  </body>
+</html>
--- a/wasm/package.json
+++ b/wasm/package.json
@ -0,0 +1,27 @@
+{
+  "name": "orgize",
+  "version": "0.0.3",
+  "license": "MIT",
+  "author": "PoiScript <poiscript@gmail.com>",
+  "main": "lib/orgize.umd.js",
+  "module": "lib/orgize.es.js",
+  "typings": "lib/orgize.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/PoiScript/orgize"
+  },
+  "scripts": {
+    "prebuild": "rm -rf out-tsc/ lib/",
+    "build": "tsc && rollup -c rollup.js && cp pkg/orgize_bg.wasm lib/"
+  },
+  "devDependencies": {
+    "rollup": "^2.56.3",
+    "rollup-plugin-copy": "^3.4.0",
+    "rollup-plugin-dts": "^4.0.0",
+    "typescript": "^4.4.2"
+  },
+  "files": [
+    "lib",
+    "README.md"
+  ]
+}
--- a/wasm/rollup.js
+++ b/wasm/rollup.js
@ -0,0 +1,31 @@
+import dts from "rollup-plugin-dts";
+import copy from "rollup-plugin-copy";
+
+export default [
+  {
+    input: "./out-tsc/index.d.ts",
+    output: {
+      file: "./lib/orgize.d.ts",
+    },
+    plugins: [dts()],
+  },
+  {
+    input: "./out-tsc/index.js",
+    output: [
+      {
+        file: "./lib/orgize.es.js",
+        format: "es",
+      },
+      {
+        name: "orgize",
+        file: "./lib/orgize.umd.js",
+        format: "umd",
+      },
+    ],
+    plugins: [
+      copy({
+        targets: [{ src: "index.html", dest: "lib" }],
+      }),
+    ],
+  },
+];
--- a/wasm/src/handler.ts
+++ b/wasm/src/handler.ts
@ -0,0 +1,102 @@
+export class Handler {
+  text(_text: string) {}
+  code(_item: string) {}
+  cookie(_item: Cookie) {}
+  rule() {}
+  exampleBlock(_item: Block) {}
+  exportBlock(_item: Block) {}
+  sourceBlock(_item: SourceBlock) {}
+  inlineSrc(_item: InlineSrc) {}
+  link(_item: Link) {}
+  snippet(_item: Snippet) {}
+  timestamp(_item: any) {}
+  verbatim(_item: string) {}
+  fixedWidth(_item: FixedWidth) {}
+  listStart(_item: List) {}
+  listEnd(_item: List) {}
+  tableStart(_item: any) {}
+  tableEnd(_item: any) {}
+  tableRowStart(_item: any) {}
+  tableRowEnd(_item: any) {}
+  tableCellStart(_item: any) {}
+  tableCellEnd(_item: any) {}
+  titleStart(_item: Title) {}
+  titleEnd(_item: Title) {}
+  boldStart() {}
+  boldEnd() {}
+  centerBlockStart(_item: any) {}
+  centerBlockEnd(_item: any) {}
+  documentStart() {}
+  documentEnd() {}
+  italicStart() {}
+  italicEnd() {}
+  listItemStart() {}
+  listItemEnd() {}
+  paragraphStart() {}
+  paragraphEnd() {}
+  quoteBlockStart(_item: any) {}
+  quoteBlockEnd(_item: any) {}
+  sectionStart() {}
+  sectionEnd() {}
+  strikeStart() {}
+  strikeEnd() {}
+  underlineStart() {}
+  underlineEnd() {}
+  verseBlockStart(_item: any) {}
+  verseBlockEnd(_item: any) {}
+  keyword(_item: Keyword) {}
+}
+
+export type Title = {
+  level: number;
+  priority?: string;
+  tags?: string[];
+  keyword?: string;
+  raw: string;
+  properties?: { [key: string]: string };
+  post_blank: number;
+};
+
+export type List = {
+  ordered: boolean;
+};
+
+export type Block = {
+  contents: string;
+};
+
+export type InlineSrc = {
+  lang: string;
+  body: string;
+};
+
+export type Link = {
+  path: string;
+  desc?: string;
+};
+
+export type FixedWidth = {
+  value: string;
+};
+
+export type Cookie = {
+  value: string;
+};
+
+export type SourceBlock = {
+  contents: string;
+  language: string;
+  arguments: string;
+  post_blank: number;
+};
+
+export type Keyword = {
+  key: string;
+  optional?: string;
+  value: string;
+};
+
+export type Snippet = {
+  name: string;
+  value: string;
+};
--- a/wasm/src/html.ts
+++ b/wasm/src/html.ts
@ -0,0 +1,160 @@
+import {
+  Block,
+  Cookie,
+  FixedWidth,
+  Handler,
+  InlineSrc,
+  Link,
+  List,
+  Snippet,
+  Title,
+} from "./handler";
+
+const tags: { [tag: string]: string } = {
+  "&": "&amp;",
+  "<": "&lt;",
+  ">": "&gt;",
+  '"': "&quot;",
+  "'": "&apos;",
+};
+
+const replaceTags = (tag: string): string => tags[tag];
+
+export const escapeHtml = (str: string): string =>
+  str.replace(/[&<>"']/g, replaceTags);
+
+export class HtmlHandler extends Handler {
+  result: string;
+
+  constructor(result: string = "") {
+    super();
+    this.result = result;
+  }
+
+  static escape(): string {
+    return "";
+  }
+
+  quoteBlockStart() {
+    this.result += "<blockquote>";
+  }
+  quoteBlockEnd() {
+    this.result += "</blockquote>";
+  }
+  centerBlockStart() {
+    this.result += '<div class="center">';
+  }
+  centerBlockEnd() {
+    this.result += "</div>";
+  }
+  verseBlockStart() {
+    this.result += '<p class="verse">';
+  }
+  verseBlockEnd() {
+    this.result += "</p>";
+  }
+  boldStart() {
+    this.result += "<b>";
+  }
+  boldEnd() {
+    this.result += "</b>";
+  }
+  documentStart() {
+    this.result += "<main>";
+  }
+  documentEnd() {
+    this.result += "</main>";
+  }
+
+  listStart(list: List) {
+    this.result += `<${list.ordered ? "o" : "u"}l>`;
+  }
+  listEnd(list: List) {
+    this.result += `</${list.ordered ? "o" : "u"}l>`;
+  }
+
+  italicStart() {
+    this.result += "<i>";
+  }
+  italicEnd() {
+    this.result += "</i>";
+  }
+  listItemStart() {
+    this.result += "<li>";
+  }
+  listItemEnd() {
+    this.result += "</li>";
+  }
+  paragraphStart() {
+    this.result += "<p>";
+  }
+  paragraphEnd() {
+    this.result += "</p>";
+  }
+  sectionStart() {
+    this.result += "<section>";
+  }
+  sectionEnd() {
+    this.result += "</section>";
+  }
+  strikeStart() {
+    this.result += "<s>";
+  }
+  strikeEnd() {
+    this.result += "</s>";
+  }
+  underlineStart() {
+    this.result += "<u>";
+  }
+  underlineEnd() {
+    this.result += "</u>";
+  }
+
+  exampleBlock(block: Block) {
+    this.result += `<pre class="example">${escapeHtml(block.contents)}</pre>`;
+  }
+
+  sourceBlock(block: Block) {
+    this.result += `<pre class="example">${escapeHtml(block.contents)}</pre>`;
+  }
+  inlineSrc(src: InlineSrc) {
+    this.result += `<code class="src src-${src.lang}">${escapeHtml(
+      src.body
+    )}</code>`;
+  }
+  code(value: string) {
+    this.result += `<code>${escapeHtml(value)}</code>`;
+  }
+  link(link: Link) {
+    this.result += `<a href="${link.path}">${escapeHtml(
+      link.desc || link.path
+    )}</a>`;
+  }
+  snippet(snippet: Snippet) {
+    if (snippet.name.toLowerCase() === "html") {
+      this.result += snippet.value;
+    }
+  }
+  text(value: string) {
+    this.result += escapeHtml(value);
+  }
+  verbatim(value: string) {
+    this.result += `<code>${escapeHtml(value)}</code>`;
+  }
+  fixedWidth(item: FixedWidth) {
+    this.result += `<pre class="example">${escapeHtml(item.value)}</pre>`;
+  }
+  rule() {
+    this.result += "<hr>";
+  }
+  cookie(cookie: Cookie) {
+    this.result += `<code>${escapeHtml(cookie.value)}</code>`;
+  }
+
+  titleStart(title: Title) {
+    this.result += `<h${Math.min(title.level, 6)}>`;
+  }
+  titleEnd(title: Title) {
+    this.result += `</h${Math.min(title.level, 6)}>`;
+  }
+}
--- a/wasm/src/index.ts
+++ b/wasm/src/index.ts
@ -0,0 +1,34 @@
+import init, {
+  handle as internalHandle,
+  InitInput,
+  InitOutput,
+  Org,
+} from "../pkg/orgize";
+import { Handler } from "./handler";
+import { HtmlHandler } from "./html";
+import { CollectKeywords } from "./keyword";
+
+export const handle = (org: Org | string, handler: Handler) => {
+  if (typeof org === "string") {
+    org = Org.parse(org);
+  }
+  internalHandle(org, handler);
+};
+
+export const renderHtml = (
+  org: Org | string,
+  handler: HtmlHandler = new HtmlHandler()
+): string => {
+  handle(org, handler);
+  return handler.result;
+};
+
+export const keywords = (org: Org | string): { [key: string]: string[] } => {
+  const handler = new CollectKeywords();
+  handle(org, handler);
+  return handler.keywords;
+};
+
+export * from "./handler";
+export * from "./html";
+export { Org, init, InitInput, InitOutput };
--- a/wasm/src/keyword.ts
+++ b/wasm/src/keyword.ts
@ -0,0 +1,10 @@
+import { Handler, Keyword } from "./handler";
+
+export class CollectKeywords extends Handler {
+  keywords: { [key: string]: string[] } = {};
+
+  keyword(keyword: Keyword) {
+    this.keywords[keyword.key] = this.keywords[keyword.key] || [];
+    this.keywords[keyword.key].push(keyword.value);
+  }
+}
--- a/wasm/tests/html.js
+++ b/wasm/tests/html.js
@ -0,0 +1,82 @@
+const { readFile } = require("fs/promises");
+const { resolve } = require("path");
+const { strictEqual } = require("assert");
+
+const { init, renderHtml } = require("../lib/orgize.umd");
+
+const assert = (org, html) => strictEqual(renderHtml(org), html);
+
+readFile(resolve(__dirname, "../lib/orgize_bg.wasm"))
+  .then((bytes) => new WebAssembly.Module(bytes))
+  .then((module) => init(module))
+  .then(() => {
+    assert(
+      "*bold*, /italic/,\n_underlined_, =verbatim= and ~code~",
+      "<main><section><p><b>bold</b>, <i>italic</i>,\n<u>underlined</u>, " +
+        "<code>verbatim</code> and <code>code</code></p></section></main>"
+    );
+
+    assert(
+      "Visit[[http://example.com][link1]]or[[http://example.com][link1]].",
+      `<main><section><p>Visit<a href="http://example.com">link1</a>or<a href="http://example.com">link1</a>.</p></section></main>`
+    );
+
+    assert(
+      `
+* title 1
+section 1
+** title 2
+section 2
+* title 3
+section 3
+* title 4
+section 4
+`,
+      "<main><h1>title 1</h1><section><p>section 1</p></section>" +
+        "<h2>title 2</h2><section><p>section 2</p></section>" +
+        "<h1>title 3</h1><section><p>section 3</p></section>" +
+        "<h1>title 4</h1><section><p>section 4</p></section></main>"
+    );
+
+    assert(
+      `
+ 1
+
+ 2
+
+  - 3
+
+  - 4
+
+ 5
+`,
+      "<main><section><ul>" +
+        "<li><p>1</p></li>" +
+        "<li><p>2</p><ul><li><p>3</p></li><li><p>4</p></li></ul></li>" +
+        "<li><p>5</p></li>" +
+        "</ul></section></main>"
+    );
+
+    assert(
+      "@@html:<del>@@delete this@@html:</del>@@",
+      "<main><section><p><del>delete this</del></p></section></main>"
+    );
+
+    assert(
+      `
+* title
+
+paragraph 1
+
+paragraph 2
+
+paragraph 3
+
+paragraph 4
+`,
+      "<main><h1>title</h1><section>" +
+        "<p>paragraph 1</p><p>paragraph 2</p>" +
+        "<p>paragraph 3</p><p>paragraph 4</p>" +
+        "</section></main>"
+    );
+  });
--- a/wasm/tests/keyword.js
+++ b/wasm/tests/keyword.js
@ -0,0 +1,17 @@
+const { readFile } = require("fs/promises");
+const { resolve } = require("path");
+const { deepStrictEqual } = require("assert");
+
+const { init, keywords } = require("../lib/orgize.umd");
+
+const assert = (org, kw) => deepStrictEqual(keywords(org), kw);
+
+readFile(resolve(__dirname, "../lib/orgize_bg.wasm"))
+  .then((bytes) => new WebAssembly.Module(bytes))
+  .then((module) => init(module))
+  .then(() => {
+    assert("#+TITLE: orgize test cases\n#+FOO: bar", {
+      TITLE: ["orgize test cases"],
+      FOO: ["bar"],
+    });
+  });
--- a/wasm/tsconfig.json
+++ b/wasm/tsconfig.json
@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "lib": ["ESNext", "WebWorker"],
+    "strict": true,
+    "outDir": "out-tsc",
+    "rootDir": "./src",
+    "declaration": true
+  },
+  "include": ["./src"]
+}
--- a/wasm/yarn.lock
+++ b/wasm/yarn.lock
@ -0,0 +1,416 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@babel/code-frame@^7.14.5":
+  version "7.14.5"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.14.5.tgz#23b08d740e83f49c5e59945fbf1b43e80bbf4edb"
+  integrity sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==
+  dependencies:
+    "@babel/highlight" "^7.14.5"
+
+"@babel/helper-validator-identifier@^7.14.5":
+  version "7.14.9"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.9.tgz#6654d171b2024f6d8ee151bf2509699919131d48"
+  integrity sha512-pQYxPY0UP6IHISRitNe8bsijHex4TWZXi2HwKVsjPiltzlhse2znVcm9Ace510VT1kxIHjGJCZZQBX2gJDbo0g==
+
+"@babel/highlight@^7.14.5":
+  version "7.14.5"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.14.5.tgz#6861a52f03966405001f6aa534a01a24d99e8cd9"
+  integrity sha512-qf9u2WFWVV0MppaL877j2dBtQIDgmidgjGk5VIMw3OadXvYaXn66U1BFlH2t4+t3i+8PhedppRv+i40ABzd+gg==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.14.5"
+    chalk "^2.0.0"
+    js-tokens "^4.0.0"
+
+"@nodelib/fs.scandir@2.1.5":
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"
+  integrity sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==
+  dependencies:
+    "@nodelib/fs.stat" "2.0.5"
+    run-parallel "^1.1.9"
+
+"@nodelib/fs.stat@2.0.5", "@nodelib/fs.stat@^2.0.2":
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz#5bd262af94e9d25bd1e71b05deed44876a222e8b"
+  integrity sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==
+
+"@nodelib/fs.walk@^1.2.3":
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.walk/-/fs.walk-1.2.8.tgz#e95737e8bb6746ddedf69c556953494f196fe69a"
+  integrity sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==
+  dependencies:
+    "@nodelib/fs.scandir" "2.1.5"
+    fastq "^1.6.0"
+
+"@types/fs-extra@^8.0.1":
+  version "8.1.2"
+  resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-8.1.2.tgz#7125cc2e4bdd9bd2fc83005ffdb1d0ba00cca61f"
+  integrity sha512-SvSrYXfWSc7R4eqnOzbQF4TZmfpNSM9FrSWLU3EUnWBuyZqNBOrv1B1JA3byUDPUl9z4Ab3jeZG2eDdySlgNMg==
+  dependencies:
+    "@types/node" "*"
+
+"@types/glob@^7.1.1":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.2.0.tgz#bc1b5bf3aa92f25bd5dd39f35c57361bdce5b2eb"
+  integrity sha512-ZUxbzKl0IfJILTS6t7ip5fQQM/J3TJYubDm3nMbgubNNYS62eXeUpoLUC8/7fJNiFYHTrGPQn7hspDUzIHX3UA==
+  dependencies:
+    "@types/minimatch" "*"
+    "@types/node" "*"
+
+"@types/minimatch@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.5.tgz#1001cc5e6a3704b83c236027e77f2f58ea010f40"
+  integrity sha512-Klz949h02Gz2uZCMGwDUSDS1YBlTdDDgbWHi+81l29tQALUtvz4rAYi5uoVhE5Lagoq6DeqAUlbrHvW/mXDgdQ==
+
+"@types/node@*":
+  version "16.11.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.11.6.tgz#6bef7a2a0ad684cf6e90fcfe31cecabd9ce0a3ae"
+  integrity sha512-ua7PgUoeQFjmWPcoo9khiPum3Pd60k4/2ZGXt18sm2Slk0W0xZTqt5Y0Ny1NyBiN1EVQ/+FaF9NcY4Qe6rwk5w==
+
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  integrity sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==
+  dependencies:
+    color-convert "^1.9.0"
+
+array-union@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-2.1.0.tgz#b798420adbeb1de828d84acd8a2e23d3efe85e8d"
+  integrity sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==
+
+balanced-match@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
+  integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+braces@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+  integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
+  dependencies:
+    fill-range "^7.0.1"
+
+chalk@^2.0.0:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+colorette@^1.1.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.4.0.tgz#5190fbb87276259a86ad700bff2c6d6faa3fca40"
+  integrity sha512-Y2oEozpomLn7Q3HFP7dpww7AtMJplbM9lGZP6RDfHqmbeRjiwRg4n6VM6j4KLmRke85uWEI7JqF17f3pqdRA0g==
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+dir-glob@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
+  integrity sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==
+  dependencies:
+    path-type "^4.0.0"
+
+escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+fast-glob@^3.0.3:
+  version "3.2.7"
+  resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-3.2.7.tgz#fd6cb7a2d7e9aa7a7846111e85a196d6b2f766a1"
+  integrity sha512-rYGMRwip6lUMvYD3BTScMwT1HtAs2d71SMv66Vrxs0IekGZEjhM0pcMfjQPnknBt2zeCwQMEupiN02ZP4DiT1Q==
+  dependencies:
+    "@nodelib/fs.stat" "^2.0.2"
+    "@nodelib/fs.walk" "^1.2.3"
+    glob-parent "^5.1.2"
+    merge2 "^1.3.0"
+    micromatch "^4.0.4"
+
+fastq@^1.6.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/fastq/-/fastq-1.13.0.tgz#616760f88a7526bdfc596b7cab8c18938c36b98c"
+  integrity sha512-YpkpUnK8od0o1hmeSc7UUs/eB/vIPWJYjKck2QKIzAf71Vm1AAQ3EbuZB3g2JIy+pg+ERD0vqI79KyZiB2e2Nw==
+  dependencies:
+    reusify "^1.0.4"
+
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  integrity sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==
+  dependencies:
+    to-regex-range "^5.0.1"
+
+fs-extra@^8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-8.1.0.tgz#49d43c45a88cd9677668cb7be1b46efdb8d2e1c0"
+  integrity sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+fsevents@~2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.2.tgz#8a526f78b8fdf4623b709e0b975c52c24c02fd1a"
+  integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
+
+glob-parent@^5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
+  integrity sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==
+  dependencies:
+    is-glob "^4.0.1"
+
+glob@^7.1.3:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.2.0.tgz#d15535af7732e02e948f4c41628bd910293f6023"
+  integrity sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globby@10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-10.0.1.tgz#4782c34cb75dd683351335c5829cc3420e606b22"
+  integrity sha512-sSs4inE1FB2YQiymcmTv6NWENryABjUNPeWhOvmn4SjtKybglsyPZxFB3U1/+L1bYi0rNZDqCLlHyLYDl1Pq5A==
+  dependencies:
+    "@types/glob" "^7.1.1"
+    array-union "^2.1.0"
+    dir-glob "^3.0.1"
+    fast-glob "^3.0.3"
+    glob "^7.1.3"
+    ignore "^5.1.1"
+    merge2 "^1.2.3"
+    slash "^3.0.0"
+
+graceful-fs@^4.1.6, graceful-fs@^4.2.0:
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.8.tgz#e412b8d33f5e006593cbd3cee6df9f2cebbe802a"
+  integrity sha512-qkIilPUYcNhJpd33n0GBXTB1MMPp14TxEsEs0pTrsSVucApsYzW5V+Q8Qxhik6KU3evy+qkAAowTByymK0avdg==
+
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+  integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
+
+ignore@^5.1.1:
+  version "5.1.9"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.9.tgz#9ec1a5cbe8e1446ec60d4420060d43aa6e7382fb"
+  integrity sha512-2zeMQpbKz5dhZ9IwL0gbxSW5w0NK/MSAMtNuhgIHEPmaU3vPdKPL0UdvUCXs5SS4JAwsBxysK5sFMW8ocFiVjQ==
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-glob@^4.0.1:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.3.tgz#64f61e42cbbb2eec2071a9dac0b28ba1e65d5084"
+  integrity sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+  integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
+
+is-plain-object@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-3.0.1.tgz#662d92d24c0aa4302407b0d45d21f2251c85f85b"
+  integrity sha512-Xnpx182SBMrr/aBik8y+GuR4U1L9FqMSojwDQwPMmxyC6bvEqly9UBCxhauBF5vNh2gwWJNX6oDV7O+OM4z34g==
+
+js-tokens@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
+
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
+  integrity sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+magic-string@^0.25.7:
+  version "0.25.7"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.7.tgz#3f497d6fd34c669c6798dcb821f2ef31f5445051"
+  integrity sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==
+  dependencies:
+    sourcemap-codec "^1.4.4"
+
+merge2@^1.2.3, merge2@^1.3.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.4.1.tgz#4368892f885e907455a6fd7dc55c0c9d404990ae"
+  integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
+
+micromatch@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.4.tgz#896d519dfe9db25fce94ceb7a500919bf881ebf9"
+  integrity sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==
+  dependencies:
+    braces "^3.0.1"
+    picomatch "^2.2.3"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-type@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
+  integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
+
+picomatch@^2.2.3:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.0.tgz#f1f061de8f6a4bf022892e2d128234fb98302972"
+  integrity sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==
+
+queue-microtask@^1.2.2:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/queue-microtask/-/queue-microtask-1.2.3.tgz#4929228bbc724dfac43e0efb058caf7b6cfb6243"
+  integrity sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==
+
+reusify@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
+  integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
+
+rollup-plugin-copy@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-copy/-/rollup-plugin-copy-3.4.0.tgz#f1228a3ffb66ffad8606e2f3fb7ff23141ed3286"
+  integrity sha512-rGUmYYsYsceRJRqLVlE9FivJMxJ7X6jDlP79fmFkL8sJs7VVMSVyA2yfyL+PGyO/vJs4A87hwhgVfz61njI+uQ==
+  dependencies:
+    "@types/fs-extra" "^8.0.1"
+    colorette "^1.1.0"
+    fs-extra "^8.1.0"
+    globby "10.0.1"
+    is-plain-object "^3.0.0"
+
+rollup-plugin-dts@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-dts/-/rollup-plugin-dts-4.0.0.tgz#7645280183b7624e77375a548a11297f9916f6d8"
+  integrity sha512-tgUC8CxVgtlLDVloUEA9uACVaxjJHuYxlDSTp1LdCexA0bJx+RuMi45RjdLG9RTCgZlV5YBh3O7P2u6dS1KlnA==
+  dependencies:
+    magic-string "^0.25.7"
+  optionalDependencies:
+    "@babel/code-frame" "^7.14.5"
+
+rollup@^2.56.3:
+  version "2.56.3"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.56.3.tgz#b63edadd9851b0d618a6d0e6af8201955a77aeff"
+  integrity sha512-Au92NuznFklgQCUcV96iXlxUbHuB1vQMaH76DHl5M11TotjOHwqk9CwcrT78+Tnv4FN9uTBxq6p4EJoYkpyekg==
+  optionalDependencies:
+    fsevents "~2.3.2"
+
+run-parallel@^1.1.9:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.2.0.tgz#66d1368da7bdf921eb9d95bd1a9229e7f21a43ee"
+  integrity sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==
+  dependencies:
+    queue-microtask "^1.2.2"
+
+slash@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
+  integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
+
+sourcemap-codec@^1.4.4:
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz#ea804bd94857402e6992d05a38ef1ae35a9ab4c4"
+  integrity sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==
+
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+  dependencies:
+    has-flag "^3.0.0"
+
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+  dependencies:
+    is-number "^7.0.0"
+
+typescript@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.2.tgz#6d618640d430e3569a1dfb44f7d7e600ced3ee86"
+  integrity sha512-gzP+t5W4hdy4c+68bfcv0t400HVJMMd2+H9B7gae1nQlBzCqvrXX+6GL/b3GAgyTH966pzrZ70/fRjwAtZksSQ==
+
+universalify@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+  integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
Author	SHA1	Message	Date
dependabot-preview[bot]	9d7852c4f9	Upgrade to GitHub-native Dependabot	2021-11-08 17:18:19 +08:00
PoiScript	71292fea36	chore(Cargo.toml): exclude /wasm and /.github	2021-11-08 17:08:38 +08:00
PoiScript	447894d23f	release: bump version to 0.9.0	2021-11-08 17:03:16 +08:00
PoiScript	abf568b117	refactor: PropertiesMap	2021-11-08 16:17:12 +08:00
PoiScript	00b46a278a	feat: initial wasm support	2021-11-08 16:17:11 +08:00
PoiScript	2ebd47dbea	build: upgrade dependencies	2021-11-08 14:17:47 +08:00
PoiScript	e255c57f39	chore: bump license year	2021-11-08 14:17:40 +08:00
Alex Roper	e009e1c199	feat: provide preserve-property-order feature using IndexMap (#25 )	2020-05-18 17:21:59 +08:00
PoiScript	efdcb4e73a	docs(SYNTAX.md): update formatting	2020-05-16 19:01:33 +08:00
PoiScript	630cfa1538	chore: update license year	2020-05-16 18:36:37 +08:00