rust/docs/index.html

309 lines
13 KiB
HTML

<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/3.0.1/github-markdown.css" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.0.0/styles/github-gist.min.css">
<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
<script src="https://unpkg.com/vue-async-computed@3.8.1"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.0.0/highlight.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/axios/0.18.0/axios.min.js"></script>
<style>
@media (max-width: 767px) {
.markdown-body {
padding: 15px;
}
#search {
max-width: 85%;
}
}
body {
overflow: scroll;
}
.markdown-body {
box-sizing: border-box;
min-width: 200px;
max-width: 980px;
margin: 0 auto;
padding: 45px;
}
#search {
border: 1px solid #d1d5da;
padding-left: 30px;
overflow: hidden;
}
.searchCondition {
display: flex;
flex-wrap: wrap;
}
.searchCondition > div {
margin-right: 30px;
}
.header-link {
position: relative;
}
.header-link:hover::before {
position: absolute;
left: -2em;
padding-right: 0.5em;
content: '\2002\00a7\2002';
}
</style>
</head>
<body>
<div id="app">
<article class="markdown-body">
<div class="searchCondition">
<div>
<form style="display:flex;">
<label for="search" style="margin-right: 3px;" >search:</label>
<div style="position: relative;">
<input id="search" placeholder="Search all options" v-model="searchCondition">
<svg style="position: absolute; left: 8px; top: 7px;" class="octicon octicon-search subnav-search-icon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true">
<path fill-rule="evenodd" d="M15.7 13.3l-3.81-3.83A5.93 5.93 0 0 0 13 6c0-3.31-2.69-6-6-6S1 2.69 1 6s2.69 6 6 6c1.3 0 2.48-.41 3.47-1.11l3.83 3.81c.19.2.45.3.7.3.25 0 .52-.09.7-.3a.996.996 0 0 0 0-1.41v.01zM7 10.7c-2.59 0-4.7-2.11-4.7-4.7 0-2.59 2.11-4.7 4.7-4.7 2.59 0 4.7 2.11 4.7 4.7 0 2.59-2.11 4.7-4.7 4.7z"></path>
</svg>
</div>
</form>
</div>
<div>
<label for="stable">stable: </label>
<input type="checkbox" id="stable" v-model="shouldStable">
</div>
<div>
<label for="version">version: </label>
<select name="version" id="version" v-model="version">
<option v-for="option in versionOptions" v-bind:value="option">
{{ option }}
</option>
</select>
</div>
</div>
<div v-html="aboutHtml"></div>
<div v-html="configurationAboutHtml"></div>
<div v-html="outputHtml"></div>
</article>
</div>
<script>
const RusfmtTagsUrl = 'https://api.github.com/repos/rust-lang/rustfmt/tags';
const RustfmtLatestUrl = 'https://api.github.com/repos/rust-lang/rustfmt/releases/latest';
const UrlHash = window.location.hash.replace(/^#/, '');
const queryParams = new URLSearchParams(window.location.search);
const searchParam = queryParams.get('search');
const searchTerm = null !== searchParam ? searchParam : '';
const versionParam = queryParams.get('version');
const parseVersionParam = (version) => {
if (version === 'master') return 'master';
if (version.startsWith('v')) return version;
return `v${version}`;
};
const versionNumber = null !== versionParam ? parseVersionParam(versionParam) : 'master';
new Vue({
el: '#app',
data: {
aboutHtml: '',
configurationAboutHtml: '',
configurationDescriptions: [],
searchCondition: searchTerm,
shouldStable: false,
version: versionNumber,
oldVersion: undefined,
versionOptions: ['master'],
scrolledOnce: false,
},
asyncComputed: {
async updateVersion() {
let latest;
try {
latest = (await axios.get(RustfmtLatestUrl)).data;
} catch(err) {
console.log(err);
return;
}
this.version = latest.name;
},
async outputHtml() {
if (this.version !== this.oldVersion) {
const ConfigurationMdUrl =
`https://raw.githubusercontent.com/rust-lang/rustfmt/${this.version}/Configurations.md`;
let res;
try {
res = await axios.get(ConfigurationMdUrl).catch(e => { throw e });
} catch(e) {
this.handleReqFailure(e);
return;
}
const {
about,
configurationAbout,
configurationDescriptions
} = parseMarkdownAst(res.data);
this.aboutHtml = marked.parser(about);
this.configurationAboutHtml = marked.parser(configurationAbout);
this.configurationDescriptions = configurationDescriptions;
this.oldVersion = this.version;
}
const ast = this.configurationDescriptions
.filter(({ head, text, stable }) => {
if (text.includes(this.searchCondition) === false &&
head.includes(this.searchCondition) === false) {
return false;
}
return (this.shouldStable)
? stable === true
: true;
})
.reduce((stack, { value }) => {
return stack.concat(value);
}, []);
ast.links = {};
queryParams.set('version', this.version);
queryParams.set('search', this.searchCondition);
const curUrl = window.location.pathname +
'?' + queryParams.toString() + window.location.hash;
history.pushState(null, '', curUrl);
const renderer = new marked.Renderer();
renderer.heading = function(text, level) {
const id = htmlToId(text);
return `<h${level}>
<a id="${id}" href="#${id}" name="${id}" class="header-link">${text}</a>
</h${level}>`;
};
return marked.parser(ast, {
highlight(code, lang) {
return hljs.highlight(lang ? lang : 'rust', code).value;
},
headerIds: true,
headerPrefix: '',
renderer,
});
}
},
created: async function() {
let tags;
try {
tags = (await axios.get(RusfmtTagsUrl)).data;
} catch(e) {
this.handleReqFailure(e);
return;
}
const excludedTagVersions = new Set(['v0.7', 'v0.8.1']);
const tagOptions = tags
.map(tag => tag.name)
.filter(tag => tag.startsWith('v') && !excludedTagVersions.has(tag));
this.versionOptions = this.versionOptions.concat(tagOptions);
},
updated() {
if (UrlHash === '') return;
this.$nextTick(() => {
const target = document.querySelector(`#${UrlHash}`);
if (target != null && !this.scrolledOnce) {
target.scrollIntoView(true);
this.scrolledOnce = true;
}
});
},
methods: {
handleReqFailure(e) {
if (e.response.status === 404) {
this.aboutHtml =
"<p>Failed to get configuration options for this version, please select the version from the dropdown above.</p>";
} else if (
e.response.status === 403 &&
e.response.headers["X-RateLimit-Remaining"] === 0
) {
const resetDate = new Date(
e.response.headers['X-RateLimit-Reset'] * 1000
).toLocaleString();
this.aboutHtml =
`<p>You have hit the GitHub API rate limit; documentation cannot be updated.` +
`<p>The rate limit will be reset at ${resetDate}.</p>`;
} else {
this.aboutHtml =
`<p>Ecountered an error when fetching documentation data:</p>` +
`<pre><code>${e.response.data}</code></pre>` +
`<p>We would appreciate <a href="https://github.com/rust-lang/rustfmt/issues/new?template=bug_report.md">a bug report</a>.` +
`<p>Try refreshing the page.</p>`;
}
}
}
});
const extractDepthOnes = (ast) => {
return ast.reduce((stack, next) => {
if (next.depth === 1) {
stack.push([]);
}
const lastIndex = stack.length - 1;
stack[lastIndex].push(next);
return stack;
}, []);
}
const extractDepthTwos = (ast) => {
return ast.map((elem) => {
return elem.reduce((stack, next) => {
if (next.depth === 2) {
stack.push([]);
}
const lastIndex = stack.length - 1;
stack[lastIndex].push(next);
return stack;
},
[[]]);
});
}
const createHeadAndValue = (ast) => {
return ast.map((elem) => {
return elem.map((val) => {
return {
head: val[0].text,
value: val,
stable: val.some((elem) => {
return elem.type === "list" &&
!!elem.raw &&
elem.raw.includes("**Stable**: Yes");
}),
text: val.reduce((result, next) => {
return next.text != null
? `${result} ${next.text}`
: result;
}, '')
}
});
})
}
const parseMarkdownAst = (rawMarkdown) => {
const ast = marked.lexer(rawMarkdown);
const depthOnes = extractDepthOnes(ast);
const depthTwos = extractDepthTwos(depthOnes);
const [
abouts, configurations
] = createHeadAndValue(depthTwos);
const about = abouts[0].value;
about.links = {};
const [
configurationAbout, ...configurationDescriptions
] = configurations;
configurationAbout.value.links = {};
return {
about,
configurationAbout: configurationAbout.value,
configurationDescriptions
};
}
function htmlToId(text) {
const tmpl = document.createElement('template');
tmpl.innerHTML = text.trim();
return encodeURIComponent(CSS.escape(tmpl.content.textContent));
}
</script>
</body>
</html>