97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
/**
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* @providesModule DocsSidebar
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* @jsx React.DOM
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*/
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var React = require('React');
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var Metadata = require('Metadata');
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var DocsSidebar = React.createClass({
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getCategories: function() {
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var metadatas = Metadata.files.filter(function(metadata) {
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return metadata.layout === 'docs';
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});
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// Build a hashmap of article_id -> metadata
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var articles = {};
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for (var i = 0; i < metadatas.length; ++i) {
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var metadata = metadatas[i];
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articles[metadata.id] = metadata;
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}
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// Build a hashmap of article_id -> previous_id
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var previous = {};
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for (var i = 0; i < metadatas.length; ++i) {
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var metadata = metadatas[i];
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if (metadata.next) {
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if (!articles[metadata.next]) {
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throw '`next: ' + metadata.next + '` in ' + metadata.id + ' doesn\'t exist';
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}
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previous[articles[metadata.next].id] = metadata.id;
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}
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}
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// Find the first element which doesn't have any previous
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var first = null;
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for (var i = 0; i < metadatas.length; ++i) {
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var metadata = metadatas[i];
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if (!previous[metadata.id]) {
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first = metadata;
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break;
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}
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}
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var categories = [];
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var currentCategory = null;
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var metadata = first;
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var i = 0;
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while (metadata && i++ < 1000) {
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if (!currentCategory || metadata.category !== currentCategory.name) {
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currentCategory && categories.push(currentCategory);
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currentCategory = {
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name: metadata.category,
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links: []
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};
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}
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currentCategory.links.push(metadata);
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metadata = articles[metadata.next];
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}
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categories.push(currentCategory);
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return categories;
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},
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getLink: function(metadata) {
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if (metadata.permalink.match(/^https?:/)) {
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return metadata.permalink;
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}
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return '/react-native/' + metadata.permalink + '#content';
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},
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render: function() {
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return <div className="nav-docs">
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{this.getCategories().map((category) =>
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<div className="nav-docs-section" key={category.name}>
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<h3>{category.name}</h3>
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<ul>
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{category.links.map((metadata) =>
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<li key={metadata.id}>
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<a
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target={metadata.permalink.match(/^https?:/) && '_blank'}
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style={{marginLeft: metadata.indent ? 20 : 0}}
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className={metadata.id === this.props.metadata.id ? 'active' : ''}
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href={this.getLink(metadata)}>
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{metadata.title}
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</a>
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</li>
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)}
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</ul>
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</div>
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)}
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</div>;
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}
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});
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module.exports = DocsSidebar;
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