mirror of
https://github.com/explosion/spaCy.git
synced 2024-09-22 11:59:14 +03:00
332 lines
13 KiB
JavaScript
332 lines
13 KiB
JavaScript
//- 💫 MAIN JAVASCRIPT
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//- Note: Will be compiled using Babel before deployment.
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'use strict'
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const $ = document.querySelector.bind(document);
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const $$ = document.querySelectorAll.bind(document);
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class ProgressBar {
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/**
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* Animated reading progress bar.
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* @param {String} selector – CSS selector of progress bar element.
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*/
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constructor(selector) {
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this.el = $(selector);
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this.scrollY = 0;
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this.sizes = this.updateSizes();
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this.el.setAttribute('max', 100);
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this.init();
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}
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init() {
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window.addEventListener('scroll', () => {
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this.scrollY = (window.pageYOffset || document.scrollTop) - (document.clientTop || 0);
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requestAnimationFrame(this.update.bind(this));
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}, false);
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window.addEventListener('resize', () => {
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this.sizes = this.updateSizes();
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requestAnimationFrame(this.update.bind(this));
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})
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}
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update() {
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const offset = 100 - ((this.sizes.height - this.scrollY - this.sizes.vh) / this.sizes.height * 100);
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this.el.setAttribute('value', (this.scrollY == 0) ? 0 : offset || 0);
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}
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updateSizes() {
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const body = document.body;
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const html = document.documentElement;
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return {
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height: Math.max(body.scrollHeight, body.offsetHeight, html.clientHeight, html.scrollHeight, html.offsetHeight),
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vh: Math.max(html.clientHeight, window.innerHeight || 0)
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}
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}
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}
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class SectionHighlighter {
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/**
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* Hightlight section in viewport in sidebar, using in-view library.
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* @param {String} sectionAttr - Data attribute of sections.
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* @param {String} navAttr - Data attribute of navigation items.
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* @param {String} activeClass – Class name of active element.
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*/
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constructor(sectionAttr, navAttr, activeClass = 'is-active') {
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this.sections = [...$$(`[${navAttr}]`)];
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this.navAttr = navAttr;
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this.sectionAttr = sectionAttr;
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this.activeClass = activeClass;
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inView(`[${sectionAttr}]`).on('enter', this.highlightSection.bind(this));
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}
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highlightSection(section) {
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const id = section.getAttribute(this.sectionAttr);
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const el = $(`[${this.navAttr}="${id}"]`);
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if (el) {
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this.sections.forEach(el => el.classList.remove(this.activeClass));
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el.classList.add(this.activeClass);
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}
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}
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}
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class Templater {
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/**
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* Mini templating engine based on data attributes. Selects elements based
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* on a data-tpl and data-tpl-key attribute and can set textContent
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* and innterHtml.
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*
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* @param {String} templateId - Template section, e.g. value of data-tpl.
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*/
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constructor(templateId) {
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this.templateId = templateId;
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}
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get(key) {
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return $(`[data-tpl="${this.templateId}"][data-tpl-key="${key}"]`);
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}
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fill(key, value, html = false) {
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const el = this.get(key);
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if (html) el.innerHTML = value || '';
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else el.textContent = value || '';
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return el;
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}
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}
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class ModelLoader {
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/**
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* Load model meta from GitHub and update model details on site. Uses the
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* Templater mini template engine to update DOM.
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*
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* @param {String} repo - Path tp GitHub repository containing releases.
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* @param {Array} models - List of model IDs, e.g. "en_core_web_sm".
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* @param {Object} licenses - License IDs mapped to URLs.
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* @param {Object} accKeys - Available accuracy keys mapped to display labels.
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*/
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constructor(repo, models = [], licenses = {}, accKeys = {}) {
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this.url = `https://raw.githubusercontent.com/${repo}/master`;
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this.repo = `https://github.com/${repo}`;
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this.modelIds = models;
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this.licenses = licenses;
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this.accKeys = accKeys;
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this.chartColor = '#09a3d5';
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this.chartOptions = {
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type: 'bar',
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options: { responsive: true, scales: {
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yAxes: [{ label: 'Accuracy', ticks: { suggestedMin: 70 }}],
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xAxes: [{ barPercentage: 0.425 }]
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}}
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}
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Chart.defaults.global.legend.position = 'bottom';
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Chart.defaults.global.defaultFontFamily = "-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'";
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this.init();
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}
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init() {
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this.modelIds.forEach(modelId =>
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new Templater(modelId).get('table').setAttribute('data-loading', ''));
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fetch(`${this.url}/compatibility.json`)
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.then(res => this.handleResponse(res))
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.then(json => json.ok ? this.getModels(json['spacy']) : this.modelIds.forEach(modelId => this.showError(modelId)))
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}
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handleResponse(res) {
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if (res.ok) return res.json().then(json => Object.assign({}, json, { ok: res.ok }))
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else return ({ ok: res.ok })
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}
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convertNumber(num, separator = ',') {
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return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, separator);
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}
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getModels(compat) {
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this.compat = compat;
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for (let modelId of this.modelIds) {
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const version = this.getLatestVersion(modelId, compat);
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if (!version) {
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this.showError(modelId); return;
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}
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fetch(`${this.url}/meta/${modelId}-${version}.json`)
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.then(res => this.handleResponse(res))
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.then(json => json.ok ? this.render(json) : this.showError(modelId))
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}
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// make sure scroll positions for progress bar etc. are recalculated
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window.dispatchEvent(new Event('resize'));
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}
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showError(modelId) {
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const template = new Templater(modelId);
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template.get('table').removeAttribute('data-loading');
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template.get('error').style.display = 'block';
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for (let key of ['sources', 'pipeline', 'vectors', 'author', 'license']) {
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template.get(key).parentElement.parentElement.style.display = 'none';
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}
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}
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/**
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* Update model details in tables. Currently quite hacky :(
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*/
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render({ lang, name, version, sources, pipeline, vectors, url, author, license, accuracy, size, description, notes }) {
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const modelId = `${lang}_${name}`;
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const model = `${modelId}-${version}`;
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const template = new Templater(modelId);
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const getSources = s => (s instanceof Array) ? s.join(', ') : s;
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const getPipeline = p => p.map(comp => `<code>${comp}</code>`).join(', ');
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const getVectors = v => `${this.convertNumber(v.entries)} (${v.width} dimensions)`;
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const getLink = (t, l) => `<a href="${l}" target="_blank">${t}</a>`;
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const keys = { version, size, description, notes }
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Object.keys(keys).forEach(key => template.fill(key, keys[key]));
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if (sources) template.fill('sources', getSources(sources));
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if (pipeline && pipeline.length) template.fill('pipeline', getPipeline(pipeline), true);
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else template.get('pipeline').parentElement.parentElement.style.display = 'none';
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if (vectors) template.fill('vectors', getVectors(vectors));
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else template.get('vectors').parentElement.parentElement.style.display = 'none';
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if (author) template.fill('author', url ? getLink(author, url) : author, true);
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if (license) template.fill('license', this.licenses[license] ? getLink(license, this.licenses[license]) : license, true);
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template.get('download').setAttribute('href', `${this.repo}/releases/tag/${model}`);
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if (accuracy) this.renderAccuracy(template, accuracy, modelId);
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this.renderCompat(template, modelId);
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template.get('table').removeAttribute('data-loading');
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}
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renderCompat(template, modelId) {
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template.get('compat-wrapper').style.display = 'table-row';
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const options = Object.keys(this.compat).map(v => `<option value="${v}">v${v}</option>`).join('');
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template
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.fill('compat', '<option selected disabled>spaCy version</option>' + options, true)
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.addEventListener('change', ev => {
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const result = this.compat[ev.target.value][modelId];
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if (result) template.fill('compat-versions', `<code>${modelId}-${result[0]}</code>`, true);
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else template.fill('compat-versions', '');
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});
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}
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renderAccuracy(template, accuracy, modelId, compare=false) {
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template.get('accuracy-wrapper').style.display = 'block';
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const metaKeys = Object.keys(this.accKeys).map(k => accuracy[k] ? k : false).filter(k => k);
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for (let key of metaKeys) {
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template.fill(key, accuracy[key].toFixed(2)).parentElement.style.display = 'table-row';
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}
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this.chartOptions.options.legend = { display: compare }
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new Chart(`chart_${modelId}`, Object.assign({}, this.chartOptions, { data: {
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datasets: [{
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label: modelId,
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data: metaKeys.map(key => accuracy[key].toFixed(2)),
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backgroundColor: this.chartColor
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}],
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labels: metaKeys.map(key => this.accKeys[key])
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}}))
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}
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getLatestVersion(model, compat = {}) {
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for (let spacy_v of Object.keys(compat)) {
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const models = compat[spacy_v];
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if (models[model]) return models[model][0];
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}
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}
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}
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class Changelog {
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/**
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* Fetch and render changelog from GitHub. Clones a template node (table row)
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* to avoid doubling templating markup in JavaScript.
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*
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* @param {String} user - GitHub username.
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* @param {String} repo - Repository to fetch releases from.
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*/
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constructor(user, repo) {
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this.url = `https://api.github.com/repos/${user}/${repo}/releases`;
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this.template = new Templater('changelog');
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fetch(this.url)
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.then(res => this.handleResponse(res))
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.then(json => json.ok ? this.render(json) : false)
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}
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/**
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* Get template section from template row. Slightly hacky, but does make sense.
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*/
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$(item, id) {
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return item.querySelector(`[data-changelog="${id}"]`);
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}
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handleResponse(res) {
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if (res.ok) return res.json().then(json => Object.assign({}, json, { ok: res.ok }))
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else return ({ ok: res.ok })
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}
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render(json) {
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this.template.get('error').style.display = 'none';
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this.template.get('table').style.display = 'block';
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this.row = this.template.get('item');
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this.releases = this.template.get('releases');
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this.prereleases = this.template.get('prereleases');
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Object.values(json)
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.filter(release => release.name)
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.forEach(release => this.renderRelease(release));
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this.row.remove();
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// make sure scroll positions for progress bar etc. are recalculated
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window.dispatchEvent(new Event('resize'));
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}
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/**
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* Clone the template row and populate with content from API response.
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* https://developer.github.com/v3/repos/releases/#list-releases-for-a-repository
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*
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* @param {String} name - Release title.
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* @param {String} tag (tag_name) - Release tag.
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* @param {String} url (html_url) - URL to the release page on GitHub.
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* @param {String} date (published_at) - Timestamp of release publication.
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* @param {Boolean} pre (prerelease) - Whether the release is a prerelease.
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*/
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renderRelease({ name, tag_name: tag, html_url: url, published_at: date, prerelease: pre }) {
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const container = pre ? this.prereleases : this.releases;
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const row = this.row.cloneNode(true);
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this.$(row, 'date').textContent = date.split('T')[0];
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this.$(row, 'tag').innerHTML = `<a href="${url}" target="_blank"><code>${tag}</code></a>`;
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this.$(row, 'title').textContent = (name.split(': ').length == 2) ? name.split(': ')[1] : name;
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container.appendChild(row);
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}
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}
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class GitHubEmbed {
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/**
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* Embed code from GitHub repositories, similar to Gist embeds. Fetches the
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* raw text and places it inside element.
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* Usage: <pre><code data-gh-embed="spacy/master/examples/x.py"></code><pre>
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*
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* @param {String} user - GitHub user or organization.
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* @param {String} attr - Data attribute used to select containers. Attribute
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* value should be path to file relative to user.
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*/
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constructor(user, attr) {
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this.url = `https://raw.githubusercontent.com/${user}`;
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this.attr = attr;
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this.error = `\nCan't fetch code example from GitHub :(\n\nPlease use the link below to view the example. If you've come across\na broken link, we always appreciate a pull request to the repository,\nor a report on the issue tracker. Thanks!`;
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[...$$(`[${this.attr}]`)].forEach(el => this.embed(el));
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}
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embed(el) {
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el.parentElement.setAttribute('data-loading', '');
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fetch(`${this.url}/${el.getAttribute(this.attr)}`)
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.then(res => res.text().then(text => ({ text, ok: res.ok })))
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.then(({ text, ok }) => {
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el.textContent = ok ? text : this.error;
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if (ok && window.Prism) Prism.highlightElement(el);
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})
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el.parentElement.removeAttribute('data-loading');
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}
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}
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