mirror of https://github.com/electron/electron
59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
const { ipcRenderer, contextBridge } = require('electron/renderer');
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const policy = window.trustedTypes.createPolicy('electron-default-app', {
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// we trust the SVG contents
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createHTML: input => input
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});
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async function getOcticonSvg (name: string) {
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try {
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const response = await fetch(`octicon/${name}.svg`);
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const div = document.createElement('div');
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div.innerHTML = policy.createHTML(await response.text());
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return div;
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} catch {
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return null;
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}
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}
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async function loadSVG (element: HTMLSpanElement) {
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for (const cssClass of element.classList) {
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if (cssClass.startsWith('octicon-')) {
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const icon = await getOcticonSvg(cssClass.substr(8));
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if (icon) {
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for (const elemClass of element.classList) {
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icon.classList.add(elemClass);
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}
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element.before(icon);
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element.remove();
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break;
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}
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}
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}
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}
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async function initialize () {
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const electronPath = await ipcRenderer.invoke('bootstrap');
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function replaceText (selector: string, text: string) {
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const element = document.querySelector<HTMLElement>(selector);
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if (element) {
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element.innerText = text;
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}
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}
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replaceText('.electron-version', `Electron v${process.versions.electron}`);
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replaceText('.chrome-version', `Chromium v${process.versions.chrome}`);
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replaceText('.node-version', `Node v${process.versions.node}`);
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replaceText('.v8-version', `v8 v${process.versions.v8}`);
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replaceText('.command-example', `${electronPath} path-to-app`);
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for (const element of document.querySelectorAll<HTMLSpanElement>('.octicon')) {
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loadSVG(element);
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}
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}
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contextBridge.exposeInMainWorld('electronDefaultApp', {
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initialize
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});
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