66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
const path = require("path");
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const fs = require("fs");
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const compatData = require("@mdn/browser-compat-data").javascript;
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const { addElectronSupportFromChromium } = require("./chromium-to-electron");
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// Map mdn-browser-compat-data to browserslist browser names
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const browserNameMap = {
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chrome_android: "and_chr",
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firefox_android: "and_ff",
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safari_ios: "ios_saf",
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nodejs: "node",
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webview_android: "android",
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opera_android: "op_mob",
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samsunginternet_android: "samsung",
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};
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const browserSupportMap = {
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android: "chrome_android", // map to chrome here as Android WebView 61 is Chromium-based
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};
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function browserVersion(browser, version_added) {
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if (browser === "samsunginternet_android" && version_added === "8.0") {
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return "8.2"; // samsung 8.0 is not defined in browserslist
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}
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// fixme: preset-env maps opera_android as opera, this is incorrect as they have different engine mappings
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// see https://github.com/mdn/browser-compat-data/blob/master/browsers/opera_android.json
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if (browser === "opera_android" && version_added === "45") {
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return "48";
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}
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return version_added;
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}
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function process(source) {
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const stats = source.__compat.support;
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const allowedBrowsers = {};
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Object.keys(stats).forEach(browser => {
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const browserName = browserNameMap[browser] || browser;
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let browserSupport = stats[browserSupportMap[browserName] || browser];
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if (Array.isArray(browserSupport)) {
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browserSupport = browserSupport[0]; // The first item is the most progressive support
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}
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if (
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browserSupport.version_added &&
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!browserSupport.flags &&
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!browserSupport.partial_implementation
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) {
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allowedBrowsers[browserName] = browserVersion(
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browser,
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browserSupport.version_added
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);
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}
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});
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addElectronSupportFromChromium(allowedBrowsers);
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return allowedBrowsers;
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}
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const dataPath = path.join(__dirname, "../data/native-modules.json");
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const data = {
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"es6.module": process(compatData.statements.export),
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};
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fs.writeFileSync(dataPath, `${JSON.stringify(data, null, 2)}\n`);
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exports.process = process;
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