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refactor: replace caniuse-db by mdn-browser-compat-data
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,15 +1,16 @@ | ||
| { | ||
| "es6.module": { | ||
| "chrome": "61", | ||
| "and_chr": "61", | ||
| "edge": "16", | ||
| "firefox": "60", | ||
| "chrome": "61", | ||
| "safari": "10.1", | ||
| "and_ff": "60", | ||
| "node": "13.2.0", | ||
| "opera": "48", | ||
| "ios_saf": "10.3", | ||
| "android": "61", | ||
| "op_mob": "48", | ||
| "and_chr": "61", | ||
| "and_ff": "60", | ||
| "samsung": "8.2" | ||
| "safari": "10.1", | ||
| "ios_saf": "10.3", | ||
| "samsung": "8.2", | ||
| "android": "61" | ||
| } | ||
| } |
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74 changes: 46 additions & 28 deletions
74
packages/babel-compat-data/scripts/build-modules-support.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,58 @@ | ||
| const path = require("path"); | ||
| const fs = require("fs"); | ||
|
|
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| const moduleSupport = require("caniuse-db/features-json/es6-module.json"); | ||
|
|
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| const acceptedWithCaveats = new Set(["safari", "ios_saf"]); | ||
| const compatData = require("mdn-browser-compat-data").javascript; | ||
|
|
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| // Map mdn-browser-compat-data to browserslist browser names | ||
| const browserNameMap = { | ||
| and_chr: "chrome", | ||
| and_ff: "firefox", | ||
| android: "chrome", // map to chrome here as Android WebView 61 is Chromium-based | ||
| op_mob: "opera", | ||
| chrome_android: "and_chr", | ||
| firefox_android: "and_ff", | ||
| safari_ios: "ios_saf", | ||
| nodejs: "node", | ||
| webview_android: "android", | ||
| opera_android: "op_mob", | ||
| samsunginternet_android: "samsung", | ||
| }; | ||
|
|
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| const browserSupportMap = { | ||
| android: "chrome_android", // map to chrome here as Android WebView 61 is Chromium-based | ||
| }; | ||
| const { stats } = moduleSupport; | ||
|
|
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| const allowedBrowsers = {}; | ||
|
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| Object.keys(stats).forEach(browser => { | ||
| const browserName = browserNameMap[browser] || browser; | ||
| const browserVersions = stats[browserName]; | ||
| const allowedVersions = Object.keys(browserVersions) | ||
| .filter(value => { | ||
| // Edge 16/17 are marked as "y #6" | ||
| return acceptedWithCaveats.has(browserName) | ||
| ? browserVersions[value][0] === "a" | ||
| : browserVersions[value].startsWith("y"); | ||
| }) | ||
| .sort((a, b) => a - b); | ||
|
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| if (allowedVersions[0] !== undefined) { | ||
| // Handle cases where caniuse specifies version as: "11.0-11.2" | ||
| allowedBrowsers[browser] = allowedVersions[0].split("-")[0]; | ||
|
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| function browserVersion(browser, version_added) { | ||
| if (browser === "samsunginternet_android" && version_added === "8.0") { | ||
| return "8.2"; // samsung 8.0 is not defined in browserslist | ||
| } | ||
| }); | ||
| // fixme: preset-env maps opera_android as opera, this is incorrect as they have different engine mappings | ||
| // see https://github.com/mdn/browser-compat-data/blob/master/browsers/opera_android.json | ||
| if (browser === "opera_android" && version_added === "45") { | ||
| return "48"; | ||
| } | ||
| return version_added; | ||
| } | ||
|
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| function process(source) { | ||
| const stats = source.__compat.support; | ||
| const allowedBrowsers = {}; | ||
|
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| Object.keys(stats).forEach(browser => { | ||
| const browserName = browserNameMap[browser] ?? browser; | ||
| let browserSupport = stats[browserSupportMap[browserName] ?? browser]; | ||
| if (Array.isArray(browserSupport)) { | ||
| browserSupport = browserSupport[0]; // The first item is the most progressive support | ||
| } | ||
| if (browserSupport.version_added && !browserSupport.flags) { | ||
| allowedBrowsers[browserName] = browserVersion( | ||
| browser, | ||
| browserSupport.version_added | ||
| ); | ||
| } | ||
| }); | ||
|
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| return allowedBrowsers; | ||
| } | ||
|
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| const dataPath = path.join(__dirname, "../data/native-modules.json"); | ||
| const data = { | ||
| "es6.module": allowedBrowsers, | ||
| "es6.module": process(compatData.statements.export), | ||
| }; | ||
| fs.writeFileSync(dataPath, `${JSON.stringify(data, null, 2)}\n`); |
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