150 lines
3.9 KiB
JavaScript
150 lines
3.9 KiB
JavaScript
import assert from "node:assert";
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import fs from "node:fs/promises";
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import path from "node:path";
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import eslintPluginCompat from "eslint-plugin-compat";
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import buildConfig from "./build/config.js";
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import { DIST_DIR } from "./utilities/index.js";
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const { browserslist: targets } = JSON.parse(
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await fs.readFile(new URL("../package.json", import.meta.url)),
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);
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function getProductionFiles(platform) {
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return buildConfig
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.flatMap((project) =>
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project.files
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.filter(
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(file) => file.kind === "javascript" && file.platform === platform,
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)
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.map((file) => path.join(project.distDirectory, file.output.file)),
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)
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.map((file) => path.relative(DIST_DIR, file).replaceAll("\\", "/"));
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}
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const browserFiles = getProductionFiles("universal");
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const nodejsFiles = getProductionFiles("node");
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assert.ok(browserFiles.length > 0);
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assert.ok(nodejsFiles.length > 0);
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const restrictedSyntaxes = [
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{
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selector: String.raw`CallExpression[callee.name="require"][arguments.0.value=/^\..*?\.mjs$/]`,
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message: ".mjs file can't be `require()`d",
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},
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{
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selector:
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'TaggedTemplateExpression > MemberExpression.tag[object.name="String"][property.name="raw"]',
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message: "`String.raw` should be transformed.",
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},
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...[
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// "at", // `.at` in `acorn` didn't transform
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"findLastIndex",
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"findLast",
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"replaceAll",
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"toReversed",
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].map((method) => ({
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selector: `CallExpression > MemberExpression.callee[computed!=true][property.name="${method}"]`,
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message: `\`.${method}()\` should be transformed`,
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})),
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];
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const browserRestrictedSyntaxes = [
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{
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selector: 'CallExpression[callee.name="require"]',
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message: "Universal bundles should not include any `require()` call.",
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},
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{
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selector: "ImportDeclaration",
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message: "Universal bundles should not include any `import` declaration.",
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},
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{
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selector:
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":matches(ExportAllDeclaration, ExportDefaultDeclaration, ExportNamedDeclaration)[source]",
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message: "Universal bundles should not `export` from other files.",
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},
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{
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selector: "ImportExpression",
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message: "Universal bundles should not include any `import()`.",
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},
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];
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const nodejsRestrictedSyntaxes = [
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// Forbid top level `require()` parsers
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{
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selector:
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'CallExpression:not(:function *)[callee.name="require"][arguments.0.value=/plugins/]',
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message: "Parsers should be inline `require()`d.",
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},
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// Forbid top level `import()` parsers
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{
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selector: "ImportExpression:not(:function *)[source.value=/plugins/]",
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message: "Parsers should be inline `import()`ed.",
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},
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// Forbid `import`/`export` parsers
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{
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selector:
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":matches(ImportDeclaration, ExportAllDeclaration, ExportDefaultDeclaration, ExportNamedDeclaration)[source.value=/plugins/]",
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message: "Parsers should be inline `import()`ed.",
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},
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];
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/* TODO[@fisker]: Fix `no-restricted-syntax` */
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export default [
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{
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plugins: {
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compat: eslintPluginCompat,
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},
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settings: {
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targets,
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lintAllEsApis: true,
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polyfills: [
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// These are not really polyfilled, but seems safe to use in target browsers
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"BigInt",
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"Symbol.asyncIterator",
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],
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},
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linterOptions: {
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noInlineConfig: true,
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reportUnusedDisableDirectives: "off",
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},
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rules: {
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"compat/compat": "error",
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"no-restricted-syntax": ["error", ...restrictedSyntaxes],
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},
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},
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{
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files: browserFiles,
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rules: {
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"no-restricted-syntax": [
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"error",
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...restrictedSyntaxes,
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...browserRestrictedSyntaxes,
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],
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},
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},
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{
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files: nodejsFiles,
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rules: {
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"no-restricted-syntax": [
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"error",
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...restrictedSyntaxes,
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...nodejsRestrictedSyntaxes,
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],
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},
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},
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{
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files: ["bin/prettier.cjs"],
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languageOptions: {
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ecmaVersion: 5,
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},
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rules: {
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"compat/compat": "error",
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},
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},
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];
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