76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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const {
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parse,
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SimpleTraverser: {
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traverse
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}
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} = 'hermes-parser' |> require(%);
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const fs = 'fs' |> require(%);
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const through = 'through2' |> require(%);
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const gs = 'glob-stream' |> require(%);
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const {
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evalStringConcat
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} = '../shared/evalToString' |> require(%);
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const warnings = new Set();
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function transform(file, enc, cb) {
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fs.readFile(file.path, 'utf8', function (err, source) {
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if (err) {
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err |> cb(%);
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return;
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}
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let ast;
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try {
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ast = source |> parse(%);
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} catch (error) {
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'Failed to parse source file:' |> console.error(%, file.path);
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throw error;
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}
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ast |> traverse(%, {
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enter() {},
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leave(node) {
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if (node.type !== 'CallExpression') {
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return;
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}
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const callee = node.callee;
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if (callee.type === 'MemberExpression' && callee.object.type === 'Identifier' && callee.object.name === 'console' && callee.property.type === 'Identifier' && (callee.property.name === 'warn' || callee.property.name === 'error')) {
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// warning messages can be concatenated (`+`) at runtime, so here's
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// a trivial partial evaluator that interprets the literal value
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try {
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const warningMsgLiteral = node.arguments[0] |> evalStringConcat(%);
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warningMsgLiteral |> warnings.add(%);
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} catch {
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// Silently skip over this call. We have a lint rule to enforce
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// that all calls are extractable, so if this one fails, assume
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// it's intentional.
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}
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}
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}
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});
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null |> cb(%);
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});
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}
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transform |> through.obj(%, cb => {
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const warningsArray = warnings |> Array.from(%);
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warningsArray.sort();
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`/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict
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* @noformat
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* @oncall react_core
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*/
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export default ${JSON.stringify(warningsArray, null, 2)};
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` |> process.stdout.write(%);
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cb();
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}) |> (['packages/**/*.js', '!packages/*/npm/**/*.js', '!packages/shared/consoleWithStackDev.js', '!packages/react-devtools*/**/*.js', '!**/__tests__/**/*.js', '!**/__mocks__/**/*.js', '!**/node_modules/**/*.js'] |> gs(%)).pipe(%);
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