mirror of
https://github.com/zebrajr/react.git
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e8e62ebb59
* use different eslint config for es6 and es5 * remove confusing eslint/baseConfig.js & add more eslint setting for es5, es6 * more clear way to run eslint on es5 & es6 file * seperate ESNext, ES6, ES6 path, and use different lint config * rename eslint config file & update eslint rules * Undo yarn.lock changes * Rename a file * Remove unnecessary exceptions * Refactor a little bit * Refactor and tweak the logic * Minor issues
43 lines
1.0 KiB
JavaScript
43 lines
1.0 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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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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module.exports = function autoImporter(babel) {
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function getAssignIdent(path, file, state) {
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if (state.id) {
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return state.id;
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}
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state.id = file.addImport('object-assign', 'default', 'assign');
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return state.id;
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}
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return {
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pre: function() {
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// map from module to generated identifier
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this.id = null;
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},
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visitor: {
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CallExpression: function(path, file) {
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if (path.get('callee').matchesPattern('Object.assign')) {
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// generate identifier and require if it hasn't been already
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const id = getAssignIdent(path, file, this);
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path.node.callee = id;
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}
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},
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MemberExpression: function(path, file) {
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if (path.matchesPattern('Object.assign')) {
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const id = getAssignIdent(path, file, this);
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path.replaceWith(id);
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}
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},
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},
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};
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};
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