mirror of
https://github.com/facebook/react.git
synced 2026-02-25 13:13:03 +00:00
68 lines
2.1 KiB
JavaScript
68 lines
2.1 KiB
JavaScript
/**
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* Copyright 2013 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*global exports:true*/
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"use strict";
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var Syntax = require('esprima').Syntax;
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var catchup = require('../lib/utils').catchup;
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var append = require('../lib/utils').append;
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var getDocblock = require('../lib/utils').getDocblock;
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/**
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* Transforms the following:
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*
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* var MyComponent = React.createClass({
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* render: ...
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* });
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*
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* into:
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*
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* var MyComponent = React.createClass({
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* displayName: 'MyComponent',
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* render: ...
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* });
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*/
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function visitReactDisplayName(traverse, object, path, state) {
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object.declarations.forEach(function(dec) {
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if (dec.type === Syntax.VariableDeclarator &&
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dec.id.type === Syntax.Identifier &&
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dec.init &&
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dec.init.type === Syntax.CallExpression &&
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dec.init.callee.type === Syntax.MemberExpression &&
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dec.init.callee.object.type === Syntax.Identifier &&
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dec.init.callee.object.name === 'React' &&
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dec.init.callee.property.type === Syntax.Identifier &&
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dec.init.callee.property.name === 'createClass' &&
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dec.init['arguments'].length === 1 &&
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dec.init['arguments'][0].type === Syntax.ObjectExpression) {
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var displayName = dec.id.name;
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catchup(dec.init['arguments'][0].range[0] + 1, state);
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append("displayName: '" + displayName + "',", state);
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}
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});
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}
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/**
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* Will only run on @jsx files for now.
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*/
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visitReactDisplayName.test = function(object, path, state) {
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return object.type === Syntax.VariableDeclaration && !!getDocblock(state).jsx;
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};
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exports.visitReactDisplayName = visitReactDisplayName;
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