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Check for createElement being called from React #1011

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merged 3 commits into from Jan 29, 2017
Merged

Check for createElement being called from React #1011

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c6264d0
Check for createElement being called from React
jomasti Jan 2, 2017
47405b4
Add check for destructured createElement
jomasti Jan 2, 2017
9b88474
Clean up variable utils and add more tests
jomasti Jan 2, 2017
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2 changes: 2 additions & 0 deletions lib/util/Components.js
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Expand Up @@ -258,6 +258,8 @@ function componentRule(rule, context) {
var returnsReactCreateElement =
node[property] &&
node[property].callee &&
node[property].callee.object &&
node[property].callee.object.name === 'React' &&
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won't this prevent import { createElement } from 'react'; from being detected?

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You're right. I found a way to check for this by using the ModuleScope of the Variable when importing createElement like that. However, it involves using Map, and it doesn't seem like I can get away with that with the project setup.

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I'll just temporarily add in a disable comment so I can feel good about pushing it up. I'll remove it after receiving feedback.

node[property].callee.property &&
node[property].callee.property.name === 'createElement'
;
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7 changes: 7 additions & 0 deletions tests/lib/rules/display-name.js
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Expand Up @@ -378,6 +378,13 @@ ruleTester.run('display-name', rule, {
')'
].join('\n'),
parser: 'babel-eslint'
}, {
code: [
'module.exports = {',
' createElement: tagName => document.createElement(tagName)',
'};'
].join('\n'),
parser: 'babel-eslint'
}],

invalid: [{
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