1 | const {docsUrl} = require('../utilities');
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2 |
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3 | const CONDITIONAL_EXPRESSION_WARNING = [
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4 | 'Don’t use conditional expressions inside JSX;',
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5 | 'they generally make your component harder to read.',
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6 | 'Instead, break that expression out into its own variable,',
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7 | 'and include the variable in JSX.',
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8 | ].join(' ');
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9 |
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10 | module.exports = {
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11 | meta: {
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12 | docs: {
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13 | description: 'Disallow complex expressions embedded in in JSX.',
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14 | category: 'Best Practices',
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15 | recommended: true,
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16 | uri: docsUrl('jsx-no-complex-expressions'),
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17 | },
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18 | schema: [],
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19 | },
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20 |
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21 | create(context) {
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22 | return {
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23 | JSXExpressionContainer(node) {
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24 | if (node.expression.type === 'ConditionalExpression') {
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25 | context.report(node, CONDITIONAL_EXPRESSION_WARNING);
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26 | }
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27 | },
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28 | };
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29 | },
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30 | };
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