28 lines
760 B
JavaScript
28 lines
760 B
JavaScript
'use strict';
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module.exports = (context, badBrowser) => ({
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'Literal[regex]'(node) {
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if (node.regex.flags.includes('v')) {
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context.report(node, `RegExp "v" flag is not supported in ${badBrowser}`)
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}
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},
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'CallExpression[callee.name="RegExp"], NewExpression[callee.name="RegExp"]'(node) {
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const [, flags] = node.arguments;
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if (
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flags &&
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(
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(
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flags.type === 'Literal' &&
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typeof flags.value === 'string' &&
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flags.value.includes('v')
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) ||
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(
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flags.type === 'TemplateLiteral' &&
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flags.quasis.some(({value: {raw}}) => raw.includes('v'))
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)
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)
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) {
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context.report(node, `RegExp "v" flag is not supported in ${badBrowser}`)
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}
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}
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})
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