45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
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/**
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* @author Toru Nagashima <https://github.com/mysticatea>
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const { getRegExpCalls } = require("../utils")
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module.exports = {
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meta: {
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docs: {
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description: "disallow RegExp `u` flag.",
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category: "ES2015",
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recommended: false,
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url:
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"http://mysticatea.github.io/eslint-plugin-es/rules/no-regexp-u-flag.html",
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},
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fixable: null,
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messages: {
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forbidden: "ES2015 RegExp 'u' flag is forbidden.",
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},
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schema: [],
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type: "problem",
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},
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create(context) {
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return {
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"Literal[regex]"(node) {
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if (node.regex.flags.includes("u")) {
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context.report({ node, messageId: "forbidden" })
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}
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},
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"Program:exit"() {
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const scope = context.getScope()
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for (const { node, flags } of getRegExpCalls(scope)) {
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if (flags && flags.includes("u")) {
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context.report({ node, messageId: "forbidden" })
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}
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}
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},
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}
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},
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}
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