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