46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
/**
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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 { getSourceCode } = require("eslint-compat-utils")
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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: "http://eslint-community.github.io/eslint-plugin-es-x/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"(program) {
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const sourceCode = getSourceCode(context)
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const scope = sourceCode.getScope(program)
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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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