66 lines
2 KiB
JavaScript
66 lines
2 KiB
JavaScript
/**
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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 { defineRegExpHandler } = require("../util/define-regexp-handler")
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const {
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scNameSet,
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scValueSets,
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binPropertySets,
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} = require("../util/unicode-properties")
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function isNewUnicodePropertyKeyValuePair(key, value) {
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return scNameSet.has(key) && scValueSets.es2019.has(value)
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}
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function isNewBinaryUnicodeProperty(key) {
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return binPropertySets.es2019.has(key)
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}
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module.exports = {
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meta: {
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docs: {
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description:
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"disallow the new values of RegExp Unicode property escape sequences in ES2019",
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category: "ES2019",
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recommended: false,
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url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-regexp-unicode-property-escapes-2019.html",
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},
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fixable: null,
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messages: {
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forbidden: "ES2019 '{{value}}' 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 defineRegExpHandler(context, (node, { pattern }) => {
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let foundValue = ""
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return {
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onUnicodePropertyCharacterSet(start, end, _kind, key, value) {
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if (foundValue) {
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return
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}
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if (
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value
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? isNewUnicodePropertyKeyValuePair(key, value)
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: isNewBinaryUnicodeProperty(key)
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) {
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foundValue = pattern.slice(start, end)
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}
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},
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onExit() {
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if (foundValue) {
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context.report({
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node,
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messageId: "forbidden",
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data: { value: foundValue },
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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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}
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