56 lines
1.7 KiB
JavaScript
56 lines
1.7 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 { definePatternSearchGenerator } = require("../utils")
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const iterateTargetChars = definePatternSearchGenerator(/[\u2028\u2029]/gu)
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module.exports = {
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meta: {
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docs: {
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description: "disallow `\\u2028` and `\\u2029` in string literals.",
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category: "ES2019",
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recommended: false,
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url:
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"http://mysticatea.github.io/eslint-plugin-es/rules/no-json-superset.html",
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},
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fixable: "code",
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messages: {
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forbidden: "ES2019 '\\u{{code}}' in string literals 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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const sourceCode = context.getSourceCode()
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return {
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Literal(node) {
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if (typeof node.value !== "string") {
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return
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}
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const offset = node.range[0]
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for (const { index } of iterateTargetChars(node.raw)) {
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const code = node.raw.codePointAt(index).toString(16)
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const loc = sourceCode.getLocFromIndex(offset + index)
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context.report({
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node,
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loc,
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messageId: "forbidden",
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data: { code },
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fix(fixer) {
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return fixer.replaceTextRange(
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[offset + index, offset + index + 1],
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`\\u${code}`
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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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}
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