Constnium/node_modules/eslint-plugin-es/lib/rules/no-json-superset.js
2022-06-23 02:27:43 +02:00

55 lines
1.7 KiB
JavaScript

/**
* @author Toru Nagashima <https://github.com/mysticatea>
* See LICENSE file in root directory for full license.
*/
"use strict"
const { definePatternSearchGenerator } = require("../utils")
const iterateTargetChars = definePatternSearchGenerator(/[\u2028\u2029]/gu)
module.exports = {
meta: {
docs: {
description: "disallow `\\u2028` and `\\u2029` in string literals.",
category: "ES2019",
recommended: false,
url:
"http://mysticatea.github.io/eslint-plugin-es/rules/no-json-superset.html",
},
fixable: "code",
messages: {
forbidden: "ES2019 '\\u{{code}}' in string literals is forbidden.",
},
schema: [],
type: "problem",
},
create(context) {
const sourceCode = context.getSourceCode()
return {
Literal(node) {
if (typeof node.value !== "string") {
return
}
const offset = node.range[0]
for (const { index } of iterateTargetChars(node.raw)) {
const code = node.raw.codePointAt(index).toString(16)
const loc = sourceCode.getLocFromIndex(offset + index)
context.report({
node,
loc,
messageId: "forbidden",
data: { code },
fix(fixer) {
return fixer.replaceTextRange(
[offset + index, offset + index + 1],
`\\u${code}`
)
},
})
}
},
}
},
}