60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("../utils");
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const regex_syntax_1 = require("../utils/regex-syntax");
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exports.default = (0, utils_1.createRule)("no-octal", {
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meta: {
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docs: {
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description: "disallow octal escape sequence",
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category: "Best Practices",
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recommended: false,
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},
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schema: [],
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messages: {
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unexpected: "Unexpected octal escape sequence '{{expr}}'.",
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replaceHex: "Replace the octal escape sequence with a hexadecimal escape sequence.",
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},
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type: "suggestion",
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hasSuggestions: true,
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},
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create(context) {
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function createVisitor({ node, fixReplaceNode, getRegexpLocation, }) {
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return {
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onCharacterEnter(cNode) {
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if (cNode.raw === "\\0") {
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return;
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}
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if (!(0, regex_syntax_1.isOctalEscape)(cNode.raw)) {
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return;
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}
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const report = cNode.raw.startsWith("\\0") ||
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!(cNode.parent.type === "CharacterClass" ||
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cNode.parent.type === "CharacterClassRange");
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if (report) {
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context.report({
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node,
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loc: getRegexpLocation(cNode),
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messageId: "unexpected",
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data: {
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expr: cNode.raw,
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},
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suggest: [
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{
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messageId: "replaceHex",
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fix: fixReplaceNode(cNode, () => {
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return `\\x${cNode.value
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.toString(16)
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.padStart(2, "0")}`;
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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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return (0, utils_1.defineRegexpVisitor)(context, {
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createVisitor,
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});
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},
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});
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