46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
'use strict';
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var utils = require('../utils.js');
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require('eslint-visitor-keys');
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require('espree');
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require('estraverse');
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var wrapRegex = utils.createRule({
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name: "wrap-regex",
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package: "js",
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meta: {
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type: "layout",
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docs: {
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description: "Require parenthesis around regex literals"
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},
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schema: [],
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fixable: "code",
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messages: {
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requireParens: "Wrap the regexp literal in parens to disambiguate the slash."
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}
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},
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create(context) {
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const sourceCode = context.sourceCode;
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return {
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Literal(node) {
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const token = sourceCode.getFirstToken(node);
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const nodeType = token.type;
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if (nodeType === "RegularExpression") {
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const beforeToken = sourceCode.getTokenBefore(node);
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const afterToken = sourceCode.getTokenAfter(node);
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const { parent } = node;
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if (parent.type === "MemberExpression" && parent.object === node && !(beforeToken && beforeToken.value === "(" && afterToken && afterToken.value === ")")) {
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context.report({
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node,
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messageId: "requireParens",
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fix: (fixer) => fixer.replaceText(node, `(${sourceCode.getText(node)})`)
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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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module.exports = wrapRegex;
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