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Contents
/**
* @author Toru Nagashima <https://github.com/mysticatea>
* See LICENSE file in root directory for full license.
*/
"use strict"
const {
CALL,
CONSTRUCT,
PatternMatcher,
ReferenceTracker,
getStringIfConstant,
} = require("eslint-utils")
module.exports = {
/**
* Define generator to search pattern.
* The iterator generated by the generator returns the start and end index of the match.
* @param {RegExp} pattern Base pattern
* @returns {function(string):IterableIterator<RegExpExecArray>} generator
*/
definePatternSearchGenerator(pattern) {
const matcher = new PatternMatcher(pattern)
return matcher.execAll.bind(matcher)
},
/**
* Check whether a given token is a comma token or not.
* @param {Token} token The token to check.
* @returns {boolean} `true` if the token is a comma token.
*/
isCommaToken(token) {
return (
token != null && token.type === "Punctuator" && token.value === ","
)
},
/**
* Iterate the calls of the `RegExp` global variable.
* @param {Scope} globalScope The global scope object.
* @returns {IterableIterator<{node:Node,pattern:(string|null),flags:(string|null)}>} The iterator of `CallExpression` or `NewExpression` for `RegExp`.
*/
*getRegExpCalls(globalScope) {
const tracker = new ReferenceTracker(globalScope)
for (const { node } of tracker.iterateGlobalReferences({
RegExp: { [CALL]: true, [CONSTRUCT]: true },
})) {
const [patternNode, flagsNode] = node.arguments
yield {
node,
pattern: getStringIfConstant(patternNode, globalScope),
flags: getStringIfConstant(flagsNode, globalScope),
}
}
},
}
Version data entries
44 entries across 44 versions & 2 rubygems