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34 lines
880 B
JavaScript
34 lines
880 B
JavaScript
/* @flow */
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"use strict"
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const balancedMatch = require("balanced-match")
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const styleSearch = require("style-search")
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/**
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* Search a CSS string for functions by name.
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* For every match, invoke the callback, passing the function's
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* "argument(s) string" (whatever is inside the parentheses)
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* as an argument.
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*
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* Callback will be called once for every matching function found,
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* with the function's "argument(s) string" and its starting index
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* as the arguments.
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*/
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module.exports = function (
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source/*: string*/,
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functionName/*: string*/,
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callback/*: Function*/
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) {
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styleSearch({
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source,
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target: functionName,
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functionNames: "check",
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}, match => {
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if (source[match.endIndex] !== "(") {
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return
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}
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const parensMatch = balancedMatch("(", ")", source.substr(match.startIndex))
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callback(parensMatch.body, match.endIndex + 1)
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})
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}
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