38 lines
922 B
JavaScript
38 lines
922 B
JavaScript
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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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* @param {string} source
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* @param {string} functionName
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* @param {Function} callback
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*/
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module.exports = function(source, functionName, callback) {
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styleSearch(
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{
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source,
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target: functionName,
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functionNames: 'check',
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},
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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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};
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