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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 20x 20x 20x 20x 73x 73x 73x 20x | var COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/gm; var DEFAULT_PARAMS = /=[^,]+/gm; var FAT_ARROWS = /=>.*$/gm; export function getParameterNames(fn: Function): string[] { var code = fn .toString() .replace(COMMENTS, '') .replace(FAT_ARROWS, '') .replace(DEFAULT_PARAMS, ''); var result = code .slice(code.indexOf('(') + 1, code.indexOf(')')) .match(/([^\s,]+)/g); return result === null ? [] : result; } |