Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 244x 244x 244x 244x 244x 244x 244x 244x 244x 244x 244x | // Originally from https://github.com/goatslacker/get-parameter-names
/**
* @hidden
*/
let COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
/**
* @hidden
*/
let DEFAULT_PARAMS = /=[^,)]+/mg;
/**
* @hidden
*/
let FAT_ARROWS = /=>.*$/mg;
/**
* @hidden
*/
let SPACES = /\s/mg;
/**
* @hidden
*/
let BEFORE_OPENING_PAREN = /^[^(]*\(/mg;
/**
* @hidden
*/
let AFTER_CLOSING_PAREN = /^([^)]*)\).*$/mg;
/**
* Get the names of the parameters of the given function.
* @param fn
*/
export function getParameterNames(fn): string[] {
let code = fn.toString()
.replace(SPACES, '')
.replace(COMMENTS, '')
.replace(FAT_ARROWS, '')
.replace(DEFAULT_PARAMS, '')
.replace(BEFORE_OPENING_PAREN, '')
.replace(AFTER_CLOSING_PAREN, '$1');
return code ? code.split(',') : [];
}
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