Function stringifyFn

lib/test/angular/1.6.7/angular.js:4227–4229

(fn)

var $injectorMinErr = minErr('$injector');

function stringifyFn(fn) {
  return Function.prototype.toString.call(fn);
}

function extractArgs(fn) {
  var fnText = stringifyFn(fn).replace(STRIP_COMMENTS, ''),