core-js/internals/schedulers-fix.js

'use strict';
var global = require('../internals/global');
var apply = require('../internals/function-apply');
var isCallable = require('../internals/is-callable');
var ENGINE_IS_BUN = require('../internals/engine-is-bun');
var USER_AGENT = require('../internals/engine-user-agent');
var arraySlice = require('../internals/array-slice');
var validateArgumentsLength = require('../internals/validate-arguments-length');

var Function = global.Function;
// dirty IE9- and Bun 0.3.0- checks
var WRAP = /MSIE .\./.test(USER_AGENT) || ENGINE_IS_BUN && (function () {
  var version = global.Bun.version.split('.');
  return version.length < 3 || version[0] === '0' && (version[1] < 3 || version[1] === '3' && version[2] === '0');
})();

// IE9- / Bun 0.3.0- setTimeout / setInterval / setImmediate additional parameters fix
// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
// https://github.com/oven-sh/bun/issues/1633
module.exports = function (scheduler, hasTimeArg) {
  var firstParamIndex = hasTimeArg ? 2 : 1;
  return WRAP ? function (handler, timeout /* , ...arguments */) {
    var boundArgs = validateArgumentsLength(arguments.length, 1) > firstParamIndex;
    var fn = isCallable(handler) ? handler : Function(handler);
    var params = boundArgs ? arraySlice(arguments, firstParamIndex) : [];
    var callback = boundArgs ? function () {
      apply(fn, this, params);
    } : fn;
    return hasTimeArg ? scheduler(callback, timeout) : scheduler(callback);
  } : scheduler;
};