| Path : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/internals/ |
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/internals/iterate.js |
'use strict';
var bind = require('../internals/function-bind-context');
var call = require('../internals/function-call');
var anObject = require('../internals/an-object');
var tryToString = require('../internals/try-to-string');
var isArrayIteratorMethod = require('../internals/is-array-iterator-method');
var lengthOfArrayLike = require('../internals/length-of-array-like');
var isPrototypeOf = require('../internals/object-is-prototype-of');
var getIterator = require('../internals/get-iterator');
var getIteratorMethod = require('../internals/get-iterator-method');
var iteratorClose = require('../internals/iterator-close');
var $TypeError = TypeError;
var Result = function (stopped, result) {
this.stopped = stopped;
this.result = result;
};
var ResultPrototype = Result.prototype;
module.exports = function (iterable, unboundFunction, options) {
var that = options && options.that;
var AS_ENTRIES = !!(options && options.AS_ENTRIES);
var IS_RECORD = !!(options && options.IS_RECORD);
var IS_ITERATOR = !!(options && options.IS_ITERATOR);
var INTERRUPTED = !!(options && options.INTERRUPTED);
var fn = bind(unboundFunction, that);
var iterator, iterFn, index, length, result, next, step;
var stop = function (condition) {
var $iterator = iterator;
iterator = undefined;
if ($iterator) iteratorClose($iterator, 'normal');
return new Result(true, condition);
};
var callFn = function (value) {
if (AS_ENTRIES) {
anObject(value);
return INTERRUPTED ? fn(value[0], value[1], stop) : fn(value[0], value[1]);
} return INTERRUPTED ? fn(value, stop) : fn(value);
};
if (IS_RECORD) {
iterator = iterable.iterator;
} else if (IS_ITERATOR) {
iterator = iterable;
} else {
iterFn = getIteratorMethod(iterable);
if (!iterFn) throw new $TypeError(tryToString(iterable) + ' is not iterable');
// optimisation for array iterators
if (isArrayIteratorMethod(iterFn)) {
for (index = 0, length = lengthOfArrayLike(iterable); length > index; index++) {
result = callFn(iterable[index]);
if (result && isPrototypeOf(ResultPrototype, result)) return result;
} return new Result(false);
}
iterator = getIterator(iterable, iterFn);
}
next = IS_RECORD ? iterable.next : iterator.next;
while (!(step = call(next, iterator)).done) {
// `IteratorValue` errors should propagate without closing the iterator
var value = step.value;
try {
result = callFn(value);
} catch (error) {
if (iterator) iteratorClose(iterator, 'throw', error);
else throw error;
}
if (typeof result == 'object' && result && isPrototypeOf(ResultPrototype, result)) return result;
} return new Result(false);
};