| Path : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/ |
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/esnext.iterator.zip.js |
'use strict';
var $ = require('../internals/export');
var anObject = require('../internals/an-object');
var anObjectOrUndefined = require('../internals/an-object-or-undefined');
var call = require('../internals/function-call');
var uncurryThis = require('../internals/function-uncurry-this');
var getIteratorRecord = require('../internals/get-iterator-record');
var getIteratorFlattenable = require('../internals/get-iterator-flattenable');
var getModeOption = require('../internals/get-mode-option');
var iteratorClose = require('../internals/iterator-close');
var iteratorCloseAll = require('../internals/iterator-close-all');
var iteratorZip = require('../internals/iterator-zip');
var IS_PURE = require('../internals/is-pure');
var concat = uncurryThis([].concat);
var push = uncurryThis([].push);
var THROW = 'throw';
// `Iterator.zip` method
// https://github.com/tc39/proposal-joint-iteration
$({ target: 'Iterator', stat: true, forced: IS_PURE }, {
zip: function zip(iterables /* , options */) {
anObject(iterables);
var options = arguments.length > 1 ? anObjectOrUndefined(arguments[1]) : undefined;
var mode = getModeOption(options);
var paddingOption = mode === 'longest' ? anObjectOrUndefined(options && options.padding) : undefined;
var iters = [];
var padding = [];
var inputIter = getIteratorRecord(iterables);
var iter, done, next;
while (!done) {
try {
next = anObject(call(inputIter.next, inputIter.iterator));
done = next.done;
} catch (error) {
return iteratorCloseAll(iters, THROW, error);
}
if (!done) {
try {
iter = getIteratorFlattenable(next.value, false);
} catch (error) {
return iteratorCloseAll(concat([inputIter], iters), THROW, error);
}
push(iters, iter);
}
}
var iterCount = iters.length;
var i, paddingDone, paddingIter;
if (mode === 'longest') {
if (paddingOption === undefined) {
for (i = 0; i < iterCount; i++) push(padding, undefined);
} else {
try {
paddingIter = getIteratorRecord(paddingOption);
} catch (error) {
return iteratorCloseAll(iters, THROW, error);
}
var usingIterator = true;
for (i = 0; i < iterCount; i++) {
if (usingIterator) {
try {
next = anObject(call(paddingIter.next, paddingIter.iterator));
paddingDone = next.done;
next = next.value;
} catch (error) {
return iteratorCloseAll(iters, THROW, error);
}
if (paddingDone) {
usingIterator = false;
} else {
push(padding, next);
}
} else {
push(padding, undefined);
}
}
if (usingIterator) {
try {
iteratorClose(paddingIter.iterator, 'normal');
} catch (error) {
return iteratorCloseAll(iters, THROW, error);
}
}
}
}
return iteratorZip(iters, mode, padding);
}
});