From 46e43f4bde4a35785b4997b81e86cd19f046b69b Mon Sep 17 00:00:00 2001 From: Minteck Date: Tue, 21 Dec 2021 16:52:28 +0100 Subject: Commit --- .../es-abstract/2019/AddEntriesFromIterable.js | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 src/node_modules/es-abstract/2019/AddEntriesFromIterable.js (limited to 'src/node_modules/es-abstract/2019/AddEntriesFromIterable.js') diff --git a/src/node_modules/es-abstract/2019/AddEntriesFromIterable.js b/src/node_modules/es-abstract/2019/AddEntriesFromIterable.js new file mode 100644 index 0000000..5aed447 --- /dev/null +++ b/src/node_modules/es-abstract/2019/AddEntriesFromIterable.js @@ -0,0 +1,52 @@ +'use strict'; + +var inspect = require('object-inspect'); + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var Call = require('./Call'); +var Get = require('./Get'); +var GetIterator = require('./GetIterator'); +var IsCallable = require('./IsCallable'); +var IteratorClose = require('./IteratorClose'); +var IteratorStep = require('./IteratorStep'); +var IteratorValue = require('./IteratorValue'); +var Type = require('./Type'); + +// https://tc39.es/ecma262/#sec-add-entries-from-iterable + +module.exports = function AddEntriesFromIterable(target, iterable, adder) { + if (!IsCallable(adder)) { + throw new $TypeError('Assertion failed: `adder` is not callable'); + } + if (iterable == null) { + throw new $TypeError('Assertion failed: `iterable` is present, and not nullish'); + } + var iteratorRecord = GetIterator(iterable); + while (true) { // eslint-disable-line no-constant-condition + var next = IteratorStep(iteratorRecord); + if (!next) { + return target; + } + var nextItem = IteratorValue(next); + if (Type(nextItem) !== 'Object') { + var error = new $TypeError('iterator next must return an Object, got ' + inspect(nextItem)); + return IteratorClose( + iteratorRecord, + function () { throw error; } // eslint-disable-line no-loop-func + ); + } + try { + var k = Get(nextItem, '0'); + var v = Get(nextItem, '1'); + Call(adder, target, [k, v]); + } catch (e) { + return IteratorClose( + iteratorRecord, + function () { throw e; } + ); + } + } +}; -- cgit