Files
react-native-devtools-frontend/node_modules/core-js-pure/internals/collection-from.js
T
Tim van der Lippe 1fe7f95b0e Add eslint-plugin-lit-a11y to manage_node_deps
This also adds the MPL-2.0 license as valid license to our allowed
licenses list.

R=jacktfranklin@chromium.org
DISABLE_THIRD_PARTY_CHECK=NPM update

Change-Id: I2a3bee2ffc0b328a0579ab62ab27f938bdc876c8
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2593130
Commit-Queue: Jack Franklin <jacktfranklin@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
2021-01-05 13:13:19 +00:00

27 lines
852 B
JavaScript

'use strict';
// https://tc39.github.io/proposal-setmap-offrom/
var aFunction = require('../internals/a-function');
var bind = require('../internals/function-bind-context');
var iterate = require('../internals/iterate');
module.exports = function from(source /* , mapFn, thisArg */) {
var length = arguments.length;
var mapFn = length > 1 ? arguments[1] : undefined;
var mapping, array, n, boundFunction;
aFunction(this);
mapping = mapFn !== undefined;
if (mapping) aFunction(mapFn);
if (source == undefined) return new this();
array = [];
if (mapping) {
n = 0;
boundFunction = bind(mapFn, length > 2 ? arguments[2] : undefined, 2);
iterate(source, function (nextItem) {
array.push(boundFunction(nextItem, n++));
});
} else {
iterate(source, array.push, { that: array });
}
return new this(array);
};