mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-01 01:38:07 +08:00
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>
23 lines
815 B
JavaScript
23 lines
815 B
JavaScript
'use strict';
|
|
var $ = require('../internals/export');
|
|
var IS_PURE = require('../internals/is-pure');
|
|
var anObject = require('../internals/an-object');
|
|
var aFunction = require('../internals/a-function');
|
|
|
|
// `Set.prototype.update` method
|
|
// https://github.com/tc39/proposal-collection-methods
|
|
$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
|
|
update: function update(key, callback /* , thunk */) {
|
|
var map = anObject(this);
|
|
var length = arguments.length;
|
|
aFunction(callback);
|
|
var isPresentInMap = map.has(key);
|
|
if (!isPresentInMap && length < 3) {
|
|
throw TypeError('Updating absent value');
|
|
}
|
|
var value = isPresentInMap ? map.get(key) : aFunction(length > 2 ? arguments[2] : undefined)(key, map);
|
|
map.set(key, callback(value, key, map));
|
|
return map;
|
|
}
|
|
});
|