Files
react-native-devtools-frontend/node_modules/core-js-pure/modules/esnext.map.update.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

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;
}
});