mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-01 09:47:56 +08:00
Tim van der Lippe
efb716af67
- Updates stylelint to 13.8.0 - Updates ESLint to 7.14.0 - Updates @typescript-eslint to 4.9.0 DISABLE_THIRD_PARTY_CHECK=NPM update R=jacktfranklin@chromium.org Change-Id: I207e204607ede782710e042c17d6510c7f696905 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2566806 Reviewed-by: Jack Franklin <jacktfranklin@chromium.org> Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
23 lines
471 B
JavaScript
23 lines
471 B
JavaScript
'use strict';
|
|
|
|
/**
|
|
* If `map` already has the given `key`, returns its value. Otherwise, calls
|
|
* `callback`, adds the result to `map` at `key`, and then returns it.
|
|
*
|
|
* @template K
|
|
* @template V
|
|
* @param {Map<K, V>} map
|
|
* @param {K} key
|
|
* @param {() => V} callback
|
|
* @returns {V}
|
|
*/
|
|
module.exports = function (map, key, callback) {
|
|
if (map.has(key)) return /** @type {V} */ (map.get(key));
|
|
|
|
const value = callback();
|
|
|
|
map.set(key, value);
|
|
|
|
return value;
|
|
};
|