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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-05-24 13:50:34 -0400
committerGitHub <noreply@github.com>2020-05-24 13:50:34 -0400
commit66e1185686f98f1cc4493298b5b1d4e0be7d826a (patch)
tree7d67a8bbbfd3d32235dcc5fbfe94c34e61132f3e /ext/mixed/js/task-accumulator.js
parentc800444a0d4aa0177242da51e0f9716ebe882587 (diff)
Settings binder (#542)
* Fix _modifySetting being async * Return values for modifySettings's set and splice actions * Add apiGetSettings * Create a class which can accumulate tasks to run in bulk * Create a class which binds input elements to customizable sources * Create class which binds input elements to settings * Add support for value transforms * Remove redundant ObjectPropertyAccessor.getPathArray * Fix not using correct types for input.min/max/step * Fix wrong condition * Use api object
Diffstat (limited to 'ext/mixed/js/task-accumulator.js')
-rw-r--r--ext/mixed/js/task-accumulator.js81
1 files changed, 81 insertions, 0 deletions
diff --git a/ext/mixed/js/task-accumulator.js b/ext/mixed/js/task-accumulator.js
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+/*
+ * Copyright (C) 2020 Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+class TaskAccumulator {
+ constructor(runTasks) {
+ this._deferPromise = null;
+ this._activePromise = null;
+ this._tasks = [];
+ this._tasksActive = [];
+ this._uniqueTasks = new Map();
+ this._uniqueTasksActive = new Map();
+ this._runTasksBind = this._runTasks.bind(this);
+ this._tasksCompleteBind = this._tasksComplete.bind(this);
+ this._runTasks = runTasks;
+ }
+
+ enqueue(key, data) {
+ if (this._deferPromise === null) {
+ const promise = this._activePromise !== null ? this._activePromise : Promise.resolve();
+ this._deferPromise = promise.then(this._runTasksBind);
+ }
+
+ const task = {data, stale: false};
+ if (key !== null) {
+ const activeTaskInfo = this._uniqueTasksActive.get(key);
+ if (typeof activeTaskInfo !== 'undefined') {
+ activeTaskInfo.stale = true;
+ }
+
+ this._uniqueTasks.set(key, task);
+ } else {
+ this._tasks.push(task);
+ }
+
+ return this._deferPromise;
+ }
+
+ _runTasks() {
+ this._deferPromise = null;
+
+ // Swap
+ [this._tasks, this._tasksActive] = [this._tasksActive, this._tasks];
+ [this._uniqueTasks, this._uniqueTasksActive] = [this._uniqueTasksActive, this._uniqueTasks];
+
+ const promise = this._runTasksAsync();
+ this._activePromise = promise.then(this._tasksCompleteBind);
+ return this._activePromise;
+ }
+
+ async _runTasksAsync() {
+ try {
+ const allTasks = [
+ ...this._tasksActive.map((taskInfo) => [null, taskInfo]),
+ ...this._uniqueTasksActive.entries()
+ ];
+ await this._runTasks(allTasks);
+ } catch (e) {
+ yomichan.logError(e);
+ }
+ }
+
+ _tasksComplete() {
+ this._tasksActive.length = 0;
+ this._uniqueTasksActive.clear();
+ this._activePromise = null;
+ }
+}