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Diffstat (limited to '')
-rw-r--r-- | third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/preact/src/app/model.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/preact/src/app/model.js b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/preact/src/app/model.js new file mode 100644 index 0000000000..2c8aae1d51 --- /dev/null +++ b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/preact/src/app/model.js @@ -0,0 +1,54 @@ +import { uuid, store } from './util'; + +export default class TodoModel { + constructor(key, sub) { + this.key = key; + this.todos = store(key) || []; + this.onChanges = [sub]; + } + + inform() { + store(this.key, this.todos); + this.onChanges.forEach( cb => cb() ); + } + + addTodo(title) { + this.todos = this.todos.concat({ + id: uuid(), + title, + completed: false + }); + this.inform(); + } + + toggleAll(completed) { + this.todos = this.todos.map( + todo => ({ ...todo, completed }) + ); + this.inform(); + } + + toggle(todoToToggle) { + this.todos = this.todos.map( todo => ( + todo !== todoToToggle ? todo : ({ ...todo, completed: !todo.completed }) + ) ); + this.inform(); + } + + destroy(todo) { + this.todos = this.todos.filter( t => t !== todo ); + this.inform(); + } + + save(todoToSave, title) { + this.todos = this.todos.map( todo => ( + todo !== todoToSave ? todo : ({ ...todo, title }) + )); + this.inform(); + } + + clearCompleted() { + this.todos = this.todos.filter( todo => !todo.completed ); + this.inform(); + } +} |