47 lines
994 B
JavaScript
47 lines
994 B
JavaScript
import eventHub from '../../eventhub';
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import Disposable from './disposable';
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import Model from './model';
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export default class ModelManager {
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constructor() {
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this.disposable = new Disposable();
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this.models = new Map();
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}
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hasCachedModel(key) {
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return this.models.has(key);
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}
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getModel(key) {
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return this.models.get(key);
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}
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addModel(file, head = null) {
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if (this.hasCachedModel(file.key)) {
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return this.getModel(file.key);
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}
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const model = new Model(file, head);
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this.models.set(model.path, model);
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this.disposable.add(model);
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eventHub.$on(
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`editor.update.model.dispose.${file.key}`,
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this.removeCachedModel.bind(this, file),
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);
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return model;
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}
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removeCachedModel(file) {
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this.models.delete(file.key);
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eventHub.$off(`editor.update.model.dispose.${file.key}`, this.removeCachedModel);
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}
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dispose() {
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// dispose of all the models
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this.disposable.dispose();
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this.models.clear();
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}
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}
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