55 lines
518 B
JavaScript
55 lines
518 B
JavaScript
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class DataMap {
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constructor() {
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this.data = new WeakMap();
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}
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get( object ) {
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let map = this.data.get( object );
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if ( map === undefined ) {
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map = {};
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this.data.set( object, map );
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}
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return map;
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}
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delete( object ) {
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let map;
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if ( this.data.has( object ) ) {
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map = this.data.get( object );
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this.data.delete( object );
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}
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return map;
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}
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has( object ) {
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return this.data.has( object );
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}
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dispose() {
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this.data = new WeakMap();
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}
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}
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export default DataMap;
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