27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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class HierarchicalKind {
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static { this.sep = '.'; }
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static { this.None = new HierarchicalKind('@@none@@'); } // Special kind that matches nothing
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static { this.Empty = new HierarchicalKind(''); }
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constructor(value) {
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this.value = value;
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}
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equals(other) {
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return this.value === other.value;
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}
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contains(other) {
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return this.equals(other) || this.value === '' || other.value.startsWith(this.value + HierarchicalKind.sep);
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}
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intersects(other) {
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return this.contains(other) || other.contains(this);
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}
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append(...parts) {
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return new HierarchicalKind((this.value ? [this.value, ...parts] : parts).join(HierarchicalKind.sep));
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}
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}
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export { HierarchicalKind };
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