30 lines
658 B
JavaScript
30 lines
658 B
JavaScript
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/**
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* @flow
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*/
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export default class ReferenceBase {
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path: string;
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constructor(path: string) {
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if (path) {
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this.path =
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path.length > 1 && path.endsWith('/')
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? path.substring(0, path.length - 1)
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: path;
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} else {
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this.path = '/';
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}
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}
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/**
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* The last part of a Reference's path (after the last '/')
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* The key of a root Reference is null.
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* @type {String}
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* {@link https://firebase.google.com/docs/reference/js/firebase.database.Reference#key}
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*/
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get key(): string | null {
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return this.path === '/'
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? null
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: this.path.substring(this.path.lastIndexOf('/') + 1);
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}
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}
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