42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
/*
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Copyright 2017 Jeremy Scheff
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Copyright 2019 Florian Dold
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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or implied. See the License for the specific language governing
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permissions and limitations under the License.
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*/
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import { IDBKeyPath } from "../idbtypes.js";
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export function normalizeKeyPath(
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keyPath: IDBKeyPath | IDBKeyPath[],
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): string | string[] {
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if (Array.isArray(keyPath)) {
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const path: string[] = [];
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for (let item of keyPath) {
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// This doesn't make sense to me based on the spec, but it is needed to pass the W3C KeyPath tests (see same
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// comment in validateKeyPath)
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if (
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item !== undefined &&
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item !== null &&
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typeof item !== "string" &&
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(item as any).toString
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) {
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item = (item as any).toString();
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}
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path.push(item);
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}
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return path;
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}
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return keyPath;
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}
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