mirror of
https://github.com/microsoft/playwright.git
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Devin Rousso
23 lines
853 B
TypeScript
23 lines
853 B
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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export function base64ByteLength(data: string): number {
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if (!data)
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return 0;
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const padding = (data[data.length - 2] === '=') ? 2 : ((data[data.length - 1] === '=') ? 1 : 0);
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return Math.max(0, Math.floor(data.length * 3 / 4) - padding);
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}
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