mirror of
https://github.com/Alfresco/alfresco-ng2-components.git
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43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
/*!
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* @license
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* Copyright 2016 Alfresco Software, Ltd.
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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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import { Pipe, PipeTransform } from '@angular/core';
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@Pipe({
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name: 'adfFileSize'
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})
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export class FileSizePipe implements PipeTransform {
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transform(bytes: number, decimals: number = 2): string {
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if (bytes == null || bytes === undefined) {
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return '';
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}
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if (bytes === 0) {
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return '0 Bytes';
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}
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const k = 1024,
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dm = decimals || 2,
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sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
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i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
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}
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}
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