73 строки
2.3 KiB
TypeScript
73 строки
2.3 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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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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import * as es from 'event-stream';
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import * as fancyLog from 'fancy-log';
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import * as ansiColors from 'ansi-colors';
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import * as File from 'vinyl';
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class Entry {
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constructor(readonly name: string, public totalCount: number, public totalSize: number) { }
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toString(pretty?: boolean): string {
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if (!pretty) {
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if (this.totalCount === 1) {
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return `${this.name}: ${this.totalSize} bytes`;
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} else {
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return `${this.name}: ${this.totalCount} files with ${this.totalSize} bytes`;
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}
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} else {
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if (this.totalCount === 1) {
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return `Stats for '${ansiColors.grey(this.name)}': ${Math.round(this.totalSize / 1204)}KB`;
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} else {
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const count = this.totalCount < 100
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? ansiColors.green(this.totalCount.toString())
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: ansiColors.red(this.totalCount.toString());
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return `Stats for '${ansiColors.grey(this.name)}': ${count} files, ${Math.round(this.totalSize / 1204)}KB`;
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}
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}
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}
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}
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const _entries = new Map<string, Entry>();
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export function createStatsStream(group: string, log?: boolean): es.ThroughStream {
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const entry = new Entry(group, 0, 0);
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_entries.set(entry.name, entry);
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return es.through(function (data) {
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const file = data as File;
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if (typeof file.path === 'string') {
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entry.totalCount += 1;
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if (Buffer.isBuffer(file.contents)) {
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entry.totalSize += file.contents.length;
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} else if (file.stat && typeof file.stat.size === 'number') {
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entry.totalSize += file.stat.size;
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} else {
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// funky file...
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}
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}
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this.emit('data', data);
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}, function () {
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if (log) {
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if (entry.totalCount === 1) {
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fancyLog(`Stats for '${ansiColors.grey(entry.name)}': ${Math.round(entry.totalSize / 1204)}KB`);
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} else {
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const count = entry.totalCount < 100
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? ansiColors.green(entry.totalCount.toString())
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: ansiColors.red(entry.totalCount.toString());
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fancyLog(`Stats for '${ansiColors.grey(entry.name)}': ${count} files, ${Math.round(entry.totalSize / 1204)}KB`);
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}
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}
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this.emit('end');
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});
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}
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