wehub-resource-sync
44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import fs from 'node:fs';
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import path from 'node:path';
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import zlib from 'node:zlib';
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/**
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* Reads a gzipped JSON file, decompresses it, parses the JSON,
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* and returns a Uint8Array buffer of the parsed data.
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* @param filePath The path to the .json.gz file.
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* @returns A Uint8Array containing the stringified JSON data.
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*/
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export function loadTraceAsBuffer(filePath: string): Uint8Array {
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try {
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const compressedData = fs.readFileSync(
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path.join(
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import.meta.dirname,
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// Get back up to the root directory as fixtures aren't moved ito the build/ dir.
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'..',
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'..',
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'..',
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'..',
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'tests',
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'trace-processing',
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'fixtures',
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filePath,
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),
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);
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const decompressedData = zlib.gunzipSync(compressedData);
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const jsonString = decompressedData.toString('utf-8');
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const jsonObject = JSON.parse(jsonString);
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const finalBuffer = Buffer.from(JSON.stringify(jsonObject));
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const uint8Array = new Uint8Array(finalBuffer);
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return uint8Array;
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} catch (error) {
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console.error('Error parsing the file:', error);
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throw error;
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}
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}
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