eric sciple
44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Minifies JSON files by removing whitespace.
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*
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* Usage: node script/minify-json.js <file1.json> <file2.json> ...
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*
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* For each input file, creates a corresponding .min.json file.
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* Example: src/data.json -> src/data.min.json
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*/
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import {promises as fs} from "fs";
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import path from "path";
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const files = process.argv.slice(2);
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if (files.length === 0) {
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console.error("Usage: node script/minify-json.js <file1.json> <file2.json> ...");
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process.exit(1);
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}
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for (const file of files) {
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try {
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const content = await fs.readFile(file, "utf8");
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const data = JSON.parse(content);
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const minified = JSON.stringify(data);
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// Replace .json with .min.json
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const ext = path.extname(file);
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const outputFile = file.slice(0, -ext.length) + ".min" + ext;
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await fs.writeFile(outputFile, minified);
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const originalSize = Buffer.byteLength(content, "utf8");
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const minifiedSize = Buffer.byteLength(minified, "utf8");
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const savings = ((1 - minifiedSize / originalSize) * 100).toFixed(1);
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console.log(`${file} -> ${outputFile} (${savings}% smaller)`);
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} catch (err) {
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console.error(`Error processing ${file}:`, err);
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process.exit(1);
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}
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}
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