chore: More CI debugging

Author: rschristian

package-lock.json

@@ -15,7 +15,10 @@
     "@babel/preset-env": "^7.29.0",
     "@rschristian/size-plugin": "^0.1.0",
     "@types/jest": "^30.0.0",
+    "@types/node": "^24.0.0",
     "babel-jest": "^30.2.0",
+    "brotli-size": "^4.0.0",
+    "gzip-size": "^7.0.0",
     "jest": "^30.2.0",
     "microbundle": "^0.15.1",
     "pretty-bytes": "^5.4.1"

package.json

@@ -2,7 +2,7 @@ import { getInput, setFailed, startGroup, endGroup, debug } from '@actions/core'
 import { context, getOctokit } from '@actions/github';
 import { exec } from '@actions/exec';
 import { SizePlugin } from '@rschristian/size-plugin';
-import { getPackageManagerAndInstallScript, diffTable, toBool, stripHash, getSortOrder } from './utils.js';
+import { getPackageManagerAndInstallScript, diffTable, toBool, stripHash, getSortOrder, readFromDisk } from './utils.js';
 
 /**
  * @typedef {ReturnType<typeof import("@actions/github").getOctokit>} Octokit
@@ -68,7 +68,15 @@ async function run(octokit, context, token) {
 	await exec(`git reset --hard`);
 
 	const newSizes = await plugin.readFromDisk(cwd);
+	const tmpNewSizes = await readFromDisk(
+		cwd,
+		/** @type {'gzip' | 'brotli'} */ (getInput('compression')),
+		getInput('pattern') || '**/dist/**/*.{js,mjs,cjs}',
+		getInput('exclude') || '{**/*.map,**/node_modules/**}',
+		stripHash(getInput('strip-hash'))
+	);
 	console.log('newSizes', newSizes);
+	console.log('tmpNewSizes', tmpNewSizes);
 
 	startGroup(`[base] Checkout target branch`);
 	try {

src/index.js

@@ -2,6 +2,9 @@ import fs from 'fs';
 import path from 'path';
 import prettyBytes from 'pretty-bytes';
 
+import { gzipSize } from 'gzip-size';
+import { sync as brotliSize } from 'brotli-size';
+
 /**
  * @param {string} cwd
  * @returns {Promise<{ packageManager: string, installScript: string }>}
@@ -219,7 +222,7 @@ export function diffTable(files, { showTotal, collapseUnchanged, omitUnchanged,
 	}
 
 	let out = '';
-	
+
 	if (changedRows.length !== 0) {
 		const outChanged = markdownTable(changedRows);
 		out = `<details open><summary>📦 <strong>View Changed</strong></summary>\n\n${outChanged}\n\n</details>`;
@@ -264,3 +267,55 @@ export function getSortOrder(sortBy) {
 	console.warn(`Invalid 'order-by' value '${sortBy}', defaulting to 'Filename:asc'`);
 	return 'Filename:asc';
 }
+
+/**
+ * @param {string} cwd
+ * @param {'gzip' | 'brotli' | 'none'} compression
+ * @param {string} pattern
+ * @param {string} [exclude]
+ * @param {function} [stripHash]
+ * @returns {Promise<Record<string, number>>}
+ */
+export async function readFromDisk(cwd, compression, pattern, exclude, stripHash) {
+	const files = fs.globSync(pattern, {
+		cwd,
+		exclude: exclude ? [exclude] : undefined,
+	});
+	console.log('Found files', files);
+
+	/** @type {Record<string, number>} */
+	const result = {};
+	await Promise.all(
+		files.map(async (file) => {
+			try {
+				const fileContents = await fs.promises.readFile(path.join(cwd, file), 'utf-8');
+				const size = await compressContent(compression, fileContents);
+				result[stripHash(file)] = size;
+			} catch (err) {
+				console.log('Error reading file', file, err);
+			}
+		}),
+	);
+
+	return result;
+};
+
+/**
+ * @param {string} input
+ */
+const noneSize = (input) => Buffer.byteLength(input);
+
+const compressionMethods = {
+    brotli: brotliSize,
+    gzip: gzipSize,
+    none: noneSize,
+};
+
+/**
+ * @param {'gzip' | 'brotli' | 'none'} method
+ * @param {string} content
+ * @return {Promise<number>}
+ */
+export async function compressContent(method, content) {
+    return await compressionMethods[method](content);
+}