feat: export version constant

Author: SethFalco

eslint.config.mjs

@@ -20,7 +20,7 @@ export default [
   },
   {
     languageOptions: {
-      ecmaVersion: 2021,
+      ecmaVersion: 'latest',
       globals: {
         ...globals.nodeBuiltin,
       },

lib/svgo-node.js

@@ -2,7 +2,7 @@ import os from 'os';
 import fs from 'fs';
 import { pathToFileURL } from 'url';
 import path from 'path';
-import { optimize as optimizeAgnostic } from './svgo.js';
+import { VERSION, optimize as optimizeAgnostic } from './svgo.js';
 
 const importConfig = async (configFile) => {
   // dynamic import expects file url instead of path and may fail
@@ -25,6 +25,8 @@ const isFile = async (file) => {
   }
 };
 
+export { VERSION };
+
 export const loadConfig = async (configFile, cwd = process.cwd()) => {
   if (configFile != null) {
     if (path.isAbsolute(configFile)) {

lib/svgo.d.ts

@@ -52,5 +52,8 @@ type Output = {
   data: string;
 };
 
+/** Installed version of SVGO. */
+export declare const VERSION: string;
+
 /** The core of SVGO */
 export declare function optimize(input: string, config?: Config): Output;

lib/svgo.js

@@ -3,6 +3,7 @@ import { stringifySvg } from './stringifier.js';
 import { builtin } from './builtin.js';
 import { invokePlugins } from './svgo/plugins.js';
 import { encodeSVGDatauri } from './svgo/tools.js';
+import { VERSION } from './version.js';
 
 const pluginsMap = {};
 for (const plugin of builtin) {
@@ -45,6 +46,8 @@ const resolvePluginConfig = (plugin) => {
   return null;
 };
 
+export { VERSION };
+
 export const optimize = (input, config) => {
   if (config == null) {
     config = {};

lib/version.js

@@ -0,0 +1,2 @@
+/** Version of SVGO. */
+export const VERSION = '4.0.0';

package.json

@@ -1,7 +1,7 @@
 {
   "packageManager": "[email protected]",
   "name": "svgo",
-  "version": "3.3.1",
+  "version": "4.0.0",
   "description": "SVGO is a Node.js library and command-line application for optimizing vector images.",
   "license": "MIT",
   "type": "module",
@@ -85,15 +85,15 @@
     "node": ">=14.0.0"
   },
   "scripts": {
-    "test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest --maxWorkers=4 --coverage",
+    "build": "node scripts/sync-version.js && rollup -c",
+    "typecheck": "tsc",
     "lint": "eslint . && prettier --check .",
     "fix": "eslint --fix . && prettier --write .",
-    "typecheck": "tsc",
-    "generate-bundles": "rollup -c",
-    "test-bundles": "yarn generate-bundles && node ./test/svgo.cjs && node ./test/browser.js",
-    "test-regression": "node ./test/regression-extract.js && cross-env NO_DIFF=1 node ./test/regression.js",
-    "prepublishOnly": "rimraf dist && yarn generate-bundles",
-    "qa": "yarn lint && yarn typecheck && yarn test && yarn test-bundles && yarn test-regression"
+    "test": "cross-env NODE_OPTIONS=--experimental-vm-modules jest --maxWorkers=4 --coverage",
+    "test:bundles": "yarn build && node ./test/svgo.cjs && node ./test/browser.js",
+    "test:regression": "node ./test/regression-extract.js && cross-env NO_DIFF=1 node ./test/regression.js",
+    "qa": "yarn typecheck && yarn lint && yarn test && yarn test:bundles && yarn test:regression",
+    "prepublishOnly": "rimraf dist && yarn build"
   },
   "jest": {
     "coveragePathIgnorePatterns": [

scripts/sync-version.js

@@ -0,0 +1,12 @@
+import fs from 'node:fs/promises';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const pkgPath = path.join(__dirname, '../package.json');
+const { version } = JSON.parse(await fs.readFile(pkgPath, 'utf-8'));
+
+await fs.writeFile(
+  './lib/version.js',
+  `/** Version of SVGO. */\nexport const VERSION = '${version}';\n`,
+);

test/browser.js

@@ -1,8 +1,14 @@
 import assert from 'assert';
 import fs from 'node:fs/promises';
 import http from 'http';
+import path from 'path';
+import { fileURLToPath } from 'url';
 import { chromium } from 'playwright';
 
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const pkgPath = path.join(__dirname, '../package.json');
+const { version } = JSON.parse(await fs.readFile(pkgPath, 'utf-8'));
+
 const fixture = `<svg xmlns="http://www.w3.org/2000/svg">
     <g attr1="val1">
         <g attr2="val2">
@@ -24,11 +30,12 @@ const expected = `<svg xmlns="http://www.w3.org/2000/svg">
 
 const content = `
 <script type="module">
-import { optimize } from '/svgo.browser.js';
+import { VERSION, optimize } from '/svgo.browser.js';
 const result = optimize(${JSON.stringify(fixture)}, {
   plugins : [],
   js2svg  : { pretty: true, indent: 2 }
 });
+globalThis.version = VERSION;
 globalThis.result = result.data;
 </script>
 `;
@@ -50,8 +57,15 @@ const runTest = async () => {
   const context = await browser.newContext();
   const page = await context.newPage();
   await page.goto('http://localhost:5000');
-  const actual = await page.evaluate(() => globalThis.result);
-  assert.equal(actual, expected);
+
+  const actual = await page.evaluate(() => ({
+    version: globalThis.version,
+    result: globalThis.result,
+  }));
+
+  assert.strictEqual(actual.version, version);
+  assert.equal(actual.result, expected);
+
   await browser.close();
 };
 

test/svgo.cjs

@@ -1,5 +1,6 @@
-const { loadConfig, optimize } = require('../dist/svgo-node.cjs');
 const assert = require('assert');
+const { VERSION, optimize, loadConfig } = require('../dist/svgo-node.cjs');
+const PKG = require('../package.json');
 
 const fixture = `<svg xmlns="http://www.w3.org/2000/svg">
     <g attr1="val1">
@@ -27,6 +28,7 @@ const runTest = () => {
   });
   const actual = result.data;
 
+  assert.strictEqual(VERSION, PKG.version);
   assert.equal(actual, expected);
   assert.notEqual(loadConfig, undefined);
 };

test/svgo/_index.test.js

@@ -1,8 +1,8 @@
-import fs from 'fs';
+import fs from 'node:fs/promises';
 import path from 'path';
 import { EOL } from 'os';
 import { fileURLToPath } from 'url';
-import { optimize } from '../../lib/svgo.js';
+import { VERSION, optimize } from '../../lib/svgo.js';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
@@ -14,11 +14,17 @@ const normalize = (file) => {
 
 const parseFixture = async (file) => {
   const filepath = path.resolve(__dirname, file);
-  const content = await fs.promises.readFile(filepath, 'utf-8');
+  const content = await fs.readFile(filepath, 'utf-8');
   return normalize(content).split(/\s*@@@\s*/);
 };
 
 describe('svgo', () => {
+  it('version should match package.json', async () => {
+    const pkgPath = path.resolve(__dirname, '../../package.json');
+    const { version } = JSON.parse(await fs.readFile(pkgPath, 'utf-8'));
+    expect(VERSION).toStrictEqual(version);
+  });
+
   it('should create indent with 2 spaces', async () => {
     const [original, expected] = await parseFixture('test.svg.txt');
     const result = optimize(original, {