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Zhongwei Li
279
skills/unity-test-runner/scripts/find-unity-editor.js
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279
skills/unity-test-runner/scripts/find-unity-editor.js
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#!/usr/bin/env node
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/**
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* Unity Editor Path Finder
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*
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* Cross-platform script to automatically detect Unity Editor installation paths.
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* Supports Windows, macOS, and Linux.
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*
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* Usage:
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* node find-unity-editor.js [--version <version>] [--json]
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*
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* Options:
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* --version <version> Find specific Unity version (e.g., 2021.3.15f1)
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* --json Output results as JSON
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*
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* Output (JSON):
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* {
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* "found": true,
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* "editorPath": "/path/to/Unity",
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* "version": "2021.3.15f1",
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* "platform": "win32|darwin|linux",
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* "allVersions": [...]
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* }
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*/
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const fs = require('fs');
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const path = require('path');
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// Parse command line arguments
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const args = process.argv.slice(2);
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const requestedVersion = args.includes('--version')
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? args[args.indexOf('--version') + 1]
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: null;
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const jsonOutput = args.includes('--json');
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/**
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* Get default Unity installation paths for current platform
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*/
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function getDefaultUnityPaths() {
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const platform = process.platform;
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const home = process.env.HOME || process.env.USERPROFILE;
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switch (platform) {
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case 'win32':
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return [
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'C:\\Program Files\\Unity\\Hub\\Editor',
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'C:\\Program Files\\Unity',
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path.join(home, 'AppData', 'Local', 'Unity', 'Hub', 'Editor')
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];
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case 'darwin':
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return [
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'/Applications/Unity/Hub/Editor',
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'/Applications/Unity',
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path.join(home, 'Applications', 'Unity', 'Hub', 'Editor')
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];
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case 'linux':
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return [
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path.join(home, 'Unity', 'Hub', 'Editor'),
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'/opt/unity',
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'/usr/share/unity'
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];
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default:
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return [];
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}
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}
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/**
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* Get Unity executable name for current platform
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*/
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function getUnityExecutableName() {
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const platform = process.platform;
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switch (platform) {
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case 'win32':
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return 'Unity.exe';
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case 'darwin':
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return 'Unity.app/Contents/MacOS/Unity';
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case 'linux':
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return 'Unity';
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default:
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return 'Unity';
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}
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}
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/**
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* Get Unity executable path from version directory
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*/
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function getUnityExecutablePath(versionPath) {
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const platform = process.platform;
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if (platform === 'win32') {
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return path.join(versionPath, 'Editor', 'Unity.exe');
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} else if (platform === 'darwin') {
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return path.join(versionPath, 'Unity.app', 'Contents', 'MacOS', 'Unity');
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} else {
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return path.join(versionPath, 'Editor', 'Unity');
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}
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}
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/**
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* Check if a path contains a valid Unity installation
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*/
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function isValidUnityInstallation(versionPath) {
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return fs.existsSync(getUnityExecutablePath(versionPath));
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}
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/**
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* Parse Unity version string for sorting
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* Format: 2021.3.15f1 -> {year: 2021, major: 3, minor: 15, build: 'f', patch: 1}
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*/
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function parseUnityVersion(versionStr) {
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const match = versionStr.match(/(\d+)\.(\d+)\.(\d+)([a-z])(\d+)/);
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if (!match) return null;
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return {
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year: parseInt(match[1]),
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major: parseInt(match[2]),
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minor: parseInt(match[3]),
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build: match[4],
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patch: parseInt(match[5]),
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full: versionStr
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};
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}
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/**
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* Compare two Unity versions
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*/
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function compareVersions(a, b) {
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const vA = parseUnityVersion(a);
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const vB = parseUnityVersion(b);
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if (!vA || !vB) return 0;
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if (vA.year !== vB.year) return vB.year - vA.year;
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if (vA.major !== vB.major) return vB.major - vA.major;
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if (vA.minor !== vB.minor) return vB.minor - vA.minor;
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if (vA.build !== vB.build) return vB.build.localeCompare(vA.build);
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return vB.patch - vA.patch;
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}
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/**
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* Scan directory for Unity installations
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*/
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function scanForUnityVersions(basePath) {
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if (!fs.existsSync(basePath)) {
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return [];
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}
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try {
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const entries = fs.readdirSync(basePath, { withFileTypes: true });
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const versions = [];
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for (const entry of entries) {
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if (!entry.isDirectory()) continue;
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const versionPath = path.join(basePath, entry.name);
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// Check if this looks like a Unity version (e.g., 2021.3.15f1)
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if (/^\d{4}\.\d+\.\d+[a-z]\d+$/.test(entry.name) && isValidUnityInstallation(versionPath)) {
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versions.push({
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version: entry.name,
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path: versionPath,
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executablePath: getUnityExecutablePath(versionPath)
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});
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}
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}
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return versions;
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} catch (error) {
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return [];
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}
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}
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/**
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* Find all Unity installations
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*/
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function findAllUnityInstallations() {
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const searchPaths = getDefaultUnityPaths();
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const allVersions = [];
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for (const searchPath of searchPaths) {
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const versions = scanForUnityVersions(searchPath);
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allVersions.push(...versions);
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}
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// Remove duplicates based on version string
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const uniqueVersions = allVersions.filter((v, index, self) =>
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index === self.findIndex(t => t.version === v.version)
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);
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// Sort by version (newest first)
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uniqueVersions.sort((a, b) => compareVersions(a.version, b.version));
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return uniqueVersions;
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}
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/**
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* Find Unity Editor
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*/
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function findUnityEditor() {
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const allVersions = findAllUnityInstallations();
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if (allVersions.length === 0) {
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return {
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found: false,
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error: 'No Unity installations found',
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platform: process.platform,
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searchedPaths: getDefaultUnityPaths()
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};
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}
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// If specific version requested, find it
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if (requestedVersion) {
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const found = allVersions.find(v => v.version === requestedVersion);
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if (found) {
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return {
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found: true,
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editorPath: found.executablePath,
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version: found.version,
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platform: process.platform,
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allVersions: allVersions.map(v => v.version)
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};
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} else {
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return {
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found: false,
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error: `Unity version ${requestedVersion} not found`,
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platform: process.platform,
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availableVersions: allVersions.map(v => v.version)
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};
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}
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}
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// Return latest version
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const latest = allVersions[0];
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return {
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found: true,
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editorPath: latest.executablePath,
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version: latest.version,
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platform: process.platform,
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allVersions: allVersions.map(v => v.version)
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};
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}
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// Main execution
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try {
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const result = findUnityEditor();
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if (jsonOutput) {
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console.log(JSON.stringify(result, null, 2));
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} else {
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if (result.found) {
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console.log(`✓ Unity ${result.version} found`);
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console.log(` Path: ${result.editorPath}`);
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console.log(` Platform: ${result.platform}`);
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if (result.allVersions && result.allVersions.length > 1) {
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console.log(`\n Other versions available: ${result.allVersions.slice(1).join(', ')}`);
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}
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} else {
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console.error(`✗ ${result.error}`);
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if (result.availableVersions && result.availableVersions.length > 0) {
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console.error(`\n Available versions: ${result.availableVersions.join(', ')}`);
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} else if (result.searchedPaths) {
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console.error(`\n Searched paths:`);
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result.searchedPaths.forEach(p => console.error(` - ${p}`));
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}
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process.exit(1);
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}
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}
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} catch (error) {
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console.error(`Error: ${error.message}`);
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process.exit(1);
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}
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