Basically working Yeoman template generator generator

templates/yeoman/src/build/build.ts

@@ -0,0 +1,96 @@
+import * as glob from 'glob';
+import * as gitignore from 'gitignore-parser';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as _ from 'lodash';
+import * as mkdirp from 'mkdirp';
+import * as rimraf from 'rimraf';
+
+const textFileExtensions = ['.gitignore', '.config', '.cs', '.cshtml', 'Dockerfile', '.html', '.js', '.json', '.jsx', '.md', '.ts', '.tsx', '.xproj'];
+
+const templates = {
+    'angular-2': '../../templates/Angular2Spa/',
+    'knockout': '../../templates/KnockoutSpa/',
+    'react-redux': '../../templates/ReactReduxSpa/',
+    'react': '../../templates/ReactSpa/'
+};
+
+const contentReplacements: { from: RegExp, to: string }[] = [
+    { from: /\bWebApplicationBasic\b/g, to: '<%= namePascalCase %>' },
+    { from: /<ProjectGuid>[0-9a-f\-]{36}<\/ProjectGuid>/g, to: '<ProjectGuid><%= projectGuid %></ProjectGuid>' },
+    { from: /<RootNamespace>.*?<\/RootNamespace>/g, to: '<RootNamespace><%= namePascalCase %></RootNamespace>'},
+    { from: /\s*<BaseIntermediateOutputPath.*?<\/BaseIntermediateOutputPath>/g, to: '' },
+    { from: /\s*<OutputPath.*?<\/OutputPath>/g, to: '' },
+];
+
+const filenameReplacements: { from: RegExp, to: string }[] = [
+    { from: /.*\.xproj$/, to: 'tokenreplace-namePascalCase.xproj' }
+];
+
+function isTextFile(filename: string): boolean {
+    return textFileExtensions.indexOf(path.extname(filename).toLowerCase()) >= 0;
+}
+
+function writeFileEnsuringDirExists(root: string, filename: string, contents: string | Buffer) {
+    let fullPath = path.join(root, filename);
+    mkdirp.sync(path.dirname(fullPath));    
+    fs.writeFileSync(fullPath, contents);
+}
+
+function listFilesExcludingGitignored(root: string): string[] {    
+    let gitIgnorePath = path.join(root, '.gitignore');
+    let gitignoreEvaluator = fs.existsSync(gitIgnorePath)
+        ? gitignore.compile(fs.readFileSync(gitIgnorePath, 'utf8'))
+        : { accepts: () => true };
+    return glob.sync('**/*', { cwd: root, dot: true, nodir: true })
+        .filter(fn => gitignoreEvaluator.accepts(fn));
+}
+
+function writeTemplate(sourceRoot: string, destRoot: string) {
+    listFilesExcludingGitignored(sourceRoot).forEach(fn => {
+        let sourceContent = fs.readFileSync(path.join(sourceRoot, fn));
+        
+        // For text files, replace hardcoded values with template tags
+        if (isTextFile(fn)) {
+            let sourceText = sourceContent.toString('utf8');
+            contentReplacements.forEach(replacement => {
+                sourceText = sourceText.replace(replacement.from, replacement.to);
+            });
+            
+            sourceContent = new Buffer(sourceText, 'utf8');
+        }
+        
+        // Also apply replacements in filenames
+        filenameReplacements.forEach(replacement => {
+            fn = fn.replace(replacement.from, replacement.to);
+        });
+        
+        writeFileEnsuringDirExists(destRoot, fn, sourceContent);
+    });    
+}
+
+function copyRecursive(sourceRoot: string, destRoot: string, matchGlob: string) {
+    glob.sync(matchGlob, { cwd: sourceRoot, dot: true, nodir: true })
+        .forEach(fn => {
+            const sourceContent = fs.readFileSync(path.join(sourceRoot, fn));        
+            writeFileEnsuringDirExists(destRoot, fn, sourceContent);
+        });
+}
+
+const outputRoot = './generator-aspnet-spa';
+const outputTemplatesRoot = path.join(outputRoot, 'app/templates'); 
+rimraf.sync(outputTemplatesRoot);
+
+// Copy template files
+_.forEach(templates, (templateRootDir, templateName) => {
+    const outputDir = path.join(outputTemplatesRoot, templateName);
+    writeTemplate(templateRootDir, outputDir);
+});
+
+// Also copy the generator files (that's the compiled .js files, plus all other non-.ts files)
+const tempRoot = './tmp';
+copyRecursive(path.join(tempRoot, 'generator'), outputRoot, '**/*.js');
+copyRecursive('./src/generator', outputRoot, '**/!(*.ts)');
+
+// Clean up
+rimraf.sync(tempRoot);