feat: release v0.2.0 with all new adapters and fixes

src/browser.ts

@@ -67,7 +67,22 @@ export class Page implements IPage {
   }
 
   async evaluate(js: string): Promise<any> {
-    return this.call('tools/call', { name: 'browser_evaluate', arguments: { function: js } });
+    // Normalize IIFE format to function format expected by MCP browser_evaluate
+    const normalized = this.normalizeEval(js);
+    return this.call('tools/call', { name: 'browser_evaluate', arguments: { function: normalized } });
+  }
+
+  private normalizeEval(source: string): string {
+    const s = source.trim();
+    if (!s) return '() => undefined';
+    // IIFE: (async () => {...})()  →  wrap as () => (...)
+    if (s.startsWith('(') && s.endsWith(')()')) return `() => (${s})`;
+    // Already a function/arrow
+    if (/^(async\s+)?\([^)]*\)\s*=>/.test(s)) return s;
+    if (/^(async\s+)?[A-Za-z_][A-Za-z0-9_]*\s*=>/.test(s)) return s;
+    if (s.startsWith('function ') || s.startsWith('async function ')) return s;
+    // Raw expression → wrap
+    return `() => (${s})`;
   }
 
   async snapshot(opts: { interactive?: boolean; compact?: boolean; maxDepth?: number; raw?: boolean } = {}): Promise<any> {

src/output.ts

@@ -1,9 +1,10 @@
 /**
- * Output formatting: table, JSON, Markdown, CSV.
+ * Output formatting: table, JSON, Markdown, CSV, YAML.
  */
 
 import chalk from 'chalk';
 import Table from 'cli-table3';
+import yaml from 'js-yaml';
 
 export interface RenderOptions {
   fmt?: string;
@@ -23,6 +24,7 @@ export function render(data: any, opts: RenderOptions = {}): void {
     case 'json': renderJson(data); break;
     case 'md': case 'markdown': renderMarkdown(data, opts); break;
     case 'csv': renderCsv(data, opts); break;
+    case 'yaml': case 'yml': renderYaml(data); break;
     default: renderTable(data, opts); break;
   }
 }
@@ -32,16 +34,14 @@ function renderTable(data: any, opts: RenderOptions): void {
   if (!rows.length) { console.log(chalk.dim('(no data)')); return; }
   const columns = opts.columns ?? Object.keys(rows[0]);
 
-  const header = columns.map((c, i) => i === 0 ? '#' : capitalize(c));
+  const header = columns.map(c => capitalize(c));
   const table = new Table({
     head: header.map(h => chalk.bold(h)),
     style: { head: [], border: [] },
     wordWrap: true,
     wrapOnWordBoundary: true,
-    colWidths: columns.map((c, i) => {
-      if (i === 0) return 4;
-      if (c === 'url' || c === 'description') return null as any;
-      if (c === 'title' || c === 'name' || c === 'repo') return null as any;
+    colWidths: columns.map((_c, i) => {
+      if (i === 0) return 6;
       return null as any;
     }).filter(() => true),
   });
@@ -91,6 +91,10 @@ function renderCsv(data: any, opts: RenderOptions): void {
   }
 }
 
+function renderYaml(data: any): void {
+  console.log(yaml.dump(data, { sortKeys: false, lineWidth: 120, noRefs: true }));
+}
+
 function capitalize(s: string): string {
   return s.charAt(0).toUpperCase() + s.slice(1);
 }

src/pipeline/template.test.ts

@@ -57,6 +57,24 @@ describe('evalExpr', () => {
   it('resolves simple path', () => {
     expect(evalExpr('item.title', { item: { title: 'Test' } })).toBe('Test');
   });
+  it('applies join filter', () => {
+    expect(evalExpr('item.tags | join(,)', { item: { tags: ['a', 'b', 'c'] } })).toBe('a,b,c');
+  });
+  it('applies upper filter', () => {
+    expect(evalExpr('item.name | upper', { item: { name: 'hello' } })).toBe('HELLO');
+  });
+  it('applies lower filter', () => {
+    expect(evalExpr('item.name | lower', { item: { name: 'HELLO' } })).toBe('hello');
+  });
+  it('applies truncate filter', () => {
+    expect(evalExpr('item.text | truncate(5)', { item: { text: 'Hello World!' } })).toBe('Hello...');
+  });
+  it('chains filters', () => {
+    expect(evalExpr('item.name | upper | truncate(3)', { item: { name: 'hello' } })).toBe('HEL...');
+  });
+  it('applies length filter', () => {
+    expect(evalExpr('item.items | length', { item: { items: [1, 2, 3] } })).toBe(3);
+  });
 });
 
 describe('render', () => {

src/pipeline/template.ts

@@ -11,8 +11,17 @@ export interface RenderContext {
 
 export function render(template: any, ctx: RenderContext): any {
   if (typeof template !== 'string') return template;
-  const fullMatch = template.match(/^\$\{\{\s*(.*?)\s*\}\}$/);
-  if (fullMatch) return evalExpr(fullMatch[1].trim(), ctx);
+  // Full expression: entire string is a single ${{ ... }}
+  // Use [^}] to prevent matching across }} boundaries (e.g. "${{ a }}-${{ b }}")
+  const fullMatch = template.match(/^\$\{\{\s*([^}]*(?:\}[^}][^}]*)*)\s*\}\}$/);
+  if (fullMatch && !template.includes('}}-') && !template.includes('}}${{')) return evalExpr(fullMatch[1].trim(), ctx);
+  // Check if the entire string is a single expression (no other text around it)
+  const singleExpr = template.match(/^\$\{\{\s*([\s\S]*?)\s*\}\}$/);
+  if (singleExpr) {
+    // Verify it's truly a single expression (no other ${{ inside)
+    const inner = singleExpr[1];
+    if (!inner.includes('${{')) return evalExpr(inner.trim(), ctx);
+  }
   return template.replace(/\$\{\{\s*(.*?)\s*\}\}/g, (_m, expr) => String(evalExpr(expr.trim(), ctx)));
 }
 
@@ -22,18 +31,14 @@ export function evalExpr(expr: string, ctx: RenderContext): any {
   const data = ctx.data;
   const index = ctx.index ?? 0;
 
-  // Default filter: args.limit | default(20)
-  if (expr.includes('|') && expr.includes('default(')) {
-    const [mainExpr, rest] = expr.split('|', 2);
-    const defaultMatch = rest.match(/default\((.+?)\)/);
-    const defaultVal = defaultMatch ? defaultMatch[1] : null;
-    const result = resolvePath(mainExpr.trim(), { args, item, data, index });
-    if (result === null || result === undefined) {
-      if (defaultVal !== null) {
-        const intVal = parseInt(defaultVal!, 10);
-        if (!isNaN(intVal) && String(intVal) === defaultVal!.trim()) return intVal;
-        return defaultVal!.replace(/^['"]|['"]$/g, '');
-      }
+  // ── Pipe filters: expr | filter1(arg) | filter2 ──
+  // Supports: default(val), join(sep), upper, lower, truncate(n), trim, replace(old,new)
+  if (expr.includes('|') && !expr.includes('||')) {
+    const segments = expr.split('|').map(s => s.trim());
+    const mainExpr = segments[0];
+    let result = resolvePath(mainExpr, { args, item, data, index });
+    for (let i = 1; i < segments.length; i++) {
+      result = applyFilter(segments[i], result);
     }
     return result;
   }
@@ -66,6 +71,57 @@ export function evalExpr(expr: string, ctx: RenderContext): any {
   return resolvePath(expr, { args, item, data, index });
 }
 
+/**
+ * Apply a named filter to a value.
+ * Supported filters:
+ *   default(val), join(sep), upper, lower, truncate(n), trim,
+ *   replace(old,new), keys, length, first, last
+ */
+function applyFilter(filterExpr: string, value: any): any {
+  const match = filterExpr.match(/^(\w+)(?:\((.+)\))?$/);
+  if (!match) return value;
+  const [, name, rawArgs] = match;
+  const filterArg = rawArgs?.replace(/^['"]|['"]$/g, '') ?? '';
+
+  switch (name) {
+    case 'default': {
+      if (value === null || value === undefined || value === '') {
+        const intVal = parseInt(filterArg, 10);
+        if (!isNaN(intVal) && String(intVal) === filterArg.trim()) return intVal;
+        return filterArg;
+      }
+      return value;
+    }
+    case 'join':
+      return Array.isArray(value) ? value.join(filterArg || ', ') : value;
+    case 'upper':
+      return typeof value === 'string' ? value.toUpperCase() : value;
+    case 'lower':
+      return typeof value === 'string' ? value.toLowerCase() : value;
+    case 'trim':
+      return typeof value === 'string' ? value.trim() : value;
+    case 'truncate': {
+      const n = parseInt(filterArg, 10) || 50;
+      return typeof value === 'string' && value.length > n ? value.slice(0, n) + '...' : value;
+    }
+    case 'replace': {
+      if (typeof value !== 'string') return value;
+      const parts = rawArgs?.split(',').map(s => s.trim().replace(/^['"]|['"]$/g, '')) ?? [];
+      return parts.length >= 2 ? value.replaceAll(parts[0], parts[1]) : value;
+    }
+    case 'keys':
+      return value && typeof value === 'object' ? Object.keys(value) : value;
+    case 'length':
+      return Array.isArray(value) ? value.length : typeof value === 'string' ? value.length : value;
+    case 'first':
+      return Array.isArray(value) ? value[0] : value;
+    case 'last':
+      return Array.isArray(value) ? value[value.length - 1] : value;
+    default:
+      return value;
+  }
+}
+
 export function resolvePath(pathStr: string, ctx: RenderContext): any {
   const args = ctx.args ?? {};
   const item = ctx.item ?? {};