fix: fill stdall store on sync spawn

src/main/ts/spawn.ts

@@ -167,11 +167,13 @@ export const invoke = (c: TSpawnCtxNormalized): TSpawnCtxNormalized => {
       c.ee.emit('start', result, c)
       if (result.stdout.length > 0) {
         c.store.stdout.push(result.stdout)
+        c.store.stdall.push(result.stdout)
         c.stdout.write(result.stdout)
         c.ee.emit('stdout', result.stdout, c)
       }
       if (result.stderr.length > 0) {
         c.store.stderr.push(result.stderr)
+        c.store.stdall.push(result.stderr)
         c.stderr.write(result.stderr)
         c.ee.emit('stderr', result.stderr, c)
       }
@@ -180,7 +182,7 @@ export const invoke = (c: TSpawnCtxNormalized): TSpawnCtxNormalized => {
         get stdout() { return c.store.stdout.join('') },
         get stderr() { return c.store.stderr.join('') },
         stdio,
-        get stdall() { return this.stdout + this.stderr },
+        get stdall() { return c.store.stdall.join('') },
         duration: Date.now() - now,
         ctx:      c
       })

src/test/ts/x.test.ts

@@ -16,21 +16,20 @@ const throwError = (err: any = new Error('should have thrown')) => { throw err }
 describe('$()', () => {
   it('supports async flow', async () => {
     const p = $`echo foo`
-    const o1 = (await p).toString()
-    const o2 = await p.stdout
 
-    assert.equal(o1, 'foo')
-    assert.equal(o2.trim(), 'foo')
+    assert.equal((await p).toString(), 'foo')
+    assert.equal(await p.stdout, 'foo\n')
+    assert.equal(await p.stderr, '')
     assert.equal(await p.status, 0)
   })
 
   it('supports sync flow', () => {
     const p = $({sync: true})`echo foo`
-    const o1 = p.toString()
-    const o2 = p.stdout
 
-    assert.equal(o1, 'foo')
-    assert.equal(o2.trim(), 'foo')
+    assert.equal(p.toString(), 'foo')
+    assert.equal(p.stdout, 'foo\n')
+    assert.equal(p.stderr, '')
+    assert.deepEqual(p.stdall, 'foo\n')
   })
 
   it('handles promises in cmd literal', async () => {