[FIX] qweb: fix issue with expression formatting

closes #21

tests/__snapshots__/qweb.test.ts.snap

@@ -105,7 +105,7 @@ exports[`attributes from object variables set previously 1`] = `
     var h = this.utils.h;
     var c1 = [], p1 = {key:1};
     var vn1 = h('div', p1, c1);
-    var _2 = {a:'b'}.a;
+    var _2 = {a: 'b'}.a;
     var c3 = [], p3 = {key:3,attrs:{class: _2}};
     var vn3 = h('span', p3, c3);
     c1.push(vn3);
@@ -1310,6 +1310,19 @@ exports[`t-set set from empty body 1`] = `
 }"
 `;
 
+exports[`t-set t-set and t-if 1`] = `
+"function anonymous(context,extra
+) {
+    var h = this.utils.h;
+    var c1 = [], p1 = {key:1};
+    var vn1 = h('div', p1, c1);
+    if (context['value'] === 'ok') {
+        c1.push({text: \`grimbergen\`});
+    }
+    return vn1;
+}"
+`;
+
 exports[`t-set value priority 1`] = `
 "function anonymous(context,extra
 ) {

tests/qweb.test.ts

@@ -195,6 +195,19 @@ describe("t-set", () => {
     expect(renderToString(qweb, "test")).toBe("<div>ok</div>");
   });
 
+  test("t-set and t-if", () => {
+    qweb.addTemplate(
+      "test",
+      `<div >
+        <t t-set="v" t-value="value"/>
+        <t t-if="v === 'ok'">grimbergen</t>
+        </div>`
+    );
+    expect(renderToString(qweb, "test", { value: "ok" })).toBe(
+      "<div>grimbergen</div>"
+    );
+  });
+
   test("set from body literal", () => {
     qweb.addTemplate(
       "test",