fix: code highlight doesn't update unless model is linked (#57)

Fix #35
koca · Feb 11, 2020 · efdd959 · efdd959
1 parent e421a78
commit efdd959
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Showing 2 changed files with 16 additions and 2 deletions.
diff --git a/src/components/Editor.vue b/src/components/Editor.vue
@@ -120,7 +120,7 @@ export default {
   },
   computed: {
     content() {
-      return prism(this.codeData, this.language);
+      return prism(this.codeData || "", this.language);
     },
     lineNumbersCount() {
       let totalLines = this.codeData.split(/\r\n|\n/).length;
@@ -346,6 +346,10 @@ export default {
         }
       }
 
+      if (!this.code) {
+        this.codeData = evt.target.innerText;
+      }
+
       if (this.emitEvents) {
         this.$emit("keyup", evt);
       }

diff --git a/tests/unit/Editor.spec.js b/tests/unit/Editor.spec.js
@@ -53,6 +53,17 @@ describe("Editor.vue", () => {
     expect(wrapper.vm.code).toEqual("works");
   });
 
+  it("works without v-model", () => {
+    const wrapper = mount(Editor, {
+      emitEvents: true
+    });
+
+    wrapper.vm.codeData = "<html>";
+    expect(wrapper.vm.content).toBe(
+      `<code class="language-js"><span class="token operator">&lt;</span>html<span class="token operator">></span></code>`
+    );
+  });
+
   it("code with sync modifier works", () => {
     const compiled = compileToFunctions(
       '<div><Editor class="foo" :code.sync="code" /></div>'
@@ -156,7 +167,6 @@ describe("Editor.vue", () => {
     });
     const $pre = wrapper.find("pre");
 
-    $pre.element.dispatchEvent(new KeyboardEvent("keyup", { keyCode: 16 }));
     $pre.element.dispatchEvent(new KeyboardEvent("keyup", { keyCode: 16 })); // shift
     $pre.element.dispatchEvent(new KeyboardEvent("keyup", { keyCode: 17 })); // ctrl
     $pre.element.dispatchEvent(new KeyboardEvent("keyup", { keyCode: 18 })); // alt