fix: messages without target are not translated

tsvetomir · tsvetomir · commit 37fd49e58e22 · 2017-09-18T18:22:08.000+03:00
diff --git a/sample/messages.no-target.xlf b/sample/messages.no-target.xlf
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
+  <file source-language="en" datatype="plaintext" original="ng2.template">
+    <body>
+      <trans-unit id="af2ccf4b5dba59616e92cf1531505af02da8f6d2" datatype="html">
+        <source>Hello i18n!</source>
+        <note priority="1" from="description">An introduction header for this sample</note>
+        <note priority="1" from="meaning">User welcome</note>
+      </trans-unit>
+      <trans-unit id="cb5fabf68b14f52c0d7cbc2b90393f8897310ba7" datatype="html">
+        <source>Hello!</source>
+        <note priority="1" from="description">A hello world message for the localized component</note>
+        <note priority="1" from="meaning">localized.component.hello</note>
+      </trans-unit>
+      <trans-unit id="ba95e06a57c2a716c89e1a9b4fa30f51652e016a" datatype="html">
+        <source>Good bye!</source>
+        <note priority="1" from="description">A goodbye message for the localized component</note>
+        <note priority="1" from="meaning">localized.component.goodbye</note>
+      </trans-unit>
+      <trans-unit id="225c24c98a62f1f8974e1c1206f6eac06d7e5b62" datatype="html">
+        <source>Créé par <x id="INTERPOLATION"/> le <x id="INTERPOLATION_1"/></source>
+        <note priority="1" from="description">Info création par qui / quand</note>
+      </trans-unit>
+    </body>
+  </file>
+</xliff>
diff --git a/spec/translate.spec.js b/spec/translate.spec.js
@@ -66,5 +66,21 @@ describe("translate", function() {
 
         expect(units.eq(3).find('source').html()).toBe('Créé par <x id="INTERPOLATION"/> le <x id="INTERPOLATION_1"/>');
     });
+
+    describe("with no target", function() {
+        beforeEach(() => {
+            const messageData = fs.readFileSync('./sample/messages.no-target.xlf', { encoding: 'utf-8' });
+            messages = cheerio.load(messageData, { xmlMode: true, decodeEntities: false });
+            units = messages('trans-unit');
+        });
+
+        it("fills tagged units", function() {
+            translate(messages, lang);
+
+            expect(target(1)).toBe(lang.localized.component.hello);
+            expect(target(2)).toBe(lang.localized.component.goodbye);
+        });
+    });
+
 });
 
diff --git a/translate.js b/translate.js
@@ -2,6 +2,11 @@
 
 const jp = require('jsonpath');
 
+const indent = node => {
+    const indent = node.parent().html().match(/^\s+/);
+    return indent !== null ? indent[0] : '';
+};
+
 /**
  * Fills in translations in XLIFF files based on 'meaning' metadata as a key.
  *
@@ -14,11 +19,21 @@ const translate = (doc, lang, force) => {
     let stats = { count: 0, skip: 0 };
 
     units
-        .filter(unit => doc(unit).find('note').length > 0)
-        .map(unit => ({
-            target: doc(unit).find('target'),
-            id: doc(unit).find('note[from=meaning]').text()
-        }))
+        .map(unit => doc(unit))
+        .filter(unit => unit.find('note').length > 0)
+        .map(unit => {
+            const source = unit.find('source');
+            let target = unit.find('target');
+            if (target.length === 0 && source.length === 1) {
+                target = doc('<target />');
+                source.after(indent(source), target);
+            }
+
+            return {
+                target: target,
+                id: doc(unit).find('note[from=meaning]').text()
+            };
+        })
         .filter(d => d.id && isKey(d.id))
         .forEach(d => {
             const query = '$.' + d.id;
