Add merge fields trim example

README.md

@@ -25,6 +25,9 @@
 - **merge.js** -
     Merge data in to a video using merge fields.
 
+- **merge-trim.js** -
+    Trim a video using merge fields. Replace the URL, trim and length using placeholders and merge field values.
+
 - **transform.js** -
     Apply transformations (rotate, skew and flip) to a video clip.
 

examples/merge-trim.js

@@ -0,0 +1,79 @@
+const Shotstack = require('shotstack-sdk');
+
+const defaultClient = Shotstack.ApiClient.instance;
+const DeveloperKey = defaultClient.authentications['DeveloperKey'];
+const api = new Shotstack.EditApi();
+
+let apiUrl = 'https://api.shotstack.io/stage';
+
+if (!process.env.SHOTSTACK_KEY) {
+    console.log('API Key is required. Set using: export SHOTSTACK_KEY=your_key_here');
+    process.exit(1);
+}
+
+if (process.env.SHOTSTACK_HOST) {
+    apiUrl = process.env.SHOTSTACK_HOST;
+}
+
+defaultClient.basePath = apiUrl;
+DeveloperKey.apiKey = process.env.SHOTSTACK_KEY;
+
+const videoAsset = new Shotstack.VideoAsset;
+videoAsset
+    .setSrc('{{ URL }}')
+    .setTrim('{{ TRIM }}');
+
+const videoClip = new Shotstack.Clip;
+videoClip
+    .setAsset(videoAsset)
+    .setStart(0)
+    .setLength('{{ LENGTH }}');
+
+const track = new Shotstack.Track;
+track.setClips([videoClip]);
+
+const timeline = new Shotstack.Timeline;
+timeline.setTracks([track]);
+
+const output = new Shotstack.Output;
+output
+    .setFormat('mp4')
+    .setResolution('sd');
+
+const mergeFieldUrl = new Shotstack.MergeField;
+mergeFieldUrl
+    .setFind('URL')
+    .setReplace('https://s3-ap-southeast-2.amazonaws.com/shotstack-assets/footage/skater.hd.mp4');
+
+const mergeFieldTrim = new Shotstack.MergeField;
+mergeFieldTrim
+    .setFind('TRIM')
+    .setReplace(3);
+
+const mergeFieldLength = new Shotstack.MergeField;
+mergeFieldLength
+    .setFind('LENGTH')
+    .setReplace(6);
+
+const edit = new Shotstack.Edit;
+edit
+    .setTimeline(timeline)
+    .setOutput(output)
+    .setMerge([
+        mergeFieldUrl,
+        mergeFieldTrim,
+        mergeFieldLength,
+    ]);
+
+api.postRender(edit).then((data) => {
+    const message = data.response.message;
+    const id = data.response.id
+
+    console.log(message + '\n');
+    console.log('>> Now check the progress of your render by running:');
+    console.log('>> node examples/status.js ' + id);
+
+}, (error) => {
+    console.error('Request failed: ', error);
+    process.exit(1);
+});