1 files changed, 32 insertions, 0 deletions
diff --git a/packages/0x.js/scripts/postpublish.js b/packages/0x.js/scripts/postpublish.js
new file mode 100644
index 000000000..c2dffa920
--- /dev/null
+++ b/packages/0x.js/scripts/postpublish.js
@@ -0,0 +1,32 @@
+const execAsync = require('async-child-process').execAsync;
+const semverSort = require('semver-sort');
+
+const packagePrefix = '0x.js@';
+const gitTagsCommand = 'git tags -l "' + packagePrefix + '*"';
+let latestTag;
+execAsync(gitTagsCommand)
+    .then(function(result) {
+        if (result.stderr !== '') {
+            throw new Error(result.stderr);
+        }
+        const tags = result.stdout.trim().split('\n');
+        const versions = tags.map(function(tag) {
+            return tag.slice(packagePrefix.length);
+        });
+        const sortedVersions = semverSort.desc(versions);
+        latestTag = packagePrefix + sortedVersions[0];
+        return execAsync('LATEST_TAG=' + latestTag + ' yarn release');
+    })
+    .then(function(result) {
+        if (result.stderr !== '') {
+            throw new Error(result.stderr);
+        }
+        return execAsync('yarn docs:json');        
+    })
+    .then(function(result) {
+        if (result.stderr !== '') {
+            throw new Error(result.stderr);
+        }
+        const s3Url = 's3://0xjs-docs-jsons/v' + latestTag +'.json';
+        return execAsync('S3_URL=' + s3Url + ' yarn upload_docs_json');  
+    });