1 files changed, 70 insertions, 0 deletions
diff --git a/scripts/autorelease.js b/scripts/autorelease.js
new file mode 100644
index 0000000..f506cf1
--- /dev/null
+++ b/scripts/autorelease.js
@@ -0,0 +1,70 @@
+const fs = require("fs");
+const { exec, execSync } = require("child_process");
+const core = require("@actions/core");
+
+const excalidrawDir = `${__dirname}/../packages/excalidraw`;
+const excalidrawPackage = `${excalidrawDir}/package.json`;
+const pkg = require(excalidrawPackage);
+const isPreview = process.argv.slice(2)[0] === "preview";
+
+const getShortCommitHash = () => {
+  return execSync("git rev-parse --short HEAD").toString().trim();
+};
+
+const publish = () => {
+  const tag = isPreview ? "preview" : "next";
+
+  try {
+    execSync(`yarn  --frozen-lockfile`);
+    execSync(`yarn run build:esm`, { cwd: excalidrawDir });
+    execSync(`yarn --cwd ${excalidrawDir} publish --tag ${tag}`);
+    console.info(`Published ${pkg.name}@${tag}🎉`);
+    core.setOutput(
+      "result",
+      `**Preview version has been shipped** :rocket:
+    You can use [@excalidraw/excalidraw@${pkg.version}](https://www.npmjs.com/package/@excalidraw/excalidraw/v/${pkg.version}) for testing!`,
+    );
+  } catch (error) {
+    core.setOutput("result", "package couldn't be published :warning:!");
+    console.error(error);
+    process.exit(1);
+  }
+};
+// get files changed between prev and head commit
+exec(`git diff --name-only HEAD^ HEAD`, async (error, stdout, stderr) => {
+  if (error || stderr) {
+    console.error(error);
+    core.setOutput("result", ":warning: Package couldn't be published!");
+    process.exit(1);
+  }
+  const changedFiles = stdout.trim().split("\n");
+
+  const excalidrawPackageFiles = changedFiles.filter((file) => {
+    return (
+      file.indexOf("packages/excalidraw") >= 0 ||
+      file.indexOf("buildPackage.js") > 0
+    );
+  });
+  if (!excalidrawPackageFiles.length) {
+    console.info("Skipping release as no valid diff found");
+    core.setOutput("result", "Skipping release as no valid diff found");
+    process.exit(0);
+  }
+
+  // update package.json
+  let version = `${pkg.version}-${getShortCommitHash()}`;
+
+  // update readme
+
+  if (isPreview) {
+    // use pullNumber-commithash as the version for preview
+    const pullRequestNumber = process.argv.slice(3)[0];
+    version = `${pkg.version}-${pullRequestNumber}-${getShortCommitHash()}`;
+  }
+  pkg.version = version;
+
+  fs.writeFileSync(excalidrawPackage, JSON.stringify(pkg, null, 2), "utf8");
+
+  console.info("Publish in progress...");
+  publish();
+});