initial commit

src/index.ts

@@ -0,0 +1,19 @@
+import * as core from '@actions/core';
+import * as installer from './installer';
+import * as path from 'path';
+
+async function run() {
+  try {
+    const version = core.getInput('version', {required: true});
+    const channel = core.getInput('channel', {required: false}) || 'stable';
+
+    await installer.getFlutter(version, channel);
+
+    const matchersPath = path.join(__dirname, '..', '.github');
+    console.log(`##[add-matcher]${path.join(matchersPath, 'flutter.json')}`);
+  } catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run();