Fix bugs found in E2E testing

lib/Action.js

@@ -0,0 +1,31 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const path_1 = require("path");
+const fs_1 = require("fs");
+class Action {
+    constructor(inputs, releases) {
+        this.inputs = inputs;
+        this.releases = releases;
+    }
+    perform() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const createResult = yield this.releases.create(this.inputs.tag, this.inputs.body, this.inputs.commit, this.inputs.draft, this.inputs.name);
+            if (this.inputs.artifact) {
+                const artifactData = this.readArtifact(this.inputs.artifact);
+                yield this.releases.uploadArtifact(createResult.data.upload_url, this.inputs.artifactContentLength, this.inputs.artifactContentType, artifactData, path_1.basename(this.inputs.artifact));
+            }
+        });
+    }
+    readArtifact(path) {
+        return fs_1.readFileSync(path);
+    }
+}
+exports.Action = Action;