From bbf6904d6786d5ca09e440147b2434a990d88d83 Mon Sep 17 00:00:00 2001
From: Shohei Ueda <30958501+peaceiris@users.noreply.github.com>
Date: Mon, 30 Dec 2019 23:24:02 +0900
Subject: [PATCH] refactor: Promise to async (#24)

* refactor: use onload and onerror
* refactor: Promise tp async await getLatestVersion()
* chore: run ncc
---
 lib/index.js              | 44 +++++++++++++++++++++------------------
 src/get-latest-version.ts | 17 +++++++--------
 src/index.ts              | 16 +++++++-------
 3 files changed, 39 insertions(+), 38 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index dc09288..5841e0f 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -2840,6 +2840,15 @@ function coerce (version, options) {
 
 "use strict";
 
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    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) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
@@ -2878,21 +2887,21 @@ function getLatest(api, data) {
     return latestVersion;
 }
 function getLatestVersion(org, repo, api) {
-    return new Promise((resolve, reject) => {
-        const xhr = new XMLHttpRequest();
-        const url = getURL(org, repo, api);
-        xhr.open('GET', url);
-        xhr.send();
-        xhr.onreadystatechange = function () {
-            if (xhr.readyState === 4 && xhr.status === 200) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return new Promise((resolve, reject) => {
+            const xhr = new XMLHttpRequest();
+            const url = getURL(org, repo, api);
+            xhr.open('GET', url);
+            xhr.send();
+            xhr.onload = () => {
                 const result = JSON.parse(xhr.responseText);
                 const latestVersion = getLatest(api, result);
                 resolve(latestVersion);
-            }
-            else if (xhr.readyState === 4 && xhr.status !== 200) {
+            };
+            xhr.onerror = () => {
                 reject(`ERROR: got status ${xhr.status} of ${url}`);
-            }
-        };
+            };
+        });
     });
 }
 exports.default = getLatestVersion;
@@ -3564,15 +3573,10 @@ function run() {
         try {
             const mdbookVersion = core.getInput('mdbook-version');
             if (mdbookVersion === '' || mdbookVersion === 'latest') {
-                get_latest_version_1.default('rust-lang', 'mdbook', 'brew').then(function (latestVersion) {
-                    return __awaiter(this, void 0, void 0, function* () {
-                        console.log(`mdbook version: ${latestVersion} (${mdbookVersion})`);
-                        yield installer_1.default(latestVersion);
-                        yield showVersion();
-                    });
-                }, function (error) {
-                    core.setFailed(error);
-                });
+                const latestVersion = yield get_latest_version_1.default('rust-lang', 'mdbook', 'brew');
+                console.log(`mdbook version: ${latestVersion} (${mdbookVersion})`);
+                yield installer_1.default(latestVersion);
+                yield showVersion();
             }
             else {
                 console.log(`mdbook version: ${mdbookVersion}`);
diff --git a/src/get-latest-version.ts b/src/get-latest-version.ts
index 52a77ca..77a1004 100644
--- a/src/get-latest-version.ts
+++ b/src/get-latest-version.ts
@@ -40,7 +40,7 @@ function getLatest(api: string, data: Json): string {
   return latestVersion;
 }
 
-export default function getLatestVersion(
+export default async function getLatestVersion(
   org: string,
   repo: string,
   api: string
@@ -50,14 +50,13 @@ export default function getLatestVersion(
     const url = getURL(org, repo, api);
     xhr.open('GET', url);
     xhr.send();
-    xhr.onreadystatechange = function() {
-      if (xhr.readyState === 4 && xhr.status === 200) {
-        const result: Json = JSON.parse(xhr.responseText);
-        const latestVersion: string = getLatest(api, result);
-        resolve(latestVersion);
-      } else if (xhr.readyState === 4 && xhr.status !== 200) {
-        reject(`ERROR: got status ${xhr.status} of ${url}`);
-      }
+    xhr.onload = () => {
+      const result: Json = JSON.parse(xhr.responseText);
+      const latestVersion: string = getLatest(api, result);
+      resolve(latestVersion);
+    };
+    xhr.onerror = () => {
+      reject(`ERROR: got status ${xhr.status} of ${url}`);
     };
   });
 }
diff --git a/src/index.ts b/src/index.ts
index 3332b21..c838c17 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,16 +13,14 @@ async function run() {
     const mdbookVersion: string = core.getInput('mdbook-version');
 
     if (mdbookVersion === '' || mdbookVersion === 'latest') {
-      getLatestVersion('rust-lang', 'mdbook', 'brew').then(
-        async function(latestVersion): Promise<void> {
-          console.log(`mdbook version: ${latestVersion} (${mdbookVersion})`);
-          await installer(latestVersion);
-          await showVersion();
-        },
-        function(error) {
-          core.setFailed(error);
-        }
+      const latestVersion: string = await getLatestVersion(
+        'rust-lang',
+        'mdbook',
+        'brew'
       );
+      console.log(`mdbook version: ${latestVersion} (${mdbookVersion})`);
+      await installer(latestVersion);
+      await showVersion();
     } else {
       console.log(`mdbook version: ${mdbookVersion}`);
       await installer(mdbookVersion);