Add update command and fix download reading

Signed-off-by: trivernis <trivernis@protonmail.com>

.gitignore

@@ -3,4 +3,5 @@ dist
 node_modules
 .vscode-test/
 *.vsix
-build
+build
+snekdown*-*x86_64*

CHANGELOG.md

@@ -1,9 +0,0 @@
-# Change Log
-
-All notable changes to the "snekdown-preview" extension will be documented in this file.
-
-Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
-
-## [Unreleased]
-
-- Initial release

README.md

@@ -18,6 +18,18 @@ downloads the latest one.
 
 ## Release Notes
 
-### 1.0.0
+### 0.9.3
+
+- Add update command
+
+### 0.9.2
+
+- Fix downloader buffer behaviour
+
+### 0.9.1
+
+- Fix windows download path
+
+### 0.9.0
 
 Initial release of the snekdown extension

package.json

@@ -13,7 +13,7 @@
 		"url": "https://github.com/Trivernis/snekdown-vscode-extension.git"
 	},
 	"description": "Preview and commands for the snekdown markdown flavour",
-	"version": "0.9.2",
+	"version": "0.9.3",
 	"engines": {
 		"vscode": "^1.52.0"
 	},
@@ -25,6 +25,9 @@
 		"onCommand:snekdown.preview",
 		"onCommand:snekdown.preview-side",
 		"onCommand:snekdown.clear-cache",
+		"onCommand:snekdown.update-binary",
+		"onCommand:snekdown.export-html",
+		"onCommand:snekdown.export-pdf",
 		"onLanguage:snekdown",
 		"onLanguage:markdown"
 	],
@@ -39,6 +42,10 @@
 				"command": "snekdown.clear-cache",
 				"title": "Snekdown: Clear Cache"
 			},
+			{
+				"command": "snekdown.update-binary",
+				"title": "Snekdown: Update Binary"
+			},
 			{
 				"command": "snekdown.preview",
 				"title": "Snekdown: Open Preview"

src/extension.ts

@@ -9,18 +9,33 @@ let snekdownWebview: SnekdownWebView;
 
 export async function activate(context: vscode.ExtensionContext) {
 	const snekdownWrapper = new SnekdownWrapper(context);
-	await snekdownWrapper.download();
+
+	await vscode.window.withProgress({
+		location: vscode.ProgressLocation.Window,
+		title: "Downloading Snekdown"
+	}, async () => {
+		await snekdownWrapper.download()
+	})
 
 	context.subscriptions.push(vscode.commands.registerCommand('snekdown.init', async () => {
 		await snekdownWrapper.init();
 		vscode.window.showInformationMessage("Snekdown Project initialized.");
 	}));
 
-	context.subscriptions.push(vscode.commands.registerCommand('snekdown.clear-ache', async () => {
+	context.subscriptions.push(vscode.commands.registerCommand('snekdown.clear-cache', async () => {
 		await snekdownWrapper.clearCache();
 		vscode.window.showInformationMessage("Snekdown cache cleared.");
 	}))
 
+	context.subscriptions.push(vscode.commands.registerCommand('snekdown.update-binary', async () => {
+		await vscode.window.withProgress({
+			location: vscode.ProgressLocation.Window,
+			title: "Downloading Snekdown"
+		}, async () => {
+			await snekdownWrapper.download(true)
+		});
+	}))
+
 	context.subscriptions.push(vscode.commands.registerTextEditorCommand('snekdown.preview', async () => {
 		if (!snekdownWebview || snekdownWebview.isDisposed) {
 			snekdownWebview = new SnekdownWebView(context, snekdownWrapper, vscode.ViewColumn.One);
@@ -43,7 +58,10 @@ export async function activate(context: vscode.ExtensionContext) {
 			value: placeholderOutput,
 		});
 		if (outputFile) {
-			await vscode.window.withProgress({ location: vscode.ProgressLocation.Window, title: "Rendering HTML" }, async () => {
+			await vscode.window.withProgress({
+				location: vscode.ProgressLocation.Window,
+				title: "Rendering HTML"
+			}, async () => {
 				await snekdownWrapper.renderToFile(inputFile, outputFile as string, RenderingFormat.html);
 			});
 		}
@@ -57,7 +75,10 @@ export async function activate(context: vscode.ExtensionContext) {
 			value: placeholderOutput,
 		});
 		if (outputFile) {
-			await vscode.window.withProgress({ location: vscode.ProgressLocation.Window, title: "Rendering PDF" }, async () => {
+			await vscode.window.withProgress({
+				location: vscode.ProgressLocation.Window,
+				title: "Rendering PDF"
+			}, async () => {
 				await snekdownWrapper.renderToFile(inputFile, outputFile as string, RenderingFormat.pdf);
 			});
 		}

src/snekdown-wrapper.ts

@@ -68,34 +68,50 @@ export class SnekdownWrapper {
     /**
      * Detects or downloads the snekdown executable
      */
-    public async download () {
+    public async download (force: boolean = false) {
 
         let execPath: string;
+        let res: any;
 
         switch (os.platform()) {
             case 'win32':
                 execPath = this.buildExecutablePath(SNEKDOWN_FILE_WINDOWS);
-                await fetch(SNEKDOWN_URL_WINDOWS).then(res => {
-                    fs.writeFileSync(execPath, res.buffer);
-                });
                 this.executable = execPath;
+
+                await SnekdownWrapper.downloadFile(SNEKDOWN_URL_WINDOWS, this.executable, force);
                 break;
             case 'linux':
-                if (fs.existsSync("/usr/bin/snekdown")) {
+                if (fs.existsSync("/usr/bin/snekdown") && false) {
                     this.executable = "/usr/bin/snekdown";
                     break;
                 }
                 execPath = this.buildExecutablePath(SNEKDOWN_FILE_LINUX);
-                await fetch(SNEKDOWN_URL_LINUX).then(res => {
-                    fs.writeFileSync(execPath, res.buffer);
-                });
                 this.executable = execPath;
+                await SnekdownWrapper.downloadFile(SNEKDOWN_URL_LINUX, this.executable, force);
+
                 chmodSync(execPath, "555");
                 break;
             default:
                 throw new Error("OS Platform not supported.");
         }
     }
+    
+    /**
+     * Downloads a file if it doesn't exist
+     * @param url 
+     * @param path 
+     * @param force 
+     */
+    private static async downloadFile(url: string, path: string, force: boolean = false) {
+        if (fs.existsSync(path)) {
+            if (!force) {
+                return;
+            }
+            fs.unlinkSync(path);
+        }
+        const res = await fetch(url);
+        fs.writeFileSync(path, await res.buffer());
+    }
 
     /**
      * Builds the path in the extension folder for a given file