feat: added change directory so it runs in the same folder as the README.md file

.gitignore

@@ -0,0 +1,2 @@
+node_modules
+out

README.md

@@ -5,12 +5,24 @@ It adds a CodeLens action to run shell snippets in any markdown file.
 
 <img width="478" alt="screenshot" src="https://user-images.githubusercontent.com/1406778/64465935-20934280-d163-11e9-8e0e-8dfd0f86fad3.png">
 
-### How does it work?
+## How does it work?
 
 `markdown-command-runner` detects `` ``` ``, `` ```sh `` and `` ```bash `` snippets in markdown files an adds
 a `Run command in terminal` action at the top.
 
 When clicked the associated snippet is run the current active terminal or a new one if it is busy.
 
+### Point of execution
+
+You can config wether it should change the directory to the one where the README
+is by adding this in your .vscode/settings.json:
+
+```json
+{
+  "markdown-command-runner": {
+    "change-directory": "true"
+  }
+}
+```
 
 *This extension is not actively maintained but contributions are welcome!*

src/commandCodeLensProvider.ts

@@ -1,11 +1,15 @@
 import vscode = require('vscode');
+import path = require('path');
 
 export class CommandCodeLensProvider implements vscode.CodeLensProvider {
     onDidChangeCodeLenses?: vscode.Event<void>;
 
     provideCodeLenses(document: vscode.TextDocument, token: vscode.CancellationToken): vscode.ProviderResult<vscode.CodeLens[]> {
         var codeLenses = [];
         const lines = document.getText().split('\n');
+        const directory = path.dirname(document.fileName);
+
+	    const changeDirectoryConfig = vscode.workspace.getConfiguration().get('markdown-command-runner.change-directory');
 
         var inCommand = false;
         var currentCommand = '';
@@ -14,10 +18,11 @@ export class CommandCodeLensProvider implements vscode.CodeLensProvider {
             const line = lines[i].trim();
             if (inCommand) {
                 if (line === '```') {
+                    const cdCmd = changeDirectoryConfig == "true" ? `cd ${directory};` : '' 
                     const cmd: vscode.Command = {
                         title: 'Run command in terminal',
                         command: 'markdown.run.command',
-                        arguments: [{ command: currentCommand }]
+                        arguments: [{ command: `${cdCmd} ${currentCommand}` }]
                     };
                     codeLenses.push(
                         new vscode.CodeLens(new vscode.Range(new vscode.Position(commandStartLine, 0), new vscode.Position(commandStartLine + 1, 0)), cmd)