Add Document Editing Sample

documentediting-sample/.vscode/launch.json

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+// A launch configuration that compiles the extension and then opens it inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Extension",
+            "type": "extensionHost",
+            "request": "launch",
+            "runtimeExecutable": "${execPath}",
+            "args": [
+                "--extensionDevelopmentPath=${workspaceFolder}"
+            ],
+            "outFiles": [
+                "${workspaceFolder}/out/**/*.js"
+            ],
+            "preLaunchTask": "npm: watch"
+        }
+    ]
+}

documentediting-sample/.vscode/settings.json

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+{
+	"editor.insertSpaces": false
+}

documentediting-sample/.vscode/tasks.json

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+// See https://go.microsoft.com/fwlink/?LinkId=733558
+// for the documentation about the tasks.json format
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "type": "npm",
+            "script": "watch",
+            "problemMatcher": "$tsc-watch",
+            "isBackground": true,
+            "presentation": {
+                "reveal": "never"
+            },
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        }
+    ]
+}

documentediting-sample/README.md

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+# Document Editing Sample
+
+This sample shows
+
+- How to update document in current active editor through commands.

documentediting-sample/package.json

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+{
+    "name": "reverseword",
+    "displayName": "ReverseWord",
+    "description": "Reverse a word",
+    "version": "0.0.1",
+    "publisher": "rebornix",
+    "engines": {
+        "vscode": "^1.29.0"
+    },
+    "categories": [
+        "Other"
+    ],
+    "activationEvents": [
+        "onCommand:extension.reverseWord"
+    ],
+    "main": "./out/extension",
+    "contributes": {
+        "commands": [
+            {
+                "command": "extension.reverseWord",
+                "title": "Reverse Word"
+            }
+        ]
+    },
+    "scripts": {
+        "vscode:prepublish": "npm run compile",
+        "compile": "tsc -p ./",
+        "lint": "tslint ./src/*.ts",
+        "watch": "tsc -watch -p ./",
+        "postinstall": "node ./node_modules/vscode/bin/install",
+        "test": "npm run compile && node ./node_modules/vscode/bin/test"
+    },
+    "devDependencies": {
+        "@types/node": "^6.0.40",
+        "tslint": "^5.11.0",
+        "typescript": "^2.0.3",
+        "vscode": "^1.1.22"
+    }
+}

documentediting-sample/src/extension.ts

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+'use strict';
+
+import * as vscode from 'vscode';
+
+export function activate(context: vscode.ExtensionContext) {
+	let disposable = vscode.commands.registerCommand('extension.reverseWord', function () {
+		// Get the active text editor
+		let editor = vscode.window.activeTextEditor;
+
+		if (editor) {
+			let document = editor.document;
+			let selection = editor.selection;
+
+			// Get the word within the selection
+			let word = document.getText(selection);
+			let reversed = word.split('').reverse().join('');
+			editor.edit(editBuilder => {
+				editBuilder.replace(selection, reversed);
+			});
+		}
+	});
+
+	context.subscriptions.push(disposable);
+}

documentediting-sample/tsconfig.json

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+{
+	"compilerOptions": {
+		"module": "commonjs",
+		"target": "es6",
+		"outDir": "out",
+		"lib": ["es6"],
+		"sourceMap": true,
+		"rootDir": "src"
+	},
+	"exclude": ["node_modules", ".vscode-test"]
+}

documentediting-sample/tslint.json

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+{
+	"rules": {
+		"indent": [true, "tabs"],
+		"semicolon": [true, "always"]
+	}
+}