Add Normal, Visual and Visual Line modes

.gitignore

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+node_modules
+.browser_modules
+lib
+*.log
+*-app/*
+!*-app/package.json

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible Node.js debug attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Start Browser Backend",
+            "program": "${workspaceRoot}/browser-app/src-gen/backend/main.js",
+            "args": [
+                "--loglevel=debug",
+                "--port=3000",
+                "--no-cluster"
+            ],
+            "env": {
+                "NODE_ENV": "development"
+            },
+            "sourceMaps": true,
+            "outFiles": [
+                "${workspaceRoot}/node_modules/@theia/*/lib/**/*.js",
+                "${workspaceRoot}/browser-app/lib/**/*.js",
+                "${workspaceRoot}/browser-app/src-gen/**/*.js"
+            ],
+            "smartStep": true,
+            "internalConsoleOptions": "openOnSessionStart",
+            "outputCapture": "std"
+        },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Start Electron Backend",
+            "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
+            "windows": {
+                "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
+            },
+            "program": "${workspaceRoot}/electron-app/src-gen/frontend/electron-main.js",
+            "protocol": "inspector",
+            "args": [
+                "--loglevel=debug",
+                "--hostname=localhost",
+                "--no-cluster"
+            ],
+            "env": {
+                "NODE_ENV": "development"
+            },
+            "sourceMaps": true,
+            "outFiles": [
+                "${workspaceRoot}/electron-app/src-gen/frontend/electron-main.js",
+                "${workspaceRoot}/electron-app/src-gen/backend/main.js",
+                "${workspaceRoot}/electron-app/lib/**/*.js",
+                "${workspaceRoot}/node_modules/@theia/*/lib/**/*.js"
+            ],
+            "smartStep": true,
+            "internalConsoleOptions": "openOnSessionStart",
+            "outputCapture": "std"
+        }
+    ]
+}

README.md

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+# Vi Extension
+The example of how to build the Theia-based applications with the Vi-extension.
+
+## Getting started
+
+Install [nvm](https://github.com/creationix/nvm#install-script).
+
+    curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.5/install.sh | bash
+
+Install npm and node.
+
+    nvm install 8
+    nvm use 8
+
+Install yarn.
+
+    npm install -g yarn
+
+## Running the browser example
+
+    yarn rebuild:browser
+    cd browser-app
+    yarn start
+
+Open http://localhost:3000 in the browser.
+
+## Running the Electron example
+
+    yarn rebuild:electron
+    cd electron-app
+    yarn start
+
+## Developing with the browser example
+
+Start watching of the vi extension.
+
+    cd vi-extension
+    yarn watch
+
+Start watching of the browser example.
+
+    yarn rebuild:browser
+    cd browser-app
+    yarn watch
+
+Launch `Start Browser Backend` configuration from VS code.
+
+Open http://localhost:3000 in the browser.
+
+## Developing with the Electron example
+
+Start watching of the vi-extension.
+
+    cd vi-extension
+    yarn watch
+
+Start watching of the electron example.
+
+    yarn rebuild:electron
+    cd electron-app
+    yarn watch
+
+Launch `Start Electron Backend` configuration from VS code.
+
+## Publishing vi-extension
+
+Create a npm user and login to the npm registry, [more on npm publishing](https://docs.npmjs.com/getting-started/publishing-npm-packages).
+
+    npm login
+
+Publish packages with lerna to update versions properly across local packages, [more on publishing with lerna](https://github.com/lerna/lerna#publish).
+
+    npx lerna publish
+
+### Insert Mode
+|Command         | Desc                                                                                   |
+|----------------|----------------------------------------------------------------------------------------|
+| `a`            | Moves the cursor after the current character and enters insert mode                    |
+| `A`            | Moves the cursor to the end of the line and enters insert mode                         |
+| `i (ins)`      | Switches to insert mode                                                                |
+| `I`            | Moves the cursor to the beginning of the line and enters insert mode                   |
+| `o`            | Inserts a new line below the current line and enters insert mode on the new line       |
+| `O`            | Inserts a new line above the current one and enters insert mode on the new line        |
+
+### Normal Mode
+|Command         | Desc                                                                                   |
+|----------------|----------------------------------------------------------------------------------------|
+| `esc (ctrl-[)` | enter Normal Mode                                                                      |
+| `l (right)`    | Move forward                                                                           |
+| `h (left)`     | Move backward                                                                          |
+| `j (down)`     | Move to the next line                                                                  |
+| `k (up)`       | Move to the previous line                                                              |
+| `0`            | Move to the beginning of line                                                          |
+| `$`            | Move to the end of line                                                                |
+| `b`            | Move to previous beginning of word                                                     |
+| `e`            | Move to end of word                                                                    |
+
+### Visual Mode
+|Command         | Desc                                                                                   |
+|----------------|----------------------------------------------------------------------------------------|
+| `v`            | enter Visual Mode, this will also mark a starting selection point                      |
+| `l (right)`    | Select forward                                                                         |
+| `h (left)`     | Select backward                                                                        |
+| `k (up)`       | Select up                                                                              |
+| `j (down)`     | Select down                                                                            |
+
+Move the cursor to the desired end selection point; vi will provide a visual highlight of the text selection
+
+### Visual Line Mode
+|Command         | Desc                                                                                   |
+|----------------|----------------------------------------------------------------------------------------|
+| `V`            | select current line and enter Visual Line Mode, this will make text selections by line |
+| `k (up)`       | select line up                                                                         |
+| `j (down)`     | select line down                                                                       |
+| `d`            | delete selected lines                                                                  |

browser-app/package.json

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+{
+  "private": true,
+  "name": "browser-app",
+  "version": "0.0.0",
+  "dependencies": {
+    "@theia/core": "0.3.12",
+    "@theia/filesystem": "0.3.12",
+    "@theia/file-search": "0.3.12",
+    "@theia/workspace": "0.3.12",
+    "@theia/preferences": "0.3.12",
+    "@theia/navigator": "0.3.12",
+    "@theia/process": "0.3.12",
+    "@theia/terminal": "0.3.12",
+    "@theia/editor": "0.3.12",
+    "@theia/languages": "0.3.12",
+    "@theia/markers": "0.3.12",
+    "@theia/monaco": "0.3.12",
+    "@theia/typescript": "0.3.12",
+    "@theia/messages": "0.3.12",
+    "vi-extension": "0.0.0"
+  },
+  "devDependencies": {
+    "@theia/cli": "0.3.12"
+  },
+  "scripts": {
+    "prepare": "theia build --mode development",
+    "start": "theia start",
+    "watch": "theia build --watch --mode development"
+  },
+  "theia": {
+    "target": "browser"
+  }
+}

electron-app/package.json

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+{
+  "private": true,
+  "name": "electron-app",
+  "version": "0.0.0",
+  "dependencies": {
+    "@theia/core": "0.3.12",
+    "@theia/filesystem": "0.3.12",
+    "@theia/file-search": "0.3.12",
+    "@theia/workspace": "0.3.12",
+    "@theia/preferences": "0.3.12",
+    "@theia/navigator": "0.3.12",
+    "@theia/process": "0.3.12",
+    "@theia/terminal": "0.3.12",
+    "@theia/editor": "0.3.12",
+    "@theia/languages": "0.3.12",
+    "@theia/markers": "0.3.12",
+    "@theia/monaco": "0.3.12",
+    "@theia/typescript": "0.3.12",
+    "@theia/messages": "0.3.12",
+    "vi-extension": "0.0.0"
+  },
+  "devDependencies": {
+    "@theia/cli": "0.3.12"
+  },
+  "scripts": {
+    "prepare": "theia build",
+    "start": "theia start",
+    "watch": "theia build --watch"
+  },
+  "theia": {
+    "target": "electron"
+  }
+}

lerna.json

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+{
+  "lerna": "2.4.0",
+  "version": "0.0.0",
+  "useWorkspaces": true,
+  "npmClient": "yarn",
+  "command": {
+    "run": {
+      "stream": true
+    }
+  }
+}

package.json

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+{
+  "private": true,
+  "scripts": {
+    "prepare": "yarn tslint && lerna run prepare",
+    "rebuild:browser": "theia rebuild:browser",
+    "rebuild:electron": "theia rebuild:electron",
+    "tslint-fix": "tslint --fix --project vi-extension",
+    "tslint": "tslint --project vi-extension"
+  },
+  "devDependencies": {
+    "lerna": "2.4.0",
+    "tslint": "5.10.0"
+  },
+  "workspaces": [
+    "vi-extension",
+    "browser-app",
+    "electron-app"
+  ]
+}

tslint.json

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+{
+  "defaultSeverity": "error",
+  "rules": {
+    "file-header": [
+      true,
+      "SPDX-License-Identifier: EPL-2\\.0"
+    ],
+    "class-name": true,
+    "comment-format": [
+      true,
+      "check-space"
+    ],
+    "curly": true,
+    "eofline": true,
+    "forin": true,
+    "indent": [
+      true,
+      "spaces"
+    ],
+    "jsdoc-format": [
+      true,
+      "check-multiline-start"
+    ],
+    "max-line-length": [
+      true,
+      180
+    ],
+    "no-consecutive-blank-lines": true,
+    "no-shadowed-variable": true,
+    "no-string-throw": true,
+    "no-trailing-whitespace": true,
+    "no-var-keyword": true,
+    "one-line": [
+      true,
+      "check-open-brace",
+      "check-catch",
+      "check-else",
+      "check-whitespace"
+    ],
+    "prefer-const": {
+      "options": [
+        true,
+        {
+          "destructuring": "all"
+        }
+      ]
+    },
+    "radix": true,
+    "semicolon": [
+      true,
+      "always",
+      "ignore-interfaces"
+    ],
+    "trailing-comma": [
+      false
+    ],
+    "triple-equals": [
+      true,
+      "allow-null-check"
+    ],
+    "typedef-whitespace": [
+      true,
+      {
+        "call-signature": "nospace",
+        "index-signature": "nospace",
+        "parameter": "nospace",
+        "property-declaration": "nospace",
+        "variable-declaration": "nospace"
+      }
+    ],
+    "variable-name": false,
+    "whitespace": [
+      true,
+      "check-branch",
+      "check-decl",
+      "check-operator",
+      "check-separator",
+      "check-type"
+    ]
+  }
+}
+

vi-extension/package.json

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+{
+  "name": "vi-extension",
+  "keywords": [
+    "theia-extension"
+  ],
+  "version": "0.0.0",
+  "files": [
+    "lib",
+    "src"
+  ],
+  "dependencies": {
+    "@theia/core": "0.3.12",
+    "@theia/monaco": "0.3.12"
+  },
+  "devDependencies": {
+    "rimraf": "2.6.2",
+    "typescript": "2.7.2"
+  },
+  "scripts": {
+    "prepare": "yarn run clean && yarn run build",
+    "clean": "rimraf lib",
+    "build": "tsc",
+    "watch": "tsc -w"
+  },
+  "theiaExtensions": [
+    {
+      "frontend": "lib/browser/vi-frontend-module"
+    }
+  ]
+}