jlabext that defines ihaskell codemirror mode

ihaskell_labextension/.gitignore

+*.bundle.*
+lib/
+node_modules/
+*.egg-info/
+.ipynb_checkpoints

ihaskell_labextension/README.md

+# ihaskell_labextension
+
+Haskell Syntax Highlighting in Jupyterlab
+
+
+## Prerequisites
+
+* JupyterLab
+
+## Installation
+
+```bash
+jupyter labextension install ihaskell_labextension
+```
+
+## Development
+
+For a development install (requires npm version 4 or later), do the following in the repository directory:
+
+```bash
+npm install
+npm run build
+jupyter labextension link .
+```
+
+To rebuild the package and the JupyterLab app:
+
+```bash
+npm run build
+jupyter lab build
+```
+

ihaskell_labextension/package.json

+{
+  "name": "ihaskell_jupyterlab",
+  "version": "0.0.1",
+  "description": "JupyterLab extension",
+  "keywords": [
+    "jupyter",
+    "jupyterlab",
+    "jupyterlab-extension"
+  ],
+  "homepage": "https://github.com/xxx",
+  "bugs": {
+    "url": "https://github.com/xxx/issues"
+  },
+  "license": "BSD-3-Clause",
+  "author": "MMesch",
+  "files": [
+    "lib/**/*.{d.ts,eot,gif,html,jpg,js,js.map,json,png,svg,woff2,ttf}",
+    "style/**/*.{css,eot,gif,html,jpg,json,png,svg,woff2,ttf}"
+  ],
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xxx/jupyterlab-sos.git"
+  },
+  "scripts": {
+    "build": "tsc",
+    "clean": "rimraf lib",
+    "watch": "tsc -w"
+  },
+  "dependencies": {
+    "@jupyterlab/application": "^0.16.1",
+    "@jupyterlab/apputils": "^0.16.2",
+    "@jupyterlab/docregistry": "^0.16.1",
+    "@jupyterlab/notebook": "^0.16.1",
+    "@jupyterlab/services": "^2.0.1",
+    "@phosphor/disposable": "^1.1.2"
+  },
+  "devDependencies": {
+    "rimraf": "^2.6.1",
+    "typescript": "~2.6.0"
+  },
+  "jupyterlab": {
+    "extension": true
+  }
+}

ihaskell_labextension/src/codemirror-ihaskell.ts

+import * as CodeMirror from 'codemirror';
+
+import 'codemirror/lib/codemirror';
+import 'codemirror/mode/haskell/haskell';
+
+CodeMirror.defineMode("ihaskell", (config) => {
+  let hmode = CodeMirror.getMode(config, "haskell");
+    return CodeMirror.multiplexingMode(
+        hmode,
+        {
+           open: /:(?=!)/, // Matches : followed by !, but doesn't consume !
+           close: /^(?!!)/, // Matches start of line not followed by !, doesn't consume character
+           mode: CodeMirror.getMode(config, "text/plain"),
+           delimStyle: "delimit"
+        }
+        );
+});
+
+CodeMirror.defineMIME("text/x-ihaskell", "ihaskell");
+
+CodeMirror.modeInfo.push({
+  ext: ['hs'],
+  mime: "text/x-ihaskell",
+  mode: 'ihaskell',
+  name: 'ihaskell'
+});

ihaskell_labextension/src/index.ts

+import {
+  JupyterLab, JupyterLabPlugin
+} from '@jupyterlab/application';
+
+import './codemirror-ihaskell';
+
+import '../style/index.css';
+
+/**
+ * Initialization data for the extension1 extension.
+ */
+const extension: JupyterLabPlugin<void> = {
+  id: 'ihaskell',
+  autoStart: true,
+  requires: [],
+  activate: (app: JupyterLab) =>
+  {
+    app.serviceManager.ready
+      .then(() => {defineIHaskell()});
+  }
+};
+
+function defineIHaskell() {
+  console.log('ihaskell codemirror activated');
+}
+
+
+export default extension;

ihaskell_labextension/tsconfig.json

+{
+  "compilerOptions": {
+    "declaration": true,
+    "noImplicitAny": false,
+    "noEmitOnError": true,
+    "noUnusedLocals": true,
+    "allowSyntheticDefaultImports": true,
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "target": "es2015",
+    "outDir": "./lib",
+    "lib": ["dom", "es2015"],
+    "types": []
+  },
+  "include": ["src/*"]
+}