Playing with CodeMirror, styling

package-lock.json

@@ -9,7 +9,9 @@
       "version": "0.1.0",
       "license": "ISC",
       "dependencies": {
+        "codemirror": "^6.0.2",
         "lodash": "^4.17.21",
+        "y-codemirror.next": "^0.3.5",
         "yjs": "^13.6.27"
       },
       "devDependencies": {
@@ -19,6 +21,87 @@
         "vite": "^7.1.1"
       }
     },
+    "node_modules/@codemirror/autocomplete": {
+      "version": "6.18.6",
+      "resolved": "https://registry.npmjs.org/@codemirror/autocomplete/-/autocomplete-6.18.6.tgz",
+      "integrity": "sha512-PHHBXFomUs5DF+9tCOM/UoW6XQ4R44lLNNhRaW9PKPTU0D7lIjRg3ElxaJnTwsl/oHiR93WSXDBrekhoUGCPtg==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/language": "^6.0.0",
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.17.0",
+        "@lezer/common": "^1.0.0"
+      }
+    },
+    "node_modules/@codemirror/commands": {
+      "version": "6.8.1",
+      "resolved": "https://registry.npmjs.org/@codemirror/commands/-/commands-6.8.1.tgz",
+      "integrity": "sha512-KlGVYufHMQzxbdQONiLyGQDUW0itrLZwq3CcY7xpv9ZLRHqzkBSoteocBHtMCoY7/Ci4xhzSrToIeLg7FxHuaw==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/language": "^6.0.0",
+        "@codemirror/state": "^6.4.0",
+        "@codemirror/view": "^6.27.0",
+        "@lezer/common": "^1.1.0"
+      }
+    },
+    "node_modules/@codemirror/language": {
+      "version": "6.11.2",
+      "resolved": "https://registry.npmjs.org/@codemirror/language/-/language-6.11.2.tgz",
+      "integrity": "sha512-p44TsNArL4IVXDTbapUmEkAlvWs2CFQbcfc0ymDsis1kH2wh0gcY96AS29c/vp2d0y2Tquk1EDSaawpzilUiAw==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.23.0",
+        "@lezer/common": "^1.1.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.0.0",
+        "style-mod": "^4.0.0"
+      }
+    },
+    "node_modules/@codemirror/lint": {
+      "version": "6.8.5",
+      "resolved": "https://registry.npmjs.org/@codemirror/lint/-/lint-6.8.5.tgz",
+      "integrity": "sha512-s3n3KisH7dx3vsoeGMxsbRAgKe4O1vbrnKBClm99PU0fWxmxsx5rR2PfqQgIt+2MMJBHbiJ5rfIdLYfB9NNvsA==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.35.0",
+        "crelt": "^1.0.5"
+      }
+    },
+    "node_modules/@codemirror/search": {
+      "version": "6.5.11",
+      "resolved": "https://registry.npmjs.org/@codemirror/search/-/search-6.5.11.tgz",
+      "integrity": "sha512-KmWepDE6jUdL6n8cAAqIpRmLPBZ5ZKnicE8oGU/s3QrAVID+0VhLFrzUucVKHG5035/BSykhExDL/Xm7dHthiA==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.0.0",
+        "crelt": "^1.0.5"
+      }
+    },
+    "node_modules/@codemirror/state": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/@codemirror/state/-/state-6.5.2.tgz",
+      "integrity": "sha512-FVqsPqtPWKVVL3dPSxy8wEF/ymIEuVzF1PK3VbUgrxXpJUSHQWWZz4JMToquRxnkw+36LTamCZG2iua2Ptq0fA==",
+      "license": "MIT",
+      "dependencies": {
+        "@marijn/find-cluster-break": "^1.0.0"
+      }
+    },
+    "node_modules/@codemirror/view": {
+      "version": "6.38.1",
+      "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.38.1.tgz",
+      "integrity": "sha512-RmTOkE7hRU3OVREqFVITWHz6ocgBjv08GoePscAakgVQfciA3SGCEk7mb9IzwW61cKKmlTpHXG6DUE5Ubx+MGQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/state": "^6.5.0",
+        "crelt": "^1.0.6",
+        "style-mod": "^4.1.0",
+        "w3c-keyname": "^2.2.4"
+      }
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.8",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.8.tgz",
@@ -461,6 +544,36 @@
         "node": ">=18"
       }
     },
+    "node_modules/@lezer/common": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@lezer/common/-/common-1.2.3.tgz",
+      "integrity": "sha512-w7ojc8ejBqr2REPsWxJjrMFsA/ysDCFICn8zEOR9mrqzOu2amhITYuLD8ag6XZf0CFXDrhKqw7+tW8cX66NaDA==",
+      "license": "MIT"
+    },
+    "node_modules/@lezer/highlight": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.2.1.tgz",
+      "integrity": "sha512-Z5duk4RN/3zuVO7Jq0pGLJ3qynpxUVsh7IbUbGj88+uV2ApSAn6kWg2au3iJb+0Zi7kKtqffIESgNcRXWZWmSA==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.0.0"
+      }
+    },
+    "node_modules/@lezer/lr": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/@lezer/lr/-/lr-1.4.2.tgz",
+      "integrity": "sha512-pu0K1jCIdnQ12aWNaAVU5bzi7Bd1w54J3ECgANPmYLtQKP0HBj2cE/5coBD66MT10xbtIuUr7tg0Shbsvk0mDA==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.0.0"
+      }
+    },
+    "node_modules/@marijn/find-cluster-break": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@marijn/find-cluster-break/-/find-cluster-break-1.0.2.tgz",
+      "integrity": "sha512-l0h88YhZFyKdXIFNfSWpyjStDjGHwZ/U7iobcK1cQQD8sejsONdQtTVU+1wVN1PBw40PiiHB1vA5S7VTfQiP9g==",
+      "license": "MIT"
+    },
     "node_modules/@rollup/rollup-android-arm-eabi": {
       "version": "4.46.2",
       "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.46.2.tgz",
@@ -755,6 +868,27 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/codemirror": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-6.0.2.tgz",
+      "integrity": "sha512-VhydHotNW5w1UGK0Qj96BwSk/Zqbp9WbnyK2W/eVMv4QyF41INRGpjUhFJY7/uDNuudSc33a/PKr4iDqRduvHw==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/autocomplete": "^6.0.0",
+        "@codemirror/commands": "^6.0.0",
+        "@codemirror/language": "^6.0.0",
+        "@codemirror/lint": "^6.0.0",
+        "@codemirror/search": "^6.0.0",
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.0.0"
+      }
+    },
+    "node_modules/crelt": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/crelt/-/crelt-1.0.6.tgz",
+      "integrity": "sha512-VQ2MBenTq1fWZUH9DJNGti7kKv6EeAuYr3cLwxUWhIu1baTaXh4Ib5W2CqHVqib4/MqbYGJqiL3Zb8GJZr3l4g==",
+      "license": "MIT"
+    },
     "node_modules/esbuild": {
       "version": "0.25.8",
       "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.25.8.tgz",
@@ -998,6 +1132,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/style-mod": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/style-mod/-/style-mod-4.1.2.tgz",
+      "integrity": "sha512-wnD1HyVqpJUI2+eKZ+eo1UwghftP6yuFheBqqe+bWCotBjC2K1YnteJILRMs3SM4V/0dLEW1SC27MWP5y+mwmw==",
+      "license": "MIT"
+    },
     "node_modules/tinyglobby": {
       "version": "0.2.14",
       "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.14.tgz",
@@ -1104,6 +1244,30 @@
         }
       }
     },
+    "node_modules/w3c-keyname": {
+      "version": "2.2.8",
+      "resolved": "https://registry.npmjs.org/w3c-keyname/-/w3c-keyname-2.2.8.tgz",
+      "integrity": "sha512-dpojBhNsCNN7T82Tm7k26A6G9ML3NkhDsnw9n/eoxSRlVBB4CEtIQ/KTCLI2Fwf3ataSXRhYFkQi3SlnFwPvPQ==",
+      "license": "MIT"
+    },
+    "node_modules/y-codemirror.next": {
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/y-codemirror.next/-/y-codemirror.next-0.3.5.tgz",
+      "integrity": "sha512-VluNu3e5HfEXybnypnsGwKAj+fKLd4iAnR7JuX1Sfyydmn1jCBS5wwEL/uS04Ch2ib0DnMAOF6ZRR/8kK3wyGw==",
+      "license": "MIT",
+      "dependencies": {
+        "lib0": "^0.2.42"
+      },
+      "funding": {
+        "type": "GitHub Sponsors ❤",
+        "url": "https://github.com/sponsors/dmonad"
+      },
+      "peerDependencies": {
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.0.0",
+        "yjs": "^13.5.6"
+      }
+    },
     "node_modules/yjs": {
       "version": "13.6.27",
       "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.6.27.tgz",

package.json

@@ -19,7 +19,9 @@
     "vite": "^7.1.1"
   },
   "dependencies": {
+    "codemirror": "^6.0.2",
     "lodash": "^4.17.21",
+    "y-codemirror.next": "^0.3.5",
     "yjs": "^13.6.27"
   }
 }

src/main.ts

@@ -1,6 +1,14 @@
 import _ from 'lodash';
 import './style.css';
 import * as Y from 'yjs';
+import { yCollab } from 'y-codemirror.next';
+import { EditorState } from '@codemirror/state';
+import { keymap, EditorView } from '@codemirror/view';
+import {
+  defaultHighlightStyle,
+  syntaxHighlighting,
+} from '@codemirror/language';
+import { defaultKeymap, history, historyKeymap } from '@codemirror/commands';
 
 const app = document.querySelector<HTMLDivElement>('#app')!;
 
@@ -11,8 +19,32 @@ app.innerHTML = `
   <br>
   <br>
   <textarea id="ta2" rows=10></textarea>
+  <br>
+  <br>
 `;
 
+const xdoc = new Y.Doc();
+const state = EditorState.create({
+  doc: xdoc.getText().toString(),
+  extensions: [
+    // drawSelection(),
+    EditorView.lineWrapping,
+    // EditorView.theme(
+    //   {
+    //     '&': {
+    //       maxWidth: '80ch',
+    //       width: '100%'
+    //     }
+    //   }
+    // ),
+    history(),
+    keymap.of([...defaultKeymap, ...historyKeymap]),
+    syntaxHighlighting(defaultHighlightStyle, { fallback: true }),
+    yCollab(xdoc.getText(), null),
+  ],
+});
+new EditorView({ state, parent: app });
+
 const ta1 = document.getElementById('ta1') as HTMLTextAreaElement;
 const ta2 = document.getElementById('ta2') as HTMLTextAreaElement;
 

src/style.css

@@ -35,7 +35,17 @@ h1 {
 }
 
 textarea {
-  width: 100%;
+  width: 80ch;
-  max-width: 80ch;
   box-sizing: border-box;
 }
+
+.cm-editor {
+  text-align: left;
+  background-color: white;
+  color: black;
+}
+
+.cm-editor .cm-content {
+  min-height: 14lh;
+  max-width: 80ch;
+}