Use CodeMirror editor

2026-06-05 10:10:58 +02:00
parent 4e24f876c9
commit de3abed6d7
15 changed files with 1207 additions and 283 deletions
@@ -0,0 +1,104 @@
+// CodeMirror 6 bundle entry point.
+//
+// Imports only the CM packages the editor needs (keep the bundle small for the
+// mobile/VPN path) and exposes them on window.CM for the global-style editor
+// scripts. The editor theme and markdown highlight palette draw from the app's
+// :root CSS variables so there are no hardcoded colors/spacing here.
+import { EditorState, EditorSelection, Compartment, Prec } from "@codemirror/state";
+import { EditorView, keymap, drawSelection } from "@codemirror/view";
+import { history, historyKeymap, defaultKeymap, indentWithTab } from "@codemirror/commands";
+import { markdown, markdownLanguage, markdownKeymap } from "@codemirror/lang-markdown";
+import { syntaxHighlighting, HighlightStyle, indentOnInput } from "@codemirror/language";
+import {
+    autocompletion,
+    closeBrackets,
+    closeBracketsKeymap,
+    completionKeymap,
+    startCompletion,
+} from "@codemirror/autocomplete";
+import { tags } from "@lezer/highlight";
+
+// Editor chrome. Colors/spacing/fonts come from :root variables; var() works
+// here because HighlightStyle/theme emit real CSS rules.
+const theme = EditorView.theme(
+    {
+        "&": {
+            backgroundColor: "var(--bg)",
+            color: "var(--text)",
+            fontSize: "0.9rem",
+            border: "var(--border)",
+            borderTop: "none",
+        },
+        "&.cm-focused": { outline: "none" },
+        ".cm-scroller": {
+            fontFamily: '"Iosevka Slab", monospace',
+            lineHeight: "1.6",
+            minHeight: "60vh",
+        },
+        ".cm-content": {
+            padding: "var(--space-4)",
+            caretColor: "var(--text)",
+        },
+        ".cm-cursor, .cm-dropCursor": { borderLeftColor: "var(--text)" },
+        "&.cm-focused .cm-selectionBackground, .cm-selectionBackground, .cm-content ::selection":
+            { backgroundColor: "var(--bg-panel-hover)" },
+        ".cm-activeLine": { backgroundColor: "transparent" },
+        ".cm-tooltip": {
+            backgroundColor: "var(--bg-panel)",
+            border: "var(--border-dashed)",
+            color: "var(--text)",
+        },
+        ".cm-tooltip.cm-tooltip-autocomplete > ul": {
+            fontFamily: '"Iosevka Slab", monospace',
+            fontSize: "var(--font-sm)",
+        },
+        ".cm-tooltip-autocomplete ul li[aria-selected]": {
+            backgroundColor: "var(--bg-panel-hover)",
+            color: "var(--text)",
+        },
+        ".cm-completionDetail": {
+            color: "var(--text-muted)",
+            fontStyle: "normal",
+            marginLeft: "var(--space-3)",
+        },
+    },
+    { dark: true }
+);
+
+const highlightStyle = HighlightStyle.define([
+    { tag: [tags.heading1, tags.heading2, tags.heading3, tags.heading4, tags.heading5, tags.heading6], color: "var(--secondary)", fontWeight: "bold" },
+    { tag: tags.strong, fontWeight: "bold", color: "var(--text)" },
+    { tag: tags.emphasis, fontStyle: "italic" },
+    { tag: tags.strikethrough, textDecoration: "line-through" },
+    { tag: [tags.link, tags.url], color: "var(--link)" },
+    { tag: tags.monospace, color: "var(--primary-hover)" },
+    { tag: tags.quote, color: "var(--text-muted)", fontStyle: "italic" },
+    { tag: [tags.list, tags.contentSeparator], color: "var(--secondary)" },
+    { tag: [tags.processingInstruction, tags.meta], color: "var(--text-muted)" },
+]);
+
+window.CM = {
+    EditorState,
+    EditorSelection,
+    Compartment,
+    Prec,
+    EditorView,
+    keymap,
+    drawSelection,
+    history,
+    historyKeymap,
+    defaultKeymap,
+    indentWithTab,
+    markdown,
+    markdownLanguage,
+    markdownKeymap,
+    syntaxHighlighting,
+    indentOnInput,
+    autocompletion,
+    closeBrackets,
+    closeBracketsKeymap,
+    completionKeymap,
+    startCompletion,
+    theme,
+    highlightStyle,
+};