Support h4 and h5

packages/core/src/blocks/HeadingBlockContent/HeadingBlockContent.ts

@@ -10,9 +10,11 @@ import {
 import { createDefaultBlockDOMOutputSpec } from "../defaultBlockHelpers.js";
 import { defaultProps } from "../defaultProps.js";
 
+const HEADING_LEVELS = [1, 2, 3, 4, 5, 6] as const;
+
 export const headingPropSchema = {
   ...defaultProps,
-  level: { default: 1, values: [1, 2, 3] as const },
+  level: { default: 1, values: HEADING_LEVELS },
 } satisfies PropSchema;
 
 const HeadingBlockContent = createStronglyTypedTiptapNode({
@@ -26,7 +28,7 @@ const HeadingBlockContent = createStronglyTypedTiptapNode({
 
   addInputRules() {
     return [
-      ...[1, 2, 3].map((level) => {
+      ...HEADING_LEVELS.map((level) => {
         // Creates a heading of appropriate level when starting with "#", "##", or "###".
         return new InputRule({
           find: new RegExp(`^(#{${level}})\\s$`),
@@ -58,84 +60,40 @@ const HeadingBlockContent = createStronglyTypedTiptapNode({
   },
 
   addKeyboardShortcuts() {
-    return {
-      "Mod-Alt-1": () => {
-        const blockInfo = getBlockInfoFromSelection(this.editor.state);
-        if (
-          !blockInfo.isBlockContainer ||
-          blockInfo.blockContent.node.type.spec.content !== "inline*"
-        ) {
-          return true;
-        }
-
-        // call updateBlockCommand
-        return this.editor.commands.command(
-          updateBlockCommand(blockInfo.bnBlock.beforePos, {
-            type: "heading",
-            props: {
-              level: 1 as any,
-            },
-          })
-        );
-      },
-      "Mod-Alt-2": () => {
-        const blockInfo = getBlockInfoFromSelection(this.editor.state);
-        if (
-          !blockInfo.isBlockContainer ||
-          blockInfo.blockContent.node.type.spec.content !== "inline*"
-        ) {
-          return true;
-        }
-
-        return this.editor.commands.command(
-          updateBlockCommand(blockInfo.bnBlock.beforePos, {
-            type: "heading",
-            props: {
-              level: 2 as any,
-            },
-          })
-        );
-      },
-      "Mod-Alt-3": () => {
-        const blockInfo = getBlockInfoFromSelection(this.editor.state);
-        if (
-          !blockInfo.isBlockContainer ||
-          blockInfo.blockContent.node.type.spec.content !== "inline*"
-        ) {
-          return true;
-        }
+    return Object.fromEntries(
+      HEADING_LEVELS.map((level) => [
+        `Mod-Alt-${level}`,
+        () => {
+          const blockInfo = getBlockInfoFromSelection(this.editor.state);
+          if (
+            !blockInfo.isBlockContainer ||
+            blockInfo.blockContent.node.type.spec.content !== "inline*"
+          ) {
+            return true;
+          }
 
-        return this.editor.commands.command(
-          updateBlockCommand(blockInfo.bnBlock.beforePos, {
-            type: "heading",
-            props: {
-              level: 3 as any,
-            },
-          })
-        );
-      },
-    };
+          return this.editor.commands.command(
+            updateBlockCommand(blockInfo.bnBlock.beforePos, {
+              type: "heading",
+              props: {
+                level: level as any,
+              },
+            })
+          );
+        },
+      ])
+    );
   },
   parseHTML() {
     return [
       {
         tag: "div[data-content-type=" + this.name + "]",
       },
-      {
-        tag: "h1",
-        attrs: { level: 1 },
+      ...HEADING_LEVELS.map((level) => ({
+        tag: `h${level}`,
+        attrs: { level },
         node: "heading",
-      },
-      {
-        tag: "h2",
-        attrs: { level: 2 },
-        node: "heading",
-      },
-      {
-        tag: "h3",
-        attrs: { level: 3 },
-        node: "heading",
-      },
+      })),
     ];
   },
 

packages/core/src/editor/Block.css

@@ -127,6 +127,15 @@ NESTED BLOCKS
 [data-content-type="heading"][data-level="3"] {
   --level: 1.3em;
 }
+[data-content-type="heading"][data-level="4"] {
+  --level: 1em;
+}
+[data-content-type="heading"][data-level="5"] {
+  --level: 0.9em;
+}
+[data-content-type="heading"][data-level="6"] {
+  --level: 0.8em;
+}
 
 [data-prev-level="1"] {
   --prev-level: 3em;
@@ -137,6 +146,15 @@ NESTED BLOCKS
 [data-prev-level="3"] {
   --prev-level: 1.3em;
 }
+[data-prev-level="4"] {
+  --prev-level: 1em;
+}
+[data-prev-level="5"] {
+  --prev-level: 0.9em;
+}
+[data-prev-level="6"] {
+  --prev-level: 0.8em;
+}
 
 .bn-block-outer[data-prev-type="heading"] > .bn-block > .bn-block-content {
   font-size: var(--prev-level);

packages/core/src/editor/editor.css

@@ -44,6 +44,9 @@ Tippy popups that are appended to document.body directly
 .bn-default-styles h1,
 .bn-default-styles h2,
 .bn-default-styles h3,
+.bn-default-styles h4,
+.bn-default-styles h5,
+.bn-default-styles h6,
 .bn-default-styles li {
   margin: 0;
   padding: 0;

packages/core/src/i18n/locales/ar.ts

@@ -20,6 +20,24 @@ export const ar: Dictionary = {
       aliases: ["ع3", "عنوان3", "عنوان فرعي"],
       group: "العناوين",
     },
+    heading_4: {
+      title: "عنوان 4",
+      subtext: "عنوان فرعي ثانوي صغير",
+      aliases: ["ع4", "عنوان4", "عنوان فرعي صغير"],
+      group: "العناوين",
+    },
+    heading_5: {
+      title: "عنوان 5",
+      subtext: "عنوان فرعي صغير",
+      aliases: ["ع5", "عنوان5", "عنوان فرعي صغير"],
+      group: "العناوين",
+    },
+    heading_6: {
+      title: "عنوان 6",
+      subtext: "أدنى مستوى للعناوين",
+      aliases: ["ع6", "عنوان6", "العنوان الفرعي الأدنى"],
+      group: "العناوين",
+    },
     quote: {
       title: "اقتباس",
       subtext: "اقتباس أو مقتطف",

packages/core/src/i18n/locales/de.ts

@@ -20,6 +20,24 @@ export const de: Dictionary = {
       aliases: ["h3", "überschrift3", "unterüberschrift"],
       group: "Überschriften",
     },
+    heading_4: {
+      title: "Überschrift 4",
+      subtext: "Überschrift für kleinere Unterabschnitte",
+      aliases: ["h4", "überschrift4", "unterüberschrift4"],
+      group: "Überschriften",
+    },
+    heading_5: {
+      title: "Überschrift 5",
+      subtext: "Überschrift für tiefere Unterabschnitte",
+      aliases: ["h5", "überschrift5", "unterüberschrift5"],
+      group: "Überschriften",
+    },
+    heading_6: {
+      title: "Überschrift 6",
+      subtext: "Überschrift auf der untersten Ebene",
+      aliases: ["h6", "überschrift6", "unterüberschrift6"],
+      group: "Überschriften",
+    },
     quote: {
       title: "Zitat",
       subtext: "Zitat oder Auszug",

packages/core/src/i18n/locales/en.ts

@@ -18,6 +18,24 @@ export const en = {
       aliases: ["h3", "heading3", "subheading"],
       group: "Headings",
     },
+    heading_4: {
+      title: "Heading 4",
+      subtext: "Minor subsection heading",
+      aliases: ["h4", "heading4", "subheading4"],
+      group: "Headings",
+    },
+    heading_5: {
+      title: "Heading 5",
+      subtext: "Small subsection heading",
+      aliases: ["h5", "heading5", "subheading5"],
+      group: "Headings",
+    },
+    heading_6: {
+      title: "Heading 6",
+      subtext: "Lowest-level heading",
+      aliases: ["h6", "heading6", "subheading6"],
+      group: "Headings",
+    },
     quote: {
       title: "Quote",
       subtext: "Quote or excerpt",

packages/core/src/i18n/locales/es.ts

@@ -20,6 +20,24 @@ export const es: Dictionary = {
       aliases: ["h3", "encabezado3", "subencabezado"],
       group: "Encabezados",
     },
+    heading_4: {
+      title: "Encabezado 4",
+      subtext: "Encabezado de subsección menor",
+      aliases: ["h4", "encabezado4", "subencabezado4"],
+      group: "Encabezados",
+    },
+    heading_5: {
+      title: "Encabezado 5",
+      subtext: "Encabezado de subsección pequeña",
+      aliases: ["h5", "encabezado5", "subencabezado5"],
+      group: "Encabezados",
+    },
+    heading_6: {
+      title: "Encabezado 6",
+      subtext: "Encabezado de nivel más bajo",
+      aliases: ["h6", "encabezado6", "subencabezado6"],
+      group: "Encabezados",
+    },
     quote: {
       title: "Cita",
       subtext: "Cita o extracto",

packages/core/src/i18n/locales/fr.ts

@@ -21,6 +21,24 @@ export const fr: Dictionary = {
       aliases: ["h3", "titre3", "sous-titre"],
       group: "Titres",
     },
+    heading_4: {
+      title: "Titre 4",
+      subtext: "Titre de sous‑section mineure",
+      aliases: ["h4", "titre4", "sous‑titre4"],
+      group: "Titres",
+    },
+    heading_5: {
+      title: "Titre 5",
+      subtext: "Titre de sous-section mineure",
+      aliases: ["h5", "titre5", "sous-titre5"],
+      group: "Titres",
+    },
+    heading_6: {
+      title: "Titre 6",
+      subtext: "Titre de niveau le plus bas",
+      aliases: ["h6", "titre6", "sous-titre6"],
+      group: "Titres",
+    },
     quote: {
       title: "Citation",
       subtext: "Citation ou extrait",

packages/core/src/i18n/locales/hr.ts

@@ -20,6 +20,24 @@ export const hr: Dictionary = {
       aliases: ["h3", "naslov3", "podnaslov"],
       group: "Naslovi",
     },
+    heading_4: {
+      title: "Naslov 4",
+      subtext: "Manji naslov podpoglavlja",
+      aliases: ["h4", "naslov4", "podnaslov4"],
+      group: "Naslovi",
+    },
+    heading_5: {
+      title: "Naslov 5",
+      subtext: "Mali naslov podpoglavlja",
+      aliases: ["h5", "naslov5", "podnaslov5"],
+      group: "Naslovi",
+    },
+    heading_6: {
+      title: "Naslov 6",
+      subtext: "Naslov najniže razine",
+      aliases: ["h6", "naslov6", "podnaslov6"],
+      group: "Naslovi",
+    },
     quote: {
       title: "Citat",
       subtext: "Citat ili izvadak",

packages/core/src/i18n/locales/is.ts

@@ -20,6 +20,24 @@ export const is: Dictionary = {
       aliases: ["h3", "fyrirsogn3", "undirfyrirsogn"],
       group: "Fyrirsagnir",
     },
+    heading_4: {
+      title: "Fyrirsögn 4",
+      subtext: "Titill fyrir minni undirhluta",
+      aliases: ["h4", "fyrirsogn4", "undirfyrirsogn4"],
+      group: "Fyrirsagnir",
+    },
+    heading_5: {
+      title: "Fyrirsögn 5",
+      subtext: "Titill fyrir litla undirkafla",
+      aliases: ["h5", "fyrirsogn5", "undirfyrirsogn5"],
+      group: "Fyrirsagnir",
+    },
+    heading_6: {
+      title: "Fyrirsögn 6",
+      subtext: "Titill á lægsta stigi",
+      aliases: ["h6", "fyrirsogn6", "undirfyrirsogn6"],
+      group: "Fyrirsagnir",
+    },
     quote: {
       title: "Tilvitnun",
       subtext: "Tilvitnun eða útdráttur",

packages/core/src/i18n/locales/it.ts

@@ -20,6 +20,24 @@ export const it: Dictionary = {
       aliases: ["h3", "intestazione3", "sottotitolo"],
       group: "Intestazioni",
     },
+    heading_4: {
+      title: "Intestazione 4",
+      subtext: "Intestazione di sottosezione minore",
+      aliases: ["h4", "intestazione4", "sottotitolo4"],
+      group: "Intestazioni",
+    },
+    heading_5: {
+      title: "Intestazione 5",
+      subtext: "Intestazione di sottosezione minore",
+      aliases: ["h5", "intestazione5", "sottotitolo5"],
+      group: "Intestazioni",
+    },
+    heading_6: {
+      title: "Intestazione 6",
+      subtext: "Intestazione di livello più basso",
+      aliases: ["h6", "intestazione6", "sottotitolo6"],
+      group: "Intestazioni",
+    },
     quote: {
       title: "Citazione",
       subtext: "Citazione o estratto",

packages/core/src/i18n/locales/ja.ts

@@ -20,6 +20,24 @@ export const ja: Dictionary = {
       aliases: ["h3", "見出し3", "subheading", "小見出し"],
       group: "見出し",
     },
+    heading_4: {
+      title: "見出し４",
+      subtext: "小さなサブセクションの見出しに使用",
+      aliases: ["h4", "見出し4", "subheading4", "小見出し4"],
+      group: "見出し",
+    },
+    heading_5: {
+      title: "見出し５",
+      subtext: "小さなサブセクションの見出しに使用",
+      aliases: ["h5", "見出し5", "subheading5", "小見出し5"],
+      group: "見出し",
+    },
+    heading_6: {
+      title: "見出し６",
+      subtext: "最下位レベルの見出しに使用",
+      aliases: ["h6", "見出し6", "subheading6", "小見出し6"],
+      group: "見出し",
+    },
     quote: {
       title: "引用",
       subtext: "引用または抜粋",