Example: code-block-themes

import 'prosekit/basic/style.css'
import 'prosekit/basic/typography.css'

import { useMemo } from 'preact/hooks'
import { createEditor } from 'prosekit/core'
import { ProseKit } from 'prosekit/preact'

import { defaultContent } from '../../sample/sample-doc-code-block'

import { defineExtension } from './extension'
import Toolbar from './toolbar'

export default function Editor() {
  const editor = useMemo(() => {
    const extension = defineExtension()
    return createEditor({ extension, defaultContent })
  }, [])

  return (
    <ProseKit editor={editor}>
      <div className="box-border h-full w-full min-h-36 overflow-y-hidden overflow-x-hidden rounded-md border border-solid border-gray-200 dark:border-gray-700 shadow-sm flex flex-col bg-white dark:bg-gray-950 text-black dark:text-white">
        <Toolbar />
        <div className="relative w-full flex-1 box-border overflow-y-auto">
          <div ref={editor.mount} className="ProseMirror box-border min-h-full px-[max(4rem,calc(50%-20rem))] py-8 outline-hidden outline-0 [&_span[data-mention=user]]:text-blue-500 [&_span[data-mention=tag]]:text-violet-500"></div>
        </div>
      </div>
    </ProseKit>
  )
}

import { defineBasicExtension } from 'prosekit/basic'
import { union } from 'prosekit/core'

import { defineCodeBlockView } from '../../ui/code-block-view'

export function defineExtension() {
  return union(defineBasicExtension(), defineCodeBlockView())
}

export type EditorExtension = ReturnType<typeof defineExtension>

export { default as ExampleEditor } from './editor'

import type { JSX } from 'preact'
import {
  useMemo,
  useState,
} from 'preact/hooks'
import {
  defineCodeBlockShiki,
  shikiBundledThemesInfo,
  type ShikiBundledTheme,
} from 'prosekit/extensions/code-block'
import { useExtension } from 'prosekit/preact'

export function ThemeSelector() {
  const [theme, setTheme] = useState('github-dark')
  const extension = useMemo(() => {
    return defineCodeBlockShiki({ themes: [theme as ShikiBundledTheme] })
  }, [theme])
  useExtension(extension)

  const handleChange = (
    event: JSX.TargetedEvent<HTMLSelectElement, Event>,
  ) => {
    setTheme(event.currentTarget.value)
  }

  return (
    <>
      <label htmlFor="code-block-theme-selector">Theme</label>
      <select
        id="code-block-theme-selector"
        value={theme}
        onChange={handleChange}
        className="outline-unset focus-visible:outline-unset flex items-center justify-center rounded-md p-2 font-medium transition focus-visible:ring-2 text-sm focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 disabled:pointer-events-none min-w-9 min-h-9 text-gray-900 dark:text-gray-50 disabled:text-gray-900/50 dark:disabled:text-gray-50/50 bg-transparent hover:bg-gray-100 dark:hover:bg-gray-800 data-[state=on]:bg-gray-200 dark:data-[state=on]:bg-gray-700"
      >
        {shikiBundledThemesInfo.map((info) => (
          <option key={info.id} value={info.id}>
            {info.id}
          </option>
        ))}
      </select>
    </>
  )
}

import { ThemeSelector } from './theme-selector'

export default function Toolbar() {
  return (
    <div className="z-2 box-border border-gray-200 dark:border-gray-800 border-solid border-l-0 border-r-0 border-t-0 border-b flex flex-wrap gap-1 p-2 items-center">
      <ThemeSelector />
    </div>
  )
}

import type { NodeJSON } from 'prosekit/core'

const js = `
async function start() {
  while (true) {
    await sleep()
    await eat()
    await code('JavaScript!')
  }
}
`.trim()

const py = `
async def start():
    while True:
        await sleep()
        await eat()
        await code('Python!')
`.trim()

const go = `
func start() {
	for {
		sleep()
		eat()
		code('Go!')
	}
}
`.trim()

export const defaultContent: NodeJSON = {
  type: 'doc',
  content: [
    {
      type: 'codeBlock',
      attrs: { language: 'javascript' },
      content: [{ type: 'text', text: js }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'python' },
      content: [{ type: 'text', text: py }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'go' },
      content: [{ type: 'text', text: go }],
    },
  ],
}

import type { JSX } from 'preact'
import type { CodeBlockAttrs } from 'prosekit/extensions/code-block'
import { shikiBundledLanguagesInfo } from 'prosekit/extensions/code-block'
import type { PreactNodeViewProps } from 'prosekit/preact'

export default function CodeBlockView(props: PreactNodeViewProps) {
  const attrs = props.node.attrs as CodeBlockAttrs
  const language = attrs.language || ''

  const setLanguage = (language: string) => {
    const attrs: CodeBlockAttrs = { language }
    props.setAttrs(attrs)
  }

  const handleChange = (
    event: JSX.TargetedEvent<HTMLSelectElement, Event>,
  ) => {
    setLanguage(event.currentTarget.value)
  }

  return (
    <>
      <div className="relative mx-2 top-3 h-0 select-none overflow-visible text-xs" contentEditable={false}>
        <select
          aria-label="Code block language"
          className="outline-unset focus:outline-unset relative box-border w-auto cursor-pointer select-none appearance-none rounded-sm border-none bg-transparent px-2 py-1 text-xs transition text-(--prosemirror-highlight) opacity-0 hover:opacity-80 [div[data-node-view-root]:hover_&]:opacity-50 hover:[div[data-node-view-root]:hover_&]:opacity-80"
          onChange={handleChange}
          value={language || ''}
        >
          <option value="">Plain Text</option>
          {shikiBundledLanguagesInfo.map((info) => (
            <option key={info.id} value={info.id}>
              {info.name}
            </option>
          ))}
        </select>
      </div>
      <pre ref={props.contentRef} data-language={language}></pre>
    </>
  )
}

import type { Extension } from 'prosekit/core'
import {
  definePreactNodeView,
  type PreactNodeViewComponent,
} from 'prosekit/preact'

import CodeBlockView from './code-block-view'

export function defineCodeBlockView(): Extension {
  return definePreactNodeView({
    name: 'codeBlock',
    contentAs: 'code',
    component: CodeBlockView satisfies PreactNodeViewComponent,
  })
}

import 'prosekit/basic/style.css'
import 'prosekit/basic/typography.css'

import { createEditor } from 'prosekit/core'
import { ProseKit } from 'prosekit/solid'
import type { JSX } from 'solid-js'

import { defaultContent } from '../../sample/sample-doc-code-block'

import { defineExtension } from './extension'
import Toolbar from './toolbar'

export default function Editor(): JSX.Element {
  const extension = defineExtension()
  const editor = createEditor({ extension, defaultContent })

  return (
    <ProseKit editor={editor}>
      <div class="box-border h-full w-full min-h-36 overflow-y-hidden overflow-x-hidden rounded-md border border-solid border-gray-200 dark:border-gray-700 shadow-sm flex flex-col bg-white dark:bg-gray-950 text-black dark:text-white">
        <Toolbar />
        <div class="relative w-full flex-1 box-border overflow-y-auto">
          <div ref={editor.mount} class="ProseMirror box-border min-h-full px-[max(4rem,calc(50%-20rem))] py-8 outline-hidden outline-0 [&_span[data-mention=user]]:text-blue-500 [&_span[data-mention=tag]]:text-violet-500"></div>
        </div>
      </div>
    </ProseKit>
  )
}

import { defineBasicExtension } from 'prosekit/basic'
import { union } from 'prosekit/core'

import { defineCodeBlockView } from '../../ui/code-block-view'

export function defineExtension() {
  return union(defineBasicExtension(), defineCodeBlockView())
}

export type EditorExtension = ReturnType<typeof defineExtension>

export { default as ExampleEditor } from './editor'

import {
  defineCodeBlockShiki,
  shikiBundledThemesInfo,
  type ShikiBundledTheme,
} from 'prosekit/extensions/code-block'
import { useExtension } from 'prosekit/solid'
import {
  createMemo,
  createSignal,
  For,
  type JSX,
} from 'solid-js'

export function ThemeSelector(): JSX.Element {
  const [theme, setTheme] = createSignal('github-dark')
  const extension = createMemo(() => {
    return defineCodeBlockShiki({ themes: [theme() as ShikiBundledTheme] })
  })
  useExtension(extension)

  return (
    <>
      <label for="code-block-theme-selector">Theme</label>
      <select
        id="code-block-theme-selector"
        value={theme()}
        onChange={(event) => setTheme(event.target.value)}
        class="outline-unset focus-visible:outline-unset flex items-center justify-center rounded-md p-2 font-medium transition focus-visible:ring-2 text-sm focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 disabled:pointer-events-none min-w-9 min-h-9 text-gray-900 dark:text-gray-50 disabled:text-gray-900/50 dark:disabled:text-gray-50/50 bg-transparent hover:bg-gray-100 dark:hover:bg-gray-800 data-[state=on]:bg-gray-200 dark:data-[state=on]:bg-gray-700"
      >
        <For each={shikiBundledThemesInfo}>
          {(info) => (
            <option value={info.id}>
              {info.id}
            </option>
          )}
        </For>
      </select>
    </>
  )
}

import type { JSX } from 'solid-js'

import { ThemeSelector } from './theme-selector'

export default function Toolbar(): JSX.Element {
  return (
    <div class="z-2 box-border border-gray-200 dark:border-gray-800 border-solid border-l-0 border-r-0 border-t-0 border-b flex flex-wrap gap-1 p-2 items-center">
      <ThemeSelector />
    </div>
  )
}

import type { NodeJSON } from 'prosekit/core'

const js = `
async function start() {
  while (true) {
    await sleep()
    await eat()
    await code('JavaScript!')
  }
}
`.trim()

const py = `
async def start():
    while True:
        await sleep()
        await eat()
        await code('Python!')
`.trim()

const go = `
func start() {
	for {
		sleep()
		eat()
		code('Go!')
	}
}
`.trim()

export const defaultContent: NodeJSON = {
  type: 'doc',
  content: [
    {
      type: 'codeBlock',
      attrs: { language: 'javascript' },
      content: [{ type: 'text', text: js }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'python' },
      content: [{ type: 'text', text: py }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'go' },
      content: [{ type: 'text', text: go }],
    },
  ],
}

import type { CodeBlockAttrs } from 'prosekit/extensions/code-block'
import { shikiBundledLanguagesInfo } from 'prosekit/extensions/code-block'
import type { SolidNodeViewProps } from 'prosekit/solid'
import {
  For,
  type JSX,
} from 'solid-js'

export default function CodeBlockView(props: SolidNodeViewProps): JSX.Element {
  const attrs = () => props.node.attrs as CodeBlockAttrs
  const language = () => attrs().language

  const setLanguage = (lang: string) => {
    const newAttrs: CodeBlockAttrs = { language: lang }
    props.setAttrs(newAttrs)
  }

  return (
    <>
      <div class="relative mx-2 top-3 h-0 select-none overflow-visible text-xs" contentEditable={false}>
        <select
          aria-label="Code block language"
          class="outline-unset focus:outline-unset relative box-border w-auto cursor-pointer select-none appearance-none rounded-sm border-none bg-transparent px-2 py-1 text-xs transition text-(--prosemirror-highlight) opacity-0 hover:opacity-80 [div[data-node-view-root]:hover_&]:opacity-50 hover:[div[data-node-view-root]:hover_&]:opacity-80"
          onChange={(event) => setLanguage(event.target.value)}
          value={language() || ''}
        >
          <option value="">Plain Text</option>
          <For each={shikiBundledLanguagesInfo}>
            {(info) => (
              <option value={info.id}>
                {info.name}
              </option>
            )}
          </For>
        </select>
      </div>
      <pre ref={props.contentRef} data-language={language()}></pre>
    </>
  )
}

import type { Extension } from 'prosekit/core'
import {
  defineSolidNodeView,
  type SolidNodeViewComponent,
} from 'prosekit/solid'

import CodeBlockView from './code-block-view'

export function defineCodeBlockView(): Extension {
  return defineSolidNodeView({
    name: 'codeBlock',
    contentAs: 'code',
    component: CodeBlockView satisfies SolidNodeViewComponent,
  })
}

<script lang="ts">
import 'prosekit/basic/style.css'
import 'prosekit/basic/typography.css'

import { createEditor } from 'prosekit/core'
import { ProseKit } from 'prosekit/svelte'

import { defaultContent } from '../../sample/sample-doc-code-block'

import { defineExtension } from './extension'
import Toolbar from './toolbar.svelte'

const extension = defineExtension()
const editor = createEditor({ extension, defaultContent })

const mount = (element: HTMLElement) => {
  editor.mount(element)
  return { destroy: () => editor.unmount() }
}
</script>

<ProseKit {editor}>
  <div class="box-border h-full w-full min-h-36 overflow-y-hidden overflow-x-hidden rounded-md border border-solid border-gray-200 dark:border-gray-700 shadow-sm flex flex-col bg-white dark:bg-gray-950 text-black dark:text-white">
    <Toolbar />
    <div class="relative w-full flex-1 box-border overflow-y-auto">
      <div use:mount class="ProseMirror box-border min-h-full px-[max(4rem,calc(50%-20rem))] py-8 outline-hidden outline-0 [&_span[data-mention=user]]:text-blue-500 [&_span[data-mention=tag]]:text-violet-500"></div>
    </div>
  </div>
</ProseKit>

import { defineBasicExtension } from 'prosekit/basic'
import { union } from 'prosekit/core'

import { defineCodeBlockView } from '../../ui/code-block-view'

export function defineExtension() {
  return union(defineBasicExtension(), defineCodeBlockView())
}

export type EditorExtension = ReturnType<typeof defineExtension>

export { default as ExampleEditor } from './editor.svelte'

<script lang="ts">
import {
  defineCodeBlockShiki,
  shikiBundledThemesInfo,
  type ShikiBundledTheme,
} from 'prosekit/extensions/code-block'
import { useExtension } from 'prosekit/svelte'
import {
  derived,
  writable,
} from 'svelte/store'

const theme = writable<ShikiBundledTheme>('github-dark')
const extension = derived(theme, ($theme) => {
  return defineCodeBlockShiki({ themes: [$theme] })
})

useExtension(extension)

function handleChange(event: Event) {
  const target = event.target as HTMLSelectElement
  theme.set(target.value as ShikiBundledTheme)
}
</script>

<label for="code-block-theme-selector">Theme</label>
<select
  id="code-block-theme-selector"
  value={$theme}
  onchange={handleChange}
  class="outline-unset focus-visible:outline-unset flex items-center justify-center rounded-md p-2 font-medium transition focus-visible:ring-2 text-sm focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 disabled:pointer-events-none min-w-9 min-h-9 text-gray-900 dark:text-gray-50 disabled:text-gray-900/50 dark:disabled:text-gray-50/50 bg-transparent hover:bg-gray-100 dark:hover:bg-gray-800 data-[state=on]:bg-gray-200 dark:data-[state=on]:bg-gray-700"
>
  {#each shikiBundledThemesInfo as info (info.id)}
    <option value={info.id}>
      {info.id}
    </option>
  {/each}
</select>

<script lang="ts">
import ThemeSelector from './theme-selector.svelte'
</script>

<div class="z-2 box-border border-gray-200 dark:border-gray-800 border-solid border-l-0 border-r-0 border-t-0 border-b flex flex-wrap gap-1 p-2 items-center">
  <ThemeSelector />
</div>

import type { NodeJSON } from 'prosekit/core'

const js = `
async function start() {
  while (true) {
    await sleep()
    await eat()
    await code('JavaScript!')
  }
}
`.trim()

const py = `
async def start():
    while True:
        await sleep()
        await eat()
        await code('Python!')
`.trim()

const go = `
func start() {
	for {
		sleep()
		eat()
		code('Go!')
	}
}
`.trim()

export const defaultContent: NodeJSON = {
  type: 'doc',
  content: [
    {
      type: 'codeBlock',
      attrs: { language: 'javascript' },
      content: [{ type: 'text', text: js }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'python' },
      content: [{ type: 'text', text: py }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'go' },
      content: [{ type: 'text', text: go }],
    },
  ],
}

<script lang="ts">
import type { CodeBlockAttrs } from 'prosekit/extensions/code-block'
import { shikiBundledLanguagesInfo } from 'prosekit/extensions/code-block'
import type { SvelteNodeViewProps } from 'prosekit/svelte'

interface Props extends SvelteNodeViewProps {}

const props: Props = $props()
const node = props.node

const attrs = $derived($node.attrs as CodeBlockAttrs)

function setLanguage(lang: string) {
  const newAttrs: CodeBlockAttrs = { language: lang }
  props.setAttrs(newAttrs)
}

function bindContentRef(element: HTMLPreElement) {
  props.contentRef(element)
}
</script>

<div class="relative mx-2 top-3 h-0 select-none overflow-visible text-xs" contentEditable="false">
  <select
    aria-label="Code block language"
    class="outline-unset focus:outline-unset relative box-border w-auto cursor-pointer select-none appearance-none rounded-sm border-none bg-transparent px-2 py-1 text-xs transition text-(--prosemirror-highlight) opacity-0 hover:opacity-80 [div[data-node-view-root]:hover_&]:opacity-50 hover:[div[data-node-view-root]:hover_&]:opacity-80"
    value={attrs.language || ''}
    onchange={(event) => setLanguage((event.target as HTMLSelectElement).value)}
  >
    <option value="">Plain Text</option>
    {#each shikiBundledLanguagesInfo as info (info.id)}
      <option value={info.id}>
        {info.name}
      </option>
    {/each}
  </select>
</div>
<pre use:bindContentRef data-language={attrs.language}></pre>

import type { Extension } from 'prosekit/core'
import {
  defineSvelteNodeView,
  type SvelteNodeViewComponent,
} from 'prosekit/svelte'

import CodeBlockView from './code-block-view.svelte'

export function defineCodeBlockView(): Extension {
  return defineSvelteNodeView({
    name: 'codeBlock',
    contentAs: 'code',
    component: CodeBlockView as SvelteNodeViewComponent,
  })
}

<script setup lang="ts">
import 'prosekit/basic/style.css'
import 'prosekit/basic/typography.css'

import { createEditor } from 'prosekit/core'
import { ProseKit } from 'prosekit/vue'
import {
  ref,
  watchPostEffect,
} from 'vue'

import { defaultContent } from '../../sample/sample-doc-code-block'

import { defineExtension } from './extension'
import Toolbar from './toolbar.vue'

const extension = defineExtension()
const editor = createEditor({
  extension,
  defaultContent,
})

const editorRef = ref<HTMLDivElement | null>(null)
watchPostEffect((onCleanup) => {
  editor.mount(editorRef.value)
  onCleanup(() => editor.unmount())
})
</script>

<template>
  <ProseKit :editor="editor">
    <div class="box-border h-full w-full min-h-36 overflow-y-hidden overflow-x-hidden rounded-md border border-solid border-gray-200 dark:border-gray-700 shadow-sm flex flex-col bg-white dark:bg-gray-950 text-black dark:text-white">
      <Toolbar />
      <div class="relative w-full flex-1 box-border overflow-y-auto">
        <div ref="editorRef" class="ProseMirror box-border min-h-full px-[max(4rem,calc(50%-20rem))] py-8 outline-hidden outline-0 [&_span[data-mention=user]]:text-blue-500 [&_span[data-mention=tag]]:text-violet-500" />
      </div>
    </div>
  </ProseKit>
</template>

import { defineBasicExtension } from 'prosekit/basic'
import { union } from 'prosekit/core'

import { defineCodeBlockView } from '../../ui/code-block-view'

export function defineExtension() {
  return union(defineBasicExtension(), defineCodeBlockView())
}

export type EditorExtension = ReturnType<typeof defineExtension>

export { default as ExampleEditor } from './editor.vue'

<script setup lang="ts">
import {
  defineCodeBlockShiki,
  shikiBundledThemesInfo,
  type ShikiBundledTheme,
} from 'prosekit/extensions/code-block'
import { useExtension } from 'prosekit/vue'
import {
  computed,
  ref,
} from 'vue'

const theme = ref<ShikiBundledTheme>('github-dark')
const extension = computed(() => {
  return defineCodeBlockShiki({ themes: [theme.value] })
})

useExtension(extension)
</script>

<template>
  <label for="code-block-theme-selector">Theme</label>
  <select
    id="code-block-theme-selector"
    v-model="theme"
    class="outline-unset focus-visible:outline-unset flex items-center justify-center rounded-md p-2 font-medium transition focus-visible:ring-2 text-sm focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 disabled:pointer-events-none min-w-9 min-h-9 text-gray-900 dark:text-gray-50 disabled:text-gray-900/50 dark:disabled:text-gray-50/50 bg-transparent hover:bg-gray-100 dark:hover:bg-gray-800 data-[state=on]:bg-gray-200 dark:data-[state=on]:bg-gray-700"
  >
    <option
      v-for="info in shikiBundledThemesInfo"
      :key="info.id"
      :value="info.id"
    >
      {{ info.id }}
    </option>
  </select>
</template>

<script setup lang="ts">
import ThemeSelector from './theme-selector.vue'
</script>

<template>
  <div class="z-2 box-border border-gray-200 dark:border-gray-800 border-solid border-l-0 border-r-0 border-t-0 border-b flex flex-wrap gap-1 p-2 items-center">
    <ThemeSelector />
  </div>
</template>

import type { NodeJSON } from 'prosekit/core'

const js = `
async function start() {
  while (true) {
    await sleep()
    await eat()
    await code('JavaScript!')
  }
}
`.trim()

const py = `
async def start():
    while True:
        await sleep()
        await eat()
        await code('Python!')
`.trim()

const go = `
func start() {
	for {
		sleep()
		eat()
		code('Go!')
	}
}
`.trim()

export const defaultContent: NodeJSON = {
  type: 'doc',
  content: [
    {
      type: 'codeBlock',
      attrs: { language: 'javascript' },
      content: [{ type: 'text', text: js }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'python' },
      content: [{ type: 'text', text: py }],
    },
    {
      type: 'codeBlock',
      attrs: { language: 'go' },
      content: [{ type: 'text', text: go }],
    },
  ],
}

<script setup lang="ts">
import type { CodeBlockAttrs } from 'prosekit/extensions/code-block'
import { shikiBundledLanguagesInfo } from 'prosekit/extensions/code-block'
import type { VueNodeViewProps } from 'prosekit/vue'

const props = defineProps<VueNodeViewProps>()

const attrs = () => props.node.value.attrs as CodeBlockAttrs
const language = () => attrs().language

function setLanguage(lang: string) {
  const newAttrs: CodeBlockAttrs = { language: lang }
  props.setAttrs(newAttrs)
}
</script>

<template>
  <div class="relative mx-2 top-3 h-0 select-none overflow-visible text-xs" contentEditable="false">
    <select
      aria-label="Code block language"
      class="outline-unset focus:outline-unset relative box-border w-auto cursor-pointer select-none appearance-none rounded-sm border-none bg-transparent px-2 py-1 text-xs transition text-(--prosemirror-highlight) opacity-0 hover:opacity-80 [div[data-node-view-root]:hover_&]:opacity-50 hover:[div[data-node-view-root]:hover_&]:opacity-80"
      :value="language() || ''"
      @change="(event) => setLanguage((event.target as HTMLSelectElement).value)"
    >
      <option value="">Plain Text</option>
      <option
        v-for="info in shikiBundledLanguagesInfo"
        :key="info.id"
        :value="info.id"
      >
        {{ info.name }}
      </option>
    </select>
  </div>
  <pre :ref="contentRef" :data-language="language()"></pre>
</template>

import type { Extension } from 'prosekit/core'
import {
  defineVueNodeView,
  type VueNodeViewComponent,
} from 'prosekit/vue'

import CodeBlockView from './code-block-view.vue'

export function defineCodeBlockView(): Extension {
  return defineVueNodeView({
    name: 'codeBlock',
    contentAs: 'code',
    component: CodeBlockView as VueNodeViewComponent,
  })
}