9afadeb7fe
* add new addOptions option * replace defaultOptions with addOptions for all extensions * replace defaultOptions with addOptions for all demos * replace defaultOptions with addOptions in docs * refactoring * refactoring * drop object support for addOptions * fix optional options * fix tests
38 lines
785 B
TypeScript
38 lines
785 B
TypeScript
import { Extension } from '@tiptap/core'
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import { Plugin, PluginKey } from 'prosemirror-state'
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export const pluginKey = new PluginKey('characterLimit')
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export interface CharacterCountOptions {
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limit?: number,
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}
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export const CharacterCount = Extension.create<CharacterCountOptions>({
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name: 'characterCount',
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addOptions() {
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return {
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limit: 0,
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}
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},
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addProseMirrorPlugins() {
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const { options } = this
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return [
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new Plugin({
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key: pluginKey,
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appendTransaction: (transactions, oldState, newState) => {
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const length = newState.doc.content.size
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if (options.limit && length > options.limit) {
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return newState.tr.insertText('', options.limit + 1, length)
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}
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},
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}),
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]
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},
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})
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