76 lines
1.6 KiB
TypeScript
76 lines
1.6 KiB
TypeScript
import { Mark, mergeAttributes } from '@tiptap/core'
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export interface SubscriptExtensionOptions {
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HTMLAttributes: Object,
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}
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declare module '@tiptap/core' {
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interface Commands<ReturnType> {
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subscript: {
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/**
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* Set a subscript mark
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*/
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setSubscript: () => ReturnType,
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/**
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* Toggle a subscript mark
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*/
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toggleSubscript: () => ReturnType,
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/**
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* Unset a subscript mark
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*/
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unsetSubscript: () => ReturnType,
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}
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}
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}
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export const Subscript = Mark.create<SubscriptExtensionOptions>({
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name: 'subscript',
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defaultOptions: {
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HTMLAttributes: {},
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},
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parseHTML() {
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return [
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{
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tag: 'sub',
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},
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{
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style: 'vertical-align',
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getAttrs(value) {
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// Don’t match this rule if the vertical align isn’t sub.
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if (value !== 'sub') {
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return false
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}
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// If it falls through we’ll match, and this mark will be applied.
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},
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},
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]
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},
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renderHTML({ HTMLAttributes }) {
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return ['sub', mergeAttributes(this.options.HTMLAttributes, HTMLAttributes), 0]
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},
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addCommands() {
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return {
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setSubscript: () => ({ commands }) => {
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return commands.setMark('subscript')
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},
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toggleSubscript: () => ({ commands }) => {
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return commands.toggleMark('subscript')
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},
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unsetSubscript: () => ({ commands }) => {
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return commands.unsetMark('subscript')
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},
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}
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},
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addKeyboardShortcuts() {
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return {
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'Mod-,': () => this.editor.commands.toggleSubscript(),
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}
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},
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})
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