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import type { NodeType, Schema } from 'prosemirror-model'
import {
inputRules,
wrappingInputRule,
smartQuotes,
emDash,
ellipsis,
InputRule,
} from 'prosemirror-inputrules'
const blockQuoteRule = (nodeType: NodeType) => wrappingInputRule(/^\s*>\s$/, nodeType)
const orderedListRule = (nodeType: NodeType) => (
wrappingInputRule(
/^(\d+)\.\s$/,
nodeType,
match => ({order: +match[1]}),
(match, node) => node.childCount + node.attrs.order === +match[1],
)
)
const bulletListRule = (nodeType: NodeType) => wrappingInputRule(/^\s*([-+*])\s$/, nodeType)
const codeRule = () => {
const inputRegex = /(?:^|\s)((?:`)((?:[^`]+))(?:`))$/
return new InputRule(inputRegex, (state, match, start, end) => {
const { schema } = state
const tr = state.tr.insertText(`${match[2]} `, start, end)
const mark = schema.marks.code.create()
return tr.addMark(start, start + match[2].length, mark)
})
}
const linkRule = () => {
const urlRegEx = /(?:https?:\/\/)?[\w-]+(?:\.[\w-]+)+\.?(?:\d+)?(?:\/\S*)?$/
return new InputRule(urlRegEx, (state, match, start, end) => {
const { schema } = state
const tr = state.tr.insertText(match[0], start, end)
const mark = schema.marks.link.create({ href: match[0], title: match[0] })
return tr.addMark(start, start + match[0].length, mark)
})
}
export const buildInputRules = (schema: Schema) => {
const rules = [
...smartQuotes,
ellipsis,
emDash,
]
rules.push(blockQuoteRule(schema.nodes.blockquote))
rules.push(orderedListRule(schema.nodes.ordered_list))
rules.push(bulletListRule(schema.nodes.bullet_list))
rules.push(codeRule())
rules.push(linkRule())
return inputRules({ rules })
} |