57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
import { InputRule } from 'prosemirror-inputrules'
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function getMarksBetween(start, end, state) {
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let marks = []
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state.doc.nodesBetween(start, end, (node, pos) => {
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marks = [...marks, ...node.marks.map(mark => ({
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start: pos,
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end: pos + node.nodeSize,
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mark,
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}))]
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})
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return marks
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}
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export default function (regexp, markType, getAttrs) {
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return new InputRule(regexp, (state, match, start, end) => {
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const attrs = getAttrs instanceof Function ? getAttrs(match) : getAttrs
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const { tr } = state
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const m = match.length - 1
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let markEnd = end
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let markStart = start
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if (match[m]) {
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const matchStart = start + match[0].indexOf(match[m - 1])
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const matchEnd = matchStart + match[m - 1].length - 1
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const textStart = matchStart + match[m - 1].lastIndexOf(match[m])
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const textEnd = textStart + match[m].length
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const excludedMarks = getMarksBetween(start, end, state)
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.filter(item => {
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const { excluded } = item.mark.type
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return excluded.find(type => type.name === markType.name)
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})
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.filter(item => item.end > matchStart)
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if (excludedMarks.length) {
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return false
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}
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if (textEnd < matchEnd) {
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tr.delete(textEnd, matchEnd)
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}
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if (textStart > matchStart) {
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tr.delete(matchStart, textStart)
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}
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markStart = matchStart
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markEnd = markStart + match[m].length
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}
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tr.addMark(markStart, markEnd, markType.create(attrs))
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tr.removeStoredMark(markType)
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return tr
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})
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}
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