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pipipi-pikachu 2020-12-31 17:47:53 +08:00
parent b702b7ecf8
commit cdab3f5024
1 changed files with 0 additions and 43 deletions
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src/prosemirror/commands/applyMark.ts
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import { MarkType } from 'prosemirror-model'
import { SelectionRange, Transaction, TextSelection } from 'prosemirror-state'
const markApplies = (tr: Transaction, ranges: SelectionRange[], type: MarkType) => {
for (let i = 0; i < ranges.length; i++) {
let {$from, $to} = ranges[i]
let can = $from.depth == 0 ? tr.doc.type.allowsMarkType(type) : false
tr.doc.nodesBetween($from.pos, $to.pos, node => {
if (can) return false
can = node.inlineContent && node.type.allowsMarkType(type)
})
if (can) return true
}
return false
}
export const applyMark = (tr: Transaction, markType: MarkType, attrs: { [key: string]: string; } | undefined) => {
if(!tr.selection || !tr.doc || !markType) return tr
const empty = tr.selection.empty
const ranges = tr.selection.ranges
const $cursor = (tr.selection as TextSelection).$cursor
if(empty && !$cursor || !markApplies(tr, ranges, markType)) return tr
if($cursor) {
tr = tr.removeStoredMark(markType)
return attrs ? tr.addStoredMark(markType.create(attrs)) : tr
}
let has = false
for(let i = 0; !has && i < ranges.length; i++) {
const { $from, $to } = ranges[i]
has = tr.doc.rangeHasMark($from.pos, $to.pos, markType)
}
for(let j = 0; j < ranges.length; j++) {
const { $from, $to } = ranges[j]
if(has) tr = tr.removeMark($from.pos, $to.pos, markType)
if(attrs) tr = tr.addMark($from.pos, $to.pos, markType.create(attrs))
}
return tr
}