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/home/byroehnu/easepay.easetack.com/node_modules/prosemirror-inputrules/src/rulebuilders.ts

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import {InputRule} from "./inputrules"
import {findWrapping, canJoin} from "prosemirror-transform"
import {NodeType, Node, Attrs} from "prosemirror-model"

/// Build an input rule for automatically wrapping a textblock when a
/// given string is typed. The `regexp` argument is
/// directly passed through to the `InputRule` constructor. You'll
/// probably want the regexp to start with `^`, so that the pattern can
/// only occur at the start of a textblock.
///
/// `nodeType` is the type of node to wrap in. If it needs attributes,
/// you can either pass them directly, or pass a function that will
/// compute them from the regular expression match.
///
/// By default, if there's a node with the same type above the newly
/// wrapped node, the rule will try to [join](#transform.Transform.join) those
/// two nodes. You can pass a join predicate, which takes a regular
/// expression match and the node before the wrapped node, and can
/// return a boolean to indicate whether a join should happen.
export function wrappingInputRule(
  regexp: RegExp,
  nodeType: NodeType,
  getAttrs: Attrs | null | ((matches: RegExpMatchArray) => Attrs | null) = null,
  joinPredicate?: (match: RegExpMatchArray, node: Node) => boolean
) {
  return new InputRule(regexp, (state, match, start, end) => {
    let attrs = getAttrs instanceof Function ? getAttrs(match) : getAttrs
    let tr = state.tr.delete(start, end)
    let $start = tr.doc.resolve(start), range = $start.blockRange(), wrapping = range && findWrapping(range, nodeType, attrs)
    if (!wrapping) return null
    tr.wrap(range!, wrapping)
    let before = tr.doc.resolve(start - 1).nodeBefore
    if (before && before.type == nodeType && canJoin(tr.doc, start - 1) &&
        (!joinPredicate || joinPredicate(match, before)))
      tr.join(start - 1)
    return tr
  })
}

/// Build an input rule that changes the type of a textblock when the
/// matched text is typed into it. You'll usually want to start your
/// regexp with `^` to that it is only matched at the start of a
/// textblock. The optional `getAttrs` parameter can be used to compute
/// the new node's attributes, and works the same as in the
/// `wrappingInputRule` function.
export function textblockTypeInputRule(
  regexp: RegExp,
  nodeType: NodeType,
  getAttrs: Attrs | null | ((match: RegExpMatchArray) => Attrs | null) = null
) {
  return new InputRule(regexp, (state, match, start, end) => {
    let $start = state.doc.resolve(start)
    let attrs = getAttrs instanceof Function ? getAttrs(match) : getAttrs
    if (!$start.node(-1).canReplaceWith($start.index(-1), $start.indexAfter(-1), nodeType)) return null
    return state.tr
      .delete(start, end)
      .setBlockType(start, start, nodeType, attrs)
  })
}

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index.ts	271 B	lrw-r--r--	2026-02-28 00:28:06	Edit Download recursive recursive
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README.md	550 B	lrw-r--r--	2026-02-28 00:28:00	Edit Download recursive recursive
rulebuilders.ts	2.69 KB	lrw-r--r--	2026-02-28 00:28:14	Edit Download recursive recursive
rules.ts	979 B	lrw-r--r--	2026-02-28 00:28:18	Edit Download recursive recursive

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