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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var prosemirrorInputRules = require('prosemirror-inputrules');
var prosemirrorTransform = require('prosemirror-transform');
var prosemirrorModel = require('prosemirror-model');
exports.liftListItem = liftListItem;
exports.sinkListItem = sinkListItem;
exports.wrappingInputRule = wrappingInputRule;
// :: (NodeType) → (state: EditorState, dispatch: ?(tr: Transaction)) → bool
// Create a command to lift the list item around the selection up into
// a wrapping list.
function liftListItem(itemType) {
return function (tx, dispatch) {
var ref = tx.selection;
var $from = ref.$from;
var $to = ref.$to;
var range = $from.blockRange($to, function (node) { return node.childCount && node.firstChild.type == itemType; });
if (!range) { return false }
if (!dispatch) { return true }
if ($from.node(range.depth - 1).type == itemType) // Inside a parent list
{ return liftToOuterList(tx, dispatch, itemType, range) }
else // Outer list node
{ return liftOutOfList(tx, dispatch, range) }
}
}
function liftToOuterList(tr, dispatch, itemType, range) {
var end = range.end, endOfList = range.$to.end(range.depth);
if (end < endOfList) {
// There are siblings after the lifted items, which must become
// children of the last item
tr.step(new prosemirrorTransform.ReplaceAroundStep(end - 1, endOfList, end, endOfList,
new prosemirrorModel.Slice(prosemirrorModel.Fragment.from(itemType.create(null, range.parent.copy())), 1, 0), 1, true));
range = new prosemirrorModel.NodeRange(tr.doc.resolve(range.$from.pos), tr.doc.resolve(endOfList), range.depth);
}
dispatch(tr.lift(range, prosemirrorTransform.liftTarget(range)).scrollIntoView());
return true
}
function liftOutOfList(tr, dispatch, range) {
var list = range.parent;
// Merge the list items into a single big item
for (var pos = range.end, i = range.endIndex - 1, e = range.startIndex; i > e; i--) {
pos -= list.child(i).nodeSize;
tr.delete(pos - 1, pos + 1);
}
var $start = tr.doc.resolve(range.start), item = $start.nodeAfter;
var atStart = range.startIndex == 0, atEnd = range.endIndex == list.childCount;
var parent = $start.node(-1), indexBefore = $start.index(-1);
if (!parent.canReplace(indexBefore + (atStart ? 0 : 1), indexBefore + 1,
item.content.append(atEnd ? prosemirrorModel.Fragment.empty : prosemirrorModel.Fragment.from(list)))) { return false }
var start = $start.pos, end = start + item.nodeSize;
// Strip off the surrounding list. At the sides where we're not at
// the end of the list, the existing list is closed. At sides where
// this is the end, it is overwritten to its end.
tr.step(new prosemirrorTransform.ReplaceAroundStep(start - (atStart ? 1 : 0), end + (atEnd ? 1 : 0), start + 1, end - 1,
new prosemirrorModel.Slice((atStart ? prosemirrorModel.Fragment.empty : prosemirrorModel.Fragment.from(list.copy(prosemirrorModel.Fragment.empty)))
.append(atEnd ? prosemirrorModel.Fragment.empty : prosemirrorModel.Fragment.from(list.copy(prosemirrorModel.Fragment.empty))),
atStart ? 0 : 1, atEnd ? 0 : 1), atStart ? 0 : 1));
dispatch(tr.scrollIntoView());
return true
}
// :: (NodeType) → (state: EditorState, dispatch: ?(tr: Transaction)) → bool
// Create a command to sink the list item around the selection down
// into an inner list.
function sinkListItem(itemType) {
return function (state, dispatch) {
var ref = state.selection;
var $from = ref.$from;
var $to = ref.$to;
var range = $from.blockRange($to, function (node) { return node.childCount && node.firstChild.type == itemType; });
if (!range) { return false }
var startIndex = range.startIndex;
if (startIndex == 0) { return false }
var parent = range.parent, nodeBefore = parent.child(startIndex - 1);
if (nodeBefore.type != itemType) { return false; }
if (dispatch) {
var nestedBefore = nodeBefore.lastChild && nodeBefore.lastChild.type == parent.type;
var inner = prosemirrorModel.Fragment.from(nestedBefore ? itemType.create() : null);
let slice = new prosemirrorModel.Slice(prosemirrorModel.Fragment.from(itemType.create(null, prosemirrorModel.Fragment.from(parent.type.create({ ...parent.attrs, fontSize: parent.attrs.fontSize ? parent.attrs.fontSize - 4 : undefined }, inner)))),
nestedBefore ? 3 : 1, 0);
var before = range.start, after = range.end;
dispatch(state.tr.step(new prosemirrorTransform.ReplaceAroundStep(before - (nestedBefore ? 3 : 1), after,
before, after, slice, 1, true))
.scrollIntoView());
}
return true
}
}
function findWrappingOutside(range, type) {
var parent = range.parent;
var startIndex = range.startIndex;
var endIndex = range.endIndex;
var around = parent.contentMatchAt(startIndex).findWrapping(type);
if (!around) { return null }
var outer = around.length ? around[0] : type;
return parent.canReplaceWith(startIndex, endIndex, outer) ? around : null
}
function findWrappingInside(range, type) {
var parent = range.parent;
var startIndex = range.startIndex;
var endIndex = range.endIndex;
var inner = parent.child(startIndex);
var inside = type.contentMatch.findWrapping(inner.type);
if (!inside) { return null }
var lastType = inside.length ? inside[inside.length - 1] : type;
var innerMatch = lastType.contentMatch;
for (var i = startIndex; innerMatch && i < endIndex; i++) { innerMatch = innerMatch.matchType(parent.child(i).type); }
if (!innerMatch || !innerMatch.validEnd) { return null }
return inside
}
function findWrapping(range, nodeType, attrs, innerRange, customWithAttrs = null) {
if (innerRange === void 0) innerRange = range;
let withAttrs = (type) => ({ type: type, attrs: null });
var around = findWrappingOutside(range, nodeType);
var inner = around && findWrappingInside(innerRange, nodeType);
if (!inner) { return null }
return around.map(withAttrs).concat({ type: nodeType, attrs: attrs }).concat(inner.map(customWithAttrs ? customWithAttrs : withAttrs))
}
function wrappingInputRule(regexp, nodeType, getAttrs, joinPredicate, customWithAttrs = null) {
return new prosemirrorInputRules.InputRule(regexp, function (state, match, start, end) {
var attrs = getAttrs instanceof Function ? getAttrs(match) : getAttrs;
var tr = state.tr.delete(start, end);
var $start = tr.doc.resolve(start), range = $start.blockRange(), wrapping = range && findWrapping(range, nodeType, attrs, undefined, customWithAttrs);
if (!wrapping) { return null }
tr.wrap(range, wrapping);
var before = tr.doc.resolve(start - 1).nodeBefore;
if (before && before.type == nodeType && prosemirrorTransform.canJoin(tr.doc, start - 1) &&
(!joinPredicate || joinPredicate(match, before))) { tr.join(start - 1); }
return tr
})
}
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