28 lines
810 B
TypeScript
28 lines
810 B
TypeScript
// TODO: should we add this to our commonmark fork instead?
|
|
// we loop through nodes and try to merge all texts
|
|
export default function mergeTextNodes(ast: any) {
|
|
// https://github.com/commonmark/commonmark.js/blob/master/lib/node.js#L268
|
|
const walker = ast.walker();
|
|
let event;
|
|
// eslint-disable-next-line no-cond-assign
|
|
while ((event = walker.next())) {
|
|
const { entering, node } = event;
|
|
const { type } = node;
|
|
if (entering && type === 'text') {
|
|
while (node._next && node._next.type === 'text') {
|
|
const next = node._next;
|
|
node.literal += next.literal;
|
|
node._next = next._next;
|
|
if (node._next) {
|
|
node._next._prev = node;
|
|
}
|
|
if (node._parent._lastChild === next) {
|
|
node._parent._lastChild = node;
|
|
}
|
|
}
|
|
walker.resumeAt(node, false);
|
|
}
|
|
}
|
|
return ast;
|
|
}
|