39 lines
1.1 KiB
TypeScript
39 lines
1.1 KiB
TypeScript
import { InputRule as ProsemirrorInputRule } from "prosemirror-inputrules";
|
|
import { EditorState } from "prosemirror-state";
|
|
import { isInCode } from "../queries/isInCode";
|
|
|
|
/**
|
|
* A factory function for creating Prosemirror input rules that automatically insert text
|
|
* that matches a given regular expression unless the selection is inside a code block or code mark.
|
|
*/
|
|
export class InputRule extends ProsemirrorInputRule {
|
|
constructor(rule: RegExp, insert: string) {
|
|
super(
|
|
rule,
|
|
(
|
|
state: EditorState,
|
|
match: RegExpMatchArray,
|
|
start: number,
|
|
end: number
|
|
) => {
|
|
if (isInCode(state)) {
|
|
return null;
|
|
}
|
|
|
|
if (match[1]) {
|
|
const offset = match[0].lastIndexOf(match[1]);
|
|
insert += match[0].slice(offset + match[1].length);
|
|
start += offset;
|
|
const cutOff = start - end;
|
|
if (cutOff > 0) {
|
|
insert = match[0].slice(offset - cutOff, offset) + insert;
|
|
start = end;
|
|
}
|
|
}
|
|
|
|
return state.tr.insertText(insert, start, end);
|
|
}
|
|
);
|
|
}
|
|
}
|