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import { Schema, NodeType } from "prosemirror-model";
import {
wrapIn, setBlockType, chainCommands, toggleMark, exitCode,
joinUp, joinDown, lift, selectParentNode
} from "prosemirror-commands";
import { wrapInList, splitListItem, liftListItem, sinkListItem } from "prosemirror-schema-list";
import { undo, redo } from "prosemirror-history";
import { undoInputRule } from "prosemirror-inputrules";
import { Transaction, EditorState } from "prosemirror-state";
import { TooltipTextMenu } from "./TooltipTextMenu";
import { Statement } from "../northstar/model/idea/idea";
const mac = typeof navigator !== "undefined" ? /Mac/.test(navigator.platform) : false;
export type KeyMap = { [key: string]: any };
export default function buildKeymap<S extends Schema<any>>(schema: S, mapKeys?: KeyMap): KeyMap {
let keys: { [key: string]: any } = {}, type;
function bind(key: string, cmd: any) {
if (mapKeys) {
let mapped = mapKeys[key];
if (mapped === false) return;
if (mapped) key = mapped;
}
keys[key] = cmd;
}
bind("Mod-z", undo);
bind("Shift-Mod-z", redo);
bind("Backspace", undoInputRule);
if (!mac) {
bind("Mod-y", redo);
}
bind("Alt-ArrowUp", joinUp);
bind("Alt-ArrowDown", joinDown);
bind("Mod-BracketLeft", lift);
bind("Escape", selectParentNode);
if (type = schema.marks.strong) {
bind("Mod-b", toggleMark(type));
bind("Mod-B", toggleMark(type));
}
if (type = schema.marks.em) {
bind("Mod-i", toggleMark(type));
bind("Mod-I", toggleMark(type));
}
if (type = schema.marks.code) {
bind("Mod-`", toggleMark(type));
}
if (type = schema.nodes.bullet_list) {
bind("Ctrl-.", wrapInList(type));
}
if (type = schema.nodes.ordered_list) {
bind("Ctrl-n", wrapInList(type));
}
if (type = schema.nodes.blockquote) {
bind("Ctrl->", wrapIn(type));
}
if (type = schema.nodes.hard_break) {
let br = type, cmd = chainCommands(exitCode, (state, dispatch) => {
if (dispatch) {
dispatch(state.tr.replaceSelectionWith(br.create()).scrollIntoView());
return true;
}
return false;
});
bind("Mod-Enter", cmd);
bind("Shift-Enter", cmd);
if (mac) {
bind("Ctrl-Enter", cmd);
}
}
if (type = schema.nodes.list_item) {
bind("Enter", splitListItem(type));
bind("Shift-Tab", liftListItem(type));
bind("Tab", sinkListItem(type));
}
if (type = schema.nodes.paragraph) {
bind("Shift-Ctrl-0", setBlockType(type));
}
if (type = schema.nodes.code_block) {
bind("Shift-Ctrl-\\", setBlockType(type));
}
if (type = schema.nodes.heading) {
for (let i = 1; i <= 6; i++) {
bind("Shift-Ctrl-" + i, setBlockType(type, { level: i }));
}
}
if (type = schema.nodes.horizontal_rule) {
let hr = type;
bind("Mod-_", (state: EditorState<S>, dispatch: (tx: Transaction<S>) => void) => {
dispatch(state.tr.replaceSelectionWith(hr.create()).scrollIntoView());
return true;
});
}
bind("Mod-s", TooltipTextMenu.insertStar);
return keys;
}
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