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82 lines
2.5 KiB
82 lines
2.5 KiB
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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var w3cKeyname = require('w3c-keyname');
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var prosemirrorState = require('prosemirror-state');
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var mac = typeof navigator != "undefined" ? /Mac|iP(hone|[oa]d)/.test(navigator.platform) : false;
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function normalizeKeyName(name) {
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var parts = name.split(/-(?!$)/),
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result = parts[parts.length - 1];
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if (result == "Space") result = " ";
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var alt, ctrl, shift, meta;
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for (var i = 0; i < parts.length - 1; i++) {
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var mod = parts[i];
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if (/^(cmd|meta|m)$/i.test(mod)) meta = true;else if (/^a(lt)?$/i.test(mod)) alt = true;else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true;else if (/^s(hift)?$/i.test(mod)) shift = true;else if (/^mod$/i.test(mod)) {
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if (mac) meta = true;else ctrl = true;
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} else throw new Error("Unrecognized modifier name: " + mod);
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}
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if (alt) result = "Alt-" + result;
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if (ctrl) result = "Ctrl-" + result;
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if (meta) result = "Meta-" + result;
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if (shift) result = "Shift-" + result;
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return result;
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}
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function normalize(map) {
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var copy = Object.create(null);
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for (var prop in map) {
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copy[normalizeKeyName(prop)] = map[prop];
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}
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return copy;
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}
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function modifiers(name, event, shift) {
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if (event.altKey) name = "Alt-" + name;
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if (event.ctrlKey) name = "Ctrl-" + name;
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if (event.metaKey) name = "Meta-" + name;
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if (shift !== false && event.shiftKey) name = "Shift-" + name;
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return name;
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}
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function keymap(bindings) {
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return new prosemirrorState.Plugin({
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props: {
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handleKeyDown: keydownHandler(bindings)
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}
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});
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}
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function keydownHandler(bindings) {
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var map = normalize(bindings);
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return function (view, event) {
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var name = w3cKeyname.keyName(event),
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isChar = name.length == 1 && name != " ",
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baseName;
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var direct = map[modifiers(name, event, !isChar)];
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if (direct && direct(view.state, view.dispatch, view)) return true;
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if (isChar && (event.shiftKey || event.altKey || event.metaKey || name.charCodeAt(0) > 127) && (baseName = w3cKeyname.base[event.keyCode]) && baseName != name) {
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var fromCode = map[modifiers(baseName, event, true)];
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if (fromCode && fromCode(view.state, view.dispatch, view)) return true;
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} else if (isChar && event.shiftKey) {
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var withShift = map[modifiers(name, event, true)];
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if (withShift && withShift(view.state, view.dispatch, view)) return true;
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}
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return false;
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};
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}
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exports.keydownHandler = keydownHandler;
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exports.keymap = keymap;
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