@zodiac-ui/editor
Version:
A rich text editor for Angular based on `@atlaskit/editor-core`.
82 lines • 11.5 kB
JavaScript
// Hat tip https://github.com/hacdias
// Most of the code from this file comes from:
// https://github.com/codemirror/CodeMirror/blob/master/addon/mode/loadmode.js
import * as BaseCodeMirrorNs from 'codemirror';
import "codemirror/addon/mode/overlay";
import "codemirror/addon/mode/multiplex";
import "codemirror/addon/mode/simple";
import "codemirror/mode/meta";
const BaseCodeMirror = BaseCodeMirrorNs;
if (!window.CodeMirror) {
window.CodeMirror = BaseCodeMirror;
}
const loading = {};
function splitCallback(cont, n) {
let countDown = n;
return function () {
if (--countDown === 0)
cont();
};
}
export function getMode(name) {
if (BaseCodeMirror.findModeByName) {
return BaseCodeMirror.findModeByName(name);
}
return null;
}
export const globalConfig = {};
function ensureDeps(mode, cont) {
const deps = BaseCodeMirror.modes[mode].dependencies;
if (!deps)
return cont(false);
const missing = [];
for (let i = 0; i < deps.length; ++i) {
if (!BaseCodeMirror.modes.hasOwnProperty(deps[i]))
missing.push(deps[i]);
}
if (!missing.length)
return cont(false);
const split = splitCallback(cont, missing.length);
for (let i = 0; i < missing.length; ++i)
CodeMirror.requireMode(missing[i], split);
}
export const modeInfo = BaseCodeMirror.modeInfo;
export class CodeMirror extends BaseCodeMirror {
constructor(node, opts) {
BaseCodeMirror.modeURL = globalConfig.modeURL ? globalConfig.modeURL : 'assets/mode/%N/%N.js';
if (!window.CodeMirror) {
// Make CodeMirror available globally so the modes' can register themselves.
}
super(node, opts);
}
static requireMode(mode, cont) {
if (typeof mode !== 'string')
mode = mode.name;
if (BaseCodeMirror.modes.hasOwnProperty(mode))
return ensureDeps(mode, cont);
if (loading.hasOwnProperty(mode))
return loading[mode].push(cont);
const file = BaseCodeMirror.modeURL.replace(/%N/g, mode);
const script = document.createElement('script');
script.src = file;
const others = document.getElementsByTagName('script')[0];
const list = loading[mode] = [cont];
BaseCodeMirror.on(script, 'load', function () {
ensureDeps(mode, function () {
for (let i = 0; i < list.length; ++i)
list[i](true);
});
});
others.parentNode.insertBefore(script, others);
}
static autoLoadMode(instance, mode) {
if (BaseCodeMirror.modes.hasOwnProperty(mode))
return;
CodeMirror.requireMode(mode, function () {
instance.setOption('mode', instance.getOption('mode'));
});
}
}
CodeMirror.normalizeKeyMap = BaseCodeMirror.normalizeKeyMap;
CodeMirror.Pass = BaseCodeMirror.Pass;
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i < deps.length; ++i) {\r\n        if (!BaseCodeMirror.modes.hasOwnProperty(deps[i])) missing.push(deps[i])\r\n    }\r\n    if (!missing.length) return cont(false)\r\n    const split = splitCallback(cont, missing.length)\r\n    for (let i = 0; i < missing.length; ++i) CodeMirror.requireMode(missing[i], split)\r\n}\r\n\r\nexport interface ModeInfo {\r\n    name: string\r\n    mimes: string[]\r\n    mode: string\r\n    ext?: string[]\r\n    alias?: string[]\r\n    file?: string\r\n}\r\n\r\nexport const modeInfo: ModeInfo[] = BaseCodeMirror.modeInfo\r\n\r\nexport class CodeMirror extends BaseCodeMirror {\r\n\r\n    static normalizeKeyMap: any = BaseCodeMirror.normalizeKeyMap\r\n    static Pass: any = BaseCodeMirror.Pass\r\n\r\n    constructor(node, opts) {\r\n        BaseCodeMirror.modeURL = globalConfig.modeURL ? globalConfig.modeURL : 'assets/mode/%N/%N.js'\r\n\r\n        if (!(<any>window).CodeMirror) {\r\n            // Make CodeMirror available globally so the modes' can register themselves.\r\n        }\r\n        super(node, opts)\r\n    }\r\n\r\n    static requireMode(mode, cont) {\r\n        if (typeof mode !== 'string') mode = mode.name\r\n        if (BaseCodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont)\r\n        if (loading.hasOwnProperty(mode)) return loading[mode].push(cont)\r\n\r\n        const file = BaseCodeMirror.modeURL.replace(/%N/g, mode)\r\n\r\n        const script = document.createElement('script')\r\n        script.src = file\r\n        const others = document.getElementsByTagName('script')[0]\r\n        const list = loading[mode] = [cont]\r\n\r\n        BaseCodeMirror.on(script, 'load', function () {\r\n            ensureDeps(mode, function () {\r\n                for (let i = 0; i < list.length; ++i) list[i](true)\r\n            })\r\n        })\r\n\r\n        others.parentNode.insertBefore(script, others)\r\n    }\r\n\r\n    static autoLoadMode(instance, mode) {\r\n        if (BaseCodeMirror.modes.hasOwnProperty(mode)) return\r\n\r\n        CodeMirror.requireMode(mode, function () {\r\n            instance.setOption('mode', instance.getOption('mode'))\r\n        })\r\n    }\r\n}\r\n"]}