39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
/*global CodeMirror*/
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// CodeMirror doesn't seem to have anyway to hook into whether a mode
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// has already loaded, or when a mode has finished loading
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// follow more or less what CodeMirror does but doesn't expose
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// see codemirror/addon/mode/loadmode.js
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export const createLoader = function(
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$$ = document.getElementsByTagName.bind(document),
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CM = CodeMirror
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) {
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CM.registerHelper('lint', 'ruby', function(text) {
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return [];
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});
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return function(editor, mode, cb) {
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let scripts = [...$$('script')];
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const loaded = scripts.find(function(item) {
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return item.src.indexOf(`/codemirror/mode/${mode}/${mode}.js`) !== -1;
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});
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CM.autoLoadMode(editor, mode);
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if (loaded) {
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cb();
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} else {
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scripts = [...$$('script')];
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CM.on(scripts[0], 'load', function() {
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cb();
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});
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}
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};
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};
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const load = createLoader();
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export default function(editor, mode) {
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load(editor, mode, function() {
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if (editor.getValue().trim().length) {
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editor.performLint();
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}
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});
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}
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