/
codemirror.ts
77 lines (67 loc) · 1.73 KB
/
codemirror.ts
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function CodeMirror(node: HTMLElement, { value, ...options }) {
let _eventListeners = {};
const mockWrapper = document.createElement('div');
const mockGutter = document.createElement('div');
mockGutter.className = 'CodeMirror-gutter';
const mockTextArea = document.createElement('textarea');
mockTextArea.className = 'mockCodeMirror';
mockTextArea.addEventListener('change', e => {
_emit('change', e);
});
mockTextArea.value = value;
mockWrapper.append(mockGutter, mockTextArea);
node.append(mockWrapper);
function _emit(event, data) {
if (_eventListeners[event]) {
_eventListeners[event](data);
}
}
return {
options: {
...options,
lint: {
linterOptions: {},
},
},
state: {
lint: {
linterOptions: {},
},
},
on(event, handler) {
_eventListeners[event] = handler;
},
off(event) {
if (!Object.prototype.hasOwnProperty.call(_eventListeners, event)) {
return;
}
const updatedEventListeners = {};
for (const e in _eventListeners) {
if (e !== event) {
updatedEventListeners[e] = _eventListeners[e];
}
}
_eventListeners = updatedEventListeners;
},
getValue() {
return mockTextArea.value;
},
setValue(newValue) {
mockTextArea.value = newValue;
},
addKeyMap() {},
removeKeyMap() {},
setOption() {},
refresh() {},
setSize() {},
emit: _emit,
};
}
CodeMirror.defineExtension = () => {};
CodeMirror.registerHelper = () => {};
CodeMirror.defineOption = () => {};
CodeMirror.defineMode = () => {};
CodeMirror.signal = (mockCodeMirror, event, ...args) => {
mockCodeMirror.emit(event, ...args);
};
module.exports = CodeMirror;