import Embed from '../blots/embed';
|
import Quill from '../core/quill';
|
import Module from '../core/module';
|
|
|
class FormulaBlot extends Embed {
|
static create(value) {
|
let node = super.create(value);
|
if (typeof value === 'string') {
|
window.katex.render(value, node, {
|
throwOnError: false,
|
errorColor: '#f00'
|
});
|
node.setAttribute('data-value', value);
|
}
|
return node;
|
}
|
|
static value(domNode) {
|
return domNode.getAttribute('data-value');
|
}
|
}
|
FormulaBlot.blotName = 'formula';
|
FormulaBlot.className = 'ql-formula';
|
FormulaBlot.tagName = 'SPAN';
|
|
|
class Formula extends Module {
|
static register() {
|
Quill.register(FormulaBlot, true);
|
}
|
|
constructor() {
|
super();
|
if (window.katex == null) {
|
throw new Error('Formula module requires KaTeX.');
|
}
|
}
|
}
|
|
|
export { FormulaBlot, Formula as default };
|
