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