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42 lines
881 B
42 lines
881 B
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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