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<script>
import { GlSafeHtmlDirective as SafeHtml } from '@gitlab/ui';
import 'mathjax/es5/tex-svg';
import Prompt from '../prompt.vue';
export default {
name: 'LatexOutput',
components: {
Prompt,
},
directives: {
SafeHtml,
},
props: {
count: {
type: Number,
required: true,
},
rawCode: {
type: String,
required: true,
},
index: {
type: Number,
required: true,
},
},
computed: {
code() {
// MathJax will not parse out the inline delimeters "$$" correctly
// so we remove them from the raw code itself
const parsedCode = this.rawCode.replace(/\$\$/g, '');
const svg = window.MathJax.tex2svg(parsedCode);
// NOTE: This is used with `v-html` and not `v-safe-html` due to an
// issue with dompurify stripping out xlink attributes from use tags
return svg.outerHTML;
},
},
safeHtmlConfig: {
// to support SVGs and custom tags for mathjax
ADD_TAGS: ['use', 'mjx-container', 'mjx-tool', 'mjx-status', 'mjx-tip'],
},
};
</script>
<template>
<div class="output">
<prompt type="Out" :count="count" :show-output="index === 0" />
<div ref="maths" v-safe-html:[$options.safeHtmlConfig]="code"></div>
</div>
</template>
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