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Bugfix: Make component entirely reactive #52

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Bugfix: Make component entirely reactive #52

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c8ee1e9
Make component entirely reactive
Voltra Aug 12, 2023
9e495f1
Ensure conditionals are properly executed
Voltra Aug 12, 2023
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37 changes: 21 additions & 16 deletions src/index.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { h, defineComponent } from 'vue'
import { h, defineComponent, computed } from 'vue'
import Prism from 'prismjs'

export default defineComponent({
Expand All @@ -16,40 +16,45 @@ export default defineComponent({
}
},
setup(props, { slots, attrs }) {
const defaultSlot = (slots && slots.default && slots.default()) || []
const code =
props.code || (defaultSlot && defaultSlot.length)
? defaultSlot[0].children
: ''
const inline = props.inline
const language = props.language
const prismLanguage = Prism.languages[language]
const className = `language-${language}`
const defaultSlot = computed(() => (slots && slots.default && slots.default()) || []);
const code = computed(() => {
return props.code
|| (
defaultSlot.value && defaultSlot.value.length
? defaultSlot.value[0].children
: ''
)
);
const prismLanguage = computed(() => Prism.languages[props.language]);
const className = computed(() => `language-${props.language}`);

if (process.env.NODE_ENV === 'development' && !prismLanguage) {
throw new Error(
`Prism component for language "${language}" was not found, did you forget to register it? See all available ones: https://cdn.jsdelivr.net/npm/prismjs/components/`
)
}

const highlightedCode = computed(() => Prism.highlight(code.value, prismLanguage.value));

return () => {
if (inline) {
if (props.inline) {
return h('code', {
class: [className],
innerHTML: Prism.highlight(code, prismLanguage)
class: [className.value],
innerHTML: highlightedCode.value
})
}

return h(
'pre',
{
...attrs,
class: [attrs.class, className]
class: [attrs.class, className.value]
},
[
h('code', {
...attrs,
class: [attrs.class, className],
innerHTML: Prism.highlight(code, prismLanguage)
class: [attrs.class, className.value],
innerHTML: highlightedCode.value
})
]
)
Expand Down