66 lines
1.5 KiB
JavaScript
66 lines
1.5 KiB
JavaScript
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import { h, defineComponent, inject, ref, onMounted, watch, toRef, computed } from 'vue';
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import { logInjectionKey } from "./context.mjs";
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export default defineComponent({
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props: {
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line: {
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type: String,
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default: ''
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}
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},
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setup(props) {
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const {
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trimRef,
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highlightRef,
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languageRef,
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mergedHljsRef
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} =
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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inject(logInjectionKey);
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const selfRef = ref(null);
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const maybeTrimmedLinesRef = computed(() => {
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return trimRef.value ? props.line.trim() : props.line;
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});
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function setInnerHTML() {
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if (selfRef.value) {
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selfRef.value.innerHTML = generateCodeHTML(languageRef.value, maybeTrimmedLinesRef.value);
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}
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}
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function generateCodeHTML(language, code) {
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const {
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value: hljs
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} = mergedHljsRef;
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if (hljs) {
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if (language && hljs.getLanguage(language)) {
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return hljs.highlight(code, {
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language
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}).value;
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}
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}
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return code;
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}
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onMounted(() => {
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if (highlightRef.value) {
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setInnerHTML();
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}
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});
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watch(toRef(props, 'line'), () => {
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if (highlightRef.value) {
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setInnerHTML();
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}
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});
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return {
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highlight: highlightRef,
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selfRef,
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maybeTrimmedLines: maybeTrimmedLinesRef
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};
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},
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render() {
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const {
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highlight,
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maybeTrimmedLines
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} = this;
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return h("pre", {
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ref: "selfRef"
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}, highlight ? null : maybeTrimmedLines);
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}
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});
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