89 lines
2.1 KiB
Vue
89 lines
2.1 KiB
Vue
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<script>
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import { GlSafeHtmlDirective } from '@gitlab/ui';
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import LineNumbers from '~/vue_shared/components/line_numbers.vue';
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export default {
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components: {
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LineNumbers,
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},
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directives: {
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SafeHtml: GlSafeHtmlDirective,
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},
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props: {
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content: {
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type: String,
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required: true,
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},
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language: {
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type: String,
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required: false,
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default: 'plaintext',
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},
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autoDetect: {
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type: Boolean,
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required: false,
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default: false,
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},
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},
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data() {
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return {
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languageDefinition: null,
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hljs: null,
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};
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},
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computed: {
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lineNumbers() {
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return this.content.split('\n').length;
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},
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highlightedContent() {
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let highlightedContent;
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if (this.hljs) {
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if (this.autoDetect) {
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highlightedContent = this.hljs.highlightAuto(this.content).value;
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} else if (this.languageDefinition) {
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highlightedContent = this.hljs.highlight(this.content, { language: this.language }).value;
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}
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}
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return highlightedContent;
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},
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},
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async mounted() {
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this.hljs = await this.loadHighlightJS();
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if (!this.autoDetect) {
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this.languageDefinition = await this.loadLanguage();
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}
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},
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methods: {
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loadHighlightJS() {
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// With auto-detect enabled we load all common languages else we load only the core (smallest footprint)
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return this.autoDetect ? import('highlight.js/lib/common') : import('highlight.js/lib/core');
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},
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async loadLanguage() {
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let languageDefinition;
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try {
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languageDefinition = await import(`highlight.js/lib/languages/${this.language}`);
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this.hljs.registerLanguage(this.language, languageDefinition.default);
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} catch (message) {
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this.$emit('error', message);
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}
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return languageDefinition;
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},
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},
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userColorScheme: window.gon.user_color_scheme,
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};
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</script>
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<template>
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<div class="file-content code" :class="$options.userColorScheme">
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<line-numbers :lines="lineNumbers" />
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<pre
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class="code gl-pl-3!"
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><code v-safe-html="highlightedContent" class="gl-white-space-pre-wrap!"></code>
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</pre>
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</div>
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</template>
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