159 lines
3.8 KiB
Vue
159 lines
3.8 KiB
Vue
<!--
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SPDX-FileCopyrightText: syuilo and misskey-project
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SPDX-License-Identifier: AGPL-3.0-only
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-->
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<!-- eslint-disable vue/no-v-html -->
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<template>
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<div :class="[$style.codeBlockRoot, { [$style.codeEditor]: codeEditor }, (darkMode ? $style.dark : $style.light)]" v-html="html"></div>
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</template>
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<script lang="ts" setup>
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import { ref, computed, watch } from 'vue';
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import { bundledLanguagesInfo } from 'shiki';
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import type { BuiltinLanguage } from 'shiki';
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import { getHighlighter, getTheme } from '@/scripts/code-highlighter.js';
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import { defaultStore } from '@/store.js';
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const props = defineProps<{
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code: string;
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lang?: string;
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codeEditor?: boolean;
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}>();
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const highlighter = await getHighlighter();
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const darkMode = defaultStore.reactiveState.darkMode;
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const codeLang = ref<BuiltinLanguage | 'aiscript'>('js');
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const [lightThemeName, darkThemeName] = await Promise.all([
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getTheme('light', true),
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getTheme('dark', true),
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]);
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const html = computed(() => highlighter.codeToHtml(props.code, {
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lang: codeLang.value,
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themes: {
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fallback: 'dark-plus',
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light: lightThemeName,
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dark: darkThemeName,
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},
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defaultColor: false,
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cssVariablePrefix: '--shiki-',
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}));
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async function fetchLanguage(to: string): Promise<void> {
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const language = to as BuiltinLanguage;
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// Check for the loaded languages, and load the language if it's not loaded yet.
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if (!highlighter.getLoadedLanguages().includes(language)) {
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// Check if the language is supported by Shiki
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const bundles = bundledLanguagesInfo.filter((bundle) => {
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// Languages are specified by their id, they can also have aliases (i. e. "js" and "javascript")
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return bundle.id === language || bundle.aliases?.includes(language);
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});
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if (bundles.length > 0) {
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if (_DEV_) console.log(`Loading language: ${language}`);
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await highlighter.loadLanguage(bundles[0].import);
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codeLang.value = language;
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} else {
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codeLang.value = 'js';
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}
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} else {
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codeLang.value = language;
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}
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}
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watch(() => props.lang, (to) => {
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if (codeLang.value === to || !to) return;
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return new Promise((resolve) => {
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fetchLanguage(to).then(() => resolve);
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});
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}, { immediate: true });
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</script>
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<style module lang="scss">
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.codeBlockRoot :global(.shiki) > code {
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counter-reset: step;
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counter-increment: step 0;
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}
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.codeBlockRoot :global(.shiki) > code > span::before {
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content: counter(step);
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counter-increment: step;
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width: 1rem;
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margin-right: 1.5rem;
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display: inline-block;
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text-align: right;
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color: rgba(115,138,148,.4)
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}
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.codeBlockRoot :global(.shiki) {
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padding: 1em;
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margin: .5em 0;
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overflow: auto;
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border-radius: var(--radius-sm);
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border: 1px solid var(--divider);
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font-family: Consolas, Monaco, Andale Mono, Ubuntu Mono, monospace;
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color: var(--shiki-fallback);
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background-color: var(--shiki-fallback-bg);
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& span {
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color: var(--shiki-fallback);
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background-color: var(--shiki-fallback-bg);
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}
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& pre,
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& code {
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font-family: Consolas, Monaco, Andale Mono, Ubuntu Mono, monospace;
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}
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}
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.light.codeBlockRoot :global(.shiki) {
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color: var(--shiki-light);
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background-color: var(--shiki-light-bg);
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& span {
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color: var(--shiki-light);
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background-color: var(--shiki-light-bg);
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}
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}
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.dark.codeBlockRoot :global(.shiki) {
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color: var(--shiki-dark);
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background-color: var(--shiki-dark-bg);
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& span {
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color: var(--shiki-dark);
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background-color: var(--shiki-dark-bg);
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}
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}
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.codeBlockRoot.codeEditor {
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min-width: 100%;
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height: 100%;
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& :global(.shiki) {
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padding: 12px;
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margin: 0;
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border-radius: var(--radius-sm);
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border: none;
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min-height: 130px;
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pointer-events: none;
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min-width: calc(100% - 24px);
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height: 100%;
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display: inline-block;
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line-height: 1.5em;
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font-size: 1em;
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overflow: visible;
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text-rendering: inherit;
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text-transform: inherit;
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white-space: pre;
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& span {
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display: inline-block;
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min-height: 1em;
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}
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}
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}
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</style>
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