Merge tag '2023.11.0' into merge-upstream

packages/frontend/src/components/MkCodeEditor.vue

@@ -0,0 +1,168 @@
+<!--
+SPDX-FileCopyrightText: syuilo and other misskey contributors
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="[$style.codeEditorRoot, { [$style.disabled]: disabled, [$style.focused]: focused }]">
+	<div :class="$style.codeEditorScroller">
+		<textarea
+			ref="inputEl"
+			v-model="vModel"
+			:class="[$style.textarea]"
+			:placeholder="placeholder"
+			:disabled="disabled"
+			:required="required"
+			:readonly="readonly"
+			autocomplete="off"
+			wrap="off"
+			spellcheck="false"
+			@focus="focused = true"
+			@blur="focused = false"
+			@keydown="onKeydown($event)"
+			@input="onInput"
+		></textarea>
+		<XCode :class="$style.codeEditorHighlighter" :codeEditor="true" :code="v" :lang="lang"/>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { ref, watch, toRefs, shallowRef, nextTick } from 'vue';
+import XCode from '@/components/MkCode.core.vue';
+
+const props = withDefaults(defineProps<{
+	modelValue: string | null;
+	lang: string;
+	placeholder?: string;
+	required?: boolean;
+	readonly?: boolean;
+	disabled?: boolean;
+}>(), {
+	lang: 'js',
+});
+
+const emit = defineEmits<{
+	(ev: 'change', _ev: KeyboardEvent): void;
+	(ev: 'keydown', _ev: KeyboardEvent): void;
+	(ev: 'enter'): void;
+	(ev: 'update:modelValue', value: string): void;
+}>();
+
+const { modelValue } = toRefs(props);
+const vModel = ref<string>(modelValue.value ?? '');
+const v = ref<string>(modelValue.value ?? '');
+const focused = ref(false);
+const changed = ref(false);
+const inputEl = shallowRef<HTMLTextAreaElement>();
+
+const onInput = (ev) => {
+	v.value = ev.target?.value ?? v.value;
+	changed.value = true;
+	emit('change', ev);
+};
+
+const onKeydown = (ev: KeyboardEvent) => {
+	if (ev.isComposing || ev.key === 'Process' || ev.keyCode === 229) return;
+
+	emit('keydown', ev);
+
+	if (ev.code === 'Enter') {
+		const pos = inputEl.value?.selectionStart ?? 0;
+		const posEnd = inputEl.value?.selectionEnd ?? vModel.value.length;
+		if (pos === posEnd) {
+			const lines = vModel.value.slice(0, pos).split('\n');
+			const currentLine = lines[lines.length - 1];
+			const currentLineSpaces = currentLine.match(/^\s+/);
+			const posDelta = currentLineSpaces ? currentLineSpaces[0].length : 0;
+			ev.preventDefault();
+			vModel.value = vModel.value.slice(0, pos) + '\n' + (currentLineSpaces ? currentLineSpaces[0] : '') + vModel.value.slice(pos);
+			v.value = vModel.value;
+			nextTick(() => {
+				inputEl.value?.setSelectionRange(pos + 1 + posDelta, pos + 1 + posDelta);
+			});
+		}
+		emit('enter');
+	}
+
+	if (ev.key === 'Tab') {
+		const pos = inputEl.value?.selectionStart ?? 0;
+		const posEnd = inputEl.value?.selectionEnd ?? vModel.value.length;
+		vModel.value = vModel.value.slice(0, pos) + '\t' + vModel.value.slice(posEnd);
+		v.value = vModel.value;
+		nextTick(() => {
+			inputEl.value?.setSelectionRange(pos + 1, pos + 1);
+		});
+		ev.preventDefault();
+	}
+};
+
+const updated = () => {
+	changed.value = false;
+	emit('update:modelValue', v.value);
+};
+
+watch(modelValue, newValue => {
+	v.value = newValue ?? '';
+});
+
+watch(v, () => {
+	updated();
+});
+</script>
+
+<style lang="scss" module>
+.codeEditorRoot {
+	min-width: 100%;
+	max-width: 100%;
+	overflow-x: auto;
+	overflow-y: hidden;
+	box-sizing: border-box;
+	margin: 0;
+	padding: 0;
+	color: var(--fg);
+	border: solid 1px var(--panel);
+	transition: border-color 0.1s ease-out;
+	font-family: Consolas, Monaco, Andale Mono, Ubuntu Mono, monospace;
+	&:hover {
+		border-color: var(--inputBorderHover) !important;
+	}
+}
+
+.focused.codeEditorRoot {
+	border-color: var(--accent) !important;
+	border-radius: 6px;
+}
+
+.codeEditorScroller {
+	position: relative;
+	display: inline-block;
+	min-width: 100%;
+	height: 100%;
+}
+
+.textarea {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	display: inline-block;
+	appearance: none;
+	resize: none;
+	text-align: left;
+	color: transparent;
+	caret-color: rgb(225, 228, 232);
+	background-color: transparent;
+	border: 0;
+	outline: 0;
+	padding: 12px;
+	line-height: 1.5em;
+	font-size: 1em;
+	font-family: Consolas, Monaco, Andale Mono, Ubuntu Mono, monospace;
+}
+
+.textarea::selection {
+	color: #fff;
+}
+</style>