From e6af4772fbbdc51a190dbf1772b708016bb37f31 Mon Sep 17 00:00:00 2001
From: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Date: Sun, 22 May 2022 20:44:22 +0000
Subject: [PATCH] feat: vue-easymde script setup (#1983)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/1983
Reviewed-by: konrad <k@knt.li>
Co-authored-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Co-committed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
---
 src/components/input/editor.vue               |   3 +-
 .../vue-easymde.css => vue-easymde.vue}       | 175 ++++++++++++++++--
 .../input/vue-easymde/vue-easymde.vue         | 159 ----------------
 3 files changed, 161 insertions(+), 176 deletions(-)
 rename src/components/input/{vue-easymde/vue-easymde.css => vue-easymde.vue} (66%)
 delete mode 100644 src/components/input/vue-easymde/vue-easymde.vue

diff --git a/src/components/input/editor.vue b/src/components/input/editor.vue
index c4eff6a0e..a6a7811de 100644
--- a/src/components/input/editor.vue
+++ b/src/components/input/editor.vue
@@ -50,7 +50,7 @@
 <script lang="ts">
 import {defineComponent} from 'vue'
 
-import VueEasymde from './vue-easymde/vue-easymde.vue'
+import VueEasymde from './vue-easymde.vue'
 import {marked} from 'marked'
 import DOMPurify from 'dompurify'
 import hljs from 'highlight.js/lib/common'
@@ -316,7 +316,6 @@ export default defineComponent({
 
 <style lang="scss">
 @import 'codemirror/lib/codemirror.css';
-@import './vue-easymde/vue-easymde.css';
 @import 'highlight.js/scss/base16/equilibrium-gray-light';
 
 .editor {
diff --git a/src/components/input/vue-easymde/vue-easymde.css b/src/components/input/vue-easymde.vue
similarity index 66%
rename from src/components/input/vue-easymde/vue-easymde.css
rename to src/components/input/vue-easymde.vue
index d5b7f2e7b..def91c5be 100644
--- a/src/components/input/vue-easymde/vue-easymde.css
+++ b/src/components/input/vue-easymde.vue
@@ -1,3 +1,150 @@
+<template>
+  <div class="vue-easymde" ref="easymdeRef">
+    <textarea
+      class="vue-simplemde-textarea"
+      :name="name"
+      :value="modelValue"
+      @input="handleInput($event.target.value)"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import {ref, watch, onMounted, onDeactivated, onBeforeUnmount, nextTick, shallowReactive} from 'vue'
+import type { ShallowReactive } from 'vue'
+
+import EasyMDE from 'easymde'
+import {marked} from 'marked'
+
+const props = defineProps({
+	modelValue: String,
+	name: String,
+	previewClass: String,
+	autoinit: {
+		type: Boolean,
+		default: true,
+	},
+	highlight: {
+		type: Boolean,
+		default: false,
+	},
+	sanitize: {
+		type: Boolean,
+		default: false,
+	},
+	configs: {
+		type: Object,
+		default: () => ({}),
+	},
+	previewRender: {
+		type: Function,
+	},
+})
+
+const emit = defineEmits(['update:modelValue', 'blur', 'initialized'])
+
+const isValueUpdateFromInner = ref(false)
+let easymde: ShallowReactive<EasyMDE> | undefined
+
+onMounted(() => {
+	if (props.autoinit) initialize()
+})
+
+onDeactivated(() => {
+	if (!easymde) return
+	const isFullScreen = easymde.codemirror.getOption('fullScreen')
+	if (isFullScreen) easymde.toggleFullScreen()
+})
+
+onBeforeUnmount(() => {
+	if (easymde) {
+		easymde.toTextArea()
+		easymde.cleanup()
+		easymde = undefined
+	}
+})
+
+const easymdeRef = ref<HTMLElement | null>(null)
+
+function initialize() {
+	const configs = Object.assign({
+		element: easymdeRef.value?.firstElementChild,
+		initialValue: props.modelValue,
+		previewRender: props.previewRender,
+		renderingConfig: {},
+	}, props.configs)
+
+	// Synchronize the values of value and initialValue
+	if (configs.initialValue) {
+		emit('update:modelValue', configs.initialValue)
+	}
+
+	// Determine whether to enable code highlighting
+	if (props.highlight) {
+		configs.renderingConfig.codeSyntaxHighlighting = true
+	}
+
+	// Set whether to render the input html
+	marked.setOptions({ sanitize: props.sanitize })
+
+	// Instantiated editor
+	easymde = shallowReactive(new EasyMDE(configs))
+
+	// Add a custom previewClass
+	const className = props.previewClass || ''
+	addPreviewClass(className)
+
+	// Binding event
+	bindingEvents()
+
+	nextTick(() => emit('initialized', easymde))
+}
+
+function addPreviewClass(className: string) {
+	const wrapper = easymde.codemirror.getWrapperElement()
+	const preview = document.createElement('div')
+	wrapper.nextSibling.className += ` ${className}`
+	preview.className = `editor-preview ${className}`
+	wrapper.appendChild(preview)
+}
+
+function bindingEvents() {
+	easymde.codemirror.on('change', handleCodemirrorInput)
+	easymde.codemirror.on('blur', handleCodemirrorBlur)
+}
+
+function handleCodemirrorInput(instance, changeObj)  {
+	if (changeObj.origin === 'setValue') {
+		return
+	}
+	const val = easymde.value()
+	handleInput(val)
+}
+
+function handleCodemirrorBlur() {
+	const val = easymde.value()
+	isValueUpdateFromInner.value = true
+	emit('blur', val)
+}
+
+function handleInput(val) {
+	isValueUpdateFromInner.value = true
+	emit('update:modelValue', val)
+}
+
+watch(
+	() => props.modelValue,
+	(val) => {
+		if (isValueUpdateFromInner.value) {
+			isValueUpdateFromInner.value = false
+		} else {
+			easymde.value(val)
+		}
+	},
+)
+</script>
+
+<style lang="scss">
 .EasyMDEContainer {
     display: block;
 }
@@ -58,10 +205,6 @@
 
 .editor-toolbar {
     position: relative;
-    -webkit-user-select: none;
-    -moz-user-select: none;
-    -ms-user-select: none;
-    -o-user-select: none;
     user-select: none;
     padding: 9px 10px;
     border-top: 1px solid #bbb;
@@ -89,11 +232,6 @@
 .editor-toolbar.fullscreen::before {
     width: 20px;
     height: 50px;
-    background: -moz-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
-    background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255, 255, 255, 1)), color-stop(100%, rgba(255, 255, 255, 0)));
-    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
-    background: -o-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
-    background: -ms-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
     background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
     position: fixed;
     top: 0;
@@ -105,11 +243,6 @@
 .editor-toolbar.fullscreen::after {
     width: 20px;
     height: 50px;
-    background: -moz-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
-    background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255, 255, 255, 0)), color-stop(100%, rgba(255, 255, 255, 1)));
-    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
-    background: -o-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
-    background: -ms-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
     background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
     position: fixed;
     top: 0;
@@ -371,4 +504,16 @@ span[data-img-src]::after{
     padding-top: var(--height);
     width: var(--width);
     background-repeat: no-repeat;
-}
\ No newline at end of file
+}
+</style>
+
+<style lang="scss" scoped>
+.vue-easymde .markdown-body {
+	padding: 0.5em
+}
+
+.vue-easymde .editor-preview-active,
+.vue-easymde .editor-preview-active-side {
+	display: block;
+}
+</style>
diff --git a/src/components/input/vue-easymde/vue-easymde.vue b/src/components/input/vue-easymde/vue-easymde.vue
deleted file mode 100644
index 434c2dd75..000000000
--- a/src/components/input/vue-easymde/vue-easymde.vue
+++ /dev/null
@@ -1,159 +0,0 @@
-<template>
-  <div class="vue-easymde">
-    <textarea
-      class="vue-simplemde-textarea"
-      :name="name"
-      :value="modelValue"
-      @input="handleInput($event.target.value)"
-    />
-  </div>
-</template>
-
-<script lang="ts">
-import {defineComponent} from 'vue'
-
-import EasyMDE from 'easymde'
-import {marked} from 'marked'
-
-export default defineComponent({
-  name: 'vue-easymde',
-  props: {
-    modelValue: String,
-    name: String,
-    previewClass: String,
-    autoinit: {
-      type: Boolean,
-      default: true,
-    },
-    highlight: {
-      type: Boolean,
-      default: false,
-    },
-    sanitize: {
-      type: Boolean,
-      default: false,
-    },
-    configs: {
-      type: Object,
-      default() {
-        return {}
-      },
-    },
-    previewRender: {
-      type: Function,
-    },
-  },
-	emits: ['update:modelValue', 'blur', 'initialized'],
-  data() {
-    return {
-      isValueUpdateFromInner: false,
-      easymde: null,
-    }
-  },
-  mounted() {
-    if (this.autoinit) this.initialize()
-  },
-  deactivated() {
-    const editor = this.easymde
-    if (!editor) return
-    const isFullScreen = editor.codemirror.getOption('fullScreen')
-    if (isFullScreen) editor.toggleFullScreen()
-  },
-	beforeUnmount() {
-		if (this.easymde) {
-			this.easymde.toTextArea()
-			this.easymde.cleanup()
-			this.easymde = null
-		}
-	},
-  methods: {
-    initialize() {
-      const configs = Object.assign({
-        element: this.$el.firstElementChild,
-        initialValue: this.modelValue,
-        previewRender: this.previewRender,
-        renderingConfig: {},
-      }, this.configs)
-
-      // Synchronize the values of value and initialValue
-      if (configs.initialValue) {
-        this.$emit('update:modelValue', configs.initialValue)
-      }
-
-      // Determine whether to enable code highlighting
-      if (this.highlight) {
-        configs.renderingConfig.codeSyntaxHighlighting = true
-      }
-
-      // Set whether to render the input html
-      marked.setOptions({ sanitize: this.sanitize })
-
-      // Instantiated editor
-      this.easymde = new EasyMDE(configs)
-
-      // Add a custom previewClass
-      const className = this.previewClass || ''
-      this.addPreviewClass(className)
-
-      // Binding event
-      this.bindingEvents()
-
-      this.$nextTick(() => {
-        this.$emit('initialized', this.easymde)
-      })
-    },
-
-    addPreviewClass(className) {
-      const wrapper = this.easymde.codemirror.getWrapperElement()
-      const preview = document.createElement('div')
-      wrapper.nextSibling.className += ` ${className}`
-      preview.className = `editor-preview ${className}`
-      wrapper.appendChild(preview)
-    },
-
-		bindingEvents() {
-      this.easymde.codemirror.on('change', this.handleCodemirrorInput)
-      this.easymde.codemirror.on('blur', this.handleCodemirrorBlur)
-    },
-
-    handleCodemirrorInput(instance, changeObj)  {
-			if (changeObj.origin === 'setValue') {
-				return
-			}
-			const val = this.easymde.value()
-			this.handleInput(val)
-		},
-
-    handleCodemirrorBlur() {
-			const val = this.easymde.value()
-      this.isValueUpdateFromInner = true
-      this.$emit('blur', val)
-    },
-
-    handleInput(val) {
-      this.isValueUpdateFromInner = true
-      this.$emit('update:modelValue', val)
-    },
-  },
-
-  watch: {
-    modelValue(val) {
-      if (this.isValueUpdateFromInner) {
-        this.isValueUpdateFromInner = false
-      } else {
-        this.easymde.value(val)
-      }
-    },
-  },
-})
-</script>
-
-<style lang="scss" scoped>
-.vue-easymde .markdown-body {
-padding: 0.5em
-}
-
-.vue-easymde .editor-preview-active, .vue-easymde .editor-preview-active-side {
-display: block;
-}
-</style>