From eb59ca5836ae8454885827bcf28a8476600bd122 Mon Sep 17 00:00:00 2001
From: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Date: Thu, 3 Nov 2022 14:37:24 +0000
Subject: [PATCH] fix: resolve issues with vue-easymde (#2629)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/2629
Co-authored-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Co-committed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
---
 package.json                         |  1 +
 pnpm-lock.yaml                       |  5 +-
 src/components/input/vue-easymde.vue | 69 +++++++++++++++-------------
 3 files changed, 39 insertions(+), 36 deletions(-)

diff --git a/package.json b/package.json
index 8a7eee035a..c5db21414a 100644
--- a/package.json
+++ b/package.json
@@ -70,6 +70,7 @@
     "@cypress/vue": "4.2.2",
     "@faker-js/faker": "7.6.0",
     "@rushstack/eslint-patch": "1.2.0",
+    "@types/codemirror": "^5.60.5",
     "@types/dompurify": "2.3.4",
     "@types/flexsearch": "0.7.3",
     "@types/lodash.debounce": "4.0.7",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e756a3b1a4..d94545b1e3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -15,6 +15,7 @@ specifiers:
   '@rushstack/eslint-patch': 1.2.0
   '@sentry/tracing': 7.17.4
   '@sentry/vue': 7.17.4
+  '@types/codemirror': ^5.60.5
   '@types/dompurify': 2.3.4
   '@types/flexsearch': 0.7.3
   '@types/is-touch-device': 1.0.0
@@ -142,6 +143,7 @@ devDependencies:
   '@cypress/vue': 4.2.2_cypress@10.11.0+vue@3.2.41
   '@faker-js/faker': 7.6.0
   '@rushstack/eslint-patch': 1.2.0
+  '@types/codemirror': 5.60.5
   '@types/dompurify': 2.3.4
   '@types/flexsearch': 0.7.3
   '@types/lodash.debounce': 4.0.7
@@ -2911,7 +2913,6 @@ packages:
     resolution: {integrity: sha512-TiECZmm8St5YxjFUp64LK0c8WU5bxMDt9YaAek1UqUb9swrSCoJhh92fWu1p3mTEqlHjhB5sY7OFBhWroJXZVg==}
     dependencies:
       '@types/tern': 0.23.4
-    dev: false
 
   /@types/concat-stream/1.6.1:
     resolution: {integrity: sha512-eHE4cQPoj6ngxBZMvVf6Hw7Mh4jMW4U9lpGmS5GBPB9RYxlFg+CHaVN7ErNY4W9XfLIEn20b4VDYaIrbq0q4uA==}
@@ -2945,7 +2946,6 @@ packages:
 
   /@types/estree/0.0.51:
     resolution: {integrity: sha512-CuPgU6f3eT/XgKKPqKd/gLZV1Xmvf1a2R5POBOGQa6uv82xpls89HU5zKeVoyR8XzHd1RGNOlQlvUe3CFkjWNQ==}
-    dev: false
 
   /@types/flexsearch/0.7.3:
     resolution: {integrity: sha512-HXwADeHEP4exXkCIwy2n1+i0f1ilP1ETQOH5KDOugjkTFZPntWo0Gr8stZOaebkxsdx+k0X/K6obU/+it07ocg==}
@@ -3117,7 +3117,6 @@ packages:
     resolution: {integrity: sha512-JAUw1iXGO1qaWwEOzxTKJZ/5JxVeON9kvGZ/osgZaJImBnyjyn0cjovPsf6FNLmyGY8Vw9DoXZCMlfMkMwHRWg==}
     dependencies:
       '@types/estree': 0.0.51
-    dev: false
 
   /@types/trusted-types/2.0.2:
     resolution: {integrity: sha512-F5DIZ36YVLE+PN+Zwws4kJogq47hNgX3Nx6WyDJ3kcplxyke3XIzB8uK5n/Lpm1HBsbGzd6nmGehL8cPekP+Tg==}
diff --git a/src/components/input/vue-easymde.vue b/src/components/input/vue-easymde.vue
index def91c5be8..208c3da5f7 100644
--- a/src/components/input/vue-easymde.vue
+++ b/src/components/input/vue-easymde.vue
@@ -4,22 +4,28 @@
       class="vue-simplemde-textarea"
       :name="name"
       :value="modelValue"
-      @input="handleInput($event.target.value)"
+      @input="handleInput(($event.target as HTMLTextAreaElement).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 {ref, watch, onMounted, onDeactivated, onBeforeUnmount, nextTick, shallowReactive, type ShallowReactive, type PropType} from 'vue'
+import EasyMDE, {toggleFullScreen} from 'easymde'
 import {marked} from 'marked'
+import type CodeMirror from 'codemirror'
 
 const props = defineProps({
-	modelValue: String,
-	name: String,
-	previewClass: String,
+	modelValue: {
+		type: String,
+		default: '',
+	},
+	name: {
+		type: String,
+	},
+	previewClass: {
+		type: String,
+	},
 	autoinit: {
 		type: Boolean,
 		default: true,
@@ -37,7 +43,7 @@ const props = defineProps({
 		default: () => ({}),
 	},
 	previewRender: {
-		type: Function,
+		type: Function as PropType<EasyMDE.Options['previewRender']>,
 	},
 })
 
@@ -51,9 +57,9 @@ onMounted(() => {
 })
 
 onDeactivated(() => {
-	if (!easymde) return
-	const isFullScreen = easymde.codemirror.getOption('fullScreen')
-	if (isFullScreen) easymde.toggleFullScreen()
+	if (easymde === undefined) return
+	if (easymde.isFullscreenActive()) toggleFullScreen(easymde)
+	easymde.toTextArea
 })
 
 onBeforeUnmount(() => {
@@ -67,8 +73,8 @@ onBeforeUnmount(() => {
 const easymdeRef = ref<HTMLElement | null>(null)
 
 function initialize() {
-	const configs = Object.assign({
-		element: easymdeRef.value?.firstElementChild,
+	const configs: EasyMDE.Options = Object.assign({
+		element: easymdeRef.value?.firstElementChild as HTMLElement,
 		initialValue: props.modelValue,
 		previewRender: props.previewRender,
 		renderingConfig: {},
@@ -81,7 +87,7 @@ function initialize() {
 
 	// Determine whether to enable code highlighting
 	if (props.highlight) {
-		configs.renderingConfig.codeSyntaxHighlighting = true
+		configs.renderingConfig!.codeSyntaxHighlighting = true
 	}
 
 	// Set whether to render the input html
@@ -92,15 +98,16 @@ function initialize() {
 
 	// Add a custom previewClass
 	const className = props.previewClass || ''
-	addPreviewClass(className)
+	addPreviewClass(easymde, className)
 
 	// Binding event
-	bindingEvents()
+	easymde.codemirror.on('change', handleCodemirrorInput)
+	easymde.codemirror.on('blur', handleCodemirrorBlur)
 
 	nextTick(() => emit('initialized', easymde))
 }
 
-function addPreviewClass(className: string) {
+function addPreviewClass(easymde: EasyMDE, className: string) {
 	const wrapper = easymde.codemirror.getWrapperElement()
 	const preview = document.createElement('div')
 	wrapper.nextSibling.className += ` ${className}`
@@ -108,28 +115,24 @@ function addPreviewClass(className: string) {
 	wrapper.appendChild(preview)
 }
 
-function bindingEvents() {
-	easymde.codemirror.on('change', handleCodemirrorInput)
-	easymde.codemirror.on('blur', handleCodemirrorBlur)
+function handleInput(val: string) {
+	isValueUpdateFromInner.value = true
+	emit('update:modelValue', val)
 }
 
-function handleCodemirrorInput(instance, changeObj)  {
-	if (changeObj.origin === 'setValue') {
+function handleCodemirrorInput(instance: CodeMirror.Editor, changeObj: CodeMirror.EditorChange)  {
+	if (changeObj.origin === 'setValue' || easymde === undefined) {
 		return
 	}
-	const val = easymde.value()
-	handleInput(val)
+	handleInput(easymde.value())
 }
 
 function handleCodemirrorBlur() {
-	const val = easymde.value()
+	if (easymde === undefined) {
+		return
+	}
 	isValueUpdateFromInner.value = true
-	emit('blur', val)
-}
-
-function handleInput(val) {
-	isValueUpdateFromInner.value = true
-	emit('update:modelValue', val)
+	emit('blur', easymde.value())
 }
 
 watch(
@@ -138,7 +141,7 @@ watch(
 		if (isValueUpdateFromInner.value) {
 			isValueUpdateFromInner.value = false
 		} else {
-			easymde.value(val)
+			easymde?.value(val)
 		}
 	},
 )