f6eff090e7
* Accept image pasting functionality * Bump to 0.7.1 * Default alt text should be like github * sync modelValue changes to codemirror state * Refactor image uploading in paste * Fix error handling in image upload
877 lines
23 KiB
Vue
877 lines
23 KiB
Vue
<template>
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<Modal ref="linkModal" header="Insert link">
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<div class="modal-insert">
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<label class="label" for="insert-link-label">
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<span class="label__title">Label</span>
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</label>
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<div class="iconified-input">
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<AlignLeftIcon />
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<input id="insert-link-label" v-model="linkText" type="text" placeholder="Enter label..." />
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<Button class="r-btn" @click="() => (linkText = '')">
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<XIcon />
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</Button>
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</div>
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<label class="label" for="insert-link-url">
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<span class="label__title">URL<span class="required">*</span></span>
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</label>
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<div class="iconified-input">
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<LinkIcon />
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<input
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id="insert-link-url"
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v-model="linkUrl"
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type="text"
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placeholder="Enter the link's URL..."
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@input="validateURL"
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/>
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<Button class="r-btn" @click="() => (linkUrl = '')">
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<XIcon />
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</Button>
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</div>
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<template v-if="linkValidationErrorMessage">
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<span class="label">
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<span class="label__title">Error</span>
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<span class="label__description">{{ linkValidationErrorMessage }}</span>
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</span>
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</template>
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<span class="label">
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<span class="label__title">Preview</span>
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<span class="label__description"></span>
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</span>
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<div class="markdown-body-wrapper">
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<div
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style="width: 100%"
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class="markdown-body"
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v-html="renderHighlightedString(linkMarkdown)"
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/>
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</div>
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<div class="input-group push-right">
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<Button :action="() => linkModal?.hide()"><XIcon /> Cancel</Button>
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<Button
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color="primary"
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:disabled="linkValidationErrorMessage || !linkUrl"
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:action="
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() => {
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if (editor) markdownCommands.replaceSelection(editor, linkMarkdown)
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linkModal?.hide()
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}
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"
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><PlusIcon /> Insert</Button
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>
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</div>
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</div>
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</Modal>
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<Modal ref="imageModal" header="Insert image">
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<div class="modal-insert">
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<label class="label" for="insert-image-alt">
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<span class="label__title">Description (alt text)<span class="required">*</span></span>
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<span class="label__description">
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Describe the image completely as you would to someone who could not see the image.
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</span>
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</label>
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<div class="iconified-input">
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<AlignLeftIcon />
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<input
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id="insert-image-alt"
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v-model="linkText"
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type="text"
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placeholder="Describe the image..."
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/>
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<Button class="r-btn" @click="() => (linkText = '')">
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<XIcon />
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</Button>
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</div>
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<label class="label" for="insert-link-url">
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<span class="label__title">URL<span class="required">*</span></span>
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</label>
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<div v-if="props.onImageUpload" class="image-strategy-chips">
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<Chips v-model="imageUploadOption" :items="['upload', 'link']" />
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</div>
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<div
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v-if="props.onImageUpload && imageUploadOption === 'upload'"
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class="btn-input-alternative"
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>
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<FileInput
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accept="image/png,image/jpeg,image/gif,image/webp"
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prompt="Drag and drop to upload or click to select file"
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long-style
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should-always-reset
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class="file-input"
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@change="handleImageUpload"
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>
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<UploadIcon />
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</FileInput>
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</div>
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<div v-if="!props.onImageUpload || imageUploadOption === 'link'" class="iconified-input">
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<ImageIcon />
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<input
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id="insert-link-url"
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v-model="linkUrl"
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type="text"
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placeholder="Enter the image URL..."
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@input="validateURL"
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/>
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<Button class="r-btn" @click="() => (linkUrl = '')">
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<XIcon />
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</Button>
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</div>
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<template v-if="linkValidationErrorMessage">
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<span class="label">
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<span class="label__title">Error</span>
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<span class="label__description">{{ linkValidationErrorMessage }}</span>
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</span>
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</template>
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<span class="label">
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<span class="label__title">Preview</span>
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<span class="label__description"></span>
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</span>
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<div class="markdown-body-wrapper">
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<div
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style="width: 100%"
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class="markdown-body"
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v-html="renderHighlightedString(imageMarkdown)"
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/>
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</div>
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<div class="input-group push-right">
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<Button :action="() => imageModal?.hide()"><XIcon /> Cancel</Button>
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<Button
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color="primary"
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:disabled="!canInsertImage"
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:action="
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() => {
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if (editor) markdownCommands.replaceSelection(editor, imageMarkdown)
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imageModal?.hide()
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}
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"
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>
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<PlusIcon /> Insert
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</Button>
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</div>
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</div>
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</Modal>
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<Modal ref="videoModal" header="Insert YouTube video">
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<div class="modal-insert">
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<label class="label" for="insert-video-url">
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<span class="label__title">YouTube video URL<span class="required">*</span></span>
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<span class="label__description"> Enter a valid link to a YouTube video. </span>
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</label>
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<div class="iconified-input">
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<YouTubeIcon />
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<input
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id="insert-video-url"
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v-model="linkUrl"
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type="text"
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placeholder="Enter YouTube video URL"
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@input="validateURL"
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/>
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<Button class="r-btn" @click="() => (linkUrl = '')">
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<XIcon />
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</Button>
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</div>
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<template v-if="linkValidationErrorMessage">
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<span class="label">
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<span class="label__title">Error</span>
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<span class="label__description">{{ linkValidationErrorMessage }}</span>
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</span>
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</template>
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<span class="label">
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<span class="label__title">Preview</span>
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<span class="label__description"></span>
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</span>
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<div class="markdown-body-wrapper">
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<div
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style="width: 100%"
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class="markdown-body"
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v-html="renderHighlightedString(videoMarkdown)"
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/>
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</div>
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<div class="input-group push-right">
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<Button :action="() => videoModal?.hide()"><XIcon /> Cancel</Button>
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<Button
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color="primary"
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:disabled="linkValidationErrorMessage || !linkUrl"
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:action="
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() => {
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if (editor) markdownCommands.replaceSelection(editor, videoMarkdown)
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videoModal?.hide()
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}
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"
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>
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<PlusIcon /> Insert
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</Button>
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</div>
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</div>
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</Modal>
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<div class="resizable-textarea-wrapper">
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<div class="editor-action-row">
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<div class="editor-actions">
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<template
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v-for="(buttonGroup, _i) in Object.values(BUTTONS).filter((bg) => bg.display)"
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:key="_i"
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>
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<div class="divider"></div>
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<template v-for="button in buttonGroup.buttons" :key="button.label">
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<Button
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v-tooltip="button.label"
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icon-only
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:aria-label="button.label"
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:class="{ 'mobile-hidden-group': !!buttonGroup.hideOnMobile }"
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:action="() => button.action(editor)"
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:disabled="previewMode || disabled"
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>
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<component :is="button.icon" />
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</Button>
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</template>
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</template>
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</div>
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<div class="preview">
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<Toggle id="preview" v-model="previewMode" :checked="previewMode" />
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<label class="label" for="preview"> Preview </label>
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</div>
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</div>
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<div ref="editorRef" :class="{ hide: previewMode }" />
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<div v-if="!previewMode" class="info-blurb">
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<div class="info-blurb">
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<InfoIcon />
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<span
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>This editor supports
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<a
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class="markdown-resource-link"
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href="https://docs.modrinth.com/markdown"
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target="_blank"
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>Markdown formatting</a
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>.</span
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>
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</div>
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<div :class="{ hide: !props.maxLength }" class="max-length-label">
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<span>Max length: </span>
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<span>
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{{ props.maxLength ? `${currentValue?.length || 0}/${props.maxLength}` : 'Unlimited' }}
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</span>
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</div>
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</div>
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<div v-if="previewMode">
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<div class="markdown-body-wrapper">
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<div
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style="width: 100%"
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class="markdown-body"
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v-html="renderHighlightedString(currentValue ?? '')"
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/>
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</div>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { type Component, computed, ref, onMounted, onBeforeUnmount, toRef, watch } from 'vue'
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import { EditorState } from '@codemirror/state'
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import { EditorView, keymap, placeholder as cm_placeholder } from '@codemirror/view'
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import { markdown } from '@codemirror/lang-markdown'
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import { indentWithTab, historyKeymap, history } from '@codemirror/commands'
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import {
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Heading1Icon,
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Heading2Icon,
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Heading3Icon,
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BoldIcon,
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ItalicIcon,
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ScanEyeIcon,
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StrikethroughIcon,
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CodeIcon,
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ListBulletedIcon,
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ListOrderedIcon,
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TextQuoteIcon,
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LinkIcon,
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ImageIcon,
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YouTubeIcon,
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AlignLeftIcon,
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PlusIcon,
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XIcon,
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Button,
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Modal,
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Toggle,
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FileInput,
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UploadIcon,
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InfoIcon,
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Chips,
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} from '@/components'
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import { markdownCommands, modrinthMarkdownEditorKeymap } from '@/helpers/codemirror'
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import { renderHighlightedString } from '@/helpers/highlight'
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const props = withDefaults(
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defineProps<{
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modelValue: string
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disabled: boolean
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headingButtons: boolean
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/**
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* @param file The file to upload
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* @throws If the file is invalid or the upload fails
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*/
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onImageUpload?: (file: File) => Promise<string>
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placeholder?: string
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maxLength?: number
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maxHeight?: number
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}>(),
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{
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modelValue: '',
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disabled: false,
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headingButtons: true,
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onImageUpload: undefined,
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placeholder: 'Write something...',
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maxLength: undefined,
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maxHeight: undefined,
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}
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)
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const editorRef = ref<HTMLDivElement>()
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let editor: EditorView | null = null
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const emit = defineEmits(['update:modelValue'])
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onMounted(() => {
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const updateListener = EditorView.updateListener.of((update) => {
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if (update.docChanged) {
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updateCurrentValue(update.state.doc.toString())
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}
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})
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const theme = EditorView.theme({
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// in defualts.scss there's references to .cm-content and such to inherit global styles
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'.cm-content': {
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marginBlockEnd: '0.5rem',
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padding: '0.5rem',
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minHeight: '200px',
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caretColor: 'var(--color-contrast)',
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width: '100%',
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overflowX: 'scroll',
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maxHeight: props.maxHeight ? `${props.maxHeight}px` : 'unset',
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overflowY: 'scroll',
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},
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'.cm-scroller': {
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height: '100%',
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overflow: 'visible',
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},
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})
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const eventHandlers = EditorView.domEventHandlers({
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paste: (ev, view) => {
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const { clipboardData } = ev
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if (!clipboardData) return
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if (clipboardData.files && clipboardData.files.length > 0 && props.onImageUpload) {
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// If the user is pasting a file, upload it if there's an included handler and insert the link.
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uploadImagesFromList(clipboardData.files)
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.then(function (url) {
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const selection = markdownCommands.yankSelection(view)
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const altText = selection || 'Replace this with a description'
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const linkMarkdown = ``
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return markdownCommands.replaceSelection(view, linkMarkdown)
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})
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.catch((error) => {
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if (error instanceof Error) {
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console.error('Problem with handling image.', error)
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}
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})
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return false
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}
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// If the user's pasting a url, automatically convert it to a link with the selection as the text or the url itself if no selection content.
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const url = ev.clipboardData?.getData('text/plain')
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if (url) {
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try {
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cleanUrl(url)
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} catch (error: unknown) {
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if (error instanceof Error) {
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return
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}
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}
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const selection = view.state.selection.main
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const selectionText = view.state.doc.sliceString(selection.from, selection.to)
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const linkText = selectionText ? selectionText : url
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const linkMarkdown = `[${linkText}](${url})`
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return markdownCommands.replaceSelection(view, linkMarkdown)
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}
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// Check if the length of the document is greater than the max length. If it is, prevent the paste.
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if (props.maxLength && view.state.doc.length > props.maxLength) {
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ev.preventDefault()
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return false
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}
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},
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blur: (_, view) => {
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if (props.maxLength && view.state.doc.length > props.maxLength) {
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// Calculate how many characters to remove from the end
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const excessLength = view.state.doc.length - props.maxLength
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// Dispatch transaction to remove excess characters
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view.dispatch({
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changes: { from: view.state.doc.length - excessLength, to: view.state.doc.length },
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selection: { anchor: props.maxLength, head: props.maxLength }, // Place cursor at the end
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})
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}
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},
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})
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const inputFilter = EditorState.changeFilter.of((transaction) => {
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if (props.maxLength && transaction.newDoc.length > props.maxLength) {
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return false
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}
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return true
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})
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const editorState = EditorState.create({
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extensions: [
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theme,
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eventHandlers,
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updateListener,
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keymap.of([indentWithTab]),
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keymap.of(modrinthMarkdownEditorKeymap),
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history(),
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markdown({
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addKeymap: false,
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}),
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keymap.of(historyKeymap),
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cm_placeholder(props.placeholder || ''),
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inputFilter,
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],
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})
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editor = new EditorView({
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state: editorState,
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parent: editorRef.value,
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doc: props.modelValue,
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})
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})
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onBeforeUnmount(() => {
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editor?.destroy()
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})
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type ButtonAction = {
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label: string
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icon: Component
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action: (editor: EditorView | null) => void
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}
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type ButtonGroup = {
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display: boolean
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hideOnMobile: boolean
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buttons: ButtonAction[]
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}
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type ButtonGroupMap = {
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[key: string]: ButtonGroup
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}
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function runEditorCommand(command: (view: EditorView) => boolean, editor: EditorView | null) {
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if (editor) {
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command(editor)
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editor.focus()
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}
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}
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const composeCommandButton = (
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name: string,
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icon: Component,
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command: (view: EditorView) => boolean
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) => {
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return {
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label: name,
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icon,
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action: (e: EditorView | null) => runEditorCommand(command, e),
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}
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}
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|
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const BUTTONS: ButtonGroupMap = {
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headings: {
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display: props.headingButtons,
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hideOnMobile: false,
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buttons: [
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composeCommandButton('Heading 1', Heading1Icon, markdownCommands.toggleHeader),
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composeCommandButton('Heading 2', Heading2Icon, markdownCommands.toggleHeader2),
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composeCommandButton('Heading 3', Heading3Icon, markdownCommands.toggleHeader3),
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],
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},
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stylizing: {
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display: true,
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hideOnMobile: false,
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buttons: [
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composeCommandButton('Bold', BoldIcon, markdownCommands.toggleBold),
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composeCommandButton('Italic', ItalicIcon, markdownCommands.toggleItalic),
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composeCommandButton(
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'Strikethrough',
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StrikethroughIcon,
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markdownCommands.toggleStrikethrough
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),
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composeCommandButton('Code', CodeIcon, markdownCommands.toggleCodeBlock),
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composeCommandButton('Spoiler', ScanEyeIcon, markdownCommands.toggleSpoiler),
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],
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},
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lists: {
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display: true,
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hideOnMobile: false,
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buttons: [
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composeCommandButton('Bulleted list', ListBulletedIcon, markdownCommands.toggleBulletList),
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composeCommandButton('Ordered list', ListOrderedIcon, markdownCommands.toggleOrderedList),
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composeCommandButton('Quote', TextQuoteIcon, markdownCommands.toggleQuote),
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],
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},
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components: {
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display: true,
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hideOnMobile: false,
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buttons: [
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{
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label: 'Link',
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icon: LinkIcon,
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action: () => openLinkModal(),
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},
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{
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label: 'Image',
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icon: ImageIcon,
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action: () => openImageModal(),
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},
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{
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label: 'Video',
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icon: YouTubeIcon,
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action: () => openVideoModal(),
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},
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],
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},
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}
|
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|
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const currentValue = toRef(props, 'modelValue')
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watch(currentValue, (newValue) => {
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if (editor) {
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editor.dispatch({
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|
changes: {
|
|
from: 0,
|
|
to: editor.state.doc.length,
|
|
insert: newValue,
|
|
},
|
|
})
|
|
}
|
|
})
|
|
|
|
const updateCurrentValue = (newValue: string) => {
|
|
emit('update:modelValue', newValue)
|
|
}
|
|
|
|
const previewMode = ref(false)
|
|
|
|
const linkText = ref('')
|
|
const linkUrl = ref('')
|
|
const linkValidationErrorMessage = ref<string | undefined>()
|
|
|
|
function validateURL() {
|
|
if (!linkUrl.value || linkUrl.value === '') {
|
|
linkValidationErrorMessage.value = undefined
|
|
return
|
|
}
|
|
|
|
try {
|
|
linkValidationErrorMessage.value = undefined
|
|
cleanUrl(linkUrl.value)
|
|
} catch (e: unknown) {
|
|
if (e instanceof Error) {
|
|
linkValidationErrorMessage.value = e.message
|
|
}
|
|
}
|
|
}
|
|
|
|
function cleanUrl(input: string): string {
|
|
let url: URL
|
|
|
|
// Attempt to validate and parse the URL
|
|
try {
|
|
url = new URL(input)
|
|
} catch (e) {
|
|
throw new Error('Invalid URL. Make sure the URL is well-formed.')
|
|
}
|
|
|
|
// Check for unsupported protocols
|
|
if (url.protocol !== 'http:' && url.protocol !== 'https:') {
|
|
throw new Error('Unsupported protocol. Use http or https.')
|
|
}
|
|
|
|
// If the scheme is "http", automatically upgrade it to "https"
|
|
if (url.protocol === 'http:') {
|
|
url.protocol = 'https:'
|
|
}
|
|
|
|
// Block certain domains for compliance
|
|
const blockedDomains = ['forgecdn', 'cdn.discordapp', 'media.discordapp']
|
|
if (blockedDomains.some((domain) => url.hostname.includes(domain))) {
|
|
throw new Error('Invalid URL. This domain is not allowed.')
|
|
}
|
|
|
|
return url.toString()
|
|
}
|
|
|
|
const linkMarkdown = computed(() => {
|
|
if (!linkUrl.value) {
|
|
return ''
|
|
}
|
|
try {
|
|
const url = cleanUrl(linkUrl.value)
|
|
return url ? `[${linkText.value ? linkText.value : url}](${url})` : ''
|
|
} catch (error: unknown) {
|
|
if (error instanceof Error) {
|
|
console.error(error.message)
|
|
}
|
|
}
|
|
return ''
|
|
})
|
|
|
|
const uploadImagesFromList = async (files: FileList): Promise<string> => {
|
|
const file = files[0]
|
|
if (!props.onImageUpload) {
|
|
throw new Error('No image upload handler provided')
|
|
}
|
|
if (file) {
|
|
try {
|
|
const url = await props.onImageUpload(file)
|
|
return url
|
|
} catch (error) {
|
|
if (error instanceof Error) {
|
|
console.error('Unable to upload image using handler.', error.message)
|
|
throw new Error(error.message)
|
|
}
|
|
}
|
|
}
|
|
throw new Error('No file provided')
|
|
}
|
|
|
|
const handleImageUpload = async (files: FileList) => {
|
|
if (props.onImageUpload) {
|
|
try {
|
|
const uploadedURL = await uploadImagesFromList(files)
|
|
linkUrl.value = uploadedURL
|
|
validateURL()
|
|
} catch (error) {
|
|
if (error instanceof Error) {
|
|
linkValidationErrorMessage.value = error.message
|
|
}
|
|
console.error(error)
|
|
}
|
|
}
|
|
}
|
|
|
|
const imageUploadOption = ref<string>('upload')
|
|
const imageMarkdown = computed(() => (linkMarkdown.value.length ? `!${linkMarkdown.value}` : ''))
|
|
|
|
const canInsertImage = computed(() => {
|
|
// Make sure the image url is valid, there is an image url, and there is alt text
|
|
// They need to be valid, and not empty
|
|
return (
|
|
!linkValidationErrorMessage.value && linkUrl.value?.length > 0 && linkText.value?.length > 0
|
|
)
|
|
})
|
|
|
|
const youtubeRegex =
|
|
/^(?:https?:)?(?:\/\/)?(?:youtu\.be\/|(?:www\.|m\.)?youtube\.com\/(?:watch|v|embed)(?:\.php)?(?:\?.*v=|\/))([a-zA-Z0-9_-]{7,15})(?:[?&][a-zA-Z0-9_-]+=[a-zA-Z0-9_-]+)*$/
|
|
|
|
const videoMarkdown = computed(() => {
|
|
const match = youtubeRegex.exec(linkUrl.value)
|
|
if (match) {
|
|
return `<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/${match[1]}" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>`
|
|
} else {
|
|
return ''
|
|
}
|
|
})
|
|
|
|
const linkModal = ref<InstanceType<typeof Modal> | null>(null)
|
|
const imageModal = ref<InstanceType<typeof Modal> | null>(null)
|
|
const videoModal = ref<InstanceType<typeof Modal> | null>(null)
|
|
|
|
function resetModalStates() {
|
|
linkText.value = ''
|
|
linkUrl.value = ''
|
|
linkValidationErrorMessage.value = undefined
|
|
}
|
|
|
|
function openLinkModal() {
|
|
if (editor) linkText.value = markdownCommands.yankSelection(editor)
|
|
resetModalStates()
|
|
linkModal.value?.show()
|
|
}
|
|
|
|
function openImageModal() {
|
|
resetModalStates()
|
|
imageModal.value?.show()
|
|
}
|
|
|
|
function openVideoModal() {
|
|
resetModalStates()
|
|
videoModal.value?.show()
|
|
}
|
|
</script>
|
|
|
|
<style lang="scss" scoped>
|
|
.file-input {
|
|
width: 100%;
|
|
padding: 1.5rem;
|
|
padding-left: 2.5rem;
|
|
background: var(--color-button-bg);
|
|
border: 2px dashed var(--color-gray);
|
|
border-radius: var(--radius-md);
|
|
cursor: pointer;
|
|
transition: opacity 0.5s ease-in-out, filter 0.2s ease-in-out, scale 0.05s ease-in-out,
|
|
outline 0.2s ease-in-out;
|
|
|
|
&:hover {
|
|
filter: brightness(0.85);
|
|
}
|
|
}
|
|
|
|
.markdown-resource-link {
|
|
cursor: pointer;
|
|
color: var(--color-link);
|
|
|
|
&:focus-visible,
|
|
&:hover {
|
|
filter: brightness(1.2);
|
|
text-decoration: none;
|
|
}
|
|
|
|
&:active {
|
|
filter: brightness(1.1);
|
|
text-decoration: none;
|
|
}
|
|
}
|
|
|
|
.display-options {
|
|
margin-bottom: var(--gap-sm);
|
|
}
|
|
|
|
.editor-action-row {
|
|
display: flex;
|
|
align-items: center;
|
|
flex-wrap: wrap;
|
|
justify-content: space-between;
|
|
margin-bottom: var(--gap-sm);
|
|
gap: var(--gap-xs);
|
|
|
|
@media (max-width: 768px) {
|
|
flex-direction: column;
|
|
align-items: start;
|
|
}
|
|
}
|
|
|
|
.editor-actions {
|
|
display: flex;
|
|
flex-direction: row;
|
|
flex-wrap: wrap;
|
|
align-items: center;
|
|
gap: var(--gap-xs);
|
|
|
|
@media (max-width: 768px) {
|
|
.divider {
|
|
display: none;
|
|
}
|
|
|
|
.mobile-hidden-group {
|
|
display: none;
|
|
}
|
|
}
|
|
|
|
.divider {
|
|
width: 0.125rem;
|
|
height: 1.8rem;
|
|
background-color: var(--color-button-bg);
|
|
border-radius: var(--radius-max);
|
|
margin-inline: var(--gap-xs);
|
|
}
|
|
|
|
.divider:first-child {
|
|
display: none;
|
|
}
|
|
}
|
|
|
|
.resizable-textarea-wrapper textarea {
|
|
min-height: 10rem;
|
|
width: 100%;
|
|
}
|
|
|
|
.info-blurb {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: space-between;
|
|
gap: var(--gap-xs);
|
|
}
|
|
|
|
.hide {
|
|
display: none;
|
|
}
|
|
|
|
.preview {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-items: end;
|
|
gap: var(--gap-xs);
|
|
}
|
|
|
|
.markdown-body-wrapper {
|
|
border: 1px solid var(--color-button-bg);
|
|
border-radius: var(--radius-md);
|
|
width: 100%;
|
|
padding: var(--radius-md);
|
|
min-height: 6rem;
|
|
}
|
|
|
|
.modal-insert {
|
|
padding: var(--gap-lg);
|
|
|
|
.iconified-input {
|
|
width: 100%;
|
|
}
|
|
|
|
.label {
|
|
margin-block: var(--gap-lg) var(--gap-sm);
|
|
display: block;
|
|
}
|
|
|
|
.label__title {
|
|
color: var(--color-contrast);
|
|
display: block;
|
|
font-size: 1.17rem;
|
|
font-weight: 700;
|
|
|
|
.required {
|
|
color: var(--color-red);
|
|
}
|
|
}
|
|
|
|
.input-group {
|
|
margin-top: var(--gap-lg);
|
|
}
|
|
}
|
|
|
|
.image-strategy-chips {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: space-between;
|
|
gap: var(--gap-xs);
|
|
padding-bottom: var(--gap-md);
|
|
}
|
|
|
|
.btn-input-alternative {
|
|
display: flex;
|
|
flex-direction: column;
|
|
align-items: center;
|
|
justify-content: space-between;
|
|
gap: var(--gap-xs);
|
|
padding-bottom: var(--gap-xs);
|
|
|
|
.btn {
|
|
width: 100%;
|
|
padding-left: 2.5rem;
|
|
min-height: 4rem;
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: start;
|
|
}
|
|
}
|
|
</style>
|