debian-mirror-gitlab/app/assets/javascripts/vue_shared/components/markdown/field.vue

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<script>
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import $ from 'jquery';
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import '~/behaviors/markdown/render_gfm';
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import { unescape as unesc } from 'lodash';
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import { __, sprintf } from '~/locale';
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import { stripHtml } from '~/lib/utils/text_utility';
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import Flash from '../../../flash';
import GLForm from '../../../gl_form';
import markdownHeader from './header.vue';
import markdownToolbar from './toolbar.vue';
import icon from '../icon.vue';
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import Suggestions from '~/vue_shared/components/markdown/suggestions.vue';
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import axios from '~/lib/utils/axios_utils';
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export default {
components: {
markdownHeader,
markdownToolbar,
icon,
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Suggestions,
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},
props: {
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isSubmitting: {
type: Boolean,
required: false,
default: false,
},
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markdownPreviewPath: {
type: String,
required: false,
default: '',
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},
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markdownDocsPath: {
type: String,
required: true,
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},
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addSpacingClasses: {
type: Boolean,
required: false,
default: true,
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},
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quickActionsDocsPath: {
type: String,
required: false,
default: '',
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},
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canAttachFile: {
type: Boolean,
required: false,
default: true,
},
enableAutocomplete: {
type: Boolean,
required: false,
default: true,
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},
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line: {
type: Object,
required: false,
default: null,
},
note: {
type: Object,
required: false,
default: () => ({}),
},
canSuggest: {
type: Boolean,
required: false,
default: false,
},
helpPagePath: {
type: String,
required: false,
default: '',
},
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showSuggestPopover: {
type: Boolean,
required: false,
default: false,
},
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// This prop is used as a fallback in case if textarea.elm is undefined
textareaValue: {
type: String,
required: false,
default: '',
},
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},
data() {
return {
markdownPreview: '',
referencedCommands: '',
referencedUsers: '',
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hasSuggestion: false,
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markdownPreviewLoading: false,
previewMarkdown: false,
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suggestions: this.note.suggestions || [],
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};
},
computed: {
shouldShowReferencedUsers() {
const referencedUsersThreshold = 10;
return this.referencedUsers.length >= referencedUsersThreshold;
},
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lineContent() {
const [firstSuggestion] = this.suggestions;
if (firstSuggestion) {
return firstSuggestion.from_content;
}
if (this.line) {
const { rich_text: richText, text } = this.line;
if (text) {
return text;
}
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return unesc(stripHtml(richText).replace(/\n/g, ''));
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}
return '';
},
lineNumber() {
let lineNumber;
if (this.line) {
const { new_line: newLine, old_line: oldLine } = this.line;
lineNumber = newLine || oldLine;
}
return lineNumber;
},
lineType() {
return this.line ? this.line.type : '';
},
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addMultipleToDiscussionWarning() {
return sprintf(
__(
'%{icon}You are about to add %{usersTag} people to the discussion. Proceed with caution.',
),
{
icon: '<i class="fa fa-exclamation-triangle" aria-hidden="true"></i>',
usersTag: `<strong><span class="js-referenced-users-count">${this.referencedUsers.length}</span></strong>`,
},
false,
);
},
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},
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watch: {
isSubmitting(isSubmitting) {
if (!isSubmitting || !this.$refs['markdown-preview'].querySelectorAll) {
return;
}
const mediaInPreview = this.$refs['markdown-preview'].querySelectorAll('video, audio');
if (mediaInPreview) {
mediaInPreview.forEach(media => {
media.pause();
});
}
},
},
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mounted() {
/*
GLForm class handles all the toolbar buttons
*/
return new GLForm($(this.$refs['gl-form']), {
emojis: this.enableAutocomplete,
members: this.enableAutocomplete,
issues: this.enableAutocomplete,
mergeRequests: this.enableAutocomplete,
epics: this.enableAutocomplete,
milestones: this.enableAutocomplete,
labels: this.enableAutocomplete,
snippets: this.enableAutocomplete,
});
},
beforeDestroy() {
const glForm = $(this.$refs['gl-form']).data('glForm');
if (glForm) {
glForm.destroy();
}
},
methods: {
showPreviewTab() {
if (this.previewMarkdown) return;
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this.previewMarkdown = true;
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/*
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Can't use `$refs` as the component is technically in the parent component
so we access the VNode & then get the element
*/
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const text = this.$slots.textarea[0]?.elm?.value || this.textareaValue;
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if (text) {
this.markdownPreviewLoading = true;
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this.markdownPreview = __('Loading…');
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axios
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.post(this.markdownPreviewPath, { text })
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.then(response => this.renderMarkdown(response.data))
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.catch(() => new Flash(__('Error loading markdown preview')));
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} else {
this.renderMarkdown();
}
},
showWriteTab() {
this.markdownPreview = '';
this.previewMarkdown = false;
},
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renderMarkdown(data = {}) {
this.markdownPreviewLoading = false;
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this.markdownPreview = data.body || __('Nothing to preview.');
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if (data.references) {
this.referencedCommands = data.references.commands;
this.referencedUsers = data.references.users;
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this.hasSuggestion = data.references.suggestions && data.references.suggestions.length;
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this.suggestions = data.references.suggestions;
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}
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this.$nextTick()
.then(() => $(this.$refs['markdown-preview']).renderGFM())
.catch(() => new Flash(__('Error rendering markdown preview')));
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},
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},
};
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</script>
<template>
<div
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ref="gl-form"
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:class="{ 'prepend-top-default append-bottom-default': addSpacingClasses }"
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class="js-vue-markdown-field md-area position-relative"
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>
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<markdown-header
:preview-markdown="previewMarkdown"
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:line-content="lineContent"
:can-suggest="canSuggest"
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:show-suggest-popover="showSuggestPopover"
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@preview-markdown="showPreviewTab"
@write-markdown="showWriteTab"
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@handleSuggestDismissed="() => $emit('handleSuggestDismissed')"
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/>
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<div v-show="!previewMarkdown" class="md-write-holder">
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<div class="zen-backdrop">
<slot name="textarea"></slot>
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<a
class="zen-control zen-control-leave js-zen-leave"
href="#"
:aria-label="__('Enter zen mode')"
>
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<icon :size="32" name="screen-normal" />
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</a>
<markdown-toolbar
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:markdown-docs-path="markdownDocsPath"
:quick-actions-docs-path="quickActionsDocsPath"
:can-attach-file="canAttachFile"
/>
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</div>
</div>
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<template v-if="hasSuggestion">
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<div
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v-show="previewMarkdown"
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ref="markdown-preview"
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class="js-vue-md-preview md-preview-holder"
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>
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<suggestions
v-if="hasSuggestion"
:note-html="markdownPreview"
:from-line="lineNumber"
:from-content="lineContent"
:line-type="lineType"
:disabled="true"
:suggestions="suggestions"
:help-page-path="helpPagePath"
/>
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</div>
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</template>
<template v-else>
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<div
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v-show="previewMarkdown"
ref="markdown-preview"
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class="js-vue-md-preview md md-preview-holder"
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v-html="markdownPreview"
></div>
</template>
<template v-if="previewMarkdown && !markdownPreviewLoading">
<div v-if="referencedCommands" class="referenced-commands" v-html="referencedCommands"></div>
<div v-if="shouldShowReferencedUsers" class="referenced-users">
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<span v-html="addMultipleToDiscussionWarning"></span>
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</div>
</template>
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</div>
</template>