debian-mirror-gitlab/app/assets/javascripts/gfm_auto_complete.js

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import $ from 'jquery';
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import '@gitlab/at.js';
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import _ from 'underscore';
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import SidebarMediator from '~/sidebar/sidebar_mediator';
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import glRegexp from './lib/utils/regexp';
import AjaxCache from './lib/utils/ajax_cache';
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import { spriteIcon } from './lib/utils/common_utils';
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function sanitize(str) {
return str.replace(/<(?:.|\n)*?>/gm, '');
}
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export function membersBeforeSave(members) {
return _.map(members, member => {
const GROUP_TYPE = 'Group';
let title = '';
if (member.username == null) {
return member;
}
title = member.name;
if (member.count && !member.mentionsDisabled) {
title += ` (${member.count})`;
}
const autoCompleteAvatar = member.avatar_url || member.username.charAt(0).toUpperCase();
const rectAvatarClass = member.type === GROUP_TYPE ? 'rect-avatar' : '';
const imgAvatar = `<img src="${member.avatar_url}" alt="${member.username}" class="avatar ${rectAvatarClass} avatar-inline center s26"/>`;
const txtAvatar = `<div class="avatar ${rectAvatarClass} center avatar-inline s26">${autoCompleteAvatar}</div>`;
const avatarIcon = member.mentionsDisabled
? spriteIcon('notifications-off', 's16 vertical-align-middle prepend-left-5')
: '';
return {
username: member.username,
avatarTag: autoCompleteAvatar.length === 1 ? txtAvatar : imgAvatar,
title: sanitize(title),
search: sanitize(`${member.username} ${member.name}`),
icon: avatarIcon,
};
});
}
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export const defaultAutocompleteConfig = {
emojis: true,
members: true,
issues: true,
mergeRequests: true,
epics: true,
milestones: true,
labels: true,
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snippets: true,
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};
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class GfmAutoComplete {
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constructor(dataSources = {}) {
this.dataSources = dataSources;
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this.cachedData = {};
this.isLoadingData = {};
}
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setup(input, enableMap = defaultAutocompleteConfig) {
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// Add GFM auto-completion to all input fields, that accept GFM input.
this.input = input || $('.js-gfm-input');
this.enableMap = enableMap;
this.setupLifecycle();
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}
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setupLifecycle() {
this.input.each((i, input) => {
const $input = $(input);
$input.off('focus.setupAtWho').on('focus.setupAtWho', this.setupAtWho.bind(this, $input));
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$input.on('change.atwho', () => input.dispatchEvent(new Event('input')));
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// This triggers at.js again
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// Needed for quick actions with suffixes (ex: /label ~)
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$input.on('inserted-commands.atwho', $input.trigger.bind($input, 'keyup'));
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$input.on('clear-commands-cache.atwho', () => this.clearCache());
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});
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}
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setupAtWho($input) {
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if (this.enableMap.emojis) this.setupEmoji($input);
if (this.enableMap.members) this.setupMembers($input);
if (this.enableMap.issues) this.setupIssues($input);
if (this.enableMap.milestones) this.setupMilestones($input);
if (this.enableMap.mergeRequests) this.setupMergeRequests($input);
if (this.enableMap.labels) this.setupLabels($input);
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if (this.enableMap.snippets) this.setupSnippets($input);
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// We don't instantiate the quick actions autocomplete for note and issue/MR edit forms
$input.filter('[data-supports-quick-actions="true"]').atwho({
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at: '/',
alias: 'commands',
searchKey: 'search',
skipSpecialCharacterTest: true,
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skipMarkdownCharacterTest: true,
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data: GfmAutoComplete.defaultLoadingData,
displayTpl(value) {
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const cssClasses = [];
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if (GfmAutoComplete.isLoading(value)) return GfmAutoComplete.Loading.template;
// eslint-disable-next-line no-template-curly-in-string
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let tpl = '<li class="<%- className %>"><span class="name">/${name}</span>';
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if (value.aliases.length > 0) {
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tpl += ' <small class="aliases">(or /<%- aliases.join(", /") %>)</small>';
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}
if (value.params.length > 0) {
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tpl += ' <small class="params"><%- params.join(" ") %></small>';
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}
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if (value.warning && value.icon && value.icon === 'confidential') {
tpl +=
'<small class="description"><em><i class="fa fa-eye-slash" aria-hidden="true"/><%- warning %></em></small>';
} else if (value.warning) {
tpl += '<small class="description"><em><%- warning %></em></small>';
} else if (value.description !== '') {
tpl += '<small class="description"><em><%- description %></em></small>';
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}
tpl += '</li>';
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if (value.warning) {
cssClasses.push('has-warning');
}
return _.template(tpl)({
...value,
className: cssClasses.join(' '),
});
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},
insertTpl(value) {
// eslint-disable-next-line no-template-curly-in-string
let tpl = '/${name} ';
let referencePrefix = null;
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if (value.params.length > 0) {
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[[referencePrefix]] = value.params;
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if (/^[@%~]/.test(referencePrefix)) {
tpl += '<%- referencePrefix %>';
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}
}
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return _.template(tpl)({ referencePrefix });
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},
suffix: '',
callbacks: {
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...this.getDefaultCallbacks(),
beforeSave(commands) {
if (GfmAutoComplete.isLoading(commands)) return commands;
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return $.map(commands, c => {
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let search = c.name;
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if (c.aliases.length > 0) {
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search = `${search} ${c.aliases.join(' ')}`;
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}
return {
name: c.name,
aliases: c.aliases,
params: c.params,
description: c.description,
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warning: c.warning,
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icon: c.icon,
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search,
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};
});
},
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matcher(flag, subtext) {
const regexp = /(?:^|\n)\/([A-Za-z_]*)$/gi;
const match = regexp.exec(subtext);
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if (match) {
return match[1];
}
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return null;
},
},
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});
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}
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setupEmoji($input) {
// Emoji
$input.atwho({
at: ':',
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displayTpl(value) {
let tmpl = GfmAutoComplete.Loading.template;
if (value && value.name) {
tmpl = GfmAutoComplete.Emoji.templateFunction(value.name);
}
return tmpl;
},
// eslint-disable-next-line no-template-curly-in-string
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insertTpl: ':${name}:',
skipSpecialCharacterTest: true,
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data: GfmAutoComplete.defaultLoadingData,
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callbacks: {
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...this.getDefaultCallbacks(),
matcher(flag, subtext) {
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const regexp = new RegExp(`(?:[^${glRegexp.unicodeLetters}0-9:]|\n|^):([^:]*)$`, 'gi');
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const match = regexp.exec(subtext);
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return match && match.length ? match[1] : null;
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},
},
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});
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}
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setupMembers($input) {
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const fetchData = this.fetchData.bind(this);
const MEMBER_COMMAND = {
ASSIGN: '/assign',
UNASSIGN: '/unassign',
REASSIGN: '/reassign',
CC: '/cc',
};
let assignees = [];
let command = '';
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// Team Members
$input.atwho({
at: '@',
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alias: 'users',
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displayTpl(value) {
let tmpl = GfmAutoComplete.Loading.template;
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const { avatarTag, username, title, icon } = value;
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if (username != null) {
tmpl = GfmAutoComplete.Members.templateFunction({
avatarTag,
username,
title,
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icon,
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});
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}
return tmpl;
},
// eslint-disable-next-line no-template-curly-in-string
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insertTpl: '${atwho-at}${username}',
searchKey: 'search',
alwaysHighlightFirst: true,
skipSpecialCharacterTest: true,
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data: GfmAutoComplete.defaultLoadingData,
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callbacks: {
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...this.getDefaultCallbacks(),
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beforeSave: membersBeforeSave,
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matcher(flag, subtext) {
const subtextNodes = subtext
.split(/\n+/g)
.pop()
.split(GfmAutoComplete.regexSubtext);
// Check if @ is followed by '/assign', '/reassign', '/unassign' or '/cc' commands.
command = subtextNodes.find(node => {
if (Object.values(MEMBER_COMMAND).includes(node)) {
return node;
}
return null;
});
// Cache assignees list for easier filtering later
assignees = SidebarMediator.singleton?.store?.assignees?.map(
assignee => `${assignee.username} ${assignee.name}`,
);
const match = GfmAutoComplete.defaultMatcher(flag, subtext, this.app.controllers);
return match && match.length ? match[1] : null;
},
filter(query, data, searchKey) {
if (GfmAutoComplete.isLoading(data)) {
fetchData(this.$inputor, this.at);
return data;
}
if (data === GfmAutoComplete.defaultLoadingData) {
return $.fn.atwho.default.callbacks.filter(query, data, searchKey);
}
if (command === MEMBER_COMMAND.ASSIGN) {
// Only include members which are not assigned to Issuable currently
return data.filter(member => !assignees.includes(member.search));
} else if (command === MEMBER_COMMAND.UNASSIGN) {
// Only include members which are assigned to Issuable currently
return data.filter(member => assignees.includes(member.search));
}
return data;
},
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},
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});
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}
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setupIssues($input) {
$input.atwho({
at: '#',
alias: 'issues',
searchKey: 'search',
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displayTpl(value) {
let tmpl = GfmAutoComplete.Loading.template;
if (value.title != null) {
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tmpl = GfmAutoComplete.Issues.templateFunction(value);
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}
return tmpl;
},
data: GfmAutoComplete.defaultLoadingData,
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insertTpl: GfmAutoComplete.Issues.insertTemplateFunction,
skipSpecialCharacterTest: true,
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callbacks: {
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...this.getDefaultCallbacks(),
beforeSave(issues) {
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return $.map(issues, i => {
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if (i.title == null) {
return i;
}
return {
id: i.iid,
title: sanitize(i.title),
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reference: i.reference,
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search: `${i.iid} ${i.title}`,
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};
});
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},
},
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});
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}
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setupMilestones($input) {
$input.atwho({
at: '%',
alias: 'milestones',
searchKey: 'search',
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// eslint-disable-next-line no-template-curly-in-string
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insertTpl: '${atwho-at}${title}',
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displayTpl(value) {
let tmpl = GfmAutoComplete.Loading.template;
if (value.title != null) {
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tmpl = GfmAutoComplete.Milestones.templateFunction(value.title);
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}
return tmpl;
},
data: GfmAutoComplete.defaultLoadingData,
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callbacks: {
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...this.getDefaultCallbacks(),
beforeSave(milestones) {
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return $.map(milestones, m => {
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if (m.title == null) {
return m;
}
return {
id: m.iid,
title: sanitize(m.title),
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search: m.title,
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};
});
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},
},
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});
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}
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setupMergeRequests($input) {
$input.atwho({
at: '!',
alias: 'mergerequests',
searchKey: 'search',
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displayTpl(value) {
let tmpl = GfmAutoComplete.Loading.template;
if (value.title != null) {
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tmpl = GfmAutoComplete.Issues.templateFunction(value);
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}
return tmpl;
},
data: GfmAutoComplete.defaultLoadingData,
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insertTpl: GfmAutoComplete.Issues.insertTemplateFunction,
skipSpecialCharacterTest: true,
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callbacks: {
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...this.getDefaultCallbacks(),
beforeSave(merges) {
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return $.map(merges, m => {
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if (m.title == null) {
return m;
}
return {
id: m.iid,
title: sanitize(m.title),
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reference: m.reference,
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search: `${m.iid} ${m.title}`,
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};
});
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},
},
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});
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}
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setupLabels($input) {
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const instance = this;
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const fetchData = this.fetchData.bind(this);
const LABEL_COMMAND = { LABEL: '/label', UNLABEL: '/unlabel', RELABEL: '/relabel' };
let command = '';
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$input.atwho({
at: '~',
alias: 'labels',
searchKey: 'search',
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data: GfmAutoComplete.defaultLoadingData,
displayTpl(value) {
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let tmpl = GfmAutoComplete.Labels.templateFunction(value.color, value.title);
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if (GfmAutoComplete.isLoading(value)) {
tmpl = GfmAutoComplete.Loading.template;
}
return tmpl;
},
// eslint-disable-next-line no-template-curly-in-string
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insertTpl: '${atwho-at}${title}',
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limit: 20,
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callbacks: {
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...this.getDefaultCallbacks(),
beforeSave(merges) {
if (GfmAutoComplete.isLoading(merges)) return merges;
return $.map(merges, m => ({
title: sanitize(m.title),
color: m.color,
search: m.title,
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set: m.set,
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}));
},
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matcher(flag, subtext) {
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const subtextNodes = subtext
.split(/\n+/g)
.pop()
.split(GfmAutoComplete.regexSubtext);
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// Check if ~ is followed by '/label', '/relabel' or '/unlabel' commands.
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command = subtextNodes.find(node => {
if (
node === LABEL_COMMAND.LABEL ||
node === LABEL_COMMAND.RELABEL ||
node === LABEL_COMMAND.UNLABEL
) {
return node;
}
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return null;
});
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// If any label matches the inserted text after the last `~`, suggest those labels,
// even if any spaces or funky characters were typed.
// This allows matching labels like "Accepting merge requests".
const labels = instance.cachedData[flag];
if (labels) {
if (!subtext.includes(flag)) {
// Do not match if there is no `~` before the cursor
return null;
}
const lastCandidate = subtext.split(flag).pop();
if (labels.find(label => label.title.startsWith(lastCandidate))) {
return lastCandidate;
}
} else {
// Load all labels into the autocompleter.
// This needs to happen if e.g. editing a label in an existing comment, because normally
// label data would only be loaded only once you type `~`.
fetchData(this.$inputor, this.at);
}
const match = GfmAutoComplete.defaultMatcher(flag, subtext, this.app.controllers);
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return match && match.length ? match[1] : null;
},
filter(query, data, searchKey) {
if (GfmAutoComplete.isLoading(data)) {
fetchData(this.$inputor, this.at);
return data;
}
if (data === GfmAutoComplete.defaultLoadingData) {
return $.fn.atwho.default.callbacks.filter(query, data, searchKey);
}
// The `LABEL_COMMAND.RELABEL` is intentionally skipped
// because we want to return all the labels (unfiltered) for that command.
if (command === LABEL_COMMAND.LABEL) {
// Return labels with set: undefined.
return data.filter(label => !label.set);
} else if (command === LABEL_COMMAND.UNLABEL) {
// Return labels with set: true.
return data.filter(label => label.set);
}
return data;
},
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},
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});
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}
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setupSnippets($input) {
$input.atwho({
at: '$',
alias: 'snippets',
searchKey: 'search',
displayTpl(value) {
let tmpl = GfmAutoComplete.Loading.template;
if (value.title != null) {
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tmpl = GfmAutoComplete.Issues.templateFunction(value);
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}
return tmpl;
},
data: GfmAutoComplete.defaultLoadingData,
// eslint-disable-next-line no-template-curly-in-string
insertTpl: '${atwho-at}${id}',
callbacks: {
...this.getDefaultCallbacks(),
beforeSave(snippets) {
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return $.map(snippets, m => {
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if (m.title == null) {
return m;
}
return {
id: m.id,
title: sanitize(m.title),
search: `${m.id} ${m.title}`,
};
});
},
},
});
}
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getDefaultCallbacks() {
const fetchData = this.fetchData.bind(this);
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return {
sorter(query, items, searchKey) {
this.setting.highlightFirst = this.setting.alwaysHighlightFirst || query.length > 0;
if (GfmAutoComplete.isLoading(items)) {
this.setting.highlightFirst = false;
return items;
}
return $.fn.atwho.default.callbacks.sorter(query, items, searchKey);
},
filter(query, data, searchKey) {
if (GfmAutoComplete.isLoading(data)) {
fetchData(this.$inputor, this.at);
return data;
}
return $.fn.atwho.default.callbacks.filter(query, data, searchKey);
},
beforeInsert(value) {
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let withoutAt = value.substring(1);
const at = value.charAt();
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if (value && !this.setting.skipSpecialCharacterTest) {
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const regex = at === '~' ? /\W|^\d+$/ : /\W/;
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if (withoutAt && regex.test(withoutAt)) {
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withoutAt = `"${withoutAt}"`;
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}
}
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// We can ignore this for quick actions because they are processed
// before Markdown.
if (!this.setting.skipMarkdownCharacterTest) {
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withoutAt = withoutAt
.replace(/(~~|`|\*)/g, '\\$1')
.replace(/(\b)(_+)/g, '$1\\$2') // only escape underscores at the start
.replace(/(_+)(\b)/g, '\\$1$2'); // or end of words
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}
return `${at}${withoutAt}`;
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},
matcher(flag, subtext) {
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const match = GfmAutoComplete.defaultMatcher(flag, subtext, this.app.controllers);
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if (match) {
return match[1];
}
return null;
},
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highlighter(li, query) {
// override default behaviour to escape dot character
// see https://github.com/ichord/At.js/pull/576
if (!query) {
return li;
}
const escapedQuery = query.replace(/[.+]/, '\\$&');
const regexp = new RegExp(`>\\s*([^<]*?)(${escapedQuery})([^<]*)\\s*<`, 'ig');
return li.replace(regexp, (str, $1, $2, $3) => `> ${$1}<strong>${$2}</strong>${$3} <`);
},
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};
}
fetchData($input, at) {
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if (this.isLoadingData[at]) return;
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this.isLoadingData[at] = true;
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const dataSource = this.dataSources[GfmAutoComplete.atTypeMap[at]];
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if (this.cachedData[at]) {
this.loadData($input, at, this.cachedData[at]);
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} else if (GfmAutoComplete.atTypeMap[at] === 'emojis') {
import(/* webpackChunkName: 'emoji' */ './emoji')
.then(({ validEmojiNames, glEmojiTag }) => {
this.loadData($input, at, validEmojiNames);
GfmAutoComplete.glEmojiTag = glEmojiTag;
})
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.catch(() => {
this.isLoadingData[at] = false;
});
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} else if (dataSource) {
AjaxCache.retrieve(dataSource, true)
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.then(data => {
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this.loadData($input, at, data);
})
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.catch(() => {
this.isLoadingData[at] = false;
});
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} else {
this.isLoadingData[at] = false;
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}
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}
loadData($input, at, data) {
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this.isLoadingData[at] = false;
this.cachedData[at] = data;
$input.atwho('load', at, data);
// This trigger at.js again
// otherwise we would be stuck with loading until the user types
return $input.trigger('keyup');
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}
clearCache() {
this.cachedData = {};
}
destroy() {
this.input.each((i, input) => {
const $input = $(input);
$input.atwho('destroy');
});
}
static isLoading(data) {
let dataToInspect = data;
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if (data && data.length > 0) {
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[dataToInspect] = data;
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}
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const loadingState = GfmAutoComplete.defaultLoadingData[0];
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return dataToInspect && (dataToInspect === loadingState || dataToInspect.name === loadingState);
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}
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static defaultMatcher(flag, subtext, controllers) {
// The below is taken from At.js source
// Tweaked to commands to start without a space only if char before is a non-word character
// https://github.com/ichord/At.js
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const atSymbolsWithBar = Object.keys(controllers)
.join('|')
.replace(/[$]/, '\\$&');
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const atSymbolsWithoutBar = Object.keys(controllers).join('');
const targetSubtext = subtext.split(GfmAutoComplete.regexSubtext).pop();
const resultantFlag = flag.replace(/[-[\]/{}()*+?.\\^$|]/g, '\\$&');
const accentAChar = decodeURI('%C3%80');
const accentYChar = decodeURI('%C3%BF');
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// Holy regex, batman!
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const regexp = new RegExp(
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`^(?:\\B|[^a-zA-Z0-9_\`${atSymbolsWithoutBar}]|\\s)${resultantFlag}(?!${atSymbolsWithBar})((?:[A-Za-z${accentAChar}-${accentYChar}0-9_'.+-:]|[^\\x00-\\x7a])*)$`,
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'gi',
);
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return regexp.exec(targetSubtext);
}
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}
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GfmAutoComplete.regexSubtext = new RegExp(/\s+/g);
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GfmAutoComplete.defaultLoadingData = ['loading'];
GfmAutoComplete.atTypeMap = {
':': 'emojis',
'@': 'members',
'#': 'issues',
'!': 'mergeRequests',
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'&': 'epics',
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'~': 'labels',
'%': 'milestones',
'/': 'commands',
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$: 'snippets',
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};
// Emoji
GfmAutoComplete.glEmojiTag = null;
GfmAutoComplete.Emoji = {
templateFunction(name) {
// glEmojiTag helper is loaded on-demand in fetchData()
if (GfmAutoComplete.glEmojiTag) {
return `<li>${name} ${GfmAutoComplete.glEmojiTag(name)}</li>`;
}
return `<li>${name}</li>`;
},
};
// Team Members
GfmAutoComplete.Members = {
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templateFunction({ avatarTag, username, title, icon }) {
return `<li>${avatarTag} ${username} <small>${_.escape(title)}</small> ${icon}</li>`;
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},
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};
GfmAutoComplete.Labels = {
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templateFunction(color, title) {
return `<li><span class="dropdown-label-box" style="background: ${_.escape(
color,
)}"></span> ${_.escape(title)}</li>`;
},
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};
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// Issues, MergeRequests and Snippets
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GfmAutoComplete.Issues = {
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insertTemplateFunction(value) {
// eslint-disable-next-line no-template-curly-in-string
return value.reference || '${atwho-at}${id}';
},
templateFunction({ id, title, reference }) {
return `<li><small>${reference || id}</small> ${_.escape(title)}</li>`;
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},
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};
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// Milestones
GfmAutoComplete.Milestones = {
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templateFunction(title) {
return `<li>${_.escape(title)}</li>`;
},
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};
GfmAutoComplete.Loading = {
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template:
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'<li style="pointer-events: none;"><span class="spinner align-text-bottom mr-1"></span>Loading...</li>',
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};
export default GfmAutoComplete;