// ==UserScript==
// @name Universal Image Uploader
// @name:zh-CN 通用图片上传助手
// @name:zh-TW 通用圖片上傳助手
// @namespace https://github.com/utags
// @homepageURL https://github.com/utags/userscripts#readme
// @supportURL https://github.com/utags/userscripts/issues
// @version 0.4.0
// @description Paste/drag/select images, batch upload to Imgur; auto-copy Markdown/HTML/BBCode/link; site button integration with SPA observer; local history.
// @description:zh-CN 通用图片上传与插入：支持粘贴/拖拽/选择，批量上传至 Imgur；自动复制 Markdown/HTML/BBCode/链接；可为各站点插入按钮并适配 SPA；保存本地历史。
// @description:zh-TW 通用圖片上傳與插入：支援貼上/拖曳/選擇，批次上傳至 Imgur；自動複製 Markdown/HTML/BBCode/連結；可為各站點插入按鈕並適配 SPA；保存本地歷史。
// @author Pipecraft
// @license MIT
// @icon data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA2NCA2NCIgZmlsbD0ibm9uZSI+PHJlY3QgeD0iOCIgeT0iOCIgd2lkdGg9IjQ4IiBoZWlnaHQ9IjQ4IiByeD0iMTAiIHN0cm9rZT0iIzFmMjkzNyIgc3Ryb2tlLXdpZHRoPSI0Ii8+PHBhdGggZD0iTTMyIDIwbC0xMiAxMmg3djE4aDEwVjMyaDdsLTEyLTEyeiIgZmlsbD0iIzFmMjkzNyIvPjwvc3ZnPg==
// @noframes
// @match https://*.v2ex.com/*
// @match https://*.v2ex.co/*
// @match https://greasyfork.org/*
// @match https://www.nodeseek.com/*
// @match https://www.deepflood.com/*
// @match https://2libra.com/*
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_addStyle
// @grant GM_deleteValue
// @grant GM_registerMenuCommand
// @grant GM_setClipboard
// @grant GM_addValueChangeListener
// @grant GM.xmlhttpRequest
// @grant GM_xmlhttpRequest
// @connect api.imgur.com
// @connect tikolu.net
// ==/UserScript==
;(function () {
'use strict'
// CONFIG: Preset site configuration
// - Key: site hostname without port; strip leading 'www.'
// - format: default text format for insertion
// - host: default image provider ('imgur' | 'tikolu')
// - proxy: default proxy for non-Imgur links ('none' | 'wsrv.nl')
// - buttons: site-specific button injection rules
const CONFIG = {
// Examples: local preview page and common sites; add/remove as needed
localhost: {
format: 'markdown',
host: 'imgur',
proxy: 'none',
buttons: [{ selector: 'textarea', position: 'after', text: '插入图片' }],
},
'v2ex.com': {
format: 'link',
host: 'imgur',
proxy: 'none',
buttons: [
{
selector: '#reply-box > div.cell.flex-one-row > div:nth-child(1)',
position: 'inside',
text: '<a style="padding-left: 10px;"> + 插入图片</a>',
},
{
selector: '#tab-preview',
position: 'after',
text: '<a class="tab-alt"> + 插入图片</a>',
},
{
selector: 'button[onclick^="previewTopicContent"]',
position: 'before',
text: `<button type="button" class="super normal button" style="margin-right: 12px;"><li class="fa fa-plus"></li> 插入图片</button>`,
},
],
},
'greasyfork.org': {
format: 'markdown',
host: 'tikolu',
proxy: 'wsrv.nl',
buttons: [
{
selector: '.comment-screenshot-control',
position: 'before',
},
],
},
'nodeseek.com': {
format: 'markdown',
host: 'tikolu',
proxy: 'wsrv.nl',
buttons: [
{
selector:
'#editor-body > div.mde-toolbar > .toolbar-item:last-of-type',
position: 'after',
text: '插入图片',
},
],
},
'deepflood.com': {
format: 'markdown',
host: 'tikolu',
proxy: 'wsrv.nl',
buttons: [
{
selector:
'#editor-body > div.mde-toolbar > .toolbar-item:last-of-type',
position: 'after',
text: '插入图片',
},
],
},
'2libra.com': {
format: 'markdown',
host: 'tikolu',
proxy: 'wsrv.nl',
buttons: [
{
selector:
'.w-md-editor > div.w-md-editor-toolbar > ul:nth-child(1) > li:last-of-type',
position: 'after',
text: '插入图片',
},
],
},
'github.com': { format: 'markdown', host: 'tikolu', proxy: 'wsrv.nl' },
}
// I18N: language detection and translations
const I18N = {
en: {
header_title: 'Universal Image Uploader',
btn_history: 'History',
btn_settings: 'Settings',
btn_close: 'Close',
format_markdown: 'Markdown',
format_html: 'HTML',
format_bbcode: 'BBCode',
format_link: 'Link',
host_imgur: 'Imgur',
host_tikolu: 'Tikolu',
btn_select_images: 'Select Images',
progress_initial: 'Done 0/0',
progress_done: 'Done {done}/{total}',
hint_text:
'Paste or drag images onto the page, or click Select to batch upload',
settings_section_title: 'Site Button Settings',
placeholder_css_selector: 'CSS Selector',
pos_before: 'Before',
pos_after: 'After',
pos_inside: 'Inside',
placeholder_button_content: 'Button content (HTML allowed)',
insert_image_button_default: 'Insert image',
btn_save_and_insert: 'Save & Insert',
btn_remove_button_temp: 'Remove button (temporary)',
btn_clear_settings: 'Clear settings',
drop_overlay: 'Release to upload images',
log_uploading: 'Uploading: ',
log_success: '✅ Success: ',
log_failed: '❌ Failed: ',
btn_copy: 'Copy',
btn_open: 'Open',
btn_delete: 'Delete',
btn_edit: 'Edit',
btn_update: 'Update',
btn_cancel: 'Cancel',
menu_open_panel: 'Open upload panel',
menu_select_images: 'Select images',
menu_settings: 'Settings',
formats_section_title: 'Custom Formats',
placeholder_format_name: 'Format name',
placeholder_format_template: 'Format template',
example_format_template: 'Example: {name} - {link}',
btn_add_format: 'Add format',
formats_col_name: 'Name',
formats_col_template: 'Format',
formats_col_ops: 'Actions',
history_upload_page_prefix: 'Upload page: ',
history_upload_page: 'Upload page: {host}',
btn_history_count: 'History ({count})',
btn_clear_history: 'Clear',
default_image_name: 'image',
proxy_none: 'No proxy',
proxy_wsrv_nl: 'wsrv.nl',
error_network: 'Network error',
error_upload_failed: 'Upload failed',
},
'zh-CN': {
header_title: '通用图片上传助手',
btn_history: '历史',
btn_settings: '设置',
btn_close: '关闭',
format_markdown: 'Markdown',
format_html: 'HTML',
format_bbcode: 'BBCode',
format_link: '链接',
host_imgur: 'Imgur',
host_tikolu: 'Tikolu',
btn_select_images: '选择图片',
progress_initial: '完成 0/0',
progress_done: '完成 {done}/{total}',
hint_text: '支持粘贴图片、拖拽图片到页面或点击选择图片进行批量上传',
settings_section_title: '站点按钮设置',
placeholder_css_selector: 'CSS 选择器',
pos_before: '之前',
pos_after: '之后',
pos_inside: '里面',
placeholder_button_content: '按钮内容（可为 HTML）',
insert_image_button_default: '插入图片',
btn_save_and_insert: '保存并插入',
btn_remove_button_temp: '移除按钮（临时）',
btn_clear_settings: '清空设置',
drop_overlay: '释放以上传图片',
log_uploading: '上传中：',
log_success: '✅ 成功：',
log_failed: '❌ 失败：',
btn_copy: '复制',
btn_open: '打开',
btn_delete: '删除',
btn_edit: '编辑',
btn_update: '更新',
btn_cancel: '取消',
menu_open_panel: '打开图片上传面板',
menu_select_images: '选择图片',
menu_settings: '设置',
formats_section_title: '自定义格式',
placeholder_format_name: '格式名称',
placeholder_format_template: '格式内容',
example_format_template: '示例：{name} - {link}',
btn_add_format: '添加格式',
formats_col_name: '名字',
formats_col_template: '格式',
formats_col_ops: '操作',
history_upload_page_prefix: '上传页面：',
history_upload_page: '上传页面：{host}',
btn_history_count: '历史（{count}）',
btn_clear_history: '清空',
default_image_name: '图片',
proxy_none: '无代理',
proxy_wsrv_nl: 'wsrv.nl',
error_network: '网络错误',
error_upload_failed: '上传失败',
},
'zh-TW': {
header_title: '通用圖片上傳助手',
btn_history: '歷史',
btn_settings: '設定',
btn_close: '關閉',
format_markdown: 'Markdown',
format_html: 'HTML',
format_bbcode: 'BBCode',
format_link: '連結',
host_imgur: 'Imgur',
host_tikolu: 'Tikolu',
btn_select_images: '選擇圖片',
progress_initial: '完成 0/0',
progress_done: '完成 {done}/{total}',
hint_text: '支援貼上、拖曳圖片到頁面或點擊選擇檔案進行批次上傳',
settings_section_title: '站點按鈕設定',
placeholder_css_selector: 'CSS 選擇器',
pos_before: '之前',
pos_after: '之後',
pos_inside: '裡面',
placeholder_button_content: '按鈕內容（可為 HTML）',
insert_image_button_default: '插入圖片',
btn_save_and_insert: '保存並插入',
btn_remove_button_temp: '移除按鈕（暫時）',
btn_clear_settings: '清空設定',
drop_overlay: '放開以上傳圖片',
log_uploading: '上傳中：',
log_success: '✅ 成功：',
log_failed: '❌ 失敗：',
btn_copy: '複製',
btn_open: '打開',
btn_delete: '刪除',
btn_edit: '編輯',
btn_update: '更新',
btn_cancel: '取消',
menu_open_panel: '打開圖片上傳面板',
menu_select_images: '選擇圖片',
menu_settings: '設定',
formats_section_title: '自訂格式',
placeholder_format_name: '格式名稱',
placeholder_format_template: '格式內容',
example_format_template: '範例：{name} - {link}',
btn_add_format: '新增格式',
formats_col_name: '名稱',
formats_col_template: '格式',
formats_col_ops: '操作',
history_upload_page_prefix: '上傳頁面：',
history_upload_page: '上傳頁面：{host}',
btn_history_count: '歷史（{count}）',
btn_clear_history: '清空',
default_image_name: '圖片',
proxy_none: '不使用代理',
proxy_wsrv_nl: 'wsrv.nl',
error_network: '網路錯誤',
error_upload_failed: '上傳失敗',
},
}
function detectLanguage() {
try {
const browserLang = (
navigator.language ||
navigator.userLanguage ||
'en'
).toLowerCase()
const supported = Object.keys(I18N)
if (supported.includes(browserLang)) return browserLang
const base = browserLang.split('-')[0]
const match = supported.find((l) => l.startsWith(base + '-'))
return match || 'en'
} catch {
return 'en'
}
}
const USER_LANG = detectLanguage()
function t(key) {
return (I18N[USER_LANG] && I18N[USER_LANG][key]) || I18N.en[key] || key
}
function tpl(str, params) {
return String(str).replace(/\{(\w+)\}/g, (_, k) => `${params?.[k] ?? ''}`)
}
// Imgur Client ID pool (see upload-image.ts)
const IMGUR_CLIENT_IDS = [
'3107b9ef8b316f3',
'442b04f26eefc8a',
'59cfebe717c09e4',
'60605aad4a62882',
'6c65ab1d3f5452a',
'83e123737849aa9',
'9311f6be1c10160',
'c4a4a563f698595',
'81be04b9e4a08ce',
]
const HISTORY_KEY = 'uiu_history'
const FORMAT_MAP_KEY = 'uiu_format_map' // legacy
const BTN_SETTINGS_MAP_KEY = 'uiu_site_btn_settings_map' // legacy
const HOST_MAP_KEY = 'uiu_host_map' // legacy
const PROXY_MAP_KEY = 'uiu_proxy_map' // legacy
const SITE_SETTINGS_MAP_KEY = 'uiu_site_settings_map'
const CUSTOM_FORMATS_KEY = 'uiu_custom_formats'
const DEFAULT_FORMAT = 'markdown'
const DEFAULT_HOST = 'tikolu'
const DEFAULT_PROXY = 'wsrv.nl'
// Global allowed value lists
const ALLOWED_FORMATS = ['markdown', 'html', 'bbcode', 'link']
const ALLOWED_HOSTS = ['imgur', 'tikolu']
const ALLOWED_PROXIES = ['none', 'wsrv.nl']
const ALLOWED_BUTTON_POSITIONS = ['before', 'inside', 'after']
const DEFAULT_BUTTON_POSITION = 'after'
// Migrate legacy storage keys from older versions (iu_*) to new (uiu_*) - v0.1 to v0.2
function migrateLegacyStorage() {
try {
const maybeMove = (oldKey, newKey) => {
const hasNew = GM_getValue(newKey, undefined) !== undefined
const oldVal = GM_getValue(oldKey, undefined)
const hasOld = oldVal !== undefined
if (!hasNew && hasOld) {
GM_setValue(newKey, oldVal)
try {
if (typeof GM_deleteValue === 'function') GM_deleteValue(oldKey)
} catch {}
}
}
maybeMove('iu_history', HISTORY_KEY)
maybeMove('iu_format_map', FORMAT_MAP_KEY)
maybeMove('iu_site_btn_settings_map', BTN_SETTINGS_MAP_KEY)
} catch {}
}
// Run migration early before any reads/writes
migrateLegacyStorage()
// Utility: normalize a host string consistently (trim and strip leading 'www.')
function normalizeHost(h) {
try {
h = String(h || '').trim()
return h.startsWith('www.') ? h.slice(4) : h
} catch {
return h
}
}
/**
* ensureAllowedValue
* Returns `value` if it is contained in `allowedValues`,
* otherwise returns `defaultValue` (or `undefined` when omitted).
*
* - `allowedValues` may be any array; non-array or empty lists yield `defaultValue`/`undefined`.
* - Optimizes lookups for larger lists via `Set`.
* - Does not coerce types; comparison is strict equality against items in `allowedValues`.
*/
function ensureAllowedValue(value, allowedValues, defaultValue) {
if (!Array.isArray(allowedValues) || allowedValues.length === 0) {
return defaultValue
}
if (allowedValues.length < 8) {
return allowedValues.includes(value) ? value : defaultValue
}
const set = new Set(allowedValues)
return set.has(value) ? value : defaultValue
}
// Global custom formats: [{ name: string, template: string }]
function getCustomFormats() {
try {
const list = GM_getValue(CUSTOM_FORMATS_KEY, []) || []
if (!Array.isArray(list)) return []
return list
.map((it) => ({
name: String(it?.name || '').trim(),
template: String(it?.template || ''),
}))
.filter((it) => it.name && it.template)
} catch {
return []
}
}
function setCustomFormats(list) {
try {
const arr = Array.isArray(list) ? list : []
const normalized = arr
.map((it) => ({
name: String(it?.name || '').trim(),
template: String(it?.template || ''),
}))
.filter((it) => it.name && it.template)
// de-duplicate by name (last wins)
const map = new Map()
normalized.forEach((it) => map.set(it.name, it.template))
const out = Array.from(map.entries()).map(([name, template]) => ({
name,
template,
}))
GM_setValue(CUSTOM_FORMATS_KEY, out)
} catch {}
}
function upsertCustomFormat(name, template) {
try {
name = String(name || '').trim()
template = String(template || '')
if (!name || !template) return
const list = getCustomFormats()
const idx = list.findIndex((it) => it.name === name)
if (idx >= 0) list[idx] = { name, template }
else list.push({ name, template })
setCustomFormats(list)
} catch {}
}
function removeCustomFormat(name) {
try {
name = String(name || '').trim()
if (!name) return
const list = getCustomFormats().filter((it) => it.name !== name)
setCustomFormats(list)
} catch {}
}
function getAllowedFormats() {
try {
return [...ALLOWED_FORMATS, ...getCustomFormats().map((f) => f.name)]
} catch {
return [...ALLOWED_FORMATS]
}
}
function ensureAllowedFormat(fmt) {
return ensureAllowedValue(fmt, getAllowedFormats(), DEFAULT_FORMAT)
}
// Migrate existing separate maps (format/host/proxy/buttons) into unified per-domain map - v0.2 to v0.3 and later
function migrateToUnifiedSiteMap() {
try {
const existing = GM_getValue(SITE_SETTINGS_MAP_KEY, undefined)
const siteMap = existing && typeof existing === 'object' ? existing : {}
const isEmpty = !siteMap || Object.keys(siteMap).length === 0
// Only migrate if the unified map is empty to avoid overwriting user settings
if (!isEmpty) return
const formatMap = GM_getValue(FORMAT_MAP_KEY, {}) || {}
const hostMap = GM_getValue(HOST_MAP_KEY, {}) || {}
const proxyMap = GM_getValue(PROXY_MAP_KEY, {}) || {}
const btnMap = GM_getValue(BTN_SETTINGS_MAP_KEY, {}) || {}
const rawKeys = new Set([
...Object.keys(formatMap),
...Object.keys(hostMap),
...Object.keys(proxyMap),
...Object.keys(btnMap),
...Object.keys(CONFIG || {}),
])
const keys = new Set()
rawKeys.forEach((k) => keys.add(normalizeHost(k)))
keys.forEach((key) => {
if (!key) return
const preset = CONFIG?.[key] || {}
const s = siteMap[key] || {}
// Format
if (s.format === undefined) {
const fmt = formatMap[key] ?? preset.format
const normalizedFormat = ensureAllowedFormat(fmt)
if (normalizedFormat) s.format = normalizedFormat
}
// Host
if (s.host === undefined) {
const h = hostMap[key] ?? preset.host
const normalizedHost = ensureAllowedValue(h, ALLOWED_HOSTS)
if (normalizedHost) s.host = normalizedHost
}
// Proxy (Due to legacy logic, do not persist 'none', convert 'none' to undefined)
if (s.proxy === undefined) {
const px = proxyMap[key] ?? preset.proxy
const resolved = ensureAllowedValue(px, ALLOWED_PROXIES)
if (resolved && resolved !== 'none') s.proxy = resolved
}
// Buttons
if (s.buttons === undefined) {
const raw = btnMap[key] ?? preset.buttons ?? preset.button ?? []
const arr = Array.isArray(raw) ? raw : raw ? [raw] : []
const list = arr
.map((c) => {
const selector = String(c?.selector || '').trim()
if (!selector) return null
const p = String(c?.position || '').trim()
const pos = ensureAllowedValue(
p,
ALLOWED_BUTTON_POSITIONS,
DEFAULT_BUTTON_POSITION
)
const text = String(
c?.text || t('insert_image_button_default')
).trim()
return { selector, position: pos, text }
})
.filter(Boolean)
if (list.length) s.buttons = list
}
if (Object.keys(s).length > 0) siteMap[key] = s
})
GM_setValue(SITE_SETTINGS_MAP_KEY, siteMap)
// Optionally clear legacy keys to avoid duplication
try {
if (typeof GM_deleteValue === 'function') {
GM_deleteValue(FORMAT_MAP_KEY)
GM_deleteValue(HOST_MAP_KEY)
GM_deleteValue(PROXY_MAP_KEY)
GM_deleteValue(BTN_SETTINGS_MAP_KEY)
}
} catch {}
} catch {}
}
migrateToUnifiedSiteMap()
// Apply preset config to unified storage (only set missing fields)
function applyPresetConfig() {
try {
const siteMap = GM_getValue(SITE_SETTINGS_MAP_KEY, {}) || {}
let changed = false
Object.entries(CONFIG || {}).forEach(([host, preset]) => {
const key = normalizeHost(host)
if (!key || typeof preset !== 'object') return
const s = siteMap[key] || {}
// format
if (s.format === undefined && preset.format) {
const normalizedFormat = ensureAllowedValue(
preset.format,
ALLOWED_FORMATS
)
if (normalizedFormat) {
s.format = normalizedFormat
changed = true
}
}
// host
if (s.host === undefined && preset.host) {
const normalizedHost = ensureAllowedValue(preset.host, ALLOWED_HOSTS)
if (normalizedHost) {
s.host = normalizedHost
changed = true
}
}
// proxy
if (s.proxy === undefined && preset.proxy) {
const resolved = ensureAllowedValue(preset.proxy, ALLOWED_PROXIES)
if (resolved) {
s.proxy = resolved
changed = true
}
}
// buttons
if (s.buttons === undefined) {
const raw = preset.buttons || preset.button || []
const arr = Array.isArray(raw) ? raw : raw ? [raw] : []
const list = arr
.map((c) => {
const selector = String(c?.selector || '').trim()
if (!selector) return null
const p = String(c?.position || '').trim()
const pos = ensureAllowedValue(
p,
ALLOWED_BUTTON_POSITIONS,
DEFAULT_BUTTON_POSITION
)
const text = String(
c?.text || t('insert_image_button_default')
).trim()
return { selector, position: pos, text }
})
.filter(Boolean)
if (list.length) {
s.buttons = list
changed = true
}
}
if (changed) siteMap[key] = s
})
if (changed) GM_setValue(SITE_SETTINGS_MAP_KEY, siteMap)
} catch {}
}
// Initialize once at runtime
applyPresetConfig()
const SITE_KEY = normalizeHost(location.hostname || '')
const getSiteSettingsMap = () => GM_getValue(SITE_SETTINGS_MAP_KEY, {})
const setSiteSettingsMap = (map) => GM_setValue(SITE_SETTINGS_MAP_KEY, map)
const getCurrentSiteSettings = () => {
const map = getSiteSettingsMap()
return map[SITE_KEY] || {}
}
const updateCurrentSiteSettings = (updater) => {
const map = getSiteSettingsMap()
const key = SITE_KEY
const current = map[key] || {}
const partial =
typeof updater === 'function'
? updater({ ...current })
: { ...(updater || {}) }
const next = { ...current, ...partial }
// sanitize format (allow built-ins and user custom formats)
if (Object.prototype.hasOwnProperty.call(next, 'format')) {
const resolvedFormat = ensureAllowedFormat(next.format)
if (resolvedFormat) next.format = resolvedFormat
else delete next.format
}
// sanitize host
if (Object.prototype.hasOwnProperty.call(next, 'host')) {
const resolvedHost = ensureAllowedValue(next.host, ALLOWED_HOSTS)
if (resolvedHost) next.host = resolvedHost
else delete next.host
}
// sanitize proxy
if (Object.prototype.hasOwnProperty.call(next, 'proxy')) {
const resolved = ensureAllowedValue(next.proxy, ALLOWED_PROXIES)
if (resolved) next.proxy = resolved
else delete next.proxy
}
// sanitize buttons (empty or falsy removes the field)
if (Object.prototype.hasOwnProperty.call(next, 'buttons')) {
const list = next.buttons
if (!list || !Array.isArray(list) || list.length === 0) {
delete next.buttons
}
}
// persist
if (!next || Object.keys(next).length === 0) {
if (map[key]) delete map[key]
} else {
map[key] = next
}
setSiteSettingsMap(map)
}
const getFormat = () => {
const s = getCurrentSiteSettings()
return s.format || DEFAULT_FORMAT
}
const setFormat = (format) => {
updateCurrentSiteSettings({ format })
}
const getHost = () => {
const s = getCurrentSiteSettings()
return s.host || DEFAULT_HOST
}
const setHost = (host) => {
updateCurrentSiteSettings({ host })
}
const getProxy = () => {
const s = getCurrentSiteSettings()
return s.proxy || DEFAULT_PROXY
}
const setProxy = (proxy) => {
updateCurrentSiteSettings({ proxy })
}
// Support multiple site button configurations
const getSiteBtnSettingsList = () => {
const s = getCurrentSiteSettings()
const val = s.buttons || []
return Array.isArray(val) ? val : val?.selector ? [val] : []
}
const setSiteBtnSettingsList = (list) => {
updateCurrentSiteSettings({ buttons: list })
}
const addSiteBtnSetting = (cfg) => {
const selector = (cfg?.selector || '').trim()
if (!selector) return
const p = (cfg?.position || '').trim()
const pos = ensureAllowedValue(
p,
ALLOWED_BUTTON_POSITIONS,
DEFAULT_BUTTON_POSITION
)
const text = (cfg?.text || t('insert_image_button_default')).trim()
const list = getSiteBtnSettingsList()
list.push({ selector, position: pos, text })
setSiteBtnSettingsList(list)
}
const removeSiteBtnSetting = (index) => {
const list = getSiteBtnSettingsList()
if (index >= 0 && index < list.length) {
list.splice(index, 1)
setSiteBtnSettingsList(list)
}
}
const updateSiteBtnSetting = (index, cfg) => {
const list = getSiteBtnSettingsList()
if (!list || index < 0 || index >= list.length) return
const selector = (cfg?.selector || '').trim()
if (!selector) return
const p = (cfg?.position || '').trim()
const pos = ensureAllowedValue(
p,
ALLOWED_BUTTON_POSITIONS,
DEFAULT_BUTTON_POSITION
)
const text = (cfg?.text || t('insert_image_button_default')).trim()
list[index] = { selector, position: pos, text }
setSiteBtnSettingsList(list)
}
const MAX_HISTORY = 50
const createEl = (tag, attrs = {}, children = []) => {
const el = document.createElement(tag)
Object.entries(attrs).forEach(([k, v]) => {
if (k === 'text') el.textContent = v
else if (k === 'class') el.className = v
else el.setAttribute(k, v)
})
children.forEach((c) => el.appendChild(c))
return el
}
// Helper: build button position options for a select element
// selectedValue is optional; defaults to DEFAULT_BUTTON_POSITION when absent/invalid
const buildPositionOptions = (selectEl, selectedValue) => {
if (!selectEl) return
// Avoid Trusted Types violation: clear without using innerHTML
selectEl.textContent = ''
const selected = selectedValue
? ensureAllowedValue(
selectedValue,
ALLOWED_BUTTON_POSITIONS,
DEFAULT_BUTTON_POSITION
)
: DEFAULT_BUTTON_POSITION
ALLOWED_BUTTON_POSITIONS.forEach((value) => {
const opt = createEl('option', { value, text: t('pos_' + value) })
if (value === selected) opt.selected = true
selectEl.appendChild(opt)
})
}
// Helper: build format options
const buildFormatOptions = (selectEl, selectedValue) => {
if (!selectEl) return
// Avoid Trusted Types violation: clear without using innerHTML
selectEl.textContent = ''
const selected = selectedValue
? ensureAllowedFormat(selectedValue)
: DEFAULT_FORMAT
const builtins = ALLOWED_FORMATS
const customs = getCustomFormats()
builtins.forEach((val) => {
const opt = createEl('option', { value: val, text: t('format_' + val) })
if (val === selected) opt.selected = true
selectEl.appendChild(opt)
})
customs.forEach((cf) => {
const opt = createEl('option', { value: cf.name, text: cf.name })
if (cf.name === selected) opt.selected = true
selectEl.appendChild(opt)
})
}
// Helper: build host options
const buildHostOptions = (selectEl, selectedValue) => {
if (!selectEl) return
// Avoid Trusted Types violation: clear without using innerHTML
selectEl.textContent = ''
const selected = selectedValue
? ensureAllowedValue(selectedValue, ALLOWED_HOSTS, DEFAULT_HOST)
: DEFAULT_HOST
ALLOWED_HOSTS.forEach((val) => {
const opt = createEl('option', { value: val, text: t('host_' + val) })
if (val === selected) opt.selected = true
selectEl.appendChild(opt)
})
}
// Helper: build proxy options
const buildProxyOptions = (selectEl, selectedValue) => {
if (!selectEl) return
// Avoid Trusted Types violation: clear without using innerHTML
selectEl.textContent = ''
const selected = selectedValue
? ensureAllowedValue(selectedValue, ALLOWED_PROXIES, DEFAULT_PROXY)
: DEFAULT_PROXY
const proxyLabelKey = (val) =>
val === 'wsrv.nl' ? 'proxy_wsrv_nl' : 'proxy_none'
ALLOWED_PROXIES.forEach((val) => {
const opt = createEl('option', {
value: val,
text: t(proxyLabelKey(val)),
})
if (val === selected) opt.selected = true
selectEl.appendChild(opt)
})
}
const css = `
#uiu-panel { position: fixed; right: 16px; bottom: 16px; z-index: 999999; width: 440px; max-height: calc(100vh - 32px); overflow: auto; background: #111827cc; color: #fff; backdrop-filter: blur(6px); border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.25); font-family: system-ui, -apple-system, Segoe UI, Roboto; font-size: 13px; line-height: 1.5; }
#uiu-panel header { display:flex; align-items:center; justify-content:space-between; padding: 10px 12px; font-weight: 600; font-size: 16px; background-color: unset; box-shadow: unset; transition: unset; }
#uiu-panel header .uiu-actions { display:flex; gap:8px; }
#uiu-panel header .uiu-actions button { font-size: 12px; }
/* Active styles for toggles when sections are open */
#uiu-panel header.uiu-show-history .uiu-actions .uiu-toggle-history { background:#2563eb; border-color:#1d4ed8; box-shadow: 0 0 0 1px #1d4ed8 inset; color:#fff; }
#uiu-panel header.uiu-show-settings .uiu-actions .uiu-toggle-settings { background:#2563eb; border-color:#1d4ed8; box-shadow: 0 0 0 1px #1d4ed8 inset; color:#fff; }
#uiu-panel .uiu-body { padding: 8px 12px; }
#uiu-panel .uiu-controls { display:flex; align-items:center; gap:8px; flex-wrap: wrap; }
#uiu-panel select, #uiu-panel button { font-size: 12px; padding: 6px 10px; border-radius: 6px; border: 1px solid #334155; background:#1f2937; color:#fff; }
#uiu-panel button.uiu-primary { background:#2563eb; border-color:#1d4ed8; }
#uiu-panel .uiu-list { margin-top:8px; max-height: 140px; overflow-y:auto; overflow-x:hidden; font-size: 12px; }
#uiu-panel .uiu-list .uiu-item { padding:6px 0; border-bottom: 1px dashed #334155; white-space: normal; word-break: break-word; overflow-wrap: anywhere; }
#uiu-panel .uiu-history { display:none; margin-top:12px; border-top: 2px solid #475569; padding-top: 8px; }
#uiu-panel header.uiu-show-history + .uiu-body .uiu-history { display:block; }
#uiu-panel .uiu-history .uiu-controls > span { font-size: 16px; font-weight: 600;}
#uiu-panel .uiu-history .uiu-list { max-height: 240px; }
#uiu-panel .uiu-history .uiu-row { display:flex; align-items:center; justify-content:space-between; gap:8px; padding:6px 0; border-bottom: 1px dashed #334155; }
#uiu-panel .uiu-history .uiu-row .uiu-ops { display:flex; gap:6px; }
#uiu-panel .uiu-history .uiu-row .uiu-name { display:block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#uiu-panel .uiu-hint { font-size: 11px; opacity:.85; margin-top:6px; }
/* Settings container toggling */
#uiu-panel .uiu-settings-container { display:none; margin-top:12px; border-top: 2px solid #475569; padding-top: 8px; }
#uiu-panel header.uiu-show-settings + .uiu-body .uiu-settings-container { display:block; }
#uiu-panel .uiu-settings .uiu-controls > span { font-size: 16px; font-weight: 600;}
#uiu-panel .uiu-settings .uiu-settings-list { margin-top:6px; max-height: 240px; overflow-y:auto; overflow-x:hidden; }
#uiu-panel .uiu-settings .uiu-settings-row { display:flex; align-items:center; justify-content:space-between; gap:8px; padding:6px 0; border-bottom: 1px dashed #334155; font-size: 12px; flex-wrap: nowrap; }
#uiu-panel .uiu-settings .uiu-settings-row .uiu-settings-item { flex:1; display:flex; align-items:center; gap:6px; min-width:0; }
#uiu-panel .uiu-settings .uiu-settings-row .uiu-settings-item input[type="text"] { flex:1; min-width:0; }
#uiu-panel .uiu-settings .uiu-settings-row .uiu-settings-item select { flex:0 0 auto; }
#uiu-panel .uiu-settings .uiu-settings-row .uiu-ops { display:flex; gap:6px; flex-shrink:0; white-space:nowrap; }
#uiu-drop { position: fixed; inset: 0; background: rgba(37,99,235,.12); border: 2px dashed #2563eb; display:none; align-items:center; justify-content:center; z-index: 999998; color:#2563eb; font-size: 18px; font-weight: 600; }
#uiu-drop.show { display:flex; }
.uiu-insert-btn { cursor:pointer; }
.uiu-insert-btn.uiu-default { font-size: 12px; padding: 4px 8px; border-radius: 6px; border: 1px solid #334155; background:#1f2937; color:#fff; cursor:pointer; }
/* Hover effects for all buttons */
#uiu-panel button { transition: background-color .12s ease, box-shadow .12s ease, transform .06s ease, opacity .12s ease, border-color .12s ease; }
#uiu-panel button:hover { background:#334155; border-color:#475569; box-shadow: 0 0 0 1px #475569 inset; transform: translateY(-0.5px); }
#uiu-panel button.uiu-primary:hover { background:#1d4ed8; border-color:#1e40af; }
#uiu-panel button:active { transform: translateY(0); }
/* Disabled style for proxy selector */
#uiu-panel select:disabled { opacity:.55; cursor:not-allowed; filter: grayscale(80%); background:#111827; color:#9ca3af; border-color:#475569; }
/* Custom Formats layout */
#uiu-panel .uiu-formats { margin-top:12px; border-top: 2px solid #475569; padding-top: 8px; }
#uiu-panel .uiu-formats .uiu-controls > span { font-size: 16px; font-weight: 600; }
#uiu-panel .uiu-formats .uiu-formats-list { margin-top:6px; max-height: 200px; overflow-y:auto; overflow-x:hidden; }
#uiu-panel .uiu-formats .uiu-formats-row { display:grid; grid-template-columns: 1fr 2fr 180px; align-items:center; gap:8px; padding:6px 0; border-bottom: 1px dashed #334155; }
#uiu-panel .uiu-formats .uiu-formats-row .uiu-ops { display:flex; gap:6px; justify-content:flex-end; }
#uiu-panel .uiu-formats .uiu-formats-row:not(.uiu-editing) .uiu-fmt-name, #uiu-panel .uiu-formats .uiu-formats-row:not(.uiu-editing) .uiu-fmt-template { display:block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#uiu-panel .uiu-formats .uiu-formats-row.uiu-editing .uiu-fmt-name, #uiu-panel .uiu-formats .uiu-formats-row.uiu-editing .uiu-fmt-template { overflow: visible; text-overflow: clip; white-space: normal; }
#uiu-panel .uiu-formats .uiu-form-add { display:grid; grid-template-columns: 1fr 2fr 180px; align-items:center; gap:8px; }
#uiu-panel .uiu-formats .uiu-formats-row input[type="text"] { width:100%; }
#uiu-panel .uiu-formats .uiu-form-add input[type="text"] { width:100%; }
#uiu-panel .uiu-formats .uiu-form-add button { justify-self: end; }
#uiu-panel .uiu-formats .uiu-formats-header { font-weight: 600; color:#e5e7eb; }
#uiu-panel .uiu-formats .uiu-form-add .uiu-fmt-name, #uiu-panel .uiu-formats .uiu-form-add .uiu-fmt-template { display:block; min-width:0; }
#uiu-panel .uiu-formats .uiu-format-example-row { padding-top:4px; border-bottom: none; }
#uiu-panel .uiu-formats .uiu-format-example-row .uiu-fmt-template { font-size:12px; color:#cbd5e1; white-space: normal; overflow: visible; text-overflow: clip; }
`
GM_addStyle(css)
function loadHistory() {
return GM_getValue(HISTORY_KEY, [])
}
function saveHistory(list) {
GM_setValue(HISTORY_KEY, list.slice(0, MAX_HISTORY))
}
function addToHistory(entry) {
const list = loadHistory()
list.unshift(entry)
saveHistory(list)
}
function basename(name) {
const n = (name || '').trim()
if (!n) return t('default_image_name')
return n.replace(/\.[^.]+$/, '')
}
function formatText(link, name, fmt) {
const alt = basename(name)
// Custom format support: if fmt matches a user-defined template name
try {
const custom = getCustomFormats().find((cf) => cf.name === fmt)
if (custom) {
return tpl(custom.template, { link, name: alt })
}
} catch {}
switch (fmt) {
case 'html':
return `<img src="${link}" alt="${alt}" />`
case 'bbcode':
return `[img]${link}[/img]`
case 'link':
return link
default:
return ``
}
}
function isImgurUrl(url) {
try {
const u = new URL(url)
const h = u.hostname.toLowerCase()
return h.includes('imgur.com')
} catch {
return false
}
}
function applyProxy(url, providerKey) {
try {
const px = getProxy()
if (px === 'none') return url
const provider = providerKey || getHost()
if (provider === 'imgur' || isImgurUrl(url)) return url
if (px === 'wsrv.nl') {
return `https://wsrv.nl/?url=${encodeURIComponent(url)}`
}
return url
} catch {
return url
}
}
async function uploadToImgur(file) {
// Shuffle Client-ID list to ensure a different ID on each retry
const ids = [...IMGUR_CLIENT_IDS]
for (let i = ids.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1))
;[ids[i], ids[j]] = [ids[j], ids[i]]
}
let lastError
for (const id of ids) {
const formData = new FormData()
formData.append('image', file)
try {
const res = await fetch('https://api.imgur.com/3/upload', {
method: 'POST',
headers: { Authorization: `Client-ID ${id}` },
body: formData,
})
if (!res.ok) {
lastError = new Error(t('error_network'))
continue
}
const data = await res.json()
if (data?.success && data?.data?.link) {
return data.data.link
}
lastError = new Error(t('error_upload_failed'))
} catch (e) {
lastError = e
}
}
throw lastError || new Error(t('error_upload_failed'))
}
async function uploadToTikolu(file) {
// 8mb size limit (server also checks)
if (Math.floor(file.size / 1000) > 8000) {
throw new Error('8mb limit')
}
const formData = new FormData()
formData.append('upload', true)
formData.append('file', file)
return new Promise((resolve, reject) => {
const req =
typeof GM !== 'undefined' && GM?.xmlHttpRequest
? GM.xmlHttpRequest
: typeof GM_xmlhttpRequest !== 'undefined'
? GM_xmlhttpRequest
: null
if (!req) {
reject(new Error('GM.xmlHttpRequest unavailable'))
return
}
try {
req({
method: 'POST',
url: 'https://tikolu.net/i/',
data: formData,
responseType: 'json',
onload: (res) => {
try {
const data = res.response ?? JSON.parse(res.responseText || '{}')
if (data?.status === 'uploaded' && data?.id) {
resolve(`https://tikolu.net/i/${data.id}`)
} else {
reject(new Error(t('error_upload_failed')))
}
} catch (e) {
reject(e)
}
},
onerror: () => reject(new Error(t('error_network'))),
ontimeout: () => reject(new Error(t('error_network'))),
})
} catch (e) {
reject(e)
}
})
}
async function uploadImage(file) {
const host = getHost()
if (host === 'tikolu') return uploadToTikolu(file)
// Default
return uploadToImgur(file)
}
// Track last visited editable element to support insertion after focus is lost
let lastEditableEl = null
// Helper: get deepest active element across Shadow DOM and same-origin iframes
function getDeepActiveElement() {
let el = document.activeElement
try {
// Traverse into open shadow roots
while (el && el.shadowRoot && el.shadowRoot.activeElement) {
el = el.shadowRoot.activeElement
}
// Traverse into same-origin iframes
while (
el &&
el.tagName === 'IFRAME' &&
el.contentDocument &&
el.contentDocument.activeElement
) {
el = el.contentDocument.activeElement
}
} catch {}
return el
}
// Helper: check if node is inside our UI panel (including its Shadow DOM)
function isInsideUIPanel(node) {
try {
const host = document.getElementById('uiu-panel')
if (!host || !node) return false
if (host === node) return true
if (host.contains(node)) return true
const root = host.shadowRoot
return root ? root.contains(node) : false
} catch {}
return false
}
function isTextInput(el) {
if (!(el instanceof HTMLInputElement)) return false
const type = (el.type || '').toLowerCase()
return (
type === 'text' ||
type === 'search' ||
type === 'url' ||
type === 'email' ||
type === 'tel'
)
}
function isEditable(el) {
return (
el instanceof HTMLTextAreaElement ||
isTextInput(el) ||
(el instanceof HTMLElement && el.isContentEditable)
)
}
document.addEventListener(
'focusin',
(e) => {
// Use deep active element to handle Shadow DOM editors
const deepTarget =
getDeepActiveElement() ||
(typeof e.composedPath === 'function' ? e.composedPath()[0] : e.target)
if (
deepTarget &&
isEditable(deepTarget) &&
!isInsideUIPanel(deepTarget)
) {
lastEditableEl = deepTarget
}
},
true
)
function insertIntoFocused(text) {
let el = getDeepActiveElement()
// Fallback to last editable target if current focus is not usable (or inside our panel)
if (!isEditable(el) || isInsideUIPanel(el)) {
el = lastEditableEl
try {
if (el && typeof el.focus === 'function') el.focus()
} catch {}
}
if (!isEditable(el) || isInsideUIPanel(el)) return false
try {
if (el instanceof HTMLTextAreaElement || isTextInput(el)) {
const start = el.selectionStart ?? el.value.length
const end = el.selectionEnd ?? el.value.length
const v = el.value
el.value = v.slice(0, start) + text + v.slice(end)
el.dispatchEvent(new Event('input', { bubbles: true }))
return true
}
if (el instanceof HTMLElement && el.isContentEditable) {
// Ensure caret is inside the element, fallback to end
try {
const sel = window.getSelection()
if (sel) {
const range = document.createRange()
range.selectNodeContents(el)
range.collapse(false)
sel.removeAllRanges()
sel.addRange(range)
}
} catch {}
document.execCommand('insertText', false, text)
return true
}
} catch {}
return false
}
function copyAndInsert(text) {
try {
GM_setClipboard(text)
} catch {}
insertIntoFocused(`\n${text}\n`)
}
function createPanel() {
const panel = createEl('div', { id: 'uiu-panel' })
// Attach Shadow DOM and inject scoped styles (convert '#uiu-panel' selectors to ':host')
const root = panel.attachShadow({ mode: 'open' })
try {
const styleEl = document.createElement('style')
styleEl.textContent = css.replace(/#uiu-panel\b/g, ':host')
root.appendChild(styleEl)
} catch {}
const header = createEl('header')
header.appendChild(createEl('span', { text: t('header_title') }))
const actions = createEl('div', { class: 'uiu-actions' })
const toggleHistoryBtn = createEl('button', {
text: t('btn_history'),
class: 'uiu-toggle-history',
})
toggleHistoryBtn.addEventListener('click', () => {
header.classList.toggle('uiu-show-history')
renderHistory()
try {
toggleHistoryBtn.setAttribute(
'aria-pressed',
header.classList.contains('uiu-show-history') ? 'true' : 'false'
)
} catch {}
})
const settingsBtn = createEl('button', {
text: t('btn_settings'),
class: 'uiu-toggle-settings',
})
settingsBtn.addEventListener('click', () => {
header.classList.toggle('uiu-show-settings')
try {
refreshSettingsUI()
} catch {}
try {
settingsBtn.setAttribute(
'aria-pressed',
header.classList.contains('uiu-show-settings') ? 'true' : 'false'
)
} catch {}
})
const closeBtn = createEl('button', { text: t('btn_close') })
closeBtn.addEventListener('click', () => {
panel.style.display = 'none'
})
actions.appendChild(toggleHistoryBtn)
actions.appendChild(settingsBtn)
actions.appendChild(closeBtn)
header.appendChild(actions)
const body = createEl('div', { class: 'uiu-body' })
const controls = createEl('div', { class: 'uiu-controls' })
const format = getFormat()
const formatSel = createEl('select')
buildFormatOptions(formatSel, format)
formatSel.addEventListener('change', () => setFormat(formatSel.value))
const host = getHost()
const hostSel = createEl('select')
buildHostOptions(hostSel, host)
hostSel.addEventListener('change', () => {
setHost(hostSel.value)
updateProxyState()
})
const proxy = getProxy()
const proxySel = createEl('select')
buildProxyOptions(proxySel, proxy)
function updateProxyState() {
const currentHost = hostSel.value
if (currentHost === 'imgur') {
proxySel.value = 'none'
proxySel.disabled = true
setProxy('none')
try {
renderHistory()
} catch {}
} else {
proxySel.disabled = false
}
}
updateProxyState()
proxySel.addEventListener('change', () => {
setProxy(proxySel.value)
try {
renderHistory()
} catch {}
})
function openFilePicker() {
const input = createEl('input', {
type: 'file',
accept: 'image/*',
multiple: 'true',
style: 'display:none',
})
input.addEventListener('change', () => {
if (input.files?.length) handleFiles(Array.from(input.files))
})
input.click()
}
const selectBtn = createEl('button', {
class: 'uiu-primary',
text: t('btn_select_images'),
})
selectBtn.addEventListener('click', openFilePicker)
const progressEl = createEl('span', {
class: 'uiu-progress',
text: t('progress_initial'),
})
controls.appendChild(formatSel)
controls.appendChild(hostSel)
controls.appendChild(proxySel)
controls.appendChild(selectBtn)
controls.appendChild(progressEl)
body.appendChild(controls)
const list = createEl('div', { class: 'uiu-list' })
body.appendChild(list)
const hint = createEl('div', {
class: 'uiu-hint',
text: t('hint_text'),
})
body.appendChild(hint)
const history = createEl('div', { class: 'uiu-history' })
body.appendChild(history)
// Parent container that groups Site Button Settings and Custom Formats
const settingsContainer = createEl('div', {
class: 'uiu-settings-container',
})
body.appendChild(settingsContainer)
const settings = createEl('div', { class: 'uiu-settings' })
const settingsHeader = createEl('div', { class: 'uiu-controls' })
settingsHeader.appendChild(
createEl('span', { text: t('settings_section_title') })
)
settings.appendChild(settingsHeader)
const settingsForm = createEl('div', { class: 'uiu-controls' })
const selInput = createEl('input', {
type: 'text',
placeholder: t('placeholder_css_selector'),
})
const posSel = createEl('select')
buildPositionOptions(posSel)
const textInput = createEl('input', {
type: 'text',
placeholder: t('placeholder_button_content'),
})
textInput.value = t('insert_image_button_default')
const saveBtn = createEl('button', { text: t('btn_save_and_insert') })
saveBtn.addEventListener('click', () => {
addSiteBtnSetting({
selector: selInput.value,
position: posSel.value,
text: textInput.value,
})
selInput.value = ''
buildPositionOptions(posSel)
textInput.value = t('insert_image_button_default')
renderSettingsList()
document.querySelectorAll('.uiu-insert-btn').forEach((el) => el.remove())
applySiteButtons()
try {
restartSiteButtonObserver()
} catch {}
})
const removeBtn = createEl('button', { text: t('btn_remove_button_temp') })
removeBtn.addEventListener('click', () => {
document.querySelectorAll('.uiu-insert-btn').forEach((el) => el.remove())
try {
if (siteBtnObserver) siteBtnObserver.disconnect()
} catch {}
})
const clearBtn = createEl('button', { text: t('btn_clear_settings') })
clearBtn.addEventListener('click', () => {
setSiteBtnSettingsList([])
renderSettingsList()
document.querySelectorAll('.uiu-insert-btn').forEach((el) => el.remove())
try {
if (siteBtnObserver) siteBtnObserver.disconnect()
} catch {}
})
const settingsList = createEl('div', { class: 'uiu-settings-list' })
settings.appendChild(settingsList)
settingsForm.appendChild(selInput)
settingsForm.appendChild(posSel)
settingsForm.appendChild(textInput)
settingsForm.appendChild(saveBtn)
settingsForm.appendChild(removeBtn)
settingsForm.appendChild(clearBtn)
settings.appendChild(settingsForm)
settingsContainer.appendChild(settings)
// Custom Formats section (below Site Button Settings)
const formats = createEl('div', { class: 'uiu-formats' })
const formatsHeader = createEl('div', { class: 'uiu-controls' })
formatsHeader.appendChild(
createEl('span', { text: t('formats_section_title') })
)
formats.appendChild(formatsHeader)
// Column headers: Name | Format | Actions
const formatsColsHeader = createEl('div', {
class: 'uiu-formats-row uiu-formats-header',
})
formatsColsHeader.appendChild(
createEl('span', { class: 'uiu-fmt-name', text: t('formats_col_name') })
)
formatsColsHeader.appendChild(
createEl('span', {
class: 'uiu-fmt-template',
text: t('formats_col_template'),
})
)
formatsColsHeader.appendChild(
createEl('span', { class: 'uiu-ops', text: t('formats_col_ops') })
)
formats.appendChild(formatsColsHeader)
const formatsForm = createEl('div', { class: 'uiu-controls uiu-form-add' })
const fnameInput = createEl('input', {
type: 'text',
placeholder: t('placeholder_format_name'),
})
const ftemplateInput = createEl('input', {
type: 'text',
placeholder: t('placeholder_format_template'),
})
const addFmtBtn = createEl('button', { text: t('btn_add_format') })
addFmtBtn.addEventListener('click', () => {
const name = (fnameInput.value || '').trim()
const tplStr = String(ftemplateInput.value || '')
if (!name || !tplStr) return
upsertCustomFormat(name, tplStr)
fnameInput.value = ''
ftemplateInput.value = ''
renderFormatsList()
try {
buildFormatOptions(formatSel, getFormat())
} catch {}
})
// Wrap inputs with the same column containers as list rows for alignment
const addNameCol = createEl('span', { class: 'uiu-fmt-name' })
addNameCol.appendChild(fnameInput)
const addTplCol = createEl('span', { class: 'uiu-fmt-template' })
addTplCol.appendChild(ftemplateInput)
formatsForm.appendChild(addNameCol)
formatsForm.appendChild(addTplCol)
formatsForm.appendChild(addFmtBtn)
const formatsList = createEl('div', { class: 'uiu-formats-list' })
formats.appendChild(formatsList)
formats.appendChild(formatsForm)
// Example row: align under Format column using same grid
const formatsExampleRow = createEl('div', {
class: 'uiu-formats-row uiu-format-example-row',
})
formatsExampleRow.appendChild(
createEl('span', { class: 'uiu-fmt-name', text: '' })
)
formatsExampleRow.appendChild(
createEl('span', {
class: 'uiu-fmt-template',
text: t('example_format_template'),
})
)
formatsExampleRow.appendChild(
createEl('span', { class: 'uiu-ops', text: '' })
)
formats.appendChild(formatsExampleRow)
settingsContainer.appendChild(formats)
function renderFormatsList() {
formatsList.textContent = ''
const list = getCustomFormats()
list.forEach((cf) => {
const row = createEl('div', { class: 'uiu-formats-row' })
const nameEl = createEl('span', {
class: 'uiu-fmt-name',
text: cf.name,
})
const tplEl = createEl('span', {
class: 'uiu-fmt-template',
text: cf.template,
})
const editBtn = createEl('button', { text: t('btn_edit') })
editBtn.addEventListener('click', () => {
row.textContent = ''
row.classList.add('uiu-editing')
const colName = createEl('span', {
class: 'uiu-settings-item uiu-fmt-name',
})
const eName = createEl('input', { type: 'text' })
eName.value = cf.name
const colTpl = createEl('span', {
class: 'uiu-settings-item uiu-fmt-template',
})
const eTpl = createEl('input', { type: 'text' })
eTpl.value = cf.template
colName.appendChild(eName)
colTpl.appendChild(eTpl)
const ops = createEl('span', { class: 'uiu-ops' })
const updateBtn = createEl('button', { text: t('btn_update') })
updateBtn.addEventListener('click', () => {
const newName = (eName.value || '').trim()
const newTpl = String(eTpl.value || '')
if (!newName || !newTpl) return
if (newName !== cf.name) removeCustomFormat(cf.name)
upsertCustomFormat(newName, newTpl)
// Update current format selection if renamed
try {
if (getFormat() === cf.name) setFormat(newName)
} catch {}
renderFormatsList()
try {
buildFormatOptions(formatSel, getFormat())
} catch {}
})
const cancelBtn = createEl('button', { text: t('btn_cancel') })
cancelBtn.addEventListener('click', () => {
renderFormatsList()
})
ops.appendChild(updateBtn)
ops.appendChild(cancelBtn)
row.appendChild(colName)
row.appendChild(colTpl)
row.appendChild(ops)
})
const delBtn = createEl('button', { text: t('btn_delete') })
delBtn.addEventListener('click', () => {
removeCustomFormat(cf.name)
// Reset site format if current selection removed
try {
if (getFormat() === cf.name) setFormat(DEFAULT_FORMAT)
} catch {}
renderFormatsList()
try {
buildFormatOptions(formatSel, getFormat())
} catch {}
})
const ops = createEl('span', { class: 'uiu-ops' })
ops.appendChild(editBtn)
ops.appendChild(delBtn)
row.appendChild(nameEl)
row.appendChild(tplEl)
row.appendChild(ops)
formatsList.appendChild(row)
})
}
function renderSettingsList() {
// Avoid Trusted Types violation: clear without using innerHTML
settingsList.textContent = ''
const listData = getSiteBtnSettingsList()
listData.forEach((cfg, idx) => {
const row = createEl('div', { class: 'uiu-settings-row' })
const info = createEl('span', {
class: 'uiu-settings-item',
text: `${cfg.selector} [${cfg.position || DEFAULT_BUTTON_POSITION}] - ${cfg.text || t('insert_image_button_default')}`,
})
const editBtn = createEl('button', { text: t('btn_edit') })
editBtn.addEventListener('click', () => {
// Avoid Trusted Types violation: clear without using innerHTML
row.textContent = ''
row.classList.add('uiu-editing')
const fields = createEl('span', { class: 'uiu-settings-item' })
const eSel = createEl('input', { type: 'text' })
eSel.value = cfg.selector || ''
const ePos = createEl('select')
buildPositionOptions(ePos, cfg.position)
const eText = createEl('input', { type: 'text' })
eText.value = cfg.text || t('insert_image_button_default')
fields.appendChild(eSel)
fields.appendChild(ePos)
fields.appendChild(eText)
const ops = createEl('span', { class: 'uiu-ops' })
const updateBtn = createEl('button', { text: t('btn_update') })
updateBtn.addEventListener('click', () => {
updateSiteBtnSetting(idx, {
selector: eSel.value,
position: ePos.value,
text: eText.value,
})
renderSettingsList()
document
.querySelectorAll('.uiu-insert-btn')
.forEach((el) => el.remove())
applySiteButtons()
try {
restartSiteButtonObserver()
} catch {}
})
const cancelBtn = createEl('button', { text: t('btn_cancel') })
cancelBtn.addEventListener('click', () => {
renderSettingsList()
})
ops.appendChild(updateBtn)
ops.appendChild(cancelBtn)
row.appendChild(fields)
row.appendChild(ops)
})
const delBtn = createEl('button', { text: t('btn_delete') })
delBtn.addEventListener('click', () => {
removeSiteBtnSetting(idx)
renderSettingsList()
document
.querySelectorAll('.uiu-insert-btn')
.forEach((el) => el.remove())
applySiteButtons()
try {
restartSiteButtonObserver()
} catch {}
})
row.appendChild(info)
const ops = createEl('span', { class: 'uiu-ops' })
ops.appendChild(editBtn)
ops.appendChild(delBtn)
row.appendChild(ops)
settingsList.appendChild(row)
})
}
function refreshSettingsUI() {
selInput.value = ''
buildPositionOptions(posSel)
textInput.value = t('insert_image_button_default')
renderSettingsList()
try {
fnameInput.value = ''
ftemplateInput.value = ''
renderFormatsList()
} catch {}
}
// Render into Shadow DOM root
root.appendChild(header)
root.appendChild(body)
document.body.appendChild(panel)
// initialize pressed state
try {
toggleHistoryBtn.setAttribute('aria-pressed', 'false')
settingsBtn.setAttribute('aria-pressed', 'false')
} catch {}
panel.style.display = 'none'
function applySingle(cfg) {
if (!cfg?.selector) return
let targets
try {
targets = document.querySelectorAll(cfg.selector)
} catch (e) {
return
}
if (!targets || !targets.length) return
const posRaw = (cfg.position || '').trim()
const pos =
posRaw === 'before'
? 'before'
: posRaw === 'inside'
? 'inside'
: 'after'
const content = (cfg.text || t('insert_image_button_default')).trim()
Array.from(targets).forEach((target) => {
const exists =
pos === 'inside'
? !!target.querySelector('.uiu-insert-btn')
: pos === 'before'
? !!(
target.previousElementSibling &&
target.previousElementSibling.classList?.contains(
'uiu-insert-btn'
)
)
: !!(
target.nextElementSibling &&
target.nextElementSibling.classList?.contains(
'uiu-insert-btn'
)
)
if (exists) return
let btn
try {
// Parse HTML without using innerHTML to comply with Trusted Types
const range = document.createRange()
const ctx = document.createElement('div')
range.selectNodeContents(ctx)
const frag = range.createContextualFragment(content)
if (frag && frag.childElementCount === 1) {
btn = frag.firstElementChild
}
} catch {}
if (!btn) {
btn = createEl('button', {
class: 'uiu-insert-btn uiu-default',
text: content,
})
} else {
btn.classList.add('uiu-insert-btn')
}
btn.addEventListener('click', (event) => {
panel.style.display = 'block'
event.preventDefault()
try {
openFilePicker()
} catch {}
})
if (pos === 'before') {
target.insertAdjacentElement('beforebegin', btn)
} else if (pos === 'inside') {
target.insertAdjacentElement('beforeend', btn)
} else {
target.insertAdjacentElement('afterend', btn)
}
})
}
function applySiteButtons() {
const list = getSiteBtnSettingsList()
list.forEach((cfg) => {
try {
applySingle(cfg)
} catch {}
})
}
applySiteButtons()
let siteBtnObserver
function restartSiteButtonObserver() {
try {
if (siteBtnObserver) siteBtnObserver.disconnect()
} catch {}
const list = getSiteBtnSettingsList()
if (!list.length) {
siteBtnObserver = null
return
}
const checkAndInsertAll = () => {
list.forEach((cfg) => {
try {
applySingle(cfg)
} catch {}
})
}
checkAndInsertAll()
siteBtnObserver = new MutationObserver(() => checkAndInsertAll())
siteBtnObserver.observe(document.body || document.documentElement, {
childList: true,
subtree: true,
})
}
restartSiteButtonObserver()
const drop = createEl('div', { id: 'uiu-drop', text: t('drop_overlay') })
document.body.appendChild(drop)
const queue = []
let running = 0
let done = 0
let total = 0
const CONCURRENCY = 3
function updateProgress() {
progressEl.textContent = tpl(t('progress_done'), { done, total })
}
function addLog(text) {
list.prepend(createEl('div', { class: 'item', text }))
}
async function processQueue() {
while (running < CONCURRENCY && queue.length) {
const item = queue.shift()
running++
addLog(`${t('log_uploading')}${item.file.name}`)
try {
const link = await uploadImage(item.file)
const fmt = getFormat()
const out = formatText(
applyProxy(link, getHost()),
item.file.name,
fmt
)
copyAndInsert(out)
addToHistory({
link,
name: item.file.name,
ts: Date.now(),
pageUrl: location.href,
provider: getHost(),
})
addLog(`${t('log_success')}${item.file.name} → ${link}`)
} catch (e) {
addLog(`${t('log_failed')}${item.file.name}（${e?.message || e}）`)
} finally {
running--
done++
updateProgress()
}
}
}
function handleFiles(files) {
const imgs = files.filter((f) => f.type.includes('image'))
if (!imgs.length) return
total += imgs.length
updateProgress()
imgs.forEach((file) => queue.push({ file }))
processQueue()
}
document.addEventListener(
'paste',
(event) => {
const items = event.clipboardData?.items
if (!items) return
const imageItem = Array.from(items).find((i) =>
i.type.includes('image')
)
const file = imageItem?.getAsFile()
if (file) handleFiles([file])
},
true
)
document.addEventListener('dragover', (e) => {
const dt = e.dataTransfer
const types = dt?.types ? Array.from(dt.types) : []
const hasFileType =
types.includes('Files') || dt?.types?.contains?.('Files')
const hasFileItem = dt?.items
? Array.from(dt.items).some((it) => it.kind === 'file')
: false
if (hasFileType || hasFileItem) {
drop.classList.add('show')
e.preventDefault()
} else {
drop.classList.remove('show')
}
})
document.addEventListener('dragleave', () => drop.classList.remove('show'))
document.addEventListener('drop', (event) => {
drop.classList.remove('show')
event.preventDefault()
const files = event.dataTransfer?.files
if (files?.length) handleFiles(Array.from(files))
})
function renderHistory() {
// Avoid Trusted Types violation: clear without using innerHTML
history.textContent = ''
const header = createEl('div', { class: 'uiu-controls' })
header.appendChild(
createEl('span', {
text: tpl(t('btn_history_count'), { count: loadHistory().length }),
})
)
const clearBtn = createEl('button', { text: t('btn_clear_history') })
clearBtn.addEventListener('click', () => {
saveHistory([])
renderHistory()
})
header.appendChild(clearBtn)
history.appendChild(header)
const listWrap = createEl('div', { class: 'uiu-list' })
const items = loadHistory()
items.forEach((it) => {
const row = createEl('div', { class: 'uiu-row' })
const preview = createEl('img', {
src: applyProxy(
it.link,
it.provider || (isImgurUrl(it.link) ? 'imgur' : 'other')
),
style:
'width:48px;height:48px;object-fit:cover;border-radius:4px;border:1px solid #334155;',
})
row.appendChild(preview)
const info = createEl('div', {
style:
'flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;padding:0 8px;',
})
info.appendChild(
createEl('span', {
class: 'uiu-name',
text: it.name || it.link,
title: it.name || it.link,
})
)
try {
const providerKey = it.provider || 'imgur'
const providerText = t('host_' + providerKey)
info.appendChild(
createEl('span', {
text: providerText,
style:
'font-size:11px;color:#cbd5e1;border:1px solid #334155;border-radius:4px;padding:1px 6px;width:fit-content;',
})
)
} catch {}
if (it.pageUrl) {
let host = it.pageUrl
try {
host = new URL(it.pageUrl).hostname
} catch {}
const pageLink = createEl('a', {
href: it.pageUrl,
text: tpl(t('history_upload_page'), { host }),
target: '_blank',
rel: 'noopener noreferrer',
style: 'color:#93c5fd;text-decoration:none;font-size:11px;',
})
info.appendChild(pageLink)
}
row.appendChild(info)
const ops = createEl('div', { class: 'uiu-ops' })
const copyBtn = createEl('button', { text: t('btn_copy') })
copyBtn.addEventListener('click', () => {
const fmt = getFormat()
const proxied = applyProxy(
it.link,
it.provider || (isImgurUrl(it.link) ? 'imgur' : 'other')
)
const out = formatText(
proxied,
it.name || t('default_image_name'),
fmt
)
copyAndInsert(out)
})
const openBtn = createEl('button', { text: t('btn_open') })
openBtn.addEventListener('click', () => {
const url = applyProxy(
it.link,
it.provider || (isImgurUrl(it.link) ? 'imgur' : 'other')
)
window.open(url, '_blank')
})
ops.appendChild(copyBtn)
ops.appendChild(openBtn)
row.appendChild(ops)
listWrap.appendChild(row)
})
history.appendChild(listWrap)
}
try {
if (typeof GM_addValueChangeListener === 'function') {
GM_addValueChangeListener(
HISTORY_KEY,
function (name, oldValue, newValue, remote) {
renderHistory()
}
)
}
} catch {}
GM_registerMenuCommand(t('menu_open_panel'), () => {
panel.style.display = 'block'
try {
toggleHistoryBtn.setAttribute(
'aria-pressed',
header.classList.contains('uiu-show-history') ? 'true' : 'false'
)
settingsBtn.setAttribute(
'aria-pressed',
header.classList.contains('uiu-show-settings') ? 'true' : 'false'
)
} catch {}
})
GM_registerMenuCommand(t('menu_select_images'), () => {
panel.style.display = 'block'
openFilePicker()
})
GM_registerMenuCommand(t('menu_settings'), () => {
panel.style.display = 'block'
header.classList.add('uiu-show-settings')
try {
refreshSettingsUI()
} catch {}
try {
settingsBtn.setAttribute('aria-pressed', 'true')
toggleHistoryBtn.setAttribute(
'aria-pressed',
header.classList.contains('uiu-show-history') ? 'true' : 'false'
)
} catch {}
})
return { handleFiles }
}
if (!document.getElementById('uiu-panel')) {
const { handleFiles } = createPanel()
window.addEventListener('iu:uploadFiles', (e) => {
const files = e.detail?.files
if (files?.length) handleFiles(files)
})
}
})()
