Pixiv easy save image

Save pixiv image with custom name format

目前為 2018-07-01 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Pixiv easy save image
// @namespace    https://blog.maple3142.net/
// @version      0.2
// @description  Save pixiv image with custom name format
// @author       maple3142
// @match        https://www.pixiv.net/member_illust.php?mode=medium&illust_id=*
// @include      /^https:\/\/www\.pixiv\.net/.*$/
// @match        https://www.pixiv.net/bookmark.php*
// @match        https://www.pixiv.net/new_illust.php*
// @match        https://www.pixiv.net/bookmark_new_illust.php*
// @connect      pximg.net
// @grant        unsafeWindow
// @grant        GM_xmlhttpRequest
// ==/UserScript==

;(function() {
	'use strict'
	const FILENAME_TEMPLATE = '{{title}}-{{userName}}-{{id}}'
	const KEYCODE_TO_SAVE = 83 // 's' key

	const $ = s => document.querySelector(s)
	const $$ = s => [...document.querySelectorAll(s)]
	const elementmerge = (a, b) => {
		Object.keys(b).forEach(k => {
			if (typeof b[k] === 'object') elementmerge(a[k], b[k])
			else if (k in a) a[k] = b[k]
			else a.setAttribute(k, b[k])
		})
	}
	const $el = (s, o) => {
		const el = document.createElement(s)
		elementmerge(el, o)
		return el
	}
	const debounce = delay => fn => {
		let de = false
		return (...args) => {
			if (de) return
			de = true
			fn(...args)
			setTimeout(() => (de = false), delay)
		}
	}
	const download = (url, fname) => {
		const a = $el('a', { href: url, download: fname || true })
		document.body.appendChild(a)
		a.click()
		document.body.removeChild(a)
	}
	const gmxhr = o => new Promise((res, rej) => GM_xmlhttpRequest({ ...o, onload: res, onerror: rej }))

	const getIllustData = id =>
		fetch(`/ajax/illust/${id}`, { credentials: 'same-origin' })
			.then(r => r.json())
			.then(r => r.body)
	const saveImage = (format, id) => {
		getIllustData(id)
			.then(data => {
				const fname = format.replace(/{{(\w+?)}}/g, (m, g1) => data[g1])
				const url = data.urls.original
				const ext = url
					.split('/')
					.pop()
					.split('.')
					.pop()
				return Promise.all([
					fname + '.' + ext,
					gmxhr({ method: 'GET', url, responseType: 'blob', headers: { Referer: 'https://www.pixiv.net/' } })
				])
			})
			.then(([f, xhr]) => {
				const url = URL.createObjectURL(xhr.response)
				download(url, f)
				URL.revokeObjectURL(xhr.response)
			})
	}

	if (location.pathname === '/member_illust.php') {
		//ajax change
		let lasturl
		setInterval(() => {
			if (location.href == lasturl) return
			lasturl = location.href
			main()
		}, 1000)

		function main() {
			const params = new URLSearchParams(location.search)
			const observer = new MutationObserver(
				debounce(10)(mut => {
					const menu = $('ul[role=menu]')
					if (!menu) return
					const n = menu.children.length
					const item = $el('li', {
						role: 'menuitem',
						onclick: () => saveImage(FILENAME_TEMPLATE, params.get('illust_id'))
					})
					item.className = menu.children[n - 2].className
					const text = $el('span', { textContent: '⬇' })
					item.appendChild(text)
					menu.insertBefore(item, menu.children[n - 1])
				})
			)
			const start = () => {
				const el = $('.sticky')
				if (!el) setTimeout(start, 1000)
				else observer.observe($('.sticky'), { childList: true, subtree: true })
			}
			start()
		}
	} else if (
		['/', '/bookmark.php', '/new_illust.php', '/bookmark_new_illust.php'].some(x => x === location.pathname)
	) {
		const IMG_SELECTOR =
			location.pathname === '/bookmark_new_illust.php' ? '.gtm-recommend-illust.gtm-thumbnail-link' : 'a.work'
		const mouse = { x: 0, y: 0 }
		const isInRect = pos => rect =>
			pos.x >= rect.x && pos.x <= rect.x + rect.width && pos.y >= rect.y && pos.y <= rect.y + rect.height
		const isMouseInRect = isInRect(mouse)
		addEventListener('mousemove', e => {
			mouse.x = e.x
			mouse.y = e.y
		})
		addEventListener('keydown', e => {
			if (e.which !== KEYCODE_TO_SAVE) return // 's' key
			const el = $$(IMG_SELECTOR).filter(x => isMouseInRect(x.getBoundingClientRect()))[0]
			if (!el) return
			const id = /\d+/.exec(el.href)[0]
			saveImage(FILENAME_TEMPLATE, id)
		})
	}
})()