147 lines
4.2 KiB
TypeScript
147 lines
4.2 KiB
TypeScript
import "./meta"
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import { ScorePlayerData } from "./types"
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import { waitForDocumentLoaded } from "./utils"
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import { PDFWorkerHelper } from "./worker-helper"
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import FileSaver from "file-saver/dist/FileSaver.js"
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const saveAs: typeof import("file-saver").saveAs = FileSaver.saveAs
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let pdfBlob: Blob
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const generatePDF = async (imgURLs: string[], imgType: "svg" | "png", name?: string) => {
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if (pdfBlob) {
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return saveAs(pdfBlob, `${name}.pdf`)
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}
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const cachedImg = document.querySelector("img[src*=score_]") as HTMLImageElement
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const { naturalWidth: width, naturalHeight: height } = cachedImg
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const worker = new PDFWorkerHelper()
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const pdfArrayBuffer = await worker.generatePDF(imgURLs, imgType, width, height)
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worker.terminate()
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pdfBlob = new Blob([pdfArrayBuffer])
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saveAs(pdfBlob, `${name}.pdf`)
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}
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const getPagesNumber = (scorePlayerData: ScorePlayerData) => {
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try {
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return scorePlayerData.json.metadata.pages
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} catch (_) {
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return document.querySelectorAll("img[src*=score_]").length
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}
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}
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const getImgType = (): "svg" | "png" => {
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try {
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const imgE: HTMLImageElement = document.querySelector("img[src*=score_]")
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const { pathname } = new URL(imgE.src)
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const imgtype = pathname.match(/\.(\w+)$/)[1]
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return imgtype as "svg" | "png"
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} catch (_) {
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return null
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}
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}
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const getTitle = (scorePlayerData: ScorePlayerData) => {
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try {
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return scorePlayerData.json.metadata.title
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} catch (_) {
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return ""
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}
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}
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const getScoreFileName = (scorePlayerData: ScorePlayerData) => {
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return getTitle(scorePlayerData).replace(/[\s<>:{}"/\\|?*~.\0\cA-\cZ]+/g, "_")
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}
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const main = () => {
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// @ts-ignore
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if (!window.UGAPP || !window.UGAPP.store || !window.UGAPP.store.jmuse_settings) { return }
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// @ts-ignore
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const scorePlayer: ScorePlayerData = window.UGAPP.store.jmuse_settings.score_player
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const { id } = scorePlayer.json
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const baseURL = scorePlayer.urls.image_path
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// const msczURL = `https://musescore.com/static/musescore/scoredata/score/${getIndexPath(id)}/${id}/score_${vid}_${scoreHexId}.mscz`
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// https://github.com/Xmader/cloudflare-worker-musescore-mscz
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const msczURL = `https://musescore-mscz.99.workers.dev/${id}`
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const mxlURL = baseURL + "score.mxl"
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const { midi: midiURL, mp3: mp3URL } = scorePlayer.urls
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const btnsDiv = document.querySelector(".score-right .buttons-wrapper") || document.querySelectorAll("aside section > div")[4]
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const downloadBtn = btnsDiv.querySelector("button, .button") as HTMLElement
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downloadBtn.onclick = null
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const imgType = getImgType() || "svg"
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const sheetImgURLs = Array.from({ length: getPagesNumber(scorePlayer) }).fill(null).map((_, i) => {
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return baseURL + `score_${i}.${imgType}`
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})
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const downloadURLs = {
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"MSCZ": msczURL,
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"PDF": null,
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"MusicXML": mxlURL,
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"MIDI": midiURL,
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"MP3": mp3URL,
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}
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const createBtn = (name: string) => {
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const btn = downloadBtn.cloneNode(true) as HTMLElement
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if (btn.nodeName.toLowerCase() == "button") {
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btn.setAttribute("style", "width: 205px !important")
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} else {
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btn.dataset.target = ""
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}
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const textNode = [...btn.childNodes].find((x) => {
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return x.textContent.includes("Download")
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})
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textNode.textContent = `Download ${name}`
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return {
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btn,
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textNode,
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}
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}
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const newDownloadBtns = Object.keys(downloadURLs).map((name) => {
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const url = downloadURLs[name]
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const { btn, textNode } = createBtn(name)
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if (name !== "PDF") {
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btn.onclick = () => {
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window.open(url)
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}
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} else {
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btn.onclick = () => {
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const text = textNode.textContent
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const filename = getScoreFileName(scorePlayer)
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textNode.textContent = "Processing…"
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generatePDF(sheetImgURLs, imgType, filename).then(() => {
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textNode.textContent = text
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})
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}
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}
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return btn
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})
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downloadBtn.replaceWith(...newDownloadBtns)
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}
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waitForDocumentLoaded().then(main)
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