2020-05-17 22:57:28 +00:00
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import './meta'
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2019-11-03 19:13:06 +00:00
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2020-05-18 22:44:45 +00:00
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import { waitForDocumentLoaded, saveAs } from './utils'
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import { downloadPDF } from './pdf'
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import { fetchMscz, downloadMscz } from './mscz'
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2020-05-17 22:57:28 +00:00
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import * as recaptcha from './recaptcha'
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2020-05-18 22:44:45 +00:00
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import scoreinfo from './scoreinfo'
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2019-12-01 09:11:40 +00:00
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2020-05-17 22:57:28 +00:00
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const PROCESSING_TEXT = 'Processing…'
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const FAILED_TEXT = '❌Download Failed!'
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const WEBMSCORE_URL = 'https://cdn.jsdelivr.net/npm/webmscore@0.5/webmscore.js'
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2020-05-13 10:29:11 +00:00
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2020-05-17 22:57:28 +00:00
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const main = (): void => {
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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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2019-11-03 19:13:06 +00:00
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2020-05-17 22:57:28 +00:00
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// init recaptcha
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// eslint-disable-next-line @typescript-eslint/no-floating-promises
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recaptcha.init()
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2019-12-01 05:13:14 +00:00
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2020-05-17 22:57:28 +00:00
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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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2019-11-29 23:07:43 +00:00
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2020-05-17 22:57:28 +00:00
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// fix the icon of the download btn
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// if the `downloadBtn` seleted was a `Print` btn, replace the `print` icon with the `download` icon
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2020-05-18 20:33:15 +00:00
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const svgPath: SVGPathElement | null = downloadBtn.querySelector('svg > path')
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2020-05-17 22:57:28 +00:00
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if (svgPath) {
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svgPath.setAttribute('d', 'M9.6 2.4h4.8V12h2.784l-5.18 5.18L6.823 12H9.6V2.4zM19.2 19.2H4.8v2.4h14.4v-2.4z')
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}
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2019-11-29 23:07:43 +00:00
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2020-05-17 22:57:28 +00:00
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const downloadURLs = {
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MSCZ: null,
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PDF: null,
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2020-05-18 22:44:45 +00:00
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MusicXML: scoreinfo.mxlUrl,
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MIDI: scoreinfo.midiUrl,
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MP3: scoreinfo.mp3Url,
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2020-05-17 22:57:28 +00:00
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Parts: null,
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}
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2020-03-29 21:31:33 +00:00
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2020-05-17 22:57:28 +00:00
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// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
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const createBtn = (name: string) => {
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const btn: HTMLButtonElement = downloadBtn.cloneNode(true) as any
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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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2019-12-01 23:30:38 +00:00
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2020-05-17 22:57:28 +00:00
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const textNode = [...btn.childNodes].find((x) => {
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2020-05-18 20:33:15 +00:00
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const txt = x.textContent as string
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return txt.includes('Download') || txt.includes('Print')
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}) as Node
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2020-05-17 22:57:28 +00:00
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textNode.textContent = `Download ${name}`
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2019-12-01 09:38:26 +00:00
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2020-05-17 22:57:28 +00:00
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return {
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btn,
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textNode,
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2019-11-03 20:21:59 +00:00
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}
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2020-05-17 22:57:28 +00:00
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}
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2019-11-03 20:12:15 +00:00
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2020-05-17 22:57:28 +00:00
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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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2020-05-17 22:57:28 +00:00
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if (name === 'PDF') {
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btn.onclick = async (): Promise<void> => {
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textNode.textContent = PROCESSING_TEXT
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2019-12-01 07:10:51 +00:00
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2020-05-17 22:57:28 +00:00
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try {
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await downloadPDF()
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2020-05-17 22:57:28 +00:00
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textNode.textContent = 'Download PDF'
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} catch (err) {
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textNode.textContent = FAILED_TEXT
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console.error(err)
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2019-12-01 07:10:51 +00:00
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}
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2020-05-17 22:57:28 +00:00
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}
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} else if (name === 'MSCZ') {
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btn.onclick = async (): Promise<void> => {
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textNode.textContent = PROCESSING_TEXT
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try {
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await downloadMscz()
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2020-05-17 22:57:28 +00:00
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textNode.textContent = 'Download MSCZ'
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} catch (err) {
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textNode.textContent = FAILED_TEXT
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console.error(err)
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}
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}
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} else if (name === 'Parts') { // download individual parts
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btn.title = 'Download individual parts (BETA)'
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const cb = btn.onclick = async (): Promise<void> => {
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btn.onclick = null
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textNode.textContent = PROCESSING_TEXT
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2020-05-18 20:33:15 +00:00
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const w = window.open('') as Window
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2020-05-17 22:57:28 +00:00
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const txt = document.createTextNode(PROCESSING_TEXT)
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w.document.body.append(txt)
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// set page hooks
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// eslint-disable-next-line prefer-const
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let score: any
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const destroy = (): void => {
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score.destroy()
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w.close()
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}
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window.addEventListener('unload', destroy)
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w.addEventListener('beforeunload', () => {
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score.destroy()
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window.removeEventListener('unload', destroy)
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textNode.textContent = 'Download Parts'
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btn.onclick = cb
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})
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2019-12-01 07:10:51 +00:00
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2020-05-17 22:57:28 +00:00
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// load webmscore (https://github.com/LibreScore/webmscore)
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const script = w.document.createElement('script')
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script.src = WEBMSCORE_URL
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w.document.body.append(script)
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await new Promise(resolve => { script.onload = resolve })
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// parse mscz data
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const data = new Uint8Array(
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2020-05-18 22:44:45 +00:00
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new Uint8Array(await fetchMscz()) // copy its ArrayBuffer
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2020-05-17 22:57:28 +00:00
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)
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score = await w['WebMscore'].load('mscz', data)
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await score.generateExcerpts()
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const metadata = await score.metadata()
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console.log('score metadata loaded by webmscore', metadata)
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// render the part selection page
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txt.remove()
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const fieldset = w.document.createElement('fieldset')
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for (const excerpt of metadata.excerpts) {
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const e = w.document.createElement('input')
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e.name = 'score-part'
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e.type = 'radio'
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e.value = excerpt.id
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const label = w.document.createElement('label')
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label.innerText = excerpt.title
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const br = w.document.createElement('br')
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fieldset.append(e, label, br)
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2019-12-01 07:10:51 +00:00
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}
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2020-05-17 22:57:28 +00:00
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const submitBtn = w.document.createElement('input')
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submitBtn.type = 'submit'
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submitBtn.value = 'Download PDF'
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fieldset.append(submitBtn)
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w.document.body.append(fieldset)
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2019-11-29 23:07:43 +00:00
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2020-05-17 22:57:28 +00:00
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submitBtn.onclick = async (): Promise<void> => {
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2020-05-18 20:33:15 +00:00
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const checked = fieldset.querySelector('input:checked') as HTMLInputElement
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2020-05-17 22:57:28 +00:00
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const id = checked.value
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await score.setExcerptId(id)
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2020-05-18 22:44:45 +00:00
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const filename = scoreinfo.fileName
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2020-05-17 22:57:28 +00:00
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const data = new Blob([await score.savePdf()])
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saveAs(data, `${filename}-part-${id}.pdf`)
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}
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}
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} else {
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btn.onclick = (): void => {
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window.open(url)
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}
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}
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2019-11-03 20:01:29 +00:00
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2020-05-17 22:57:28 +00:00
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return btn
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})
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2019-11-29 23:07:43 +00:00
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2020-05-17 22:57:28 +00:00
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downloadBtn.replaceWith(...newDownloadBtns)
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2019-11-29 23:07:43 +00:00
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}
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2019-11-03 19:13:06 +00:00
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2020-05-17 22:57:28 +00:00
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// eslint-disable-next-line @typescript-eslint/no-floating-promises
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2019-11-29 23:07:43 +00:00
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waitForDocumentLoaded().then(main)
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