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refactor: implement sheetImgType in abstract class

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Xmader 2020-11-24 02:31:31 -05:00
parent 120d57b0e0
commit aafb71fc4b
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1 changed files with 8 additions and 16 deletions
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24
src/scoreinfo.ts
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@ -9,7 +9,6 @@ export abstract class ScoreInfo {
abstract pageCount: number;
abstract thumbnailUrl: string;
abstract sheetImgType: 'svg' | 'png'
get idLastDigit (): number {
return (+this.id) % RADIX
@ -26,6 +25,12 @@ export abstract class ScoreInfo {
get msczCidUrl (): string {
return `https://ipfs.infura.io:5001/api/v0/block/stat?arg=${this.msczIpfsRef}`
}
get sheetImgType (): 'svg' | 'png' {
const thumbnail = this.thumbnailUrl
const imgtype = thumbnail.match(/\.(\w+)$/)![1]
return imgtype as 'svg' | 'png'
}
}
export class ScoreInfoInPage extends ScoreInfo {
@ -48,23 +53,10 @@ export class ScoreInfoInPage extends ScoreInfo {
get thumbnailUrl (): string {
// url to the image of the first page
const el = this.document.querySelector("meta[property='og:image']") as HTMLMetaElement
const url = el.content
const el = this.document.querySelector('link[as=image]') as HTMLLinkElement
const url = el.href
return url.split('@')[0]
}
get sheetImgType (): 'svg' | 'png' {
try {
const imgE = this.document.querySelector('img[src*=score_]') as HTMLImageElement
const { pathname } = new URL(imgE.src)
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
const imgtype = pathname.match(/\.(\w+)$/)![1]
return imgtype as 'svg' | 'png'
} catch (_) {
// return null
return 'svg'
}
}
}
export const scoreinfo = new ScoreInfoInPage(document)