41 lines
1 KiB
TypeScript
41 lines
1 KiB
TypeScript
import ImageProvider, { ProvidedImage } from "./ImageProvider"
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export default class GenericImageProvider extends ImageProvider {
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public defaultKeyPrefixes: string[] = ["image"]
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private readonly _valuePrefixBlacklist: string[]
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public constructor(valuePrefixBlacklist: string[]) {
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super()
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this._valuePrefixBlacklist = valuePrefixBlacklist
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}
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async ExtractUrls(key: string, value: string): Promise<Promise<ProvidedImage>[]> {
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if (this._valuePrefixBlacklist.some((prefix) => value.startsWith(prefix))) {
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return []
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}
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try {
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new URL(value)
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} catch (_) {
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// Not a valid URL
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return []
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}
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return [
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Promise.resolve({
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key: key,
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url: value,
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provider: this,
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}),
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]
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}
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SourceIcon(backlinkSource?: string) {
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return undefined
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}
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public DownloadAttribution(url: string) {
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return undefined
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}
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}
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