22 lines
812 B
TypeScript
22 lines
812 B
TypeScript
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/* eslint-disable eslint-comments/disable-enable-pair */
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/* eslint-disable @typescript-eslint/no-unsafe-call */
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/* eslint-disable @typescript-eslint/no-unsafe-assignment */
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export const checkTokenUri = async (tokenUri: string) => {
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const file = await fetch(tokenUri.replace('ipfs://', 'https://ipfs.io/ipfs/'))
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.then((res) =>
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res.json().catch((err: any) => {
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throw Error(`Metadata file could not be parsed. Please check that it is valid JSON.`)
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}),
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)
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.catch((err: any) => {
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throw Error(`Unable to fetch metadata from ${tokenUri}`)
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})
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if (!file.image) {
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throw Error('Token URI must contain an image URL.')
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}
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if (file.image && !file.image.startsWith('ipfs://')) {
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throw Error('Metadata file: The corresponding value for image must be an IPFS URL.')
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}
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}
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