feat: add hasCode to Digest #308
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To give a hint to tsc that a `MultihashDigest` has a specific code, add a disambiguator `hasCode` function. This lets us define functions that require a certain multihash code with type saftey.
achingbrain
commented
Sep 13, 2024
| import * as Digest from './digest.js' | ||
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| const code = 0x0 | ||
| const code: 0x0 = 0x0 |
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This is necessary otherwise the type of code is derived as number and not 0 which means digestHasCode(hash, identity.code) hints that the type of hash is MultihashDigest<number> when we want it to be MultihashDigest<0x0>.
digestHasCode(hash, 0x0) works without this change but it'd be nice to be able to reuse identity.code.
rvagg
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Sep 16, 2024
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## [13.3.0](v13.2.4...v13.3.0) (2024-09-16) ### Features * add hasCode to Digest ([#308](#308)) ([a5fbf61](a5fbf61))
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🎉 This PR is included in version 13.3.0 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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To give a hint to tsc that a
MultihashDigesthas a specific code, add a disambiguatorhasCodefunction.This lets us define functions that require a certain multihash code with type saftey.