fast-xml-parser

Validate XML, Parse XML, Build XML without C/C++ based libraries
v5.2.5 URL: https://unpkg.com/fast-xml-parser@5.2.5/lib/fxp.cjs
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fastxmljsonparserxml2jsx2jsxml2jsonjsvalidatorvalidatetransformerassertjs2xmljson2xmlhtml

jose

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
v6.0.13 URL: https://unpkg.com/jose@6.0.13/dist/webapi/index.js
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browserbuncloudflarecompactdecodedecryptdenodetachedececdsaed25519eddsaedgeelectronembeddedencryptflattenedgeneraljosejson web tokenjsonwebtokenjwajwejwkjwksjwsjwtjwt-decodenetlifynextnextjsoctokppayloadpempkcs8rsasignsignaturespkivalidatevercelverifywebcryptoworkerdworkersx509

ts-interface-checker

Runtime library to validate data against TypeScript interfaces
v1.0.2 URL: https://unpkg.com/ts-interface-checker@1.0.2/dist/index.js
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typescripttsinterfacetypevalidatevalidatorcheck

superstruct

A simple and composable way to validate data in JavaScript (and TypeScript).
v2.0.2 URL: https://unpkg.com/superstruct@2.0.2/dist/index.cjs
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apiarrayassertcastcheckcheckercollectiondataerrorexpresshapiinterfaceinvalidjoijsonlistmodelobjectormscalarschemastructthrowtypetypesvalidvalidatevalidationvalidator

@metamask/superstruct

A simple and composable way to validate data in JavaScript (and TypeScript).
v3.2.1 URL: https://unpkg.com/@metamask/superstruct@3.2.1/dist/index.cjs
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apiarrayassertcastcheckcheckercollectiondataerrorexpresshapiinterfaceinvalidjoijsonlistmodelobjectormscalarschemastructthrowtypetypesvalidvalidatevalidationvalidator