file-type

Detect the file type of a file, stream, or data

v19.6.0 URL: https://unpkg.com/file-type@19.6.0/index.js

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mime file type magic archive image img pic picture flash photo video detect check is exif elf macho exe binary buffer uint8array jpg png apng gif webp flif xcf cr2 cr3 orf arw dng nef rw2 raf tif bmp icns jxr psd indd zip tar rar gz bz2 7z dmg mp4 mid mkv webm mov avi mpg mp2 mp3 m4a ogg opus flac wav amr pdf epub mobi swf rtf woff woff2 eot ttf otf ico flv ps xz sqlite xpi cab deb ar rpm Z lz cfb mxf mts wasm webassembly blend bpg docx pptx xlsx 3gp j2c jp2 jpm jpx mj2 aif odt ods odp xml heic ics glb pcap dsf lnk alias voc ac3 3g2 m4b m4p m4v f4a f4b f4p f4v mie qcp asf ogv ogm oga spx ogx ape wv cur nes crx ktx dcm mpc arrow shp aac mp1 it s3m xm ai skp avif eps lzh pgp asar stl chm 3mf zst jxl vcf jls pst dwg parquet class arj cpio ace avro icc fbx vsdx vtt apk

is-data-descriptor

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

v2.1.3 URL: https://unpkg.com/is-data-descriptor@2.1.3/index.js

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accessor check data descriptor get getter is keys object properties property set setter type valid value

is-accessor-descriptor

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

v3.0.5 URL: https://unpkg.com/is-accessor-descriptor@3.0.5/index.js

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accessor check data descriptor get getter is keys object properties property set setter type valid value

is-descriptor

Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

v3.1.1 URL: https://unpkg.com/is-descriptor@3.1.1/index.js

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accessor check data descriptor get getter is keys object properties property set setter type valid value

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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api array assert cast check checker collection data error express hapi interface invalid joi json list model object orm scalar schema struct throw type types valid validate validation validator