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Minimal cross-environment fingerprinting TypeScript library

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Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
docs		docs
scripts		scripts
src		src
.editorconfig		.editorconfig
.gitignore		.gitignore
.release-it.json		.release-it.json
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
biome.json		biome.json
bun.lockb		bun.lockb
package.json		package.json
tsconfig.json		tsconfig.json
tsup.config.json		tsup.config.json
vitest.config.ts		vitest.config.ts

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Install

npm add @the-minimal/fingerprint

Highlights

Small (~ 325 bytes)
Low runtime overhead
Unique output
- If global then append keys of global
- If window then append keys of window
- If performance then append performance.toJSON or performance.timeOrigin
- If Intl then append timezone
- If process then append pid, ppid, arch, platform and values of env
- If navigator then append userAgent, languages and platform
- If screen then append width and height
Singleton
- Consequent calls return the same fingerprint

Example

const fingerPrint = createFingerPrint();