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Gathering detailed insights and metrics for uti

uti - 8.9.0 | npmpackage.info

uti

javascript implementation of a "Universal Type Identifier"

8.9.0

0BSD

JavaScript

45.74 kB

5.7

Installations

npm install uti

Developer Guide

BETA

Typescript

Yes

Module System

ESM

Min. Node Version

>=22.15.1

Node Version

22.15.1

NPM Version

10.9.2 Score

77.1

Supply Chain

100

Quality

86.1

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

0

Total

1,915

Closed

276

Merged

1,639

Issues

Open

0

Total

47

Closed

47

Releases

117

v8.9.0

Updated on May 21, 2025

v8.8.0

Updated on May 20, 2025

v8.7.4

Updated on May 06, 2025

v8.7.3

Updated on May 06, 2025

v8.7.2

Updated on May 01, 2025

v8.7.1

Updated on Dec 19, 2024

View All 117 releases

Languages

JavaScript

JavaScript (100%)

Developer

arlac77

Download Statistics

Total Downloads

Last Day

Last Week

Last Month

Last Year

GitHub Statistics

0BSD License

5 Stars

2,917 Commits

1 Forks

3 Watchers

1 Branches

5 Contributors

Updated on Jun 29, 2025

Maintainers

View All 5 Contributors

Package Meta Information

Latest Version

8.9.0

Package Id

uti@8.9.0

Unpacked Size

45.74 kB

Size

8.65 kB

File Count

NPM Version

10.9.2

Node Version

22.15.1

Published on

May 21, 2025

Total Downloads

Cumulative downloads

Total Downloads

NaN

Last Day

NaN

Compared to previous day

Last Week

NaN

Compared to previous week

Last Month

NaN

Compared to previous month

Last Year

NaN

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dev Dependencies

ava browser-ava c8 documentation semantic-release typescript

uti

Uniform Type Identifier

Please see ars technica article for a description about the principles of UTIs.

For a list of known UTIs please see here

example

myuti.js

1import { UTIController } from "uti";
2
3const uc = new UTIController();
4const doesConformTo = uc.conformsTo("public.image", "public.data");
5console.log("doesConformTo: " + doesConformTo);
6
7console.log(uc.getUTIsForFileName("a.txt")[0]);

Output

1doesConformTo: true
2public.plain-text

API

UTIDeclaration
- Properties
UTI
- Parameters
- Properties
- name
- conforms
- conformsTo
  - Parameters
- toString
- toJSON
UTIController

UTIDeclaration

Type: Object

Properties

name string
conformsTo (string | Array<string>)?
mimeType (string | Array<string>)?
fileNameExtension (string | Array<string>)?

UTI

Object representing a UTI.

Parameters

name string
conforms Set<UTI>

Properties

name string
conforms Set<UTI>

name

Type: string

conforms

Type: Set<UTI>

conformsTo

Check for conformity.

Parameters

other (UTI | undefined)

Returns boolean true if other conforms to the receiver

toString

name of the UTI.

Returns string

toJSON

Deliver JSON representation of the UTI. Sample result

1{
2  "name": "myUTI",
3  "conformsTo": [ "uti1", "uti2"]
4}

Returns {name: string, conforms: Array<string>} json representation of the UTI

UTIController

Registry of UTIs.

Properties

registry Map<string, UTI>
utiByMimeType Map<string, UTI>
utiByFileNameExtension Map<string, UTI>

register

Registers additional types.

Parameters

types Array<UTIDeclaration>

getUTI

Lookup a given UTI.

Parameters

name string UTI

Returns (UTI | undefined) UTI for the given name or undefined if UTI is not present.

getUTIsForMimeType

Lookup a UTIs for a mime type.

Parameters

mimeType string mime type to get UTIs for

Returns Array<string> UTIs for the given mime type

getUTIsForFileName

Lookup a UTI for a file name. First the file name extension is extracted. Then a lookup in the registered UTIs for file name extension is executed.

Parameters

fileName string file to detect UTI for

Returns Array<string> UTIs for the given fileName

conformsTo

Check whenever two UTI are conformant. If a conforms to b and b conforms to c then a also conforms to c.

Parameters

a string first UTI
b string second UTI

Returns boolean true if UTI a conforms to UTI b.

fileNameConformsTo

Lookup a UTI for a file name and check conformance.

Parameters

fileName string file to detect UTI for
uti string to check conformance against

Returns boolean true if utils for file name are conformant

assignMimeTypes

Assign mime types to a UTI

Parameters

uti string
mimeTypes Array<string>

assignExtensions

Assign mime types to a UTI

Parameters

uti string
extensions Array<string>

install

With npm do:

1npm install uti

license

BSD-2-Clause

No vulnerabilities found.

10

Maintained

Determines if the project is "actively maintained".

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

License

Determines if the project has defined a license.

10

Packaging

Determines if the project is published as a package that others can easily download, install, easily update, and uninstall.

8

SAST

Determines if the project uses static code analysis.

8

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

3

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

Reason

dependency not pinned by hash detected -- score normalized to 3

Details

Warn: third-party GitHubAction not pinned by hash: .github/workflows/auto_approve.yml:7: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/auto_approve.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:27: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:29: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/ci.yml:39: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:55: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:57: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:82: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:84: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/ci.yml:103: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql_analysis.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/codeql_analysis.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql_analysis.yml:20: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/codeql_analysis.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql_analysis.yml:24: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/codeql_analysis.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql_analysis.yml:31: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/codeql_analysis.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/pr_labeler.yml:10: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/pr_labeler.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/update_package_lock.yml:19: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/update_package_lock.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/update_package_lock.yml:21: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/update_package_lock.yml/master?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/update_package_lock.yml:33: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/update_package_lock.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/update_readme_api.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/update_readme_api.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/update_readme_api.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/update_readme_api.yml/master?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/update_readme_api.yml:22: update your workflow using https://app.stepsecurity.io/secureworkflow/arlac77/uti/update_readme_api.yml/master?enable=pin
Warn: npmCommand not pinned by hash: .github/workflows/update_package_lock.yml:30
Info: 0 out of 15 GitHub-owned GitHubAction dependencies pinned
Info: 0 out of 5 third-party GitHubAction dependencies pinned
Info: 5 out of 6 npmCommand dependencies pinned

0

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

0

Security-Policy

Determines if the project has published a security policy.

0

Fuzzing

Determines if the project uses fuzzing.

Score

5.7

/10

Last Scanned on 2025-06-23

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to uti

uti

Installations

Developer Guide

Yes

ESM

>=22.15.1

22.15.1

10.9.2

Score

Pull Requests

0

1,915

276

1,639

Issues

0

47

47

Releases

Languages

Developer

arlac77

Download Statistics

GitHub Statistics

Maintainers

Package Meta Information

Total Downloads

NaN

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dev Dependencies

uti

Uniform Type Identifier

example

myuti.js

API

Table of Contents

UTIDeclaration

Properties

UTI

Parameters

Properties

name

conforms

conformsTo

Parameters

toString

toJSON

UTIController

Properties

registry

utiByMimeType

utiByFileNameExtension

register

Parameters

getUTI

Parameters

getUTIsForMimeType

Parameters

getUTIsForFileName

Parameters

conformsTo

Parameters

fileNameConformsTo

Parameters

assignMimeTypes

Parameters

assignExtensions

Parameters

install

license

10

10

10

10

10

8

8