Catalogue tag

#ecmascript

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

75 records

Tagged “ecmascript”Ranked by health index

npm

37At riskhealth index

estools/esrecurse

AST recursive visitor

JavaScript★ 80↓ 539M/moJul 22, 2026

Custom licenseJul 22, 2026 · metrics 1.13.0

npm

37At riskhealth index

mathiasbynens/regenerate

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.

JavaScript★ 378↓ 157M/moJul 22, 2026

MITJul 22, 2026 · metrics 1.13.0

npm

36At riskhealth index

terser/terser

🗜 JavaScript parser, mangler and compressor toolkit for ES6+

JavaScript★ 9,310↓ 281M/moJul 20, 2026

Custom licenseJul 20, 2026 · metrics 1.13.0

npm

34At riskhealth index

gkz/levn

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible

LiveScript★ 85↓ 535M/moJul 22, 2026

MITJul 22, 2026 · metrics 1.13.0

npm · PyPI

34At riskhealth index

jquery/esprima

ECMAScript parsing infrastructure for multipurpose analysis

TypeScript · JavaScript★ 7,140↓ 430M/moJul 22, 2026

BSD-2-ClauseJul 22, 2026 · metrics 1.13.0

npm

32At riskhealth index

json5/json5

JSON5 — JSON for Humans

JavaScript★ 7,146↓ 811M/moJul 22, 2026

Custom licenseJul 22, 2026 · metrics 1.13.0

npm

31At riskhealth index

mishoo/UglifyJS

JavaScript parser / mangler / compressor / beautifier toolkit

JavaScript★ 13.4K↓ 169M/moJul 22, 2026

Custom licenseJul 22, 2026 · metrics 1.13.0

npm

27Criticalhealth index

estools/escodegen

ECMAScript code generator

JavaScript★ 2,688↓ 234M/moJul 22, 2026

BSD-2-ClauseJul 22, 2026 · metrics 1.13.0

npm

27Criticalhealth index

mathiasbynens/jsesc

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

JavaScript★ 796↓ 638M/moJul 22, 2026

MITJul 22, 2026 · metrics 1.13.0

npm

26Criticalhealth index

estools/estraverse

ECMAScript JS AST traversal functions

JavaScript★ 969↓ 849M/moJul 22, 2026

BSD-2-ClauseJul 22, 2026 · metrics 1.13.0

npm

25Criticalhealth index

estools/esutils

utility box for ECMAScript language tools

CoffeeScript · JavaScript★ 123↓ 570M/moJul 22, 2026

BSD-2-ClauseJul 22, 2026 · metrics 1.13.0

npm

25Criticalhealth index

unclechu/node-deep-extend

Recursive extend module

JavaScript★ 201↓ 171M/moJul 22, 2026

MITJul 22, 2026 · metrics 1.13.0

npm

21Criticalhealth index

eslint/typescript-eslint-parser

An ESLint custom parser which leverages TypeScript ESTree to allow for ESLint to lint TypeScript source code.

JavaScript★ 911↓ 376.5K/moJul 19, 2026

Custom licenseJul 19, 2026 · metrics 1.13.0

npm

21Criticalhealth index

sindresorhus/object-assign

ES2015 Object.assign() ponyfill

JavaScript★ 918↓ 607M/moJul 22, 2026

MITJul 22, 2026 · metrics 1.13.0

NuGet

12Criticalhealth index

Taritsyn/JavaScriptEngineSwitcher

JavaScript Engine Switcher determines unified interface for access to the basic features of popular JavaScript engines. This library allows you to quickly and easily switch to using of another JavaScript engine.

C# · JavaScript★ 475Jul 21, 2026

Apache-2.0Jul 21, 2026 · metrics 1.13.0