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| 5 | ||
| 2015 | ||
| 2016 | ||
| 2017 | ||
| 2018 | ||
| 2019 | ||
| 2020 | ||
| 2021 | ||
| 2022 | ||
| 2023 | ||
| 2024 | ||
| 2025 | ||
| helpers | ||
| operations | ||
| .editorconfig | ||
| .nycrc | ||
| CHANGELOG.md | ||
| es5.js | ||
| es6.js | ||
| es7.js | ||
| es2015.js | ||
| es2016.js | ||
| es2017.js | ||
| es2018.js | ||
| es2019.js | ||
| es2020.js | ||
| es2021.js | ||
| es2022.js | ||
| es2023.js | ||
| es2024.js | ||
| es2025.js | ||
| eslint.config.mjs | ||
| GetIntrinsic.js | ||
| index.js | ||
| LICENSE | ||
| package.json | ||
| README.md | ||
es-abstract 
ECMAScript spec abstract operations.
Every operation is available by edition/year and by name - for example, es-abstract/2020/Call gives you the Call operation from ES2020, es-abstract/5/Type gives you the Type operation from ES5.
All abstract operations are also available under an es5/es2015/es2016/es2017/es2018/es2019/es2020/es2021 entry point, and as a property on the main export, but using deep imports is highly encouraged for bundle size and performance reasons. Non-deep entry points will be removed in the next semver-major release.
Example
var ES = require('es-abstract');
var assert = require('assert');
assert(ES.isCallable(function () {}));
assert(!ES.isCallable(/a/g));
Tests
Simply clone the repo, npm install, and run npm test
Security
Please email @ljharb or see https://tidelift.com/security if you have a potential security vulnerability to report.