@babel/plugin-transform-private-property-in-object
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This plugin transforms checks for a private property in an object
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The @babel/plugin-transform-private-property-in-object npm package is a Babel plugin that allows for the transformation of syntax for private properties in objects. This is particularly useful for ensuring compatibility across different JavaScript environments, especially when using newer ECMAScript features that may not be supported everywhere. It helps in writing modern JavaScript code that uses private class fields, ensuring that the code can be transpiled to a form that is widely supported.
Private Property Checking
This feature allows the plugin to transform checks for private properties within objects. It enables the use of the 'in' operator to check for the existence of a private property in an instance of a class, ensuring that the syntax is correctly transpiled for environments that do not natively support private class fields.
"class MyClass { #myPrivateProperty = 'secret'; hasPrivateProperty(obj) { return #myPrivateProperty in obj; } }"This package is similar to @babel/plugin-transform-private-property-in-object as it provides functionality for transforming class properties, including static properties and private properties. However, it focuses more broadly on all class properties, not just private ones within objects. It allows developers to use the latest JavaScript features regarding class properties while ensuring backward compatibility.
Similar to @babel/plugin-transform-private-property-in-object, this package focuses on transforming private methods and accessors in classes. While @babel/plugin-transform-private-property-in-object deals with private properties in objects, @babel/plugin-proposal-private-methods extends the functionality to include methods and getters/setters that are marked as private, offering a broader scope of class encapsulation features.
This plugin transforms checks for a private property in an object
See our website @babel/plugin-transform-private-property-in-object for more information.
Using npm:
npm install --save-dev @babel/plugin-transform-private-property-in-object
or using yarn:
yarn add @babel/plugin-transform-private-property-in-object --dev
v7.27.1 (2025-04-30)
babel-parser
babel-parser, babel-types
babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
babel-helper-wrap-function, babel-plugin-transform-async-to-generator
babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
babel-helper-fixtures, babel-parser
babel-generator, babel-parser
babel-parser
babel-compat-data, babel-preset-env
babel-traverse
babel-generator
babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-transform-arrow-functions, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-traverse
babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
regenerator-runtime dep in @babel/runtime (@nicolo-ribaudo)babel-compat-data, babel-preset-env
babel-compat-data, babel-standalone
babel-register
@babel/register to cts (@liuxingbaoyu)babel-cli, babel-compat-data, babel-core, babel-generator, babel-helper-compilation-targets, babel-helper-fixtures, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-parser, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-preset-env, babel-register, babel-standalone, babel-types
babel-plugin-transform-regenerator
babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
babel-helpers, babel-plugin-transform-regenerator
babel-helpers
babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
interopRequireWildcard size (@liuxingbaoyu)babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
regeneratorRuntime size (@liuxingbaoyu)FAQs
This plugin transforms checks for a private property in an object
The npm package @babel/plugin-transform-private-property-in-object receives a total of 16,232,913 weekly downloads. As such, @babel/plugin-transform-private-property-in-object popularity was classified as popular.
We found that @babel/plugin-transform-private-property-in-object demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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