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@babel/plugin-proposal-private-methods
Advanced tools
Package description
The @babel/plugin-proposal-private-methods package is a Babel plugin that allows developers to use the private methods and accessors proposal in JavaScript classes. This proposal is part of the ECMAScript (ES) standardization process and introduces a way to define private methods and getter/setter functions in a class, which are only accessible within the class itself.
Private Methods
This feature allows the definition of methods in a class that are not accessible from outside the class. The hash (#) prefix indicates that the method is private.
class MyClass {
#privateMethod() {
return 'Hello from private method';
}
publicMethod() {
return this.#privateMethod();
}
}
Private Accessors
This feature allows the definition of private getter and setter functions in a class, which can be used to control access to private fields.
class MyClass {
#privateField = 'private value';
get #privateAccessor() {
return this.#privateField;
}
set #privateAccessor(newValue) {
this.#privateField = newValue;
}
publicMethod() {
return this.#privateAccessor;
}
}
This package allows developers to use the class properties proposal, which includes static and instance properties. It is similar to @babel/plugin-proposal-private-methods but does not specifically deal with private methods or accessors.
This package provides support for decorators, which are a stage 2 proposal for JavaScript. Decorators can be used to annotate and modify classes and properties at design time. While decorators can be used to mimic some aspects of private methods, they are not the same as the private methods proposal.
Changelog
v7.18.6 (2022-06-27)
babel-parser
...<...>
followed by newline or binary operator (@nicolo-ribaudo)babel-generator
, babel-parser
, babel-preset-env
, babel-template
babel-helper-remap-async-to-generator
, babel-plugin-proposal-async-generator-functions
await
in computed class keys (@Yokubjon-J)babel-plugin-transform-parameters
babel-core
babel-core
(@liuxingbaoyu)babel-core
, babel-helper-check-duplicate-nodes
, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression
, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining
, babel-plugin-proposal-destructuring-private
, babel-plugin-proposal-optional-chaining
, babel-plugin-transform-runtime
import { types } from "@babel/core"
with native ESM (@nicolo-ribaudo)babel-standalone
proposal-unicode-sets-regex
to @babel/standalone
(@nicolo-ribaudo)babel-generator
, babel-types
babel-code-frame
, babel-core
, babel-generator
, babel-helper-annotate-as-pure
, babel-helper-builder-binary-assignment-operator-visitor
, babel-helper-builder-react-jsx
, babel-helper-check-duplicate-nodes
, babel-helper-compilation-targets
, babel-helper-create-class-features-plugin
, babel-helper-create-regexp-features-plugin
, babel-helper-define-map
, babel-helper-explode-assignable-expression
, babel-helper-fixtures
, babel-helper-function-name
, babel-helper-hoist-variables
, babel-helper-member-expression-to-functions
, babel-helper-module-imports
, babel-helper-module-transforms
, babel-helper-optimise-call-expression
, babel-helper-plugin-test-runner
, babel-helper-plugin-utils
, babel-helper-remap-async-to-generator
, babel-helper-replace-supers
, babel-helper-simple-access
, babel-helper-split-export-declaration
, babel-helper-transform-fixture-test-runner
, babel-helper-validator-option
, babel-helper-wrap-function
, babel-helpers
, babel-highlight
, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining
, babel-plugin-external-helpers
, babel-plugin-proposal-async-generator-functions
, babel-plugin-proposal-class-static-block
, babel-plugin-proposal-decorators
, babel-plugin-proposal-destructuring-private
, babel-plugin-proposal-function-bind
, babel-plugin-proposal-function-sent
, babel-plugin-proposal-json-strings
, babel-plugin-proposal-object-rest-spread
, babel-plugin-proposal-optional-chaining
, babel-plugin-proposal-partial-application
, babel-plugin-proposal-pipeline-operator
, babel-plugin-proposal-private-property-in-object
, babel-plugin-proposal-record-and-tuple
, babel-plugin-syntax-typescript
, babel-plugin-transform-block-scoped-functions
, babel-plugin-transform-block-scoping
, babel-plugin-transform-classes
, babel-plugin-transform-computed-properties
, babel-plugin-transform-destructuring
, babel-plugin-transform-duplicate-keys
, babel-plugin-transform-exponentiation-operator
, babel-plugin-transform-flow-comments
, babel-plugin-transform-flow-strip-types
, babel-plugin-transform-for-of
, babel-plugin-transform-function-name
, babel-plugin-transform-modules-amd
, babel-plugin-transform-modules-commonjs
, babel-plugin-transform-modules-systemjs
, babel-plugin-transform-modules-umd
, babel-plugin-transform-object-super
, babel-plugin-transform-parameters
, babel-plugin-transform-property-mutators
, babel-plugin-transform-proto-to-assign
, babel-plugin-transform-react-constant-elements
, babel-plugin-transform-react-display-name
, babel-plugin-transform-react-inline-elements
, babel-plugin-transform-react-jsx-compat
, babel-plugin-transform-react-jsx-source
, babel-plugin-transform-react-jsx
, babel-plugin-transform-runtime
, babel-plugin-transform-typescript
, babel-plugin-transform-unicode-escapes
, babel-preset-env
, babel-preset-typescript
, babel-standalone
, babel-template
, babel-traverse
, babel-types
babel-core
, babel-helper-transform-fixture-test-runner
, babel-plugin-transform-destructuring
Readme
This plugin transforms private class methods
See our website @babel/plugin-proposal-private-methods for more information.
Using npm:
npm install --save-dev @babel/plugin-proposal-private-methods
or using yarn:
yarn add @babel/plugin-proposal-private-methods --dev
FAQs
This plugin transforms private class methods
The npm package @babel/plugin-proposal-private-methods receives a total of 8,688,058 weekly downloads. As such, @babel/plugin-proposal-private-methods popularity was classified as popular.
We found that @babel/plugin-proposal-private-methods demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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