Registry / type-stubs / babel-flow-types

babel-flow-types

library1.2.3jsnpmunverified

Provides Flow type definitions for Babel's public API, including types for AST nodes, parsers, transformers, and code generation. Current stable version is 1.2.3. This package is specifically for Flow users who need type coverage when working with Babel's ecosystem, offering types that mirror Babel's internal structures. It is updated infrequently to match Babel's releases. Compared to TypeScript-oriented alternatives like @babel/types, this package is the primary source for Flow consumers relying on Babel.

type-stubs

npm install babel-flow-types

github ↗package ↗

INSTALL

IMPORT

SIG · BABEL-FLOW-TYPES

babel-flow-types

type-stubsjavascriptv1.2.3

Install

—

Import

—

Disk

—

Pass rate

0/ 6

Env Coverage0 / 6

glibc

18–22

musl

18–22

Install & Compatibility

Where this runs

tested against v? · npm install

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

node 18–226 runs

build_error

glibc

node 18–226 runs

build_error

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

BabelNodeFile

✓ import type { BabelNodeFile } from 'babel-flow-types'

✗ import { BabelNodeFile } from 'babel-flow-types'

This package exports Flow types, so import with 'import type' in Flow or ignore in non-Flow contexts.

BabelNodeIdentifier

✓ import type { BabelNodeIdentifier } from 'babel-flow-types'

✗ const BabelNodeIdentifier = require('babel-flow-types').BabelNodeIdentifier

CommonJS require is not recommended for type imports; use ESM style.

BabelPluginPass

✓ import type { BabelPluginPass } from 'babel-flow-types'

✗ import { BabelPluginPass } from '@babel/core'

Incorrect import path; the type is in this package, not @babel/core.

Shows how to import and use a BabelFlow type in a Flow-typed file.

// @flow import type { BabelNodeFile } from 'babel-flow-types'; function processFile(node: BabelNodeFile) { console.log(node.program.body); } processFile({ type: 'File', program: { type: 'Program', body: [], directives: [], sourceType: 'module', interpreter: null } });

Debug

Known issues

deprecatedThis package is in maintenance mode and may not be updated for newer Babel versions.

fix

Consider migrating to TypeScript with @babel/types or continue using Flow with caution.

affects: >=1.0

gotchaFlow type definitions may not cover all Babel APIs; some types are missing or incomplete.

fix

Check the package's source to see defined types; supplement with custom type definitions as needed.

affects: >=1.0

gotchaImporting types incorrectly (e.g., with default import) will cause Flow errors.

fix

Use named type imports as shown in the examples.

affects: >=1.0

Errors

Common errors & fixes

Cannot resolve 'babel-flow-types'.

Package not installed or not in node_modules.

fix

Run 'npm install babel-flow-types' to add it to dependencies.

TypeError: Cannot read properties of undefined (reading 'body')

Trying to use BabelNodeFile as a runtime value instead of a type.

fix

Remove 'type' keyword from import to import the actual value, but note that this package only exports types.

Flow: Cannot resolve module 'babel-flow-types'.

Flow cannot locate the package because it's a flow-typed library or not in flow-typed.

fix

Add '// flow-typed' comment or install flow-typed definitions for babel-flow-types.

Upgrade

Version history

1.2.3latest on npm

Audit

Dependencies

flow-binoptionalruntime dependency for Flow type checking

Agent activity

42 hits · last 30 days

node

OpenAI (training)

Resources

githubhttps://github.com/babel-utils/babel-flow-types ↗

packagehttps://www.npmjs.com/package/babel-flow-types ↗