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axios-date-transformer

library1.2.1jsnpmunverified

Automatically converts ISO 8601 date strings (with millisecond precision) in Axios JSON response data to JavaScript Date objects. v1.2.1 is current. Lightweight, TypeScript-first, no external dependencies beyond Axios. Releases appear infrequent but stable. Key differentiator: simple drop-in transformer for Axios instances vs manual parsing or full-date-lib overhead.

storage

npm install axios-date-transformer

github ↗package ↗homepage ↗

INSTALL

IMPORT

SIG · AXIOS-DATE-TRANSFO

axios-date-transformer

storagejavascriptv1.2.1

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

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

createAxiosDateTransformer

✓ import { createAxiosDateTransformer } from 'axios-date-transformer'

✗ const createAxiosDateTransformer = require('axios-date-transformer')

ESM/CJS dual support, but requires named import from package, not default.

addAxiosDateTransformer

✓ import { addAxiosDateTransformer } from 'axios-date-transformer'

✗ import addAxiosDateTransformer from 'axios-date-transformer'

Named export, not default export.

type AxiosDateTransformerOptions

✓ import type { AxiosDateTransformerOptions } from 'axios-date-transformer'

✗ import { AxiosDateTransformerOptions } from 'axios-date-transformer'

Type-only export, available in TypeScript declarations.

Creates an Axios instance that automatically converts ISO date strings to Date objects.

import { createAxiosDateTransformer } from 'axios-date-transformer'; const api = createAxiosDateTransformer({ baseURL: 'https://jsonplaceholder.typicode.com', }); async function fetchData() { const res = await api.get('/posts/1'); // response data's date strings (if any) are now Date objects console.log(res.data); } fetchData();

Debug

Known issues

gotchaOnly transforms response JSON data; does not handle request data or headers, and does not transform nested date strings.

fix

For nested or non-ISO formats, preprocess response.data manually or use a library like 'superjson'.

affects: >=1.0.0

gotchaDate conversion only applies to strings that match ISO 8601 with milliseconds (e.g., /\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z/). Other date formats are left as strings.

fix

Ensure your API returns dates in the expected ISO with milliseconds format, or extend the regex.

affects: >=1.0.0

deprecatedThe package uses `moment` internally? No, it uses native Date. No deprecated APIs.

fix

N/A

affects: >=1.0.0

Errors

Common errors & fixes

Cannot find module 'axios-date-transformer'

Package not installed or wrong import path (e.g., missing 'axios-date-transformer/src').

fix

Run `npm install axios-date-transformer` and ensure import matches: `import { ... } from 'axios-date-transformer'`.

TypeError: (0 , axios_date_transformer.createAxiosDateTransformer) is not a function

Using require() incorrectly (e.g., `const { createAxiosDateTransformer } = require('axios-date-transformer')` is fine, but default import from CJS may fail).

fix

Use `import { createAxiosDateTransformer } from 'axios-date-transformer'` in an ESM context, or `const { createAxiosDateTransformer } = require('axios-date-transformer')` in CJS.

Property 'createAxiosDateTransformer' does not exist on type 'typeof import(...)'

TypeScript issue due to missing type declarations or incorrect module resolution.

fix

Ensure you have `axios` installed and TypeScript is using `node` moduleResolution. The package ships types, but you might need to check tsconfig.json.

Upgrade

Version history

1.2.1latest on npm

Audit

Dependencies

axiosrequiredpeer dependency, transformer integrates directly into Axios request/response pipeline

Agent activity

50 hits · last 30 days

node

OpenAI (training)

Resources

githubhttps://github.com/angelxmoreno/axios-date-transformer ↗

packageaxios-date-transformer ↗

homepagehttps://github.com/angelxmoreno/axios-date-transformer ↗