Registry / testing / eslint-plugin-lodash-fp

eslint-plugin-lodash-fp

library2.2.0-a1jsnpmunverified

An ESLint plugin providing rules specifically for lodash/fp, the functional programming variant of Lodash. The current stable version is 2.2.0-alpha1 (pre-release) and targets ESLint >=3. It helps enforce FP best practices such as currying, data-last argument order, and composition, and prevents usage of impure or chain-based patterns. It offers over 20 rules, including `use-fp` to enforce lodash/fp over lodash, `no-chain` to forbid `_.chain`, and `prefer-constant` to replace arrow functions returning literals. It distinguishes itself from general Lodash linting by focusing on the FP paradigm and catching subtle issues like extraneous arguments and unused results.

testing devops

npm install eslint-plugin-lodash-fp

github ↗package ↗

INSTALL

IMPORT

SIG · ESLINT-PLUGIN-LODA

eslint-plugin-lodash-fp

testingjavascriptv2.2.0-a1

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.

eslint-plugin-lodash-fp

✓ plugins: ['lodash-fp']

✗ plugins: ['eslint-plugin-lodash-fp']

ESLint automatically resolves 'eslint-plugin-' prefix when specifying plugin name in .eslintrc.

lodash/fp/lodash.js

✓ import _ from 'lodash/fp';

✗ import _ from 'lodash';

The plugin assumes you are using lodash/fp, not lodash. Use 'lodash/fp' import to match rules like `use-fp`.

require('lodash/fp')

✓ const _ = require('lodash/fp');

✗ const _ = require('lodash');

For CommonJS, require the fp submodule. The plugin's `use-fp` rule will flag require('lodash').

Basic setup and a rule violation example: shows installation, configuration in .eslintrc.json, and how no-chain catches _.chain usage.

// Install: npm install --save-dev eslint eslint-plugin-lodash-fp // .eslintrc.json { "plugins": ["lodash-fp"], "rules": { "lodash-fp/consistent-name": ["error", "_"], "lodash-fp/no-chain": "error", "lodash-fp/prefer-compact": "error", "lodash-fp/use-fp": "error" } } // Example code that triggers no-chain: // _.chain([1,2,3]).map(x => x * 2).value(); // ❌ Error: Unexpected _.chain // Correct FP: compose or use lodash/fp directly import _ from 'lodash/fp'; const result = _.map(x => x * 2, [1, 2, 3]); // ✅

Debug

Known issues

deprecatedRule 'no-extraneous-function-wrapping' may produce false positives for complex expressions.

fix

Review rule documentation and consider disabling if too noisy.

affects: all

gotchaRules assume lodash/fp is imported. If you use both lodash and lodash/fp, some rules may misbehave.

fix

Use separate ESLint configurations per file or scope: one for lodash/fp files and one for lodash files.

affects: >=0.0.0

deprecatedThe 'no-extraneous-partials' rule can be too restrictive and may flag valid currying patterns.

fix

Disable the rule or use the 'exceptions' option if available (see docs).

affects: all

breakingVersion 2.0.0 changed some rule defaults: 'no-chain' became error by default.

fix

Update configurations to explicitly set severity for 'no-chain' if relying on old defaults.

affects: >=2.0.0

Errors

Common errors & fixes

Error: Failed to load plugin 'lodash-fp' from package 'eslint-plugin-lodash-fp': Could not find module 'eslint-plugin-lodash-fp'

eslint-plugin-lodash-fp is not installed or not in node_modules.

fix

npm install --save-dev eslint-plugin-lodash-fp

Definition for rule 'lodash-fp/use-fp' was not found

Plugin 'lodash-fp' not registered in plugins array or ESLint version too old (requires >=3).

fix

Add 'lodash-fp' to plugins in .eslintrc and ensure ESLint >=3.

Upgrade

Version history

2.2.0-a1latest on npm

Audit

Dependencies

No dependency data recorded yet.

Agent activity

2 hits · last 30 days

node

Resources

githubhttps://github.com/jfmengels/eslint-plugin-lodash-fp ↗

packagehttps://www.npmjs.com/package/eslint-plugin-lodash-fp ↗