{"id":20139,"library":"inline-environment-variables-webpack-plugin","title":"Inline Environment Variables Webpack Plugin","description":"A webpack plugin that replaces all instances of `process.env.***` with actual environment variable values at build time. Current stable version is 1.2.1, with infrequent releases. Key features: inline all environment variables by default, select specific variables using string/object/array config, or define static values. No runtime dependencies. Simpler alternative to webpack's DefinePlugin for basic env inlining, but limited to environment variables only and primarily intended for development/debugging use cases. Last updated in 2017.","status":"active","version":"1.2.1","language":"javascript","source_language":"en","source_url":"https://github.com/tikotzky/inline-environment-variables-webpack-plugin","tags":["javascript","webpack","plugin","env","variables"],"install":[{"cmd":"npm install inline-environment-variables-webpack-plugin","lang":"bash","label":"npm"},{"cmd":"yarn add inline-environment-variables-webpack-plugin","lang":"bash","label":"yarn"},{"cmd":"pnpm add inline-environment-variables-webpack-plugin","lang":"bash","label":"pnpm"}],"dependencies":[],"imports":[{"note":"Plugin is CJS only; ESM import not supported.","wrong":"import InlineEnvironmentVariablesPlugin from 'inline-environment-variables-webpack-plugin';","symbol":"InlineEnvironmentVariablesPlugin","correct":"const InlineEnvironmentVariablesPlugin = require('inline-environment-variables-webpack-plugin');"},{"note":"Typo in v1.2.0 and earlier: `InlineEnviromentVariablesPlugin` (missing 'n'). Correct name is `InlineEnvironmentVariablesPlugin`.","wrong":"const InlineEnviromentVariablesPlugin = require('inline-environment-variables-webpack-plugin');","symbol":"InlineEnviromentVariablesPlugin","correct":"const InlineEnvironmentVariablesPlugin = require('inline-environment-variables-webpack-plugin');"},{"note":"No ESM support; use CommonJS require.","wrong":"","symbol":"InlineEnvironmentVariablesPlugin (ESM)","correct":"const InlineEnvironmentVariablesPlugin = require('inline-environment-variables-webpack-plugin');"}],"quickstart":{"code":"// webpack.config.js\nconst InlineEnvironmentVariablesPlugin = require('inline-environment-variables-webpack-plugin');\n\nmodule.exports = {\n  plugins: [\n    new InlineEnvironmentVariablesPlugin()\n  ]\n};","lang":"javascript","description":"Basic usage: instantiate plugin without config to replace all process.env.* calls with actual environment values at build time."},"warnings":[{"fix":"Upgrade to v1.2.1 (npm install inline-environment-variables-webpack-plugin@latest) and rename imports to `InlineEnvironmentVariablesPlugin`.","message":"v1.2.0 and earlier used wrong export name `InlineEnviromentVariablesPlugin` (missing 'n'). v1.2.1 fixed this to `InlineEnvironmentVariablesPlugin`.","severity":"breaking","affected_versions":"<=1.2.0"},{"fix":"Use webpack's DefinePlugin or EnvironmentPlugin for complex value replacement.","message":"Plugin only replaces process.env.*** calls with string values; objects/functions will be serialized to string (e.g., 'true' for boolean true).","severity":"gotcha","affected_versions":"all"},{"fix":"Use webpack.EnvironmentPlugin or @maika/env-development or dotenv-webpack instead.","message":"No updates since 2017; consider using webpack's built-in EnvironmentPlugin or DotenvPlugin for modern projects.","severity":"deprecated","affected_versions":"all"},{"fix":"Ensure all referenced env vars are set; use config object to provide defaults.","message":"If environment variable is undefined at build time, plugin replaces process.env.VAR with undefined string, possibly causing runtime errors.","severity":"gotcha","affected_versions":"all"}],"env_vars":null,"last_verified":"2026-04-25T00:00:00.000Z","next_check":"2026-07-24T00:00:00.000Z","problems":[{"fix":"Run `npm install --save-dev inline-environment-variables-webpack-plugin` and check import path.","cause":"Plugin not installed or misspelled package name.","error":"Module not found: Error: Can't resolve 'inline-environment-variables-webpack-plugin'"},{"fix":"Use `const InlineEnvironmentVariablesPlugin = require('inline-environment-variables-webpack-plugin');`","cause":"Using ESM import syntax (import from) instead of CommonJS require.","error":"TypeError: InlineEnvironmentVariablesPlugin is not a constructor"},{"fix":"Add `new InlineEnvironmentVariablesPlugin()` to the plugins array in webpack.config.js.","cause":"Plugin not applied to bundle (e.g., missing in webpack config plugins array).","error":"ReferenceError: process is not defined"}],"ecosystem":"npm","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}