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const setupDotenv = require('dotenv');
const { expand: dotenvExpand } = require('dotenv-expand');
const { consoleMessage } = require('./logger');
const { OPTIONS } = require('./global');
/**
* @module dotenv
*/
/**
* Set up a webpack dotenv plugin config.
*
* @param {string} filePath
* @param {object} settings
* @param {object} settings.consoleMessage
* @returns {undefined|*}
*/
const setupWebpackDotenvFile = (filePath, { consoleMessage: aliasConsoleMessage = consoleMessage } = {}) => {
const settings = {
systemvars: true,
silent: true
};
if (filePath) {
settings.path = filePath;
}
try {
// eslint-disable-next-line
const DotEnv = require('dotenv-webpack');
return new DotEnv(settings);
} catch (e) {
aliasConsoleMessage.warn(`Failed loading dotenv-webpack package: ${e.message}`);
}
return undefined;
};
/**
* For use with webpack configurations. Set up multiple webpack dotenv file parameters.
*
* @param {object} params
* @param {string} [params.directory=<OPTIONS.contextPath>]
* @param {string} params.env
* @param {object} settings
* @param {object} settings.consoleMessage
* @param {Function} settings.setupWebpackDotenvFile
* @returns {Array}
*/
const setupWebpackDotenvFilesForEnv = (
{ directory = OPTIONS.contextPath, env } = {},
{
consoleMessage: aliasConsoleMessage = consoleMessage,
setupWebpackDotenvFile: aliasSetupWebpackDotenvFile = setupWebpackDotenvFile
} = {}
) => {
const dotenvWebpackSettings = [];
try {
if (env) {
dotenvWebpackSettings.push(aliasSetupWebpackDotenvFile(path.resolve(directory, `.env.${env}.local`)));
dotenvWebpackSettings.push(aliasSetupWebpackDotenvFile(path.resolve(directory, `.env.${env}`)));
}
dotenvWebpackSettings.push(aliasSetupWebpackDotenvFile(path.resolve(directory, '.env.local')));
dotenvWebpackSettings.push(aliasSetupWebpackDotenvFile(path.resolve(directory, '.env')));
} catch (e) {
aliasConsoleMessage.warn(`setupWebpackDotenvFilesForEnv: ${e.message}`);
}
return dotenvWebpackSettings;
};
/**
* Set up, and access, a dotenv file and the related set of parameters.
*
* @param {string} filePath
* @returns {void}
*/
const setupDotenvFile = filePath => {
const dotenvInitial = setupDotenv.config({ path: filePath });
dotenvExpand(dotenvInitial);
};
/**
* Set an array of dotenv params
*
* @param {Array<{param: string, value: string, ignoreIfSet: boolean}>} params
*/
const setDotenvParam = (params = []) => {
params.forEach(({ param, value, ignoreIfSet } = {}) => {
Iif (ignoreIfSet && process.env[param]) {
return;
}
process.env[param] = value;
});
};
/**
* A function for use with non-webpack configurations. Set up and access local and specific dotenv file parameters.
* dotenv parameters are string based, failed or missing dotenv parameters return an empty string.
*
* @param {object} params
* @param {string} params.env
* @param {string} [params.relativePath=<OPTIONS.contextPath>]
* @param {string} [params.dotenvNamePrefix=BUILD] Add an internal prefix to dotenv parameters used for configuration to avoid overlap.
* @param {boolean} [params.setBuildDefaults=true]
* @param {boolean} [params.isMessaging=false]
* @param {boolean} [params.setExposedParams=false] Ignore the potential for dotenv parameter overlap and attempt to set non-prefixed configuration parameters if not already set.
* @param {object} settings
* @param {object} settings.consoleMessage
* @param {Function} settings.setDotenvParam
* @param {Function} settings.setupDotenvFile
* @returns {object}
*/
const setupDotenvFilesForEnv = (
{
env,
relativePath = OPTIONS.contextPath,
dotenvNamePrefix = 'BUILD',
setBuildDefaults = true,
isMessaging = false,
setExposedParams = false
} = {},
{
consoleMessage: aliasConsoleMessage = consoleMessage,
setDotenvParam: aliasSetDotenvParam = setDotenvParam,
setupDotenvFile: aliasSetupDotenvFile = setupDotenvFile
} = {}
) => {
Iif (isMessaging) {
aliasConsoleMessage.info(`Parsing dotenv files at: ${relativePath}`);
}
try {
Eif (env) {
aliasSetupDotenvFile(path.resolve(relativePath, `.env.${env}.local`));
aliasSetupDotenvFile(path.resolve(relativePath, `.env.${env}`));
}
aliasSetupDotenvFile(path.resolve(relativePath, '.env.local'));
aliasSetupDotenvFile(path.resolve(relativePath, '.env'));
} catch (e) {
aliasConsoleMessage.warn(`setupDotenvFilesForEnv: ${e.message}`);
}
Eif (setBuildDefaults) {
// Core Build
const APP_INDEX_PREFIX =
process.env[`${dotenvNamePrefix}_APP_INDEX_PREFIX`] || process.env.APP_INDEX_PREFIX || 'index';
const DIST_DIR = path.resolve(
relativePath,
process.env[`${dotenvNamePrefix}_DIST_DIR`] || process.env.DIST_DIR || 'dist'
);
const HOST = process.env[`${dotenvNamePrefix}_HOST`] || process.env.HOST || 'localhost';
const HTML_INDEX_DIR = path.resolve(
relativePath,
process.env[`${dotenvNamePrefix}_HTML_INDEX_DIR`] || process.env.HTML_INDEX_DIR || 'src'
);
const OPEN_PATH = process.env[`${dotenvNamePrefix}_OPEN_PATH`] || process.env.OPEN_PATH || '';
const PORT = process.env[`${dotenvNamePrefix}_PORT`] || process.env.PORT || '3000';
const PUBLIC_PATH =
process.env[`${dotenvNamePrefix}_PUBLIC_PATH`] ||
process.env.PUBLIC_PATH ||
process.env[`${dotenvNamePrefix}_PUBLIC_URL`] ||
process.env.PUBLIC_URL ||
'/';
const SRC_DIR = path.resolve(
relativePath,
process.env[`${dotenvNamePrefix}_SRC_DIR`] || process.env.SRC_DIR || 'src'
);
let STATIC_DIR = process.env[`${dotenvNamePrefix}_STATIC_DIR`] || process.env.STATIC_DIR || '';
STATIC_DIR = (STATIC_DIR && path.resolve(relativePath, STATIC_DIR)) || STATIC_DIR;
// Build Extras - Display name, HTML title
const UI_NAME = process.env[`${dotenvNamePrefix}_UI_NAME`] || process.env.UI_NAME || '';
/**
* Note: Add dotenv parameters to your project's dotenv file(s) instead of adding additional
* build specific dotenv parameters for webpack here.
*/
Iif (!process.env.NODE_ENV && env) {
if (isMessaging) {
aliasConsoleMessage.info(`Setting NODE_ENV: ${env}`);
}
process.env.NODE_ENV = env;
}
aliasSetDotenvParam([
{ param: `_${dotenvNamePrefix}_APP_INDEX_PREFIX`, value: APP_INDEX_PREFIX },
{ param: `_${dotenvNamePrefix}_DIST_DIR`, value: DIST_DIR },
{ param: `_${dotenvNamePrefix}_ENV`, value: process.env.NODE_ENV },
{ param: `_${dotenvNamePrefix}_HOST`, value: HOST },
{ param: `_${dotenvNamePrefix}_HTML_INDEX_DIR`, value: HTML_INDEX_DIR },
{ param: `_${dotenvNamePrefix}_OPEN_PATH`, value: OPEN_PATH },
{ param: `_${dotenvNamePrefix}_PORT`, value: PORT },
{ param: `_${dotenvNamePrefix}_PUBLIC_PATH`, value: PUBLIC_PATH },
{ param: `_${dotenvNamePrefix}_RELATIVE_DIRNAME`, value: relativePath },
{ param: `_${dotenvNamePrefix}_SRC_DIR`, value: SRC_DIR },
{ param: `_${dotenvNamePrefix}_STATIC_DIR`, value: STATIC_DIR },
{ param: `_${dotenvNamePrefix}_UI_NAME`, value: UI_NAME }
]);
Iif (setExposedParams) {
aliasSetDotenvParam([
{ param: `APP_INDEX_PREFIX`, value: APP_INDEX_PREFIX, ignoreIfSet: true },
{ param: `DIST_DIR`, value: DIST_DIR, ignoreIfSet: true },
{ param: `HOST`, value: HOST, ignoreIfSet: true },
{ param: `HTML_INDEX_DIR`, value: HTML_INDEX_DIR, ignoreIfSet: true },
{ param: `OPEN_PATH`, value: OPEN_PATH, ignoreIfSet: true },
{ param: `PORT`, value: PORT, ignoreIfSet: true },
{ param: `PUBLIC_PATH`, value: PUBLIC_PATH, ignoreIfSet: true },
{ param: `RELATIVE_DIRNAME`, value: relativePath, ignoreIfSet: true },
{ param: `SRC_DIR`, value: SRC_DIR, ignoreIfSet: true },
{ param: `STATIC_DIR`, value: STATIC_DIR, ignoreIfSet: true },
{ param: `UI_NAME`, value: UI_NAME, ignoreIfSet: true }
]);
}
}
return process.env;
};
/**
* Package for lib
*
* @type {{setupDotenvFilesForEnv: setupDotenvFilesForEnv, setupWebpackDotenvFilesForEnv: setupWebpackDotenvFilesForEnv }}
*/
const dotenv = { setupDotenvFilesForEnv, setupWebpackDotenvFilesForEnv };
module.exports = {
dotenv,
setDotenvParam,
setupWebpackDotenvFile,
setupWebpackDotenvFilesForEnv,
setupDotenvFile,
setupDotenvFilesForEnv
};
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