next-compose-plugins/lib/phases.js

Provides a cleaner API for enabling and configuring plugins for next.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.mergePhaseConfiguration = exports.isInCurrentPhase = void 0;

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 * Check if the current phase is in the phase config and so a plugin should get applied
 *
 * @param {string} currentPhase - current phase
 * @param {array|string} phaseConfig - phase config in an array ([PHASE1, PHASE2])
 *                                     or string (PHASE1 + PHASE2)
 */
const isInCurrentPhase = (currentPhase, phaseConfig) => {
  // phase config can be an array or string, so always convert it to a string
  const parsedPhaseConfig = phaseConfig instanceof Array ? phaseConfig.join('') : phaseConfig; // negate the check

  if (parsedPhaseConfig.substr(0, 1) === '!') {
    return parsedPhaseConfig.indexOf(currentPhase) < 0;
  }

  return parsedPhaseConfig.indexOf(currentPhase) >= 0;
};
/**
 * Merge the configuration of a plugin with specific values only applied on the current phase
 *
 * @param {string} currentPhase - current phase
 * @param {object} config - plugin configuration
 */


exports.isInCurrentPhase = isInCurrentPhase;

const mergePhaseConfiguration = (currentPhase, config) => {
  let mergedConfig = {};
  Object.keys(config).forEach(key => {
    if (key.startsWith('phase-') || key.startsWith('!phase-')) {
      if (isInCurrentPhase(currentPhase, key)) {
        mergedConfig = _objectSpread({}, mergedConfig, config[key]);
      }
    } else {
      mergedConfig[key] = config[key];
    }
  });
  return mergedConfig;
};

exports.mergePhaseConfiguration = mergePhaseConfiguration;