image-minimizer-webpack-plugin/dist/utils/normalize-config.js

Webpack loader and plugin to optimize (compress) images using imagemin

"use strict";

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

var _full = require("klona/full");

class InvalidConfigError extends Error {}

function log(error, metaData, type) {
  if (metaData.result) {
    if (type === 'error') {
      metaData.result.errors.push(error);
    } else {
      metaData.result.warnings.push(error);
    }

    return;
  }

  throw error;
}

function normalizeConfig(minimizerOptions, metaData = {}) {
  if (!minimizerOptions || !minimizerOptions.plugins || minimizerOptions.plugins && minimizerOptions.plugins.length === 0) {
    log(new Error('No plugins found for `imagemin`. Please read documentation.'), metaData);
    return minimizerOptions;
  }

  const imageminConfig = (0, _full.klona)(minimizerOptions);

  if (!imageminConfig.pluginsMeta) {
    imageminConfig.pluginsMeta = [];
  }

  imageminConfig.plugins = imageminConfig.plugins.map(plugin => {
    const isPluginArray = Array.isArray(plugin);

    if (typeof plugin === 'string' || isPluginArray) {
      const pluginName = isPluginArray ? plugin[0] : plugin; // eslint-disable-next-line no-undefined

      const pluginOptions = isPluginArray ? plugin[1] : undefined;
      let requiredPlugin = null;
      let requiredPluginName = `imagemin-${pluginName}`;

      try {
        // eslint-disable-next-line import/no-dynamic-require, global-require
        requiredPlugin = require(requiredPluginName)(pluginOptions);
      } catch (ignoreError) {
        requiredPluginName = pluginName;

        try {
          // eslint-disable-next-line import/no-dynamic-require, global-require
          requiredPlugin = require(requiredPluginName)(pluginOptions);
        } catch (ignoreError1) {
          const pluginNameForError = pluginName.startsWith('imagemin') ? pluginName : `imagemin-${pluginName}`;
          log(new Error(`Unknown plugin: ${pluginNameForError}\n\nDid you forget to install the plugin?\nYou can install it with:\n\n$ npm install ${pluginNameForError} --save-dev\n$ yarn add ${pluginNameForError} --dev`), metaData);
          return false;
        } // Nothing

      }

      let version = 'unknown';

      try {
        // eslint-disable-next-line import/no-dynamic-require, global-require
        ({
          version
        } = require(`${requiredPluginName}/package.json`));
      } catch (ignoreVersion) {// Nothing
      }

      imageminConfig.pluginsMeta.push([{
        name: requiredPluginName,
        options: pluginOptions || {},
        version
      }]);
      return requiredPlugin;
    }

    log(new InvalidConfigError(`Invalid plugin configuration "${JSON.stringify(plugin)}, plugin configuraion should be 'string' or '[string, object]'"`), metaData, 'error');
    return false;
  }).filter(Boolean);
  return imageminConfig;
}

var _default = normalizeConfig;
exports.default = _default;