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node_modules/postcss-url/src/lib/get-file.js 946 Bytes
aaac7fed   liuqimichale   add
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  'use strict';
  
  const fs = require('fs');
  const mime = require('mime');
  
  const getPathByBasePath = require('./paths').getPathByBasePath;
  
  /**
   *
   * @param {PostcssUrl~Asset} asset
   * @param {PostcssUrl~Options} options
   * @param {PostcssUrl~Dir} dir
   * @param {Function} warn
   * @returns {PostcssUrl~File}
   */
  const getFile = (asset, options, dir, warn) => {
      const paths = options.basePath
          ? getPathByBasePath(options.basePath, dir.from, asset.pathname)
          : [asset.absolutePath];
      const filePath = paths.find(fs.existsSync);
  
      if (!filePath) {
          warn(`Can't read file '${paths.join()}', ignoring`);
  
          return;
      }
  
      return {
          path: filePath,
          contents: fs.readFileSync(filePath),
          mimeType: mime.lookup(filePath)
      };
  };
  
  module.exports = getFile;
  
  /**
   * @typedef {Object} PostcssUrl~File
   * @property {String} path
   * @property {Buffer} contents
   * @property {String} mimeType
   */