@pipepack/enhanced-resolver/lib/NodeResolver.js

yet, reimplement enhanced-resolve with the idea 'simple is best'.

"use strict";

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

var _rxjs = require("rxjs");

var _operators = require("rxjs/operators");

var _parse = require("./operators/parse");

var _replenish = require("./operators/replenish");

var _probe = require("./operators/probe");

var _possible = require("./operators/possible");

var _as = require("./observable/as");

var _promisify = require("./utils/promisify");

/**
 * @description - resolve relative module only
 * @author - huang.jian <hjj491229492@hotmail.com>
 */
// package
class NodeResolver {
  constructor(options) {
    this.options = options;
  }

  async resolve(material) {
    const {
      fs,
      mainFiles,
      mainFields,
      descriptionFiles,
      extensions,
      modules
    } = this.options;
    const pipeline$ = (0, _rxjs.of)(material).pipe( // parse reference path, split hash and query disturbe
    (0, _parse.parse)(), // spread node module search paths
    (0, _possible.possible)(fs, modules), // implement standard file detection
    (0, _operators.concatMap)(request => (0, _rxjs.concat)( // consider as file
    (0, _as.asFile)(request), // consider as module, which reference has standalone description file
    (0, _as.asModule)(request, {
      fs,
      mainFields,
      descriptionFiles
    }), // consider as directory
    (0, _as.asDirectory)(request, {
      fs,
      mainFiles
    }))), // replenish missing extension
    (0, _replenish.replenish)(extensions), // only care about file match
    (0, _probe.probe)(fs));
    return (0, _promisify.promisify)(pipeline$);
  }

}

exports.NodeResolver = NodeResolver;
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