@pipepack/enhanced-resolver/lib/operators/possible.js

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

"use strict";

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

var _rxjs = require("rxjs");

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

var _possible2 = require("../observable/possible");

var _constant = require("../utils/constant");

// package
// internal
function possible(fs, modules) {
  return (0, _rxjs.pipe)( // use concatMap to spread directory series, limit parallel
  (0, _operators.concatMap)(request => (0, _rxjs.iif)(() => request.channel !== _constant.Channel.Node, // when reference not node module, just pass through
  (0, _rxjs.of)(request), // when reference consider as node module, spread possible contexts
  (0, _possible2.possible)(fs, modules, request))));
}
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