reduxen/match.js

Redux-first router

"use strict";

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

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

var match = function match(pattern, path) {
  var patternParts = pattern.split("/").slice(1);

  var matchPattern = function matchPattern(path) {
    var pathParts = path.split("/").slice(1);

    if (patternParts.length > pathParts.length && patternParts.length + 1 !== pathParts.length && patternParts.slice(-1)[0] !== "*") {
      return null;
    }

    if (patternParts.length < pathParts.length && patternParts.slice(-1)[0] !== "*") {
      return null;
    }

    return patternParts.map(function (patternPart, index) {
      return [patternPart, pathParts[index]];
    }).reduce(function (params, _ref) {
      var _ref2 = _slicedToArray(_ref, 2),
          patternPart = _ref2[0],
          pathPart = _ref2[1];

      if (!params) {
        return null;
      }

      if (patternPart === "?" || patternPart === "*") {
        return params;
      }

      if (patternPart[0] === ":") {
        if (patternPart[patternPart.length - 1] === ")" && patternPart.includes("(")) {
          var splittedPatternPart = patternPart.split("(");

          var options = splittedPatternPart[1].slice(0, -1).split("|");

          if (options.includes(pathPart)) {
            var paramName = splittedPatternPart[0].slice(1);

            params[paramName] = pathPart;

            return params;
          } else {
            return null;
          }
        } else {
          params[patternPart.slice(1)] = pathPart;

          return params;
        }
      }

      if (patternPart[0] === "(" && patternPart[patternPart.length - 1] === ")") {
        if (patternPart.slice(1, -1).split("|").includes(pathPart)) {
          return params;
        } else {
          return null;
        }
      }

      if (patternPart === pathPart) {
        return params;
      }

      return null;
    }, {});
  };

  return path !== undefined ? matchPattern(path) : matchPattern;
};

exports.default = match;