paths-js/linear.js

Paths.js ========

"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 linear = function linear(_ref, _ref3) {
  var _ref2 = _slicedToArray(_ref, 2);

  var a = _ref2[0];
  var b = _ref2[1];

  var _ref32 = _slicedToArray(_ref3, 2);

  var c = _ref32[0];
  var d = _ref32[1];

  var f = function f(x) {
    return c + (d - c) * (x - a) / (b - a);
  };

  f.inverse = function () {
    return linear([c, d], [a, b]);
  };
  return f;
};

exports["default"] = linear;
module.exports = exports["default"];