victory-vendor/lib-vendor/d3-scale/src/linear.js

Vendored dependencies for Victory

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = linear;
exports.linearish = linearish;
var _index = require("../../../lib-vendor/d3-array/src/index.js");
var _continuous = _interopRequireWildcard(require("./continuous.js"));
var _init = require("./init.js");
var _tickFormat = _interopRequireDefault(require("./tickFormat.js"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function linearish(scale) {
  var domain = scale.domain;
  scale.ticks = function (count) {
    var d = domain();
    return (0, _index.ticks)(d[0], d[d.length - 1], count == null ? 10 : count);
  };
  scale.tickFormat = function (count, specifier) {
    var d = domain();
    return (0, _tickFormat.default)(d[0], d[d.length - 1], count == null ? 10 : count, specifier);
  };
  scale.nice = function (count) {
    if (count == null) count = 10;
    var d = domain();
    var i0 = 0;
    var i1 = d.length - 1;
    var start = d[i0];
    var stop = d[i1];
    var prestep;
    var step;
    var maxIter = 10;
    if (stop < start) {
      step = start, start = stop, stop = step;
      step = i0, i0 = i1, i1 = step;
    }
    while (maxIter-- > 0) {
      step = (0, _index.tickIncrement)(start, stop, count);
      if (step === prestep) {
        d[i0] = start;
        d[i1] = stop;
        return domain(d);
      } else if (step > 0) {
        start = Math.floor(start / step) * step;
        stop = Math.ceil(stop / step) * step;
      } else if (step < 0) {
        start = Math.ceil(start * step) / step;
        stop = Math.floor(stop * step) / step;
      } else {
        break;
      }
      prestep = step;
    }
    return scale;
  };
  return scale;
}
function linear() {
  var scale = (0, _continuous.default)();
  scale.copy = function () {
    return (0, _continuous.copy)(scale, linear());
  };
  _init.initRange.apply(scale, arguments);
  return linearish(scale);
}