recharts-scale - npm Package Compare versions

Comparing version 0.4.0 to 0.4.2

CHANGELOG.md

@@ -0,1 +1,7 @@
+## 0.4.0 (Seq 28, 2018)
+
+### feat
+
+- use `decimal.js-light` to handle large number or high precision
+
 ## 0.3.2 (Aug 21, 2017)
@@ -2,0 +8,0 @@

es6/getNiceTickValues.js

@@ -1,30 +0,26 @@
-'use strict';
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
 
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.getTickValuesFixedDomain = exports.getTickValues = exports.getNiceTickValues = undefined;
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
 
-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"); } }; }(); /**
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * @fileOverview calculate tick values of scale
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * @author xile611, arcthur
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * @date 2015-09-17
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          */
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
 
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
 
-var _decimal = require('decimal.js-light');
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
 
-var _decimal2 = _interopRequireDefault(_decimal);
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
 
-var _utils = require('./util/utils');
+function _iterableToArrayLimit(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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
 
-var _arithmetic = require('./util/arithmetic');
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
 
-var _arithmetic2 = _interopRequireDefault(_arithmetic);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
-
 /**
+ * @fileOverview calculate tick values of scale
+ * @author xile611, arcthur
+ * @date 2015-09-17
+ */
+import Decimal from 'decimal.js-light';
+import { compose, range, memoize, map, reverse } from './util/utils';
+import Arithmetic from './util/arithmetic';
+/**
  * Calculate a interval of a minimum value and a maximum value
@@ -36,2 +32,3 @@ *
  */
+
 function getValidInterval(_ref) {
@@ -43,6 +40,4 @@ var _ref2 = _slicedToArray(_ref, 2),
   var validMin = min,
-      validMax = max;
+      validMax = max; // exchange
 
-  // exchange
-
   if (min > max) {
@@ -55,3 +50,2 @@ validMin = max;
 }
-
 /**
@@ -66,21 +60,20 @@ * Calculate the step which is easy to understand between ticks, like 10, 20, 25
  */
+
+
 function getFormatStep(roughStep, allowDecimals, correctionFactor) {
   if (roughStep.lte(0)) {
-    return new _decimal2.default(0);
+    return new Decimal(0);
   }
 
-  var digitCount = _arithmetic2.default.getDigitCount(roughStep.toNumber());
-  // The ratio between the rough step and the smallest number which has a bigger
+  var digitCount = Arithmetic.getDigitCount(roughStep.toNumber()); // The ratio between the rough step and the smallest number which has a bigger
   // order of magnitudes than the rough step
-  var digitCountValue = new _decimal2.default(10).pow(digitCount);
-  var stepRatio = roughStep.div(digitCountValue);
-  // When an integer and a float multiplied, the accuracy of result may be wrong
+
+  var digitCountValue = new Decimal(10).pow(digitCount);
+  var stepRatio = roughStep.div(digitCountValue); // When an integer and a float multiplied, the accuracy of result may be wrong
+
   var stepRatioScale = digitCount !== 1 ? 0.05 : 0.1;
-  var amendStepRatio = new _decimal2.default(Math.ceil(stepRatio.div(stepRatioScale).toNumber())).add(correctionFactor).mul(stepRatioScale);
-
+  var amendStepRatio = new Decimal(Math.ceil(stepRatio.div(stepRatioScale).toNumber())).add(correctionFactor).mul(stepRatioScale);
   var formatStep = amendStepRatio.mul(digitCountValue);
-
-  return allowDecimals ? formatStep : new _decimal2.default(Math.ceil(formatStep));
+  return allowDecimals ? formatStep : new Decimal(Math.ceil(formatStep));
 }
-
 /**
@@ -94,7 +87,9 @@ * calculate the ticks when the minimum value equals to the maximum value
  */
+
+
 function getTickOfSingleValue(value, tickCount, allowDecimals) {
-  var step = 1;
-  // calculate the middle value of ticks
-  var middle = new _decimal2.default(value);
+  var step = 1; // calculate the middle value of ticks
 
+  var middle = new Decimal(value);
+
   if (!middle.isint() && allowDecimals) {
@@ -105,24 +100,20 @@ var absVal = Math.abs(value);
       // The step should be a float number when the difference is smaller than 1
-      step = new _decimal2.default(10).pow(_arithmetic2.default.getDigitCount(value) - 1);
-
-      middle = new _decimal2.default(Math.floor(middle.div(step).toNumber())).mul(step);
+      step = new Decimal(10).pow(Arithmetic.getDigitCount(value) - 1);
+      middle = new Decimal(Math.floor(middle.div(step).toNumber())).mul(step);
     } else if (absVal > 1) {
       // Return the maximum integer which is smaller than 'value' when 'value' is greater than 1
-      middle = new _decimal2.default(Math.floor(value));
+      middle = new Decimal(Math.floor(value));
     }
   } else if (value === 0) {
-    middle = new _decimal2.default(Math.floor((tickCount - 1) / 2));
+    middle = new Decimal(Math.floor((tickCount - 1) / 2));
   } else if (!allowDecimals) {
-    middle = new _decimal2.default(Math.floor(value));
+    middle = new Decimal(Math.floor(value));
   }
 
   var middleIndex = Math.floor((tickCount - 1) / 2);
-
-  var fn = (0, _utils.compose)((0, _utils.map)(function (n) {
-    return middle.add(new _decimal2.default(n - middleIndex).mul(step)).toNumber();
-  }), _utils.range);
-
+  var fn = compose(map(function (n) {
+    return middle.add(new Decimal(n - middleIndex).mul(step)).toNumber();
+  }), range);
   return fn(0, tickCount);
 }
-
 /**
@@ -138,2 +129,4 @@ * Calculate the step
  */
+
+
 function calculateStep(min, max, tickCount, allowDecimals) {
@@ -145,26 +138,24 @@ var correctionFactor = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
     return {
-      step: new _decimal2.default(0),
-      tickMin: new _decimal2.default(0),
-      tickMax: new _decimal2.default(0)
+      step: new Decimal(0),
+      tickMin: new Decimal(0),
+      tickMax: new Decimal(0)
     };
-  }
+  } // The step which is easy to understand between two ticks
 
-  // The step which is easy to understand between two ticks
-  var step = getFormatStep(new _decimal2.default(max).sub(min).div(tickCount - 1), allowDecimals, correctionFactor);
 
-  // A medial value of ticks
-  var middle = void 0;
+  var step = getFormatStep(new Decimal(max).sub(min).div(tickCount - 1), allowDecimals, correctionFactor); // A medial value of ticks
 
-  // When 0 is inside the interval, 0 should be a tick
+  var middle; // When 0 is inside the interval, 0 should be a tick
+
   if (min <= 0 && max >= 0) {
-    middle = new _decimal2.default(0);
+    middle = new Decimal(0);
   } else {
     // calculate the middle value
-    middle = new _decimal2.default(min).add(max).div(2);
-    // minus modulo value
-    middle = middle.sub(new _decimal2.default(middle).mod(step));
+    middle = new Decimal(min).add(max).div(2); // minus modulo value
+
+    middle = middle.sub(new Decimal(middle).mod(step));
   }
 
   var belowCount = Math.ceil(middle.sub(min).div(step).toNumber());
-  var upCount = Math.ceil(new _decimal2.default(max).sub(middle).div(step).toNumber());
+  var upCount = Math.ceil(new Decimal(max).sub(middle).div(step).toNumber());
   var scaleCount = belowCount + upCount + 1;
@@ -175,3 +166,5 @@
     return calculateStep(min, max, tickCount, allowDecimals, correctionFactor + 1);
-  } else if (scaleCount < tickCount) {
+  }
+
+  if (scaleCount < tickCount) {
     // When less ticks can cover the interval, we should add some additional ticks
@@ -184,8 +177,8 @@ upCount = max > 0 ? upCount + (tickCount - scaleCount) : upCount;
     step: step,
-    tickMin: middle.sub(new _decimal2.default(belowCount).mul(step)),
-    tickMax: middle.add(new _decimal2.default(upCount).mul(step))
+    tickMin: middle.sub(new Decimal(belowCount).mul(step)),
+    tickMax: middle.add(new Decimal(upCount).mul(step))
   };
 }
 /**
- * Calculate the ticks of an interval
+ * Calculate the ticks of an interval, the count of ticks will be guraranteed
  *
@@ -197,2 +190,4 @@ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
  */
+
+
 function getNiceTickValuesFn(_ref3) {
@@ -205,3 +200,2 @@ var _ref4 = _slicedToArray(_ref3, 2),
   var allowDecimals = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
-
   // More than two ticks should be return
@@ -215,7 +209,16 @@ var count = Math.max(tickCount, 2);
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    var _values = cormax === Infinity ? [cormin].concat(_toConsumableArray(range(0, tickCount - 1).map(function () {
+      return Infinity;
+    }))) : _toConsumableArray(range(0, tickCount - 1).map(function () {
+      return -Infinity;
+    })).concat([cormax]);
+
+    return min > max ? reverse(_values) : _values;
+  }
+
   if (cormin === cormax) {
     return getTickOfSingleValue(cormin, tickCount, allowDecimals);
-  }
+  } // Get the step between two ticks
 
-  // Get the step between two ticks
 
@@ -227,7 +230,15 @@ var _calculateStep = calculateStep(cormin, cormax, count, allowDecimals),
 
-  var values = _arithmetic2.default.rangeStep(tickMin, tickMax.add(new _decimal2.default(0.1).mul(step)), step);
-
-  return min > max ? (0, _utils.reverse)(values) : values;
+  var values = Arithmetic.rangeStep(tickMin, tickMax.add(new Decimal(0.1).mul(step)), step);
+  return min > max ? reverse(values) : values;
 }
+/**
+ * Calculate the ticks of an interval, the count of ticks won't be guraranteed
+ *
+ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
+ * @param  {Integer} tickCount     The count of ticks
+ * @param  {Boolean} allowDecimals Allow the ticks to be decimals or not
+ * @return {Array}   ticks
+ */
 
+
 function getTickValuesFn(_ref5) {
@@ -240,3 +251,2 @@ var _ref6 = _slicedToArray(_ref5, 2),
   var allowDecimals = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
-
   // More than two ticks should be return
@@ -250,2 +260,6 @@ var count = Math.max(tickCount, 2);
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    return [min, max];
+  }
+
   if (cormin === cormax) {
@@ -255,15 +269,22 @@ return getTickOfSingleValue(cormin, tickCount, allowDecimals);
 
-  var step = getFormatStep(new _decimal2.default(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
-
-  var fn = (0, _utils.compose)((0, _utils.map)(function (n) {
-    return new _decimal2.default(cormin).add(new _decimal2.default(n).mul(step)).toNumber();
-  }), _utils.range);
-
+  var step = getFormatStep(new Decimal(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
+  var fn = compose(map(function (n) {
+    return new Decimal(cormin).add(new Decimal(n).mul(step)).toNumber();
+  }), range);
   var values = fn(0, count).filter(function (entry) {
     return entry >= cormin && entry <= cormax;
   });
-
-  return min > max ? (0, _utils.reverse)(values) : values;
+  return min > max ? reverse(values) : values;
 }
+/**
+ * Calculate the ticks of an interval, the count of ticks won't be guraranteed,
+ * but the domain will be guaranteed
+ *
+ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
+ * @param  {Integer} tickCount     The count of ticks
+ * @param  {Boolean} allowDecimals Allow the ticks to be decimals or not
+ * @return {Array}   ticks
+ */
 
+
 function getTickValuesFixedDomainFn(_ref7, tickCount) {
@@ -282,2 +303,6 @@ var _ref8 = _slicedToArray(_ref7, 2),
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    return [min, max];
+  }
+
   if (cormin === cormax) {
@@ -288,10 +313,11 @@ return [cormin];
   var count = Math.max(tickCount, 2);
-  var step = getFormatStep(new _decimal2.default(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
-  var values = [].concat(_toConsumableArray(_arithmetic2.default.rangeStep(new _decimal2.default(cormin), new _decimal2.default(cormax).sub(new _decimal2.default(0.99).mul(step)), step)), [cormax]);
+  var step = getFormatStep(new Decimal(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
 
-  return min > max ? (0, _utils.reverse)(values) : values;
+  var values = _toConsumableArray(Arithmetic.rangeStep(new Decimal(cormin), new Decimal(cormax).sub(new Decimal(0.99).mul(step)), step)).concat([cormax]);
+
+  return min > max ? reverse(values) : values;
 }
 
-var getNiceTickValues = exports.getNiceTickValues = (0, _utils.memoize)(getNiceTickValuesFn);
-var getTickValues = exports.getTickValues = (0, _utils.memoize)(getTickValuesFn);
-var getTickValuesFixedDomain = exports.getTickValuesFixedDomain = (0, _utils.memoize)(getTickValuesFixedDomainFn);
+export var getNiceTickValues = memoize(getNiceTickValuesFn);
+export var getTickValues = memoize(getTickValuesFn);
+export var getTickValuesFixedDomain = memoize(getTickValuesFixedDomainFn);

es6/index.js

@@ -1,26 +0,1 @@
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _getNiceTickValues = require('./getNiceTickValues');
-
-Object.defineProperty(exports, 'getTickValues', {
-  enumerable: true,
-  get: function get() {
-    return _getNiceTickValues.getTickValues;
-  }
-});
-Object.defineProperty(exports, 'getNiceTickValues', {
-  enumerable: true,
-  get: function get() {
-    return _getNiceTickValues.getNiceTickValues;
-  }
-});
-Object.defineProperty(exports, 'getTickValuesFixedDomain', {
-  enumerable: true,
-  get: function get() {
-    return _getNiceTickValues.getTickValuesFixedDomain;
-  }
-});
+export { getTickValues, getNiceTickValues, getTickValuesFixedDomain } from './getNiceTickValues';

es6/util/arithmetic.js

@@ -1,16 +0,9 @@
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _decimal = require('decimal.js-light');
-
-var _decimal2 = _interopRequireDefault(_decimal);
-
-var _utils = require('./utils');
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
 /**
+ * @fileOverview 一些公用的运算方法
+ * @author xile611
+ * @date 2015-09-17
+ */
+import Decimal from 'decimal.js-light';
+import { curry } from './utils';
+/**
  * 获取数值的位数
@@ -24,9 +17,5 @@ * 其中绝对值属于区间[0.1, 1)， 得到的值为0
  */
-/**
- * @fileOverview 一些公用的运算方法
- * @author xile611
- * @date 2015-09-17
- */
+
 function getDigitCount(value) {
-  var result = void 0;
+  var result;
 
@@ -36,3 +25,3 @@ if (value === 0) {
   } else {
-    result = Math.floor(new _decimal2.default(value).abs().log(10).toNumber()) + 1;
+    result = Math.floor(new Decimal(value).abs().log(10).toNumber()) + 1;
   }
@@ -42,3 +31,2 @@
 }
-
 /**
@@ -53,4 +41,6 @@ * 按照固定的步长获取[start, end)这个区间的数据
  */
+
+
 function rangeStep(start, end, step) {
-  var num = new _decimal2.default(start);
+  var num = new Decimal(start);
   var result = [];
@@ -60,3 +50,2 @@
     result.push(num.toNumber());
-
     num = num.add(step);
@@ -75,6 +64,7 @@ }
  */
-var interpolateNumber = (0, _utils.curry)(function (a, b, t) {
+
+
+var interpolateNumber = curry(function (a, b, t) {
   var newA = +a;
   var newB = +b;
-
   return newA + t * (newB - newA);
@@ -90,7 +80,6 @@ });
  */
-var uninterpolateNumber = (0, _utils.curry)(function (a, b, x) {
+
+var uninterpolateNumber = curry(function (a, b, x) {
   var diff = b - +a;
-
   diff = diff || Infinity;
-
   return (x - a) / diff;
@@ -107,14 +96,11 @@ });
  */
-var uninterpolateTruncation = (0, _utils.curry)(function (a, b, x) {
+
+var uninterpolateTruncation = curry(function (a, b, x) {
   var diff = b - +a;
-
   diff = diff || Infinity;
-
   return Math.max(0, Math.min(1, (x - a) / diff));
 });
-
-exports.default = {
+export default {
   rangeStep: rangeStep,
   getDigitCount: getDigitCount,
-
   interpolateNumber: interpolateNumber,
@@ -121,0 +107,0 @@ uninterpolateNumber: uninterpolateNumber,

es6/util/utils.js

@@ -1,9 +0,9 @@
-'use strict';
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
 
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
 
-function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
 
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
+
 var identity = function identity(i) {
@@ -13,3 +13,3 @@ return i;
 
-var PLACE_HOLDER = exports.PLACE_HOLDER = {
+export var PLACE_HOLDER = {
   '@@functional/placeholder': true
@@ -28,3 +28,3 @@ };
 
-    return fn.apply(undefined, arguments);
+    return fn.apply(void 0, arguments);
   };
@@ -39,3 +39,3 @@ };
   return curry0(function () {
-    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
       args[_key] = arguments[_key];
@@ -49,7 +49,7 @@ }
     if (argsLength >= n) {
-      return fn.apply(undefined, args);
+      return fn.apply(void 0, args);
     }
 
     return curryN(n - argsLength, curry0(function () {
-      for (var _len2 = arguments.length, restArgs = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      for (var _len2 = arguments.length, restArgs = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
         restArgs[_key2] = arguments[_key2];
@@ -61,4 +61,3 @@ }
       });
-
-      return fn.apply(undefined, _toConsumableArray(newArgs).concat(restArgs));
+      return fn.apply(void 0, _toConsumableArray(newArgs).concat(restArgs));
     }));
@@ -68,7 +67,6 @@ });
 
-var curry = exports.curry = function curry(fn) {
+export var curry = function curry(fn) {
   return curryN(fn.length, fn);
 };
-
-var range = exports.range = function range(begin, end) {
+export var range = function range(begin, end) {
   var arr = [];
@@ -82,4 +80,3 @@
 };
-
-var map = exports.map = curry(function (fn, arr) {
+export var map = curry(function (fn, arr) {
   if (Array.isArray(arr)) {
@@ -93,5 +90,4 @@ return arr.map(fn);
 });
-
-var compose = exports.compose = function compose() {
-  for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+export var compose = function compose() {
+  for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
     args[_key3] = arguments[_key3];
@@ -104,29 +100,25 @@ }
 
-  var fns = args.reverse();
-  // first function can receive multiply arguments
+  var fns = args.reverse(); // first function can receive multiply arguments
+
   var firstFn = fns[0];
   var tailsFn = fns.slice(1);
-
   return function () {
     return tailsFn.reduce(function (res, fn) {
       return fn(res);
-    }, firstFn.apply(undefined, arguments));
+    }, firstFn.apply(void 0, arguments));
   };
 };
-
-var reverse = exports.reverse = function reverse(arr) {
+export var reverse = function reverse(arr) {
   if (Array.isArray(arr)) {
     return arr.reverse();
-  }
+  } // can be string
 
-  // can be string
+
   return arr.split('').reverse.join('');
 };
-
-var memoize = exports.memoize = function memoize(fn) {
+export var memoize = function memoize(fn) {
   var lastArgs = null;
   var lastResult = null;
-
   return function () {
-    for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+    for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
       args[_key4] = arguments[_key4];
@@ -142,6 +134,5 @@ }
     lastArgs = args;
-    lastResult = fn.apply(undefined, args);
-
+    lastResult = fn.apply(void 0, args);
     return lastResult;
   };
 };

lib/getNiceTickValues.js

@@ -1,2 +0,2 @@
-'use strict';
+"use strict";
 
@@ -6,25 +6,28 @@ Object.defineProperty(exports, "__esModule", {
 });
-exports.getTickValuesFixedDomain = exports.getTickValues = exports.getNiceTickValues = undefined;
+exports.getTickValuesFixedDomain = exports.getTickValues = exports.getNiceTickValues = void 0;
 
-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"); } }; }(); /**
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * @fileOverview calculate tick values of scale
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * @author xile611, arcthur
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * @date 2015-09-17
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          */
+var _decimal = _interopRequireDefault(require("decimal.js-light"));
 
+var _utils = require("./util/utils");
 
-var _decimal = require('decimal.js-light');
+var _arithmetic = _interopRequireDefault(require("./util/arithmetic"));
 
-var _decimal2 = _interopRequireDefault(_decimal);
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-var _utils = require('./util/utils');
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
 
-var _arithmetic = require('./util/arithmetic');
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
 
-var _arithmetic2 = _interopRequireDefault(_arithmetic);
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
 
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
 
-function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
 
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
 /**
@@ -43,6 +46,4 @@ * Calculate a interval of a minimum value and a maximum value
   var validMin = min,
-      validMax = max;
+      validMax = max; // exchange
 
-  // exchange
-
   if (min > max) {
@@ -55,3 +56,2 @@ validMin = max;
 }
-
 /**
@@ -66,21 +66,21 @@ * Calculate the step which is easy to understand between ticks, like 10, 20, 25
  */
+
+
 function getFormatStep(roughStep, allowDecimals, correctionFactor) {
   if (roughStep.lte(0)) {
-    return new _decimal2.default(0);
+    return new _decimal.default(0);
   }
 
-  var digitCount = _arithmetic2.default.getDigitCount(roughStep.toNumber());
-  // The ratio between the rough step and the smallest number which has a bigger
+  var digitCount = _arithmetic.default.getDigitCount(roughStep.toNumber()); // The ratio between the rough step and the smallest number which has a bigger
   // order of magnitudes than the rough step
-  var digitCountValue = new _decimal2.default(10).pow(digitCount);
-  var stepRatio = roughStep.div(digitCountValue);
-  // When an integer and a float multiplied, the accuracy of result may be wrong
+
+
+  var digitCountValue = new _decimal.default(10).pow(digitCount);
+  var stepRatio = roughStep.div(digitCountValue); // When an integer and a float multiplied, the accuracy of result may be wrong
+
   var stepRatioScale = digitCount !== 1 ? 0.05 : 0.1;
-  var amendStepRatio = new _decimal2.default(Math.ceil(stepRatio.div(stepRatioScale).toNumber())).add(correctionFactor).mul(stepRatioScale);
-
+  var amendStepRatio = new _decimal.default(Math.ceil(stepRatio.div(stepRatioScale).toNumber())).add(correctionFactor).mul(stepRatioScale);
   var formatStep = amendStepRatio.mul(digitCountValue);
-
-  return allowDecimals ? formatStep : new _decimal2.default(Math.ceil(formatStep));
+  return allowDecimals ? formatStep : new _decimal.default(Math.ceil(formatStep));
 }
-
 /**
@@ -94,7 +94,9 @@ * calculate the ticks when the minimum value equals to the maximum value
  */
+
+
 function getTickOfSingleValue(value, tickCount, allowDecimals) {
-  var step = 1;
-  // calculate the middle value of ticks
-  var middle = new _decimal2.default(value);
+  var step = 1; // calculate the middle value of ticks
 
+  var middle = new _decimal.default(value);
+
   if (!middle.isint() && allowDecimals) {
@@ -105,24 +107,20 @@ var absVal = Math.abs(value);
       // The step should be a float number when the difference is smaller than 1
-      step = new _decimal2.default(10).pow(_arithmetic2.default.getDigitCount(value) - 1);
-
-      middle = new _decimal2.default(Math.floor(middle.div(step).toNumber())).mul(step);
+      step = new _decimal.default(10).pow(_arithmetic.default.getDigitCount(value) - 1);
+      middle = new _decimal.default(Math.floor(middle.div(step).toNumber())).mul(step);
     } else if (absVal > 1) {
       // Return the maximum integer which is smaller than 'value' when 'value' is greater than 1
-      middle = new _decimal2.default(Math.floor(value));
+      middle = new _decimal.default(Math.floor(value));
     }
   } else if (value === 0) {
-    middle = new _decimal2.default(Math.floor((tickCount - 1) / 2));
+    middle = new _decimal.default(Math.floor((tickCount - 1) / 2));
   } else if (!allowDecimals) {
-    middle = new _decimal2.default(Math.floor(value));
+    middle = new _decimal.default(Math.floor(value));
   }
 
   var middleIndex = Math.floor((tickCount - 1) / 2);
-
   var fn = (0, _utils.compose)((0, _utils.map)(function (n) {
-    return middle.add(new _decimal2.default(n - middleIndex).mul(step)).toNumber();
+    return middle.add(new _decimal.default(n - middleIndex).mul(step)).toNumber();
   }), _utils.range);
-
   return fn(0, tickCount);
 }
-
 /**
@@ -138,2 +136,4 @@ * Calculate the step
  */
+
+
 function calculateStep(min, max, tickCount, allowDecimals) {
@@ -145,26 +145,24 @@ var correctionFactor = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
     return {
-      step: new _decimal2.default(0),
-      tickMin: new _decimal2.default(0),
-      tickMax: new _decimal2.default(0)
+      step: new _decimal.default(0),
+      tickMin: new _decimal.default(0),
+      tickMax: new _decimal.default(0)
     };
-  }
+  } // The step which is easy to understand between two ticks
 
-  // The step which is easy to understand between two ticks
-  var step = getFormatStep(new _decimal2.default(max).sub(min).div(tickCount - 1), allowDecimals, correctionFactor);
 
-  // A medial value of ticks
-  var middle = void 0;
+  var step = getFormatStep(new _decimal.default(max).sub(min).div(tickCount - 1), allowDecimals, correctionFactor); // A medial value of ticks
 
-  // When 0 is inside the interval, 0 should be a tick
+  var middle; // When 0 is inside the interval, 0 should be a tick
+
   if (min <= 0 && max >= 0) {
-    middle = new _decimal2.default(0);
+    middle = new _decimal.default(0);
   } else {
     // calculate the middle value
-    middle = new _decimal2.default(min).add(max).div(2);
-    // minus modulo value
-    middle = middle.sub(new _decimal2.default(middle).mod(step));
+    middle = new _decimal.default(min).add(max).div(2); // minus modulo value
+
+    middle = middle.sub(new _decimal.default(middle).mod(step));
   }
 
   var belowCount = Math.ceil(middle.sub(min).div(step).toNumber());
-  var upCount = Math.ceil(new _decimal2.default(max).sub(middle).div(step).toNumber());
+  var upCount = Math.ceil(new _decimal.default(max).sub(middle).div(step).toNumber());
   var scaleCount = belowCount + upCount + 1;
@@ -175,3 +173,5 @@
     return calculateStep(min, max, tickCount, allowDecimals, correctionFactor + 1);
-  } else if (scaleCount < tickCount) {
+  }
+
+  if (scaleCount < tickCount) {
     // When less ticks can cover the interval, we should add some additional ticks
@@ -184,8 +184,8 @@ upCount = max > 0 ? upCount + (tickCount - scaleCount) : upCount;
     step: step,
-    tickMin: middle.sub(new _decimal2.default(belowCount).mul(step)),
-    tickMax: middle.add(new _decimal2.default(upCount).mul(step))
+    tickMin: middle.sub(new _decimal.default(belowCount).mul(step)),
+    tickMax: middle.add(new _decimal.default(upCount).mul(step))
   };
 }
 /**
- * Calculate the ticks of an interval
+ * Calculate the ticks of an interval, the count of ticks will be guraranteed
  *
@@ -197,2 +197,4 @@ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
  */
+
+
 function getNiceTickValuesFn(_ref3) {
@@ -205,3 +207,2 @@ var _ref4 = _slicedToArray(_ref3, 2),
   var allowDecimals = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
-
   // More than two ticks should be return
@@ -215,7 +216,16 @@ var count = Math.max(tickCount, 2);
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    var _values = cormax === Infinity ? [cormin].concat(_toConsumableArray((0, _utils.range)(0, tickCount - 1).map(function () {
+      return Infinity;
+    }))) : _toConsumableArray((0, _utils.range)(0, tickCount - 1).map(function () {
+      return -Infinity;
+    })).concat([cormax]);
+
+    return min > max ? (0, _utils.reverse)(_values) : _values;
+  }
+
   if (cormin === cormax) {
     return getTickOfSingleValue(cormin, tickCount, allowDecimals);
-  }
+  } // Get the step between two ticks
 
-  // Get the step between two ticks
 
@@ -227,7 +237,16 @@ var _calculateStep = calculateStep(cormin, cormax, count, allowDecimals),
 
-  var values = _arithmetic2.default.rangeStep(tickMin, tickMax.add(new _decimal2.default(0.1).mul(step)), step);
+  var values = _arithmetic.default.rangeStep(tickMin, tickMax.add(new _decimal.default(0.1).mul(step)), step);
 
   return min > max ? (0, _utils.reverse)(values) : values;
 }
+/**
+ * Calculate the ticks of an interval, the count of ticks won't be guraranteed
+ *
+ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
+ * @param  {Integer} tickCount     The count of ticks
+ * @param  {Boolean} allowDecimals Allow the ticks to be decimals or not
+ * @return {Array}   ticks
+ */
 
+
 function getTickValuesFn(_ref5) {
@@ -240,3 +259,2 @@ var _ref6 = _slicedToArray(_ref5, 2),
   var allowDecimals = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
-
   // More than two ticks should be return
@@ -250,2 +268,6 @@ var count = Math.max(tickCount, 2);
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    return [min, max];
+  }
+
   if (cormin === cormax) {
@@ -255,15 +277,22 @@ return getTickOfSingleValue(cormin, tickCount, allowDecimals);
 
-  var step = getFormatStep(new _decimal2.default(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
-
+  var step = getFormatStep(new _decimal.default(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
   var fn = (0, _utils.compose)((0, _utils.map)(function (n) {
-    return new _decimal2.default(cormin).add(new _decimal2.default(n).mul(step)).toNumber();
+    return new _decimal.default(cormin).add(new _decimal.default(n).mul(step)).toNumber();
   }), _utils.range);
-
   var values = fn(0, count).filter(function (entry) {
     return entry >= cormin && entry <= cormax;
   });
-
   return min > max ? (0, _utils.reverse)(values) : values;
 }
+/**
+ * Calculate the ticks of an interval, the count of ticks won't be guraranteed,
+ * but the domain will be guaranteed
+ *
+ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
+ * @param  {Integer} tickCount     The count of ticks
+ * @param  {Boolean} allowDecimals Allow the ticks to be decimals or not
+ * @return {Array}   ticks
+ */
 
+
 function getTickValuesFixedDomainFn(_ref7, tickCount) {
@@ -282,2 +311,6 @@ var _ref8 = _slicedToArray(_ref7, 2),
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    return [min, max];
+  }
+
   if (cormin === cormax) {
@@ -288,10 +321,14 @@ return [cormin];
   var count = Math.max(tickCount, 2);
-  var step = getFormatStep(new _decimal2.default(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
-  var values = [].concat(_toConsumableArray(_arithmetic2.default.rangeStep(new _decimal2.default(cormin), new _decimal2.default(cormax).sub(new _decimal2.default(0.99).mul(step)), step)), [cormax]);
+  var step = getFormatStep(new _decimal.default(cormax).sub(cormin).div(count - 1), allowDecimals, 0);
 
+  var values = _toConsumableArray(_arithmetic.default.rangeStep(new _decimal.default(cormin), new _decimal.default(cormax).sub(new _decimal.default(0.99).mul(step)), step)).concat([cormax]);
+
   return min > max ? (0, _utils.reverse)(values) : values;
 }
 
-var getNiceTickValues = exports.getNiceTickValues = (0, _utils.memoize)(getNiceTickValuesFn);
-var getTickValues = exports.getTickValues = (0, _utils.memoize)(getTickValuesFn);
-var getTickValuesFixedDomain = exports.getTickValuesFixedDomain = (0, _utils.memoize)(getTickValuesFixedDomainFn);
+var getNiceTickValues = (0, _utils.memoize)(getNiceTickValuesFn);
+exports.getNiceTickValues = getNiceTickValues;
+var getTickValues = (0, _utils.memoize)(getTickValuesFn);
+exports.getTickValues = getTickValues;
+var getTickValuesFixedDomain = (0, _utils.memoize)(getTickValuesFixedDomainFn);
+exports.getTickValuesFixedDomain = getTickValuesFixedDomain;

lib/index.js

@@ -1,2 +0,2 @@
-'use strict';
+"use strict";
 
@@ -6,6 +6,3 @@ Object.defineProperty(exports, "__esModule", {
 });
-
-var _getNiceTickValues = require('./getNiceTickValues');
-
-Object.defineProperty(exports, 'getTickValues', {
+Object.defineProperty(exports, "getTickValues", {
   enumerable: true,
@@ -16,3 +13,3 @@ get: function get() {
 });
-Object.defineProperty(exports, 'getNiceTickValues', {
+Object.defineProperty(exports, "getNiceTickValues", {
   enumerable: true,
@@ -23,3 +20,3 @@ get: function get() {
 });
-Object.defineProperty(exports, 'getTickValuesFixedDomain', {
+Object.defineProperty(exports, "getTickValuesFixedDomain", {
   enumerable: true,
@@ -29,2 +26,4 @@ get: function get() {
   }
-});
+});
+
+var _getNiceTickValues = require("./getNiceTickValues");

lib/util/arithmetic.js

@@ -1,2 +0,2 @@
-'use strict';
+"use strict";
 
@@ -6,12 +6,17 @@ Object.defineProperty(exports, "__esModule", {
 });
+exports.default = void 0;
 
-var _decimal = require('decimal.js-light');
+var _decimal = _interopRequireDefault(require("decimal.js-light"));
 
-var _decimal2 = _interopRequireDefault(_decimal);
+var _utils = require("./utils");
 
-var _utils = require('./utils');
-
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 /**
+ * @fileOverview 一些公用的运算方法
+ * @author xile611
+ * @date 2015-09-17
+ */
+
+/**
  * 获取数值的位数
@@ -25,9 +30,4 @@ * 其中绝对值属于区间[0.1, 1)， 得到的值为0
  */
-/**
- * @fileOverview 一些公用的运算方法
- * @author xile611
- * @date 2015-09-17
- */
 function getDigitCount(value) {
-  var result = void 0;
+  var result;
 
@@ -37,3 +37,3 @@ if (value === 0) {
   } else {
-    result = Math.floor(new _decimal2.default(value).abs().log(10).toNumber()) + 1;
+    result = Math.floor(new _decimal.default(value).abs().log(10).toNumber()) + 1;
   }
@@ -43,3 +43,2 @@
 }
-
 /**
@@ -54,4 +53,6 @@ * 按照固定的步长获取[start, end)这个区间的数据
  */
+
+
 function rangeStep(start, end, step) {
-  var num = new _decimal2.default(start);
+  var num = new _decimal.default(start);
   var result = [];
@@ -61,3 +62,2 @@
     result.push(num.toNumber());
-
     num = num.add(step);
@@ -76,6 +76,7 @@ }
  */
+
+
 var interpolateNumber = (0, _utils.curry)(function (a, b, t) {
   var newA = +a;
   var newB = +b;
-
   return newA + t * (newB - newA);
@@ -91,7 +92,6 @@ });
  */
+
 var uninterpolateNumber = (0, _utils.curry)(function (a, b, x) {
   var diff = b - +a;
-
   diff = diff || Infinity;
-
   return (x - a) / diff;
@@ -108,17 +108,15 @@ });
  */
+
 var uninterpolateTruncation = (0, _utils.curry)(function (a, b, x) {
   var diff = b - +a;
-
   diff = diff || Infinity;
-
   return Math.max(0, Math.min(1, (x - a) / diff));
 });
-
-exports.default = {
+var _default = {
   rangeStep: rangeStep,
   getDigitCount: getDigitCount,
-
   interpolateNumber: interpolateNumber,
   uninterpolateNumber: uninterpolateNumber,
   uninterpolateTruncation: uninterpolateTruncation
-};
+};
+exports.default = _default;

lib/util/utils.js

@@ -1,2 +0,2 @@
-'use strict';
+"use strict";
 
@@ -6,5 +6,12 @@ Object.defineProperty(exports, "__esModule", {
 });
+exports.memoize = exports.reverse = exports.compose = exports.map = exports.range = exports.curry = exports.PLACE_HOLDER = void 0;
 
-function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
 
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
+
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
+
 var identity = function identity(i) {
@@ -14,5 +21,6 @@ return i;
 
-var PLACE_HOLDER = exports.PLACE_HOLDER = {
+var PLACE_HOLDER = {
   '@@functional/placeholder': true
 };
+exports.PLACE_HOLDER = PLACE_HOLDER;
 
@@ -29,3 +37,3 @@ var isPlaceHolder = function isPlaceHolder(val) {
 
-    return fn.apply(undefined, arguments);
+    return fn.apply(void 0, arguments);
   };
@@ -40,3 +48,3 @@ };
   return curry0(function () {
-    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
       args[_key] = arguments[_key];
@@ -50,7 +58,7 @@ }
     if (argsLength >= n) {
-      return fn.apply(undefined, args);
+      return fn.apply(void 0, args);
     }
 
     return curryN(n - argsLength, curry0(function () {
-      for (var _len2 = arguments.length, restArgs = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      for (var _len2 = arguments.length, restArgs = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
         restArgs[_key2] = arguments[_key2];
@@ -62,4 +70,3 @@ }
       });
-
-      return fn.apply(undefined, _toConsumableArray(newArgs).concat(restArgs));
+      return fn.apply(void 0, _toConsumableArray(newArgs).concat(restArgs));
     }));
@@ -69,7 +76,9 @@ });
 
-var curry = exports.curry = function curry(fn) {
+var curry = function curry(fn) {
   return curryN(fn.length, fn);
 };
 
-var range = exports.range = function range(begin, end) {
+exports.curry = curry;
+
+var range = function range(begin, end) {
   var arr = [];
@@ -84,3 +93,4 @@
 
-var map = exports.map = curry(function (fn, arr) {
+exports.range = range;
+var map = curry(function (fn, arr) {
   if (Array.isArray(arr)) {
@@ -94,5 +104,6 @@ return arr.map(fn);
 });
+exports.map = map;
 
-var compose = exports.compose = function compose() {
-  for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+var compose = function compose() {
+  for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
     args[_key3] = arguments[_key3];
@@ -105,29 +116,31 @@ }
 
-  var fns = args.reverse();
-  // first function can receive multiply arguments
+  var fns = args.reverse(); // first function can receive multiply arguments
+
   var firstFn = fns[0];
   var tailsFn = fns.slice(1);
-
   return function () {
     return tailsFn.reduce(function (res, fn) {
       return fn(res);
-    }, firstFn.apply(undefined, arguments));
+    }, firstFn.apply(void 0, arguments));
   };
 };
 
-var reverse = exports.reverse = function reverse(arr) {
+exports.compose = compose;
+
+var reverse = function reverse(arr) {
   if (Array.isArray(arr)) {
     return arr.reverse();
-  }
+  } // can be string
 
-  // can be string
+
   return arr.split('').reverse.join('');
 };
 
-var memoize = exports.memoize = function memoize(fn) {
+exports.reverse = reverse;
+
+var memoize = function memoize(fn) {
   var lastArgs = null;
   var lastResult = null;
-
   return function () {
-    for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+    for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
       args[_key4] = arguments[_key4];
@@ -143,6 +156,7 @@ }
     lastArgs = args;
-    lastResult = fn.apply(undefined, args);
-
+    lastResult = fn.apply(void 0, args);
     return lastResult;
   };
-};
+};
+
+exports.memoize = memoize;

package.json

 {
   "name": "recharts-scale",
-  "version": "0.4.0",
+  "version": "0.4.2",
   "description": "Scale of Cartesian Coordinates",
@@ -19,2 +19,12 @@ "main": "lib/index",
   ],
+  "scripts": {
+    "build": "npm run build-cjs && npm run build-es6 && rimraf umd && npm run build-umd && npm run build-min",
+    "build-cjs": "rimraf lib && cross-env BABEL_ENV=commonjs babel ./src -d lib",
+    "build-es6": "rimraf es6 && cross-env babel ./src -d es6 --blacklist=es6.modules",
+    "build-umd": "cross-env NODE_ENV=development BABEL_ENV=commonjs webpack -p src/index.js -o umd/RechartsScale.js",
+    "build-min": "cross-env NODE_ENV=production BABEL_ENV=commonjs webpack -p src/index.js -o umd/RechartsScale.min.js",
+    "test": "nyc ava --verbose",
+    "autofix": "eslint src test --fix",
+    "lint": "eslint src test"
+  },
   "pre-commit": [
@@ -36,31 +46,47 @@ "lint"
   "devDependencies": {
-    "babel-cli": "^6.10.0",
-    "babel-eslint": "^6.1.0",
-    "babel-loader": "^6.2.4",
-    "babel-plugin-transform-export-extensions": "^6.8.0",
-    "babel-preset-es2015": "^6.9.0",
-    "babel-preset-stage-0": "6.3.13",
-    "babel-register": "^6.3.13",
-    "chai": "3.4.1",
-    "eslint": "^2.9.0",
-    "eslint-plugin-import": "^1.7.0",
-    "eslint-plugin-jsx-a11y": "^1.5.0",
-    "eslint-config-airbnb": "^9.0.1",
-    "eslint-plugin-react": "^5.2.0",
-    "isparta": "^4.0.0",
-    "mocha": "^2.5.0",
-    "webpack": "^1.13.1",
-    "pre-commit": "^1.1.3"
+    "@babel/cli": "^7.1.0",
+    "@babel/core": "^7.0.0",
+    "@babel/plugin-proposal-class-properties": "^7.0.0",
+    "@babel/plugin-proposal-export-default-from": "^7.0.0",
+    "@babel/plugin-proposal-export-namespace-from": "^7.0.0",
+    "@babel/polyfill": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
+    "@babel/register": "^7.0.0",
+    "ava": "^1.0.0-beta.8",
+    "babel-eslint": "^10.0.0",
+    "babel-loader": "^8.0.0",
+    "cross-env": "^5.2.0",
+    "eslint": "^5.6.0",
+    "eslint-config-airbnb": "^17.1.0",
+    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-jsx-a11y": "^6.1.1",
+    "eslint-plugin-react": "^7.11.1",
+    "nyc": "^13.0.1",
+    "pre-commit": "^1.1.3",
+    "webpack": "^4.20.0",
+    "webpack-cli": "^3.1.2"
   },
-  "scripts": {
-    "build": "npm run build-cjs && npm run build-es6 && rimraf umd && npm run build-umd && npm run build-min",
-    "build-cjs": "rimraf lib && babel ./src -d lib",
-    "build-es6": "rimraf es6 && babel ./src -d es6 --blacklist=es6.modules",
-    "build-umd": "NODE_ENV=production webpack src/index.js umd/RechartsScale.js",
-    "build-min": "NODE_ENV=production webpack -p src/index.js umd/RechartsScale.min.js",
-    "test": "mocha --compilers js:babel-register --recursive",
-    "test-cov": "isparta cover _mocha  --report html --report text --  --require babel-register",
-    "lint": "eslint src test"
+  "ava": {
+    "files": [
+      "test/**/*.test.js"
+    ],
+    "sources": [
+      "**/*.js",
+      "!umd/**/*"
+    ],
+    "failFast": true,
+    "tap": true,
+    "require": [
+      "esm",
+      "@babel/register"
+    ],
+    "babel": {
+      "testOptions": {
+        "presets": [
+          "@babel/preset-env"
+        ]
+      }
+    }
   },
   "license": "MIT"
 }

src/getNiceTickValues.js

@@ -7,3 +7,5 @@ /**
 import Decimal from 'decimal.js-light';
-import { compose, range, memoize, map, reverse } from './util/utils';
+import {
+  compose, range, memoize, map, reverse,
+} from './util/utils';
 import Arithmetic from './util/arithmetic';
@@ -49,3 +51,3 @@
   const amendStepRatio = new Decimal(
-    Math.ceil(stepRatio.div(stepRatioScale).toNumber())
+    Math.ceil(stepRatio.div(stepRatioScale).toNumber()),
   ).add(correctionFactor).mul(stepRatioScale);
@@ -93,3 +95,3 @@
     map(n => middle.add(new Decimal(n - middleIndex).mul(step)).toNumber()),
-    range
+    range,
   );
@@ -124,3 +126,3 @@
     allowDecimals,
-    correctionFactor
+    correctionFactor,
   );
@@ -143,3 +145,3 @@
   let upCount = Math.ceil(new Decimal(max).sub(middle).div(step)
-                          .toNumber());
+    .toNumber());
   const scaleCount = belowCount + upCount + 1;
@@ -150,3 +152,3 @@
     return calculateStep(min, max, tickCount, allowDecimals, correctionFactor + 1);
-  } else if (scaleCount < tickCount) {
+  } if (scaleCount < tickCount) {
     // When less ticks can cover the interval, we should add some additional ticks
@@ -164,3 +166,3 @@ upCount = max > 0 ? upCount + (tickCount - scaleCount) : upCount;
 /**
- * Calculate the ticks of an interval
+ * Calculate the ticks of an interval, the count of ticks will be guraranteed
  *
@@ -177,2 +179,10 @@ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    const values = cormax === Infinity
+      ? [cormin, ...range(0, tickCount - 1).map(() => Infinity)]
+      : [...range(0, tickCount - 1).map(() => -Infinity), cormax];
+
+    return min > max ? reverse(values) : values;
+  }
+
   if (cormin === cormax) {
@@ -190,2 +200,10 @@ return getTickOfSingleValue(cormin, tickCount, allowDecimals);
 
+/**
+ * Calculate the ticks of an interval, the count of ticks won't be guraranteed
+ *
+ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
+ * @param  {Integer} tickCount     The count of ticks
+ * @param  {Boolean} allowDecimals Allow the ticks to be decimals or not
+ * @return {Array}   ticks
+ */
 function getTickValuesFn([min, max], tickCount = 6, allowDecimals = true) {
@@ -196,2 +214,6 @@ // More than two ticks should be return
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    return [min, max];
+  }
+
   if (cormin === cormax) {
@@ -205,3 +227,3 @@ return getTickOfSingleValue(cormin, tickCount, allowDecimals);
     map(n => new Decimal(cormin).add(new Decimal(n).mul(step)).toNumber()),
-    range
+    range,
   );
@@ -214,2 +236,11 @@
 
+/**
+ * Calculate the ticks of an interval, the count of ticks won't be guraranteed,
+ * but the domain will be guaranteed
+ *
+ * @param  {Number}  min, max      min: The minimum value, max: The maximum value
+ * @param  {Integer} tickCount     The count of ticks
+ * @param  {Boolean} allowDecimals Allow the ticks to be decimals or not
+ * @return {Array}   ticks
+ */
 function getTickValuesFixedDomainFn([min, max], tickCount, allowDecimals = true) {
@@ -219,2 +250,6 @@ // More than two ticks should be return
 
+  if (cormin === -Infinity || cormax === Infinity) {
+    return [min, max];
+  }
+
   if (cormin === cormax) { return [cormin]; }
@@ -228,3 +263,3 @@
       new Decimal(cormax).sub(new Decimal(0.99).mul(step)),
-      step
+      step,
     ),
@@ -240,2 +275,1 @@ cormax,
 export const getTickValuesFixedDomain = memoize(getTickValuesFixedDomainFn);
-

src/util/arithmetic.js

@@ -25,3 +25,3 @@ /**
     result = Math.floor(new Decimal(value).abs().log(10)
-                        .toNumber()) + 1;
+      .toNumber()) + 1;
   }
@@ -28,0 +28,0 @@

src/util/utils.js

@@ -9,3 +9,3 @@ const identity = i => i;
 
-const curry0 = (fn) => function _curried(...args) {
+const curry0 = fn => function _curried(...args) {
   if (args.length === 0 || args.length === 1 && isPlaceHolder(args[0])) {
@@ -68,10 +68,7 @@ return _curried;
 
-  return (...composeArgs) =>
-    tailsFn.reduce((res, fn) =>
-      fn(res),
-      firstFn(...composeArgs)
-  );
+  return (...composeArgs) => tailsFn.reduce((res, fn) => fn(res),
+    firstFn(...composeArgs));
 };
 
-export const reverse = arr => {
+export const reverse = (arr) => {
   if (Array.isArray(arr)) {
@@ -85,3 +82,3 @@ return arr.reverse();
 
-export const memoize = fn => {
+export const memoize = (fn) => {
   let lastArgs = null;
@@ -88,0 +85,0 @@ let lastResult = null;

umd/RechartsScale.min.js

@@ -1,1 +0,1 @@
-!function(e,r){"object"==typeof exports&&"object"==typeof module?module.exports=r():"function"==typeof define&&define.amd?define([],r):"object"==typeof exports?exports.RechartsScale=r():e.RechartsScale=r()}(this,function(){return function(e){function r(n){if(t[n])return t[n].exports;var i=t[n]={exports:{},id:n,loaded:!1};return e[n].call(i.exports,i,i.exports,r),i.loaded=!0,i.exports}var t={};return r.m=e,r.c=t,r.p="",r(0)}([function(e,r,t){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n=t(3);Object.defineProperty(r,"getTickValues",{enumerable:!0,get:function(){return n.getTickValues}}),Object.defineProperty(r,"getNiceTickValues",{enumerable:!0,get:function(){return n.getNiceTickValues}}),Object.defineProperty(r,"getTickValuesFixedDomain",{enumerable:!0,get:function(){return n.getTickValuesFixedDomain}})},function(e,r){"use strict";function t(e){if(Array.isArray(e)){for(var r=0,t=Array(e.length);r<e.length;r++)t[r]=e[r];return t}return 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Total package byte prevSize

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decreased by-37.17%

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increased by23.53%

Lines of code

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