@antv/f2/lib/deps/f2-scale/src/tick-method/linear.js

Charts for mobile visualization.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = linear;
var _util = require("@antv/util");
var _extended = _interopRequireDefault(require("../util/extended"));
var _interval = _interopRequireDefault(require("../util/interval"));
var _strictLimit = _interopRequireDefault(require("../util/strict-limit"));
/**
 * 计算线性的 ticks，使用 wilkinson extended 方法
 * @param cfg 度量的配置项
 * @returns 计算后的 ticks
 */
function linear(cfg) {
  var min = cfg.min,
    max = cfg.max,
    tickCount = cfg.tickCount,
    nice = cfg.nice,
    tickInterval = cfg.tickInterval,
    minLimit = cfg.minLimit,
    maxLimit = cfg.maxLimit;
  var ticks = (0, _extended.default)(min, max, tickCount, nice).ticks;
  if (!(0, _util.isNil)(minLimit) || !(0, _util.isNil)(maxLimit)) {
    return (0, _strictLimit.default)(cfg, (0, _util.head)(ticks), (0, _util.last)(ticks));
  }
  if (tickInterval) {
    return (0, _interval.default)(min, max, tickInterval).ticks;
  }
  return ticks;
}