@antv/f2/lib/attr/base.js

Charts for mobile visualization.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _util = require("@antv/util");
var Base = /** @class */function () {
  function Base(options) {
    (0, _util.mix)(this, options);
    var _a = this,
      scale = _a.scale,
      field = _a.field,
      data = _a.data;
    if (!scale && data) {
      var values = (0, _util.valuesOfKey)(data, field);
      this.scale = this.createScale({
        values: values,
        field: field
      });
    }
  }
  Base.prototype.createScale = function (_scaleConfig) {
    return null;
  };
  // 数据映射方法
  Base.prototype._mapping = function (value) {
    return value;
  };
  Base.prototype.update = function (options) {
    (0, _util.mix)(this, options);
  };
  Base.prototype.setRange = function (range) {
    this.range = range;
  };
  // 归一化，参数是原始数据，返回是归一化的数据
  Base.prototype.normalize = function (value) {
    var scale = this.scale;
    if ((0, _util.isArray)(value)) {
      return value.map(function (v) {
        return scale.scale(v);
      });
    }
    return scale.scale(value);
  };
  // convert 参数是归一化的数据，返回定义域的值
  Base.prototype.convert = function (value) {
    return value;
  };
  // 等于 normalize + convert， 参数是原始数据，返回是定义域的值
  Base.prototype.mapping = function (value, child) {
    if (child === void 0) {
      child = null;
    }
    var rst = (0, _util.isFunction)(this.callback) ? this.callback(value, child) : null;
    if (!(0, _util.isNil)(rst)) {
      return rst;
    }
    return this._mapping(value);
  };
  return Base;
}();
var _default = exports.default = Base;