vant/lib/picker/utils.js

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name2 in all)
    __defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stdin_exports = {};
__export(stdin_exports, {
  assignDefaultFields: () => assignDefaultFields,
  bem: () => bem,
  findIndexOfEnabledOption: () => findIndexOfEnabledOption,
  findOptionByValue: () => findOptionByValue,
  formatCascadeColumns: () => formatCascadeColumns,
  getColumnsType: () => getColumnsType,
  getElementTranslateY: () => getElementTranslateY,
  getFirstEnabledOption: () => getFirstEnabledOption,
  isOptionExist: () => isOptionExist,
  name: () => name,
  t: () => t
});
module.exports = __toCommonJS(stdin_exports);
var import_utils = require("../utils");
const [name, bem, t] = (0, import_utils.createNamespace)("picker");
const getFirstEnabledOption = (options) => options.find((option) => !option.disabled) || options[0];
function getColumnsType(columns, fields) {
  const firstColumn = columns[0];
  if (firstColumn) {
    if (Array.isArray(firstColumn)) {
      return "multiple";
    }
    if (fields.children in firstColumn) {
      return "cascade";
    }
  }
  return "default";
}
function findIndexOfEnabledOption(options, index) {
  index = (0, import_utils.clamp)(index, 0, options.length);
  for (let i = index; i < options.length; i++) {
    if (!options[i].disabled) return i;
  }
  for (let i = index - 1; i >= 0; i--) {
    if (!options[i].disabled) return i;
  }
  return 0;
}
const isOptionExist = (options, value, fields) => value !== void 0 && !!options.find((option) => option[fields.value] === value);
function findOptionByValue(options, value, fields) {
  const index = options.findIndex((option) => option[fields.value] === value);
  const enabledIndex = findIndexOfEnabledOption(options, index);
  return options[enabledIndex];
}
function formatCascadeColumns(columns, fields, selectedValues) {
  const formatted = [];
  let cursor = {
    [fields.children]: columns
  };
  let columnIndex = 0;
  while (cursor && cursor[fields.children]) {
    const options = cursor[fields.children];
    const value = selectedValues.value[columnIndex];
    cursor = (0, import_utils.isDef)(value) ? findOptionByValue(options, value, fields) : void 0;
    if (!cursor && options.length) {
      const firstValue = getFirstEnabledOption(options)[fields.value];
      cursor = findOptionByValue(options, firstValue, fields);
    }
    columnIndex++;
    formatted.push(options);
  }
  return formatted;
}
function getElementTranslateY(element) {
  const { transform } = window.getComputedStyle(element);
  const translateY = transform.slice(7, transform.length - 1).split(", ")[5];
  return Number(translateY);
}
function assignDefaultFields(fields) {
  return (0, import_utils.extend)(
    {
      text: "text",
      value: "value",
      children: "children"
    },
    fields
  );
}