ukelli-ui/core/position-filter.js

Base on React's UI lib. Make frontend's dev simpler and faster.

var __spreadArrays = (this && this.__spreadArrays) || function () {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
    for (var r = Array(s), k = 0, i = 0; i < il; i++)
        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
            r[k] = a[j];
    return r;
};
/**
 * 用于过滤控件的定位标识, 确保位置准确性
 * 检查缺失项，并且补全
 * 过滤重复位置标识
 * @param {"{verticalPosition},{horizontalPosition}"} position
 * @returns {"{verticalPosition} {horizontalPosition}"}
 */
export default function positionFilter(position) {
    var horizontal = ['left', 'right'];
    var vertical = ['bottom', 'top'];
    var all = __spreadArrays(horizontal, vertical);
    var result = [];
    var positionArr = position.split(/,|\./);
    all.forEach(function (pos) {
        var posIdx = positionArr.indexOf(pos);
        if (posIdx !== -1) {
            result.push(pos);
        }
    });
    if (result.length < 2) {
        var hasPos = result[0];
        horizontal.indexOf(hasPos) === -1 && result.push(horizontal[0]);
        vertical.indexOf(hasPos) === -1 && result.push(vertical[0]);
    }
    return result.join(' ');
}