@cloudbase/js-sdk/database/dist/esm/geo/lineString.js

cloudbase javascript sdk

var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
import { SYMBOL_GEO_LINE_STRING } from '../helper/symbol';
import { Point } from './point';
import { isArray, isNumber } from '../utils/type';
var LineString = (function () {
    function LineString(points) {
        if (!isArray(points)) {
            throw new TypeError("\"points\" must be of type Point[]. Received type ".concat(typeof points));
        }
        if (points.length < 2) {
            throw new Error('"points" must contain 2 points at least');
        }
        points.forEach(function (point) {
            if (!(point instanceof Point)) {
                throw new TypeError("\"points\" must be of type Point[]. Received type ".concat(typeof point, "[]"));
            }
        });
        this.points = points;
    }
    LineString.prototype.parse = function (key) {
        var _a;
        return _a = {},
            _a[key] = {
                type: 'LineString',
                coordinates: this.points.map(function (point) { return point.toJSON().coordinates; })
            },
            _a;
    };
    LineString.prototype.toJSON = function () {
        return {
            type: 'LineString',
            coordinates: this.points.map(function (point) { return point.toJSON().coordinates; })
        };
    };
    LineString.validate = function (lineString) {
        var e_1, _a;
        if (lineString.type !== 'LineString' || !isArray(lineString.coordinates)) {
            return false;
        }
        try {
            for (var _b = __values(lineString.coordinates), _c = _b.next(); !_c.done; _c = _b.next()) {
                var point = _c.value;
                if (!isNumber(point[0]) || !isNumber(point[1])) {
                    return false;
                }
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_1) throw e_1.error; }
        }
        return true;
    };
    LineString.isClosed = function (lineString) {
        var firstPoint = lineString.points[0];
        var lastPoint = lineString.points[lineString.points.length - 1];
        if (firstPoint.latitude === lastPoint.latitude && firstPoint.longitude === lastPoint.longitude) {
            return true;
        }
    };
    Object.defineProperty(LineString.prototype, "_internalType", {
        get: function () {
            return SYMBOL_GEO_LINE_STRING;
        },
        enumerable: false,
        configurable: true
    });
    return LineString;
}());
export { LineString };