node-libpng/dist/xy.js

Unofficial bindings for node to libpng.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isXY = exports.xy = void 0;
/**
 * Creates a new set of 2D coordinates.
 *
 * @param x The x part of the coordinates.
 * @param y The y part of the coordinates.
 *
 * @return The new coordinates as an array which provides getters for `x` and `y`.
 */
function xy(x, y) {
    const coordinates = [x, y];
    Object.defineProperty(coordinates, "x", { get() { return this[0]; } });
    Object.defineProperty(coordinates, "y", { get() { return this[1]; } });
    return coordinates;
}
exports.xy = xy;
/**
 * Checks if the given parameter is a set of 2D coordinates.
 *
 * @param coordinates Parameter to check.
 *
 * @return `true` if the given parameter was a set of coordinates and `false` otherwise.
 */
function isXY(coordinates) {
    if (typeof coordinates !== "object" || !Array.isArray(coordinates)) {
        return false;
    }
    if (coordinates.length !== 2) {
        return false;
    }
    if (typeof coordinates.x !== "number") {
        return false;
    }
    if (typeof coordinates.y !== "number") {
        return false;
    }
    return true;
}
exports.isXY = isXY;
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