@jscad/modeling
Version:
Constructive Solid Geometry (CSG) Library for JSCAD
21 lines (19 loc) • 659 B
JavaScript
/**
* Determine if the given object is a path2 geometry.
* @param {Object} object - the object to interrogate
* @returns {Boolean} true if the object matches a path2
* @alias module:modeling/geometries/path2.isA
*/
const isA = (object) => {
if (object && typeof object === 'object') {
// see create for the required attributes and types
if ('points' in object && 'transforms' in object && 'isClosed' in object) {
// NOTE: transforms should be a TypedArray, which has a read-only length
if (Array.isArray(object.points) && 'length' in object.transforms) {
return true
}
}
}
return false
}
module.exports = isA