e-shape-points-styles.ts

import { isNumber } from "../util/is-number";
import { isString } from "../util/is-string";
import { EShapePointsStyle } from "./e-shape-points-style";

export type EShapePointsStyleOption =
	| EShapePointsStyle
	| keyof typeof EShapePointsStyle
	| Array<keyof typeof EShapePointsStyle>;

export class EShapePointsStyles {
	static from(style: EShapePointsStyleOption | undefined): EShapePointsStyle {
		if (isString(style)) {
			return EShapePointsStyle[style];
		} else if (isNumber(style)) {
			return style;
		} else if (style != null) {
			let result = EShapePointsStyle.NONE;
			for (let i = 0, imax = style.length; i < imax; ++i) {
				result |= EShapePointsStyle[style[i]];
			}
			return result;
		} else {
			return EShapePointsStyle.NONE;
		}
	}
}