enum.ts
No OneTemporary
Actions

Size

1015 B

Referenced Files

None

Subscribers

None

enum.ts
View Options

	import { is, predicates } from "@sealcode/ts-predicates";
	import { JDDContext } from "../jdd-context.js";
	import { StringBasedArgument } from "./string-based-argument.js";

	export class Enum<T extends string> extends StringBasedArgument<T> {
	public readonly values: Readonly<T[]>;
	constructor(values: Readonly<T[]>) {
	super();
	this.values = values;
	}

	getTypeName() {
	return "enum";
	}

	getEmptyValue() {
	return this.values[0];
	}

	getExampleValue() {
	const pick_from = this.example_values.length
	? this.example_values
	: this.values;
	return pick_from[Math.floor(Math.random() * pick_from.length)];
	}

	countWords(): number {
	return 0;
	}

	// TODO: this should be maybe removed or change into receivedToParsed?
	parseFormInput(_: JDDContext, input: Record<string, unknown>) {
	if (
	is(input, predicates.string) &&
	(is(input, predicates.enum(this.values)) \|\|
	is(input.trim(), predicates.enum(this.values)))
	) {
	return input.trim() as T;
	} else {
	return null;
	}
	}
	}