component-argument.ts
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component-argument.ts
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	import { JDDContext, List, ShortText } from "../index";
	import { MaybePromise } from "../utils/util-types";

	export type ExtractComponentArgumentValue<C> = C extends List<infer S>
	? S[]
	: C extends ComponentArgument<infer T>
	? T
	: never;

	export type ExtractStructuredComponentArgumentsValues<C> = {
	[property in keyof C]: ExtractComponentArgumentValue<C[property]>;
	};

	export abstract class ComponentArgument<ARG> {
	public example_values: ARG[] = [];
	public parent_argument: ComponentArgument<unknown> \| null = null;
	abstract getTypeName(): string;
	abstract getEmptyValue(): ARG;
	abstract countWords(value: ARG): number;
	abstract parseFormInput(
	context: JDDContext,
	input: unknown,
	arg_name: string
	): MaybePromise<ARG \| ARG[] \| null>;

	getExampleValue(_context: JDDContext): Promise<ARG> \| ARG {
	return this.example_values[
	Math.floor(this.example_values.length * Math.random())
	];
	}

	setExampleValues(values: ARG[]): this {
	this.example_values = values;
	return this;
	}

	hasParent(type: string) {
	let parent = this.parent_argument;
	while (parent) {
	if (parent.getTypeName() == type) {
	return true;
	}
	parent = parent.parent_argument;
	}
	return false;
	}
	}