image.ts
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image.ts
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	import { JDDContext } from "../index.js";
	import { File as FileArgument } from "./file.js";
	import { FilePointer } from "@sealcode/file-manager";

	import _locreq from "locreq";
	import { module_dirname } from "../utils/module-dirname.js";
	const locreq = _locreq(module_dirname(import.meta.url));

	const default_example_images: Record<string, FilePointer \| null> =
	Object.fromEntries(
	["image1.jpg", "image3.jpg", "image4.jpg", "image5.jpg"].map((key) => [
	locreq.resolve(`resources/${key}`),
	null,
	])
	);

	export class Image extends FileArgument {
	private example_images = default_example_images;

	getTypeName() {
	return "image";
	}

	setExampleImages(paths: string[]) {
	this.example_images = Object.fromEntries(
	paths.map((path) => [path, null])
	);
	return this;
	}

	async getExampleValue(context: JDDContext) {
	const keys = Object.keys(this.example_images);
	const key = keys[Math.floor(Math.random() * keys.length)];
	if (!this.example_images[key]) {
	const file = context.file_manager.fromPath(key);
	this.example_images[key] = file;
	await file.save(false);
	}
	return this.example_images[key];
	}
	}