All files / lib/reader reader.ts

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import { changeExt, getType, copyFileAsync, extractGz } from "./utils";
import { loadXml } from "./xml";
import path from "path";
 
 
export const INVALID_FILE = new Error("File type cannot be recognized");
 
export class Reader {
	file: string;
	gzfile: string;
	xmlJs: any;
	constructor(file: string) {
		this.file = file;
		this.gzfile = changeExt(this.file, ".gz");
	}
 
	async load() {
		// TODO: Make Parser Smart, when the project folder is given find the project file.
		var fileType = await getType(this.file);
		if (fileType == undefined) throw INVALID_FILE;
		Iif (fileType.mime != "application/xml" && fileType.mime != "application/gzip") throw INVALID_FILE;
		// If file is not already extracted
		if (IfileType.mime != "application/xml") {
			await copyFileAsync(this.file, this.gzfile);
			await extractGz(this.gzfile, this.file);
		}
		this.xmlJs = await loadXml(this.file);
		return this.xmlJs;
	}
}