69 lines
2.4 KiB
TypeScript
69 lines
2.4 KiB
TypeScript
// Handles most of the file system operations, all of the ones related to `data` at least.
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import fs from "fs";
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const Storage = {
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read(header: string): object {
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this.open("data");
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const path = `data/${header}.json`;
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let data = {};
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if (fs.existsSync(path)) {
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const file = fs.readFileSync(path, "utf-8");
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try {
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data = JSON.parse(file);
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} catch (error) {
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if (process.argv[2] !== "dev") {
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console.warn("[storage.read]", `Malformed JSON data (header: ${header}), backing it up.`, file);
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fs.writeFile(`${path}.backup`, file, (error) => {
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if (error) console.error("[storage.read]", error);
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console.log("[storage.read]", `Backup file of "${header}" successfully written as ${file}.`);
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});
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}
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}
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}
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return data;
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},
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// There is no need to log successfully written operations as it pollutes the log with useless info for debugging.
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write(header: string, data: object, asynchronous = true) {
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this.open("data");
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const path = `data/${header}.json`;
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if (IS_DEV_MODE || header === "config") {
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const result = JSON.stringify(data, null, "\t");
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if (asynchronous)
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fs.writeFile(path, result, (error) => {
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if (error) console.error("[storage.write]", error);
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});
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else fs.writeFileSync(path, result);
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} else {
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const result = JSON.stringify(data);
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if (asynchronous)
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fs.writeFile(path, result, (error) => {
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if (error) console.error("[storage.write]", error);
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});
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else fs.writeFileSync(path, result);
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}
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},
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open(path: string, filter?: (value: string, index: number, array: string[]) => unknown): string[] {
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if (!fs.existsSync(path)) fs.mkdirSync(path);
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let directory = fs.readdirSync(path);
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if (filter) directory = directory.filter(filter);
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return directory;
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},
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close(path: string) {
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if (fs.existsSync(path) && fs.readdirSync(path).length === 0)
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fs.rmdir(path, (error) => {
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if (error) console.error("[storage.close]", error);
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});
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}
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};
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export default Storage;
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