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denoland-deno/fs/write_json.ts

57 lines
1.3 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
/* eslint-disable @typescript-eslint/no-explicit-any */
import * as path from "./path/mod.ts";
type Replacer = (key: string, value: any) => any;
export interface WriteJsonOptions {
spaces?: number | string;
replacer?: Array<number | string> | Replacer;
}
/* Writes an object to a JSON file. */
export async function writeJson(
filePath: string,
object: any,
options: WriteJsonOptions = {}
): Promise<void> {
filePath = path.resolve(filePath);
let contentRaw = "";
try {
contentRaw = JSON.stringify(
object,
options.replacer as string[],
options.spaces
);
} catch (err) {
err.message = `${filePath}: ${err.message}`;
throw err;
}
await Deno.writeFile(filePath, new TextEncoder().encode(contentRaw));
}
/* Writes an object to a JSON file. */
export function writeJsonSync(
filePath: string,
object: any,
options: WriteJsonOptions = {}
): void {
filePath = path.resolve(filePath);
let contentRaw = "";
try {
contentRaw = JSON.stringify(
object,
options.replacer as string[],
options.spaces
);
} catch (err) {
err.message = `${filePath}: ${err.message}`;
throw err;
}
Deno.writeFileSync(filePath, new TextEncoder().encode(contentRaw));
}