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denoland-deno/std/fs/read_json.ts

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2020-01-02 15:13:47 -05:00
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
/** Reads a JSON file and then parses it into an object */
export async function readJson(filePath: string): Promise<unknown> {
const decoder = new TextDecoder("utf-8");
const content = decoder.decode(await Deno.readFile(filePath));
try {
return JSON.parse(content);
} catch (err) {
err.message = `${filePath}: ${err.message}`;
throw err;
}
}
/** Reads a JSON file and then parses it into an object */
export function readJsonSync(filePath: string): unknown {
const decoder = new TextDecoder("utf-8");
const content = decoder.decode(Deno.readFileSync(filePath));
try {
return JSON.parse(content);
} catch (err) {
err.message = `${filePath}: ${err.message}`;
throw err;
}
}