mirror of
https://github.com/vector-im/element-desktop.git
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49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
/*
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Copyright 2022 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import crypto from "crypto";
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import fs from "node:fs";
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import path from "node:path";
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export async function randomArray(size: number): Promise<string> {
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return new Promise((resolve, reject) => {
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crypto.randomBytes(size, (err, buf) => {
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if (err) {
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reject(err);
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} else {
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resolve(buf.toString("base64").replace(/=+$/g, ""));
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}
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});
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});
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}
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type JsonValue = null | string | number;
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type JsonArray = Array<JsonValue | JsonObject | JsonArray>;
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interface JsonObject {
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[key: string]: JsonObject | JsonArray | JsonValue;
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}
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type Json = JsonArray | JsonObject;
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/**
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* Synchronously load a JSON file from the local filesystem.
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* Unlike `require`, will never execute any javascript in a loaded file.
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* @param paths - An array of path segments which will be joined using the system's path delimiter.
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*/
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export function loadJsonFile<T extends Json>(...paths: string[]): T {
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const file = fs.readFileSync(path.join(...paths), { encoding: "utf-8" });
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return JSON.parse(file);
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}
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