555 lines
17 KiB
JavaScript
555 lines
17 KiB
JavaScript
/**
|
|
* BetterDiscord Utils Module
|
|
* Copyright (c) 2015-present Jiiks/JsSucks - https://github.com/Jiiks / https://github.com/JsSucks
|
|
* All rights reserved.
|
|
* https://betterdiscord.net
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
import fs from 'fs';
|
|
import _ from 'lodash';
|
|
import filetype from 'file-type';
|
|
import path from 'path';
|
|
|
|
export class Utils {
|
|
static overload(fn, cb) {
|
|
const orig = fn;
|
|
return function (...args) {
|
|
orig(...args);
|
|
cb(...args);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempts to parse a string as JSON.
|
|
* @param {String} json The string to parse
|
|
* @return {Any}
|
|
*/
|
|
static async tryParseJson(jsonString) {
|
|
try {
|
|
return JSON.parse(jsonString);
|
|
} catch (err) {
|
|
throw ({
|
|
message: 'Failed to parse json',
|
|
err
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a new object with normalised keys.
|
|
* @param {Object} object
|
|
* @return {Object}
|
|
*/
|
|
static toCamelCase(o) {
|
|
const camelCased = {};
|
|
_.forEach(o, (value, key) => {
|
|
if (_.isPlainObject(value) || _.isArray(value)) {
|
|
value = this.toCamelCase(value);
|
|
}
|
|
camelCased[_.camelCase(key)] = value;
|
|
});
|
|
return camelCased;
|
|
}
|
|
|
|
/**
|
|
* Finds a value, subobject, or array from a tree that matches a specific filter. Great for patching render functions.
|
|
* @param {object} tree React tree to look through. Can be a rendered object or an internal instance.
|
|
* @param {callable} searchFilter Filter function to check subobjects against.
|
|
*/
|
|
static findInReactTree(tree, searchFilter) {
|
|
return this.findInTree(tree, searchFilter, {walkable: ['props', 'children', 'child', 'sibling']});
|
|
}
|
|
|
|
/**
|
|
* Finds a value, subobject, or array from a tree that matches a specific filter.
|
|
* @param {object} tree Tree that should be walked
|
|
* @param {callable} searchFilter Filter to check against each object and subobject
|
|
* @param {object} options Additional options to customize the search
|
|
* @param {Array<string>|null} [options.walkable=null] Array of strings to use as keys that are allowed to be walked on. Null value indicates all keys are walkable
|
|
* @param {Array<string>} [options.ignore=[]] Array of strings to use as keys to exclude from the search, most helpful when `walkable = null`.
|
|
*/
|
|
static findInTree(tree, searchFilter, { walkable = null, ignore = [] }) {
|
|
if (typeof searchFilter === 'string') {
|
|
if (tree.hasOwnProperty(searchFilter)) return tree[searchFilter];
|
|
} else if (searchFilter(tree)) return tree;
|
|
|
|
if (typeof tree !== 'object' || tree == null) return undefined;
|
|
|
|
let tempReturn = undefined;
|
|
if (tree instanceof Array) {
|
|
for (const value of tree) {
|
|
tempReturn = this.findInTree(value, searchFilter, {walkable, ignore});
|
|
if (typeof tempReturn != 'undefined') return tempReturn;
|
|
}
|
|
}
|
|
else {
|
|
const toWalk = walkable == null ? Object.keys(tree) : walkable;
|
|
for (const key of toWalk) {
|
|
if (!tree.hasOwnProperty(key) || ignore.includes(key)) continue;
|
|
tempReturn = this.findInTree(tree[key], searchFilter, {walkable, ignore});
|
|
if (typeof tempReturn != 'undefined') return tempReturn;
|
|
}
|
|
}
|
|
return tempReturn;
|
|
}
|
|
|
|
/**
|
|
* Checks if two or more values contain the same data.
|
|
* @param {Any} ...value The value to compare
|
|
* @return {Boolean}
|
|
*/
|
|
static compare(value1, value2, ...values) {
|
|
// Check to see if value1 and value2 contain the same data
|
|
if (typeof value1 !== typeof value2) return false;
|
|
if (value1 === null && value2 === null) return true;
|
|
if (value1 === null || value2 === null) return false;
|
|
|
|
if (typeof value1 === 'object') {
|
|
// Loop through the object and check if everything's the same
|
|
if (Object.keys(value1).length !== Object.keys(value2).length) return false;
|
|
|
|
for (const key in value1) {
|
|
if (!this.compare(value1[key], value2[key])) return false;
|
|
}
|
|
} else if (value1 !== value2) return false;
|
|
|
|
// value1 and value2 contain the same data
|
|
// Check any more values
|
|
for (const value3 of values) {
|
|
if (!this.compare(value1, value3))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Clones an object and all it's properties.
|
|
* @param {Any} value The value to clone
|
|
* @param {Function} exclude A function to filter objects that shouldn't be cloned
|
|
* @return {Any} The cloned value
|
|
*/
|
|
static deepclone(value, exclude, cloned) {
|
|
if (exclude && exclude(value)) return value;
|
|
|
|
if (!cloned) cloned = new WeakMap();
|
|
|
|
if (typeof value === 'object' && value !== null) {
|
|
if (value instanceof Array) return value.map(i => this.deepclone(i, exclude, cloned));
|
|
|
|
if (cloned.has(value)) return cloned.get(value);
|
|
|
|
const clone = Object.assign({}, value);
|
|
cloned.set(value, clone);
|
|
|
|
for (const key in clone) {
|
|
clone[key] = this.deepclone(clone[key], exclude, cloned);
|
|
}
|
|
|
|
return clone;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Freezes an object and all it's properties.
|
|
* @param {Any} object The object to freeze
|
|
* @param {Function} exclude A function to filter objects that shouldn't be frozen
|
|
*/
|
|
static deepfreeze(object, exclude) {
|
|
if (exclude && exclude(object)) return;
|
|
|
|
if (typeof object === 'object' && object !== null) {
|
|
if (Object.isFrozen(object)) return object;
|
|
|
|
const properties = Object.getOwnPropertyNames(object);
|
|
|
|
for (const property of properties) {
|
|
this.deepfreeze(object[property], exclude);
|
|
}
|
|
|
|
Object.freeze(object);
|
|
}
|
|
|
|
return object;
|
|
}
|
|
|
|
/**
|
|
* Removes an item from an array. This differs from Array.prototype.filter as it mutates the original array instead of creating a new one.
|
|
* @param {Array} array The array to filter
|
|
* @param {Any} item The item to remove from the array
|
|
* @return {Array}
|
|
*/
|
|
static removeFromArray(array, item, filter) {
|
|
let index;
|
|
while ((index = filter ? array.findIndex(item) : array.indexOf(item)) > -1)
|
|
array.splice(index, 1);
|
|
return array;
|
|
}
|
|
|
|
/**
|
|
* Defines a property with a getter that can be changed like a normal property.
|
|
* @param {Object} object The object to define a property on
|
|
* @param {String} property The property to define
|
|
* @param {Function} getter The property's getter
|
|
* @return {Object}
|
|
*/
|
|
static defineSoftGetter(object, property, get) {
|
|
return Object.defineProperty(object, property, {
|
|
get,
|
|
set: value => Object.defineProperty(object, property, {
|
|
value,
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: true
|
|
}),
|
|
configurable: true,
|
|
enumerable: true
|
|
});
|
|
}
|
|
|
|
static wait(time = 0) {
|
|
return new Promise(resolve => setTimeout(resolve, time));
|
|
}
|
|
|
|
static async until(check, time = 0) {
|
|
let value, i;
|
|
do {
|
|
// Wait for the next tick
|
|
await new Promise(resolve => setTimeout(resolve, time));
|
|
value = check(i);
|
|
i++;
|
|
} while (!value);
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Finds the index of array of bytes in another array
|
|
* @param {Array} haystack The array to find aob in
|
|
* @param {Array} needle The aob to find
|
|
* @return {Number} aob index, -1 if not found
|
|
*/
|
|
static aobscan(haystack, needle) {
|
|
for (let h = 0; h < haystack.length - needle.length + 1; ++h) {
|
|
let found = true;
|
|
for (let n = 0; n < needle.length; ++n) {
|
|
if (needle[n] === null ||
|
|
needle[n] === '??' ||
|
|
haystack[h + n] === needle[n]) continue;
|
|
found = false;
|
|
break;
|
|
}
|
|
if (found) return h;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Convert buffer to base64 encoded string
|
|
* @param {any} buffer buffer to convert
|
|
* @returns {String} base64 encoded string from buffer
|
|
*/
|
|
static arrayBufferToBase64(buffer) {
|
|
let binary = '';
|
|
const bytes = buffer instanceof Uint8Array ? buffer : new Uint8Array(buffer);
|
|
for (let i = 0; i < bytes.byteLength; i++) {
|
|
binary += String.fromCharCode(bytes[i]);
|
|
}
|
|
return window.btoa(binary);
|
|
}
|
|
|
|
static async getImageFromBuffer(buffer) {
|
|
if (!(buffer instanceof Blob)) buffer = new Blob([buffer]);
|
|
const reader = new FileReader();
|
|
reader.readAsDataURL(buffer);
|
|
await new Promise(r => {
|
|
reader.onload = r
|
|
});
|
|
const img = new Image();
|
|
img.src = reader.result;
|
|
return new Promise(resolve => {
|
|
img.onload = () => {
|
|
resolve(img);
|
|
}
|
|
});
|
|
}
|
|
|
|
static async canvasToArrayBuffer(canvas, mime = 'image/png') {
|
|
const reader = new FileReader();
|
|
return new Promise(resolve => {
|
|
canvas.toBlob(blob => {
|
|
reader.addEventListener('loadend', () => {
|
|
resolve(reader.result);
|
|
});
|
|
reader.readAsArrayBuffer(blob);
|
|
}, mime);
|
|
});
|
|
}
|
|
}
|
|
|
|
export class FileUtils {
|
|
/**
|
|
* Gets information about a file.
|
|
* @param {String} path The file's path
|
|
* @return {Promise}
|
|
*/
|
|
static async stat(path) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.stat(path, (err, stat) => {
|
|
if (err) return reject({
|
|
message: `No such file or directory: ${err.path}`,
|
|
err
|
|
});
|
|
|
|
resolve(stat);
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Checks if a file exists and is a file.
|
|
* @param {String} path The file's path
|
|
* @return {Promise}
|
|
*/
|
|
static async fileExists(path) {
|
|
const stats = await this.stat(path);
|
|
|
|
if (!stats.isFile()) throw {
|
|
message: `Not a file: ${path}`,
|
|
stats
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Checks if a directory exists and is a directory.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async directoryExists(path) {
|
|
const stats = await this.stat(path);
|
|
|
|
if (!stats.isDirectory()) throw {
|
|
message: `Not a directory: ${path}`,
|
|
stats
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Creates a directory.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async createDirectory(path) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.mkdir(path, err => {
|
|
if (err) reject(err);
|
|
else resolve();
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Checks if a directory exists and creates it if it doesn't.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async ensureDirectory(path) {
|
|
try {
|
|
await this.directoryExists(path);
|
|
return true;
|
|
} catch (err) {
|
|
await this.createDirectory(path);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the contents of a file.
|
|
* @param {String} path The file's path
|
|
* @return {Promise}
|
|
*/
|
|
static async readFile(path) {
|
|
await this.fileExists(path);
|
|
|
|
return new Promise((resolve, reject) => {
|
|
fs.readFile(path, 'utf-8', (err, data) => {
|
|
if (err) return reject({
|
|
message: `Could not read file: ${path}`,
|
|
err
|
|
});
|
|
|
|
resolve(data);
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Returns the contents of a file.
|
|
* @param {String} path The file's path
|
|
* @param {Object} options Additional options to pass to fs.readFile
|
|
* @return {Promise}
|
|
*/
|
|
static async readFileBuffer(path, options) {
|
|
await this.fileExists(path);
|
|
|
|
return new Promise((resolve, reject) => {
|
|
fs.readFile(path, options || {}, (err, data) => {
|
|
if (err) reject(err);
|
|
else resolve(data);
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Writes to a file.
|
|
* @param {String} path The file's path
|
|
* @param {String} data The file's new contents
|
|
* @return {Promise}
|
|
*/
|
|
static async writeFile(path, data) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.writeFile(path, data, err => {
|
|
if (err) reject(err);
|
|
else resolve();
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Writes to the end of a file.
|
|
* @param {String} path The file's path
|
|
* @param {String} data The data to append to the file
|
|
* @return {Promise}
|
|
*/
|
|
static async appendToFile(path, data) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.appendFile(path, data, err => {
|
|
if (err) reject(err);
|
|
else resolve();
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Returns the contents of a file parsed as JSON.
|
|
* @param {String} path The file's path
|
|
* @return {Promise}
|
|
*/
|
|
static async readJsonFromFile(path) {
|
|
const readFile = await this.readFile(path);
|
|
|
|
try {
|
|
return await Utils.tryParseJson(readFile);
|
|
} catch (err) {
|
|
throw Object.assign(err, { path });
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Writes to a file as JSON.
|
|
* @param {String} path The file's path
|
|
* @param {Any} data The file's new contents
|
|
* @param {Boolean} pretty Whether to pretty print the JSON object
|
|
* @return {Promise}
|
|
*/
|
|
static async writeJsonToFile(path, json, pretty) {
|
|
return this.writeFile(path, `${JSON.stringify(json, null, pretty ? 4 : 0)}\n`);
|
|
}
|
|
|
|
/**
|
|
* Returns an array of items in a directory.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async listDirectory(path) {
|
|
await this.directoryExists(path);
|
|
|
|
return new Promise((resolve, reject) => {
|
|
fs.readdir(path, (err, files) => {
|
|
if (err) reject(err);
|
|
else resolve(files);
|
|
});
|
|
});
|
|
}
|
|
|
|
static async readDir(path) {
|
|
return this.listDirectory(path);
|
|
}
|
|
|
|
/**
|
|
* Returns a file or buffer's MIME type and typical file extension.
|
|
* @param {String|Buffer} buffer A buffer or the path of a file
|
|
* @return {Promise}
|
|
*/
|
|
static async getFileType(buffer) {
|
|
if (typeof buffer === 'string') buffer = await this.readFileBuffer(buffer);
|
|
|
|
return filetype(buffer);
|
|
}
|
|
|
|
/**
|
|
* Returns a file's contents as a data URI.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async toDataURI(buffer, type) {
|
|
if (typeof buffer === 'string') buffer = await this.readFileBuffer(buffer);
|
|
if (!type) type = (await this.getFileType(buffer)).mime;
|
|
return `data:${type};base64,${buffer.toString('base64')}`;
|
|
}
|
|
|
|
/**
|
|
* Deletes a file.
|
|
* @param {String} path The file's path
|
|
* @return {Promise}
|
|
*/
|
|
static async deleteFile(path) {
|
|
await this.fileExists(path);
|
|
|
|
return new Promise((resolve, reject) => {
|
|
fs.unlink(path, (err, files) => {
|
|
if (err) reject(err);
|
|
else resolve(files);
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Deletes a directory.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async deleteDirectory(path) {
|
|
await this.directoryExists(path);
|
|
|
|
return new Promise((resolve, reject) => {
|
|
fs.rmdir(path, (err, files) => {
|
|
if (err) reject(err);
|
|
else resolve(files);
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Deletes a directory and it's contents.
|
|
* @param {String} path The directory's path
|
|
* @return {Promise}
|
|
*/
|
|
static async recursiveDeleteDirectory(pathToDir) {
|
|
for (const file of await this.listDirectory(pathToDir)) {
|
|
const pathToFile = path.join(pathToDir, file);
|
|
try {
|
|
await this.recursiveDeleteDirectory(pathToFile);
|
|
} catch (err) {
|
|
await this.deleteFile(pathToFile);
|
|
}
|
|
}
|
|
|
|
await this.deleteDirectory(pathToDir);
|
|
}
|
|
}
|