Up, up, uppity.

1 files changed, 127 insertions, 0 deletions

diff --git a/node_modules/discord.js/src/util/DataResolver.js b/node_modules/discord.js/src/util/DataResolver.js
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+++ b/node_modules/discord.js/src/util/DataResolver.js
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+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const stream = require('stream');
+const fetch = require('node-fetch');
+const { Error: DiscordError, TypeError } = require('../errors');
+const { browser } = require('../util/Constants');
+const Util = require('../util/Util');
+
+/**
+ * The DataResolver identifies different objects and tries to resolve a specific piece of information from them.
+ * @private
+ */
+class DataResolver {
+  constructor() {
+    throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
+  }
+
+  /**
+   * Data that can be resolved to give an invite code. This can be:
+   * * An invite code
+   * * An invite URL
+   * @typedef {string} InviteResolvable
+   */
+
+  /**
+   * Resolves InviteResolvable to an invite code.
+   * @param {InviteResolvable} data The invite resolvable to resolve
+   * @returns {string}
+   */
+  static resolveInviteCode(data) {
+    const inviteRegex = /discord(?:app\.com\/invite|\.gg(?:\/invite)?)\/([\w-]{2,255})/i;
+    const match = inviteRegex.exec(data);
+    if (match && match[1]) return match[1];
+    return data;
+  }
+
+  /**
+   * Resolves a Base64Resolvable, a string, or a BufferResolvable to a Base 64 image.
+   * @param {BufferResolvable|Base64Resolvable} image The image to be resolved
+   * @returns {Promise<?string>}
+   */
+  static async resolveImage(image) {
+    if (!image) return null;
+    if (typeof image === 'string' && image.startsWith('data:')) {
+      return image;
+    }
+    const file = await this.resolveFileAsBuffer(image);
+    return DataResolver.resolveBase64(file);
+  }
+
+  /**
+   * Data that resolves to give a Base64 string, typically for image uploading. This can be:
+   * * A Buffer
+   * * A base64 string
+   * @typedef {Buffer|string} Base64Resolvable
+   */
+
+  /**
+   * Resolves a Base64Resolvable to a Base 64 image.
+   * @param {Base64Resolvable} data The base 64 resolvable you want to resolve
+   * @returns {?string}
+   */
+  static resolveBase64(data) {
+    if (Buffer.isBuffer(data)) return `data:image/jpg;base64,${data.toString('base64')}`;
+    return data;
+  }
+
+  /**
+   * Data that can be resolved to give a Buffer. This can be:
+   * * A Buffer
+   * * The path to a local file
+   * * A URL
+   * @typedef {string|Buffer} BufferResolvable
+   */
+
+  /**
+   * @external Stream
+   * @see {@link https://nodejs.org/api/stream.html}
+   */
+
+  /**
+   * Resolves a BufferResolvable to a Buffer or a Stream.
+   * @param {BufferResolvable|Stream} resource The buffer or stream resolvable to resolve
+   * @returns {Promise<Buffer|Stream>}
+   */
+  static async resolveFile(resource) {
+    if (!browser && Buffer.isBuffer(resource)) return resource;
+    if (browser && resource instanceof ArrayBuffer) return Util.convertToBuffer(resource);
+    if (resource instanceof stream.Readable) return resource;
+
+    if (typeof resource === 'string') {
+      if (/^https?:\/\//.test(resource)) {
+        const res = await fetch(resource);
+        return browser ? res.blob() : res.body;
+      } else if (!browser) {
+        return new Promise((resolve, reject) => {
+          const file = path.resolve(resource);
+          fs.stat(file, (err, stats) => {
+            if (err) return reject(err);
+            if (!stats.isFile()) return reject(new DiscordError('FILE_NOT_FOUND', file));
+            return resolve(fs.createReadStream(file));
+          });
+        });
+      }
+    }
+
+    throw new TypeError('REQ_RESOURCE_TYPE');
+  }
+
+  /**
+   * Resolves a BufferResolvable to a Buffer.
+   * @param {BufferResolvable|Stream} resource The buffer or stream resolvable to resolve
+   * @returns {Promise<Buffer>}
+   */
+  static async resolveFileAsBuffer(resource) {
+    const file = await this.resolveFile(resource);
+    if (Buffer.isBuffer(file)) return file;
+
+    const buffers = [];
+    for await (const data of file) buffers.push(data);
+    return Buffer.concat(buffers);
+  }
+}
+
+module.exports = DataResolver;