From: Justin Wind <justin.wind+git@gmail.com>
Date: Wed, 15 Mar 2023 00:41:31 +0000 (-0700)
Subject: remove now-unused function, consolidate remaining common functions
X-Git-Tag: v2.0.0~1^2
X-Git-Url: http://git.squeep.com/?p=squeep-mystery-box;a=commitdiff_plain;h=82e47c29e2c11196901826e68c5dc9b090d8c214

remove now-unused function, consolidate remaining common functions
---

diff --git a/lib/common.js b/lib/common.js
deleted file mode 100644
index 1d4223b..0000000
--- a/lib/common.js
+++ /dev/null
@@ -1,41 +0,0 @@
-'use strict';
-
-const path = require('path');
-const { randomBytes } = require('crypto');
-const { promisify } = require('util');
-const randomBytesAsync = promisify(randomBytes);
-
-
-/**
- * Return a function which combines a part of the filename with a scope, for use in logging.
- * @param {string} filename
- */
-const fileScope = (filename) => {
-  let fScope = path.basename(filename, '.js');
-  if (fScope === 'index') {
-    fScope = path.basename(path.dirname(filename));
-  }
-  return (scope) => `${fScope}:${scope}`;
-}
-
-
-/**
- * Return an array containing x if x is something and not an array
- * @param {*} x
- */
-const ensureArray = (x) => {
-  if (x === undefined) {
-    return [];
-  }
-  if (!Array.isArray(x)) {
-    return Array(x);
-  }
-  return x;
-};
-
-
-module.exports = {
-  ensureArray,
-  fileScope,
-  randomBytesAsync,
-};
\ No newline at end of file
diff --git a/lib/mystery-box.js b/lib/mystery-box.js
index ddae815..a2ea8a8 100644
--- a/lib/mystery-box.js
+++ b/lib/mystery-box.js
@@ -4,7 +4,6 @@ const { EventEmitter } = require('events');
 const crypto = require('crypto');
 const zlib = require('zlib');
 const { promisify } = require('util');
-const common = require('./common');
 const { MysteryBoxError } = require('./errors');
 const allVersions = require('./version-parameters');
 const { performance } = require('perf_hooks');
@@ -20,6 +19,7 @@ const brotliDecompressAsync = promisify(zlib.brotliDecompress);
 const deflateRawAsync = promisify(zlib.deflateRaw);
 const inflateRawAsync = promisify(zlib.inflateRaw);
 const scryptAsync = promisify(crypto.scrypt);
+const randomBytesAsync = promisify(crypto.randomBytes);
 
 /**
  * Only you will know what's inside your...
@@ -63,7 +63,6 @@ const compressionFlagsShift = 0;
 const payloadFlagsMask = (availableFlags.BufferPayload);
 const payloadFlagsShift = 7;
 
-
 class MysteryBox extends EventEmitter {
   /**
    * @param {Object} options
@@ -72,7 +71,7 @@ class MysteryBox extends EventEmitter {
    */
   constructor(options = {}, ...args) {
     super(...args);
-    this.secrets = common.ensureArray(options.encryptionSecret);
+    this.secrets = MysteryBox._ensureArray(options.encryptionSecret);
     if (!this.secrets.length) {
       throw new MysteryBoxError('missing encryption secret');
     }
@@ -105,6 +104,21 @@ class MysteryBox extends EventEmitter {
   }
 
 
+  /**
+   * Return an array containing x if x is something and not an array
+   * @param {*} x
+   */
+  static _ensureArray(x) {
+    if (x === undefined) {
+      return [];
+    }
+    if (!Array.isArray(x)) {
+      return Array(x);
+    }
+    return x;
+  }
+
+
   /**
    * Parse the bits out of the flags.
    */
@@ -327,7 +341,7 @@ class MysteryBox extends EventEmitter {
     const [iv, salt] = await Promise.all([
       v.ivBytes,
       v.saltBytes,
-    ].map((b) => common.randomBytesAsync(b)));
+    ].map((b) => randomBytesAsync(b)));
 
     timingsMs.preCompress = performance.now();
     let compressedContents;
diff --git a/test/lib/common.js b/test/lib/common.js
deleted file mode 100644
index ad93ea1..0000000
--- a/test/lib/common.js
+++ /dev/null
@@ -1,39 +0,0 @@
-/* eslint-env mocha */
-'use strict';
-
-const assert = require('assert');
-const common = require('../../lib/common');
-
-describe('Common', function () {
-
-  describe('fileScope', function () {
-    it('names a file path', function () {
-      const filename = 'lib/foo/bar.js';
-      const result = common.fileScope(filename)('baz');
-      assert.strictEqual(result, 'bar:baz');
-    });
-    it('names an index path', function () {
-      const filename = 'lib/foo/index.js';
-      const result = common.fileScope(filename)('baz');
-      assert.strictEqual(result, 'foo:baz');
-    });
-  }); // fileScope
-
-  describe('ensureArray', function () {
-    it('returns empty array for no data', function () {
-      const result = common.ensureArray();
-      assert.deepStrictEqual(result, []);
-    });
-    it('returns same array passed in', function () {
-      const expected = [1, 2, 3, 'foo'];
-      const result = common.ensureArray(expected);
-      assert.deepStrictEqual(result, expected);
-    });
-    it('returns array containing non-array data', function () {
-      const data = 'bar';
-      const result = common.ensureArray(data);
-      assert.deepStrictEqual(result, [data]);
-    });
-  }); // ensureArray
-
-}); // Common
diff --git a/test/lib/mystery-box.js b/test/lib/mystery-box.js
index e949139..510362b 100644
--- a/test/lib/mystery-box.js
+++ b/test/lib/mystery-box.js
@@ -63,6 +63,23 @@ describe('MysteryBox', function () {
     });
   }); // constructor
 
+  describe('_ensureArray', function () {
+    it('returns empty array for no data', function () {
+      const result = MysteryBox._ensureArray();
+      assert.deepStrictEqual(result, []);
+    });
+    it('returns same array passed in', function () {
+      const expected = [1, 2, 3, 'foo'];
+      const result = MysteryBox._ensureArray(expected);
+      assert.deepStrictEqual(result, expected);
+    });
+    it('returns array containing non-array data', function () {
+      const data = 'bar';
+      const result = MysteryBox._ensureArray(data);
+      assert.deepStrictEqual(result, [data]);
+    });
+  }); // _ensureArray
+
   describe('_keyFromSecret', function () {
     it('covers invalid', async function () {
       assert.rejects(() => MysteryBox._keyFromSecret('unknown deriver', 'secret', 'salt', 32), MysteryBoxError);