metautil - npm Package Compare versions

Comparing version 3.0.1 to 3.1.0

CHANGELOG.md

@@ -5,2 +5,9 @@ # Changelog
 
+## [3.1.0][] - 2021-01-22
+
+- Added isFirstUpper to check is first char an upper case letter
+- Added isConstant to check is string UPPER_SNAKE case
+- Added makePrivate to emulate protected fields for objects
+- Added protect to freeze interfaces except listed
+
 ## [3.0.1][] - 2021-01-18
@@ -20,5 +27,6 @@
 
-[unreleased]: https://github.com/metarhia/metautil/compare/v3.0.1...HEAD
+[unreleased]: https://github.com/metarhia/metautil/compare/v3.1.0...HEAD
+[3.1.0]: https://github.com/metarhia/metautil/compare/v3.0.1...v3.1.0
 [3.0.1]: https://github.com/metarhia/metautil/compare/v3.0.0...v3.0.1
 [3.0.0]: https://github.com/metarhia/metautil/compare/v2.2.0...v3.0.0
 [2.2.0]: https://github.com/metarhia/common/releases/tag/v2.2.0

metautil.js

@@ -87,2 +87,6 @@ 'use strict';
 
+const isFirstUpper = (s) => !!s && s[0] === s[0].toUpperCase();
+
+const isConstant = (s) => s === s.toUpperCase();
+
 const twoDigit = (n) => {
@@ -151,2 +155,28 @@ const s = n.toString();
 
+const makePrivate = (instance) => {
+  const iface = {};
+  const fields = Object.keys(instance);
+  for (const fieldName of fields) {
+    const field = instance[fieldName];
+    if (isConstant(fieldName)) {
+      iface[fieldName] = field;
+    } else if (typeof field === 'function') {
+      const bindedMethod = field.bind(instance);
+      iface[fieldName] = bindedMethod;
+      instance[fieldName] = bindedMethod;
+    }
+  }
+  return iface;
+};
+
+const protect = (allowMixins, ...namespaces) => {
+  for (const namespace of namespaces) {
+    const names = Object.keys(namespace);
+    for (const name of names) {
+      const target = namespace[name];
+      if (!allowMixins.includes(name)) Object.freeze(target);
+    }
+  }
+};
+
 module.exports = {
@@ -159,2 +189,4 @@ sample,
   between,
+  isFirstUpper,
+  isConstant,
   nowDate,
@@ -168,2 +200,4 @@ duration,
   cryptoRandom,
+  makePrivate,
+  protect,
 };

package.json

 {
   "name": "metautil",
-  "version": "3.0.1",
+  "version": "3.1.0",
   "author": "Timur Shemsedinov <[e-mail]>",
@@ -38,3 +38,3 @@ "license": "MIT",
     "eslint-config-metarhia": "^7.0.1",
-    "eslint-config-prettier": "^7.0.0",
+    "eslint-config-prettier": "^7.2.0",
     "eslint-plugin-import": "^2.22.1",
@@ -41,0 +41,0 @@ "eslint-plugin-prettier": "^3.3.0",

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Improved metrics

Total package byte prevSize

8831

increased by16.03%

Lines of code

175

increased by20.69%

No dependency changes