promise-toolbox - npm Package Compare versions

Comparing version 0.8.2 to 0.8.3

dist/index.js

@@ -6,3 +6,3 @@ 'use strict';
 });
-exports.TimeoutError = exports.promisifyAll = exports.promisify = exports.finally = exports.fromCallback = exports.forOwn = exports.forIterable = exports.forIn = exports.forEach = exports.forArray = exports.makeAsyncIterator = exports.defer = exports.cancelable = exports.cancellable = exports.CancelToken = exports.Cancel = exports.nodeify = exports.isPromise = undefined;
+exports.try = exports.attempt = exports.TimeoutError = exports.promisifyAll = exports.promisify = exports.finally = exports.fromCallback = exports.forOwn = exports.forIterable = exports.forIn = exports.forEach = exports.forArray = exports.makeAsyncIterator = exports.defer = exports.cancelable = exports.cancellable = exports.CancelToken = exports.Cancel = exports.nodeify = exports.isPromise = undefined;
 
@@ -263,3 +263,3 @@ var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 var _cancelTokenTag = 'CancelToken';
-var _toStringTagSymbol = typeof Symbol === 'function' && Symbol.toStringTag || '@@toStringTag';
+var _toStringTagSymbol = typeof Symbol === 'function' && Symbol.toStringTag !== undefined || '@@toStringTag';
 
@@ -324,3 +324,3 @@ // https://github.com/zenparsing/es-cancel-token
       var resolve = _this._resolve;
-      if (resolve) {
+      if (resolve !== null) {
         _this._resolve = null;
@@ -332,3 +332,3 @@ resolve(reason);
       var listeners = _this._listeners;
-      if (listeners) {
+      if (listeners !== null) {
         _this._listeners = null;
@@ -349,5 +349,5 @@ _forArray(listeners, function (listener) {
     value: function throwIfRequested() {
-      var cancel = this._reason;
-      if (cancel) {
-        throw cancel;
+      var reason = this._reason;
+      if (reason !== undefined) {
+        throw reason;
       }
@@ -366,3 +366,3 @@ }
       var promise = this._promise;
-      if (!promise) {
+      if (promise === null) {
         var reason = this._reason;
@@ -411,3 +411,3 @@ promise = this._promise = reason ? Promise.resolve(reason) : new Promise(function (resolve) {
 var cancellable = exports.cancellable = function cancellable(target, name, descriptor) {
-  var fn = descriptor ? descriptor.value : target;
+  var fn = descriptor !== undefined ? descriptor.value : target;
 
@@ -417,3 +417,3 @@ function cancellableWrapper() {
 
-    if (length && CancelToken.isCancelToken(arguments[0])) {
+    if (length !== 0 && CancelToken.isCancelToken(arguments[0])) {
       return fn.apply(this, arguments);
@@ -438,3 +438,3 @@ }
 
-  if (descriptor) {
+  if (descriptor !== undefined) {
     descriptor.value = cancellableWrapper;
@@ -904,3 +904,13 @@ return descriptor;
 
+var attempt = exports.attempt = function attempt(fn) {
+  return new Promise(function (resolve) {
+    return resolve(fn());
+  });
+};
+exports.try = attempt;
+
+// -------------------------------------------------------------------
+
 // Usage: fn::unpromisify()
+
 function unpromisify() {
@@ -907,0 +917,0 @@ var fn = this;

dist/umd.js

@@ -1,2 +0,2 @@
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package.json

 {
   "name": "promise-toolbox",
-  "version": "0.8.2",
+  "version": "0.8.3",
   "license": "ISC",
@@ -34,24 +34,24 @@ "description": "Essential utils for promises",
   "dependencies": {
-    "make-error": "^1.2.2"
+    "make-error": "^1.2.3"
   },
   "devDependencies": {
-    "babel-cli": "^6.23.0",
-    "babel-eslint": "^7.1.1",
-    "babel-preset-env": "^1.1.10",
-    "babel-preset-stage-0": "^6.22.0",
-    "babili": "^0.0.11",
-    "browserify": "^14.1.0",
-    "cross-env": "^3.1.4",
+    "babel-cli": "^6.24.1",
+    "babel-eslint": "^7.2.3",
+    "babel-preset-env": "^1.4.0",
+    "babel-preset-stage-0": "^6.24.1",
+    "babili": "^0.0.12",
+    "browserify": "^14.3.0",
+    "cross-env": "^4.0.0",
     "dependency-check": "^2.8.0",
-    "husky": "^0.13.1",
+    "husky": "^0.13.3",
     "jest": "^19.0.2",
     "rimraf": "^2.6.1",
-    "standard": "^9.0.0"
+    "standard": "^10.0.2"
   },
   "scripts": {
     "build": "cross-env NODE_ENV=production babel --source-maps --out-dir=dist/ src/",
-    "postbuild": "browserify -s promiseToolbox dist/index.js | babili > dist/umd.js",
     "commitmsg": "npm test",
     "dev": "cross-env NODE_ENV=development babel --watch --source-maps --out-dir=dist/ src/",
     "dev-test": "jest --bail --watch",
+    "postbuild": "browserify -s promiseToolbox dist/index.js | babili > dist/umd.js",
     "posttest": "standard && dependency-check ./package.json",
@@ -64,2 +64,8 @@ "prebuild": "rimraf dist/",
   "babel": {
+    "env": {
+      "test": {
+        "ignore": null
+      }
+    },
+    "ignore": "*.spec.js",
     "presets": [
@@ -79,2 +85,3 @@ [
   "jest": {
+    "testEnvironment": "node",
     "roots": [
@@ -81,0 +88,0 @@ "<rootDir>/src"

README.md

@@ -237,2 +237,20 @@ # promise-toolbox [![Build Status](https://travis-ci.org/JsCommunity/promise-toolbox.png?branch=master)](https://travis-ci.org/JsCommunity/promise-toolbox)
 
+#### try(fn) / attempt(fn)
+
+> Starts a chain of promises.
+
+```js
+import PromiseToolbox from 'promise-toolbox'
+
+const getUserById = id => PromiseToolbox.try(() => {
+  if (typeof id !== 'number') {
+    throw new Error('id must be a number')
+  }
+  return db.getUserById(id)
+})
+```
+
+> Note: similar to `Promise.resolve().then(fn)` but calls `fn()`
+> synchronously.
+
 ### Pseudo-methods
@@ -239,0 +257,0 @@

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Improved metrics

Number of lines in readme file

526

increased by3.54%

Worsened metrics

Total package byte prevSize

90886

decreased by-41.17%

Number of package files

5

decreased by-28.57%

Lines of code

807

decreased by-52.05%

Dependency changes

• Updatedmake-error@^1.2.3