check-types - npm Package Compare versions

Comparing version 10.1.2 to 11.0.0

HISTORY.md

 # History
 
+## 11.0.0
+
+### Breaking changes
+
+* api: remove trim option from emptyString and nonEmptyString (3747900)
+
+### New features
+
+* predicates: implement float (b6bf1dc)
+* predicates: implement throws (018f50a)
+* predicates: implement one (3fb7424)
+
+### Bug fixes
+
+* lib: stop object predicates throwing when prototypes is null (b0bab07)
+
+### Other changes
+
+* tests: add missing test case for assert.throws (6f9c2f7)
+* docs: update author list (81ab8a9)
+
 ## 10.1.2
@@ -4,0 +25,0 @@

package.json

 {
     "name": "check-types",
-    "version": "10.1.2",
+    "version": "11.0.0",
     "description": "A little library for asserting types and values.",
@@ -5,0 +5,0 @@ "homepage": "https://gitlab.com/philbooth/check-types.js",

README.md

@@ -49,3 +49,3 @@ # check-types.js
 to check arguments
-and throw exceptions
+and throw errors
 is a task that
@@ -64,3 +64,3 @@ swiftly becomes tiresome
 
-23 kb unminified with comments, 6.9 kb minified, 2.5 kb minified + gzipped.
+24 kb unminified with comments, 7 kb minified, 2.5 kb minified + gzipped.
 
@@ -259,6 +259,2 @@ ## How do I install it?
   `false` otherwise.
-  If `options.trim` is truthy
-  and `thing` is a string,
-  `thing.trim()` will be called
-  before making the comparison.
 
@@ -269,6 +265,2 @@ * `check.nonEmptyString(thing, options)`:
   `false` otherwise.
-  If `options.trim` is truthy
-  and `thing` is a string,
-  `thing.trim()` will be called
-  before making the comparison.
 
@@ -307,2 +299,7 @@ * `check.contains(string, substring)`:
 
+* `check.float(thing)`:
+  Returns `true`
+  if `thing` is a non-integer number,
+  `false` otherwise.
+
 * `check.zero(thing)`:
@@ -313,2 +310,7 @@ Returns `true`
 
+* `check.one(thing)`:
+  Returns `true`
+  if `thing` is one,
+  `false` otherwise.
+
 * `check.infinity(thing)`:
@@ -497,2 +499,7 @@ Returns `true`
 
+* `check.throws(() => thing())`:
+  Returns `true`
+  if `thing` is a function that throws,
+  `false` otherwise.
+
 #### Modifiers
@@ -709,2 +716,16 @@
 
+```javascript
+check.throws(() => {
+  testFunction({called: 'with wrong parameters'}); // Throws on wrong parameters
+});
+// Returns true
+```
+
+```javascript
+await check.rejects(async() => {
+  await testFunction({called: 'with wrong parameters'}); // Throws on wrong parameters
+});
+// Returns true
+```
+
 ## Are there TypeScript definitions?
@@ -744,2 +765,22 @@
 
+## What changed from 10.x to 11.x?
+
+Breaking changes
+were made to the API
+in version 11.0.0.
+
+Specifically,
+the `options` argument was removed
+from the `emptyString` and `nonEmptyString` predicates
+because it caused problematic behaviour in the `assert` modifier.
+Callers who were previously using `options.trim` with these predicates
+should call `check.match` instead:
+
+```js
+check.match(stringWithSpaces, /^\s*$/);
+```
+
+See the [history][history11]
+for more details.
+
 ## What changed from 9.x to 10.x?
@@ -746,0 +787,0 @@

src/check-types.js

@@ -8,3 +8,4 @@ /*globals define, module, Symbol, Map, Set */
   var messages, predicates, functions, assert, not, maybe, collections,
-     slice, neginf, posinf, isArray, keys, haveSymbols, haveMaps, haveSets;
+     hasOwnProperty, toString, keys, slice, isArray, neginf, posinf,
+     haveSymbols, haveMaps, haveSets;
 
@@ -25,5 +26,7 @@ messages = {};
     { n: 'zero', f: zero, s: 'be 0' },
+    { n: 'one', f: one, s: 'be 1' },
     { n: 'infinity', f: infinity, s: 'be infinity' },
     { n: 'number', f: number, s: 'be Number' },
     { n: 'integer', f: integer, s: 'be integer' },
+    { n: 'float', f: float, s: 'be non-integer number' },
     { n: 'even', f: even, s: 'be even number' },
@@ -58,2 +61,3 @@ { n: 'odd', f: odd, s: 'be odd number' },
     { n: 'hasLength', f: hasLength, s: 'have length {e}' },
+    { n: 'throws', f: throws, s: 'throw' }
   ].map(function (data) {
@@ -72,7 +76,9 @@ var n = data.n;
   collections = [ 'array', 'arrayLike', 'iterable', 'object' ];
+  hasOwnProperty = Object.prototype.hasOwnProperty;
+  toString = Object.prototype.toString;
+  keys = Object.keys;
   slice = Array.prototype.slice;
+  isArray = Array.isArray;
   neginf = Number.NEGATIVE_INFINITY;
   posinf = Number.POSITIVE_INFINITY;
-  isArray = Array.isArray;
-  keys = Object.keys;
   haveSymbols = typeof Symbol === 'function';
@@ -167,2 +173,11 @@ haveMaps = typeof Map === 'function';
   /**
+   * Public function `one`.
+   *
+   * Returns true if `data` is one, false otherwise.
+   */
+  function one (data) {
+    return data === 1;
+  }
+
+  /**
    * Public function `infinity`.
@@ -195,2 +210,11 @@ *
   /**
+   * Public function `float`.
+   *
+   * Returns true if `data` is a non-integer number, false otherwise.
+   */
+  function float (data) {
+    return number(data) && data % 1 !== 0;
+  }
+
+  /**
    * Public function `even`.
@@ -309,7 +333,3 @@ *
    */
-  function emptyString (data, options) {
-    if (options && options.trim && string(data)) {
-      return data.trim() === '';
-    }
-
+  function emptyString (data) {
     return data === '';
@@ -323,7 +343,3 @@ }
    */
-  function nonEmptyString (data, options) {
-    if (options && options.trim) {
-      return string(data) && data.trim() !== '';
-    }
-
+  function nonEmptyString (data) {
     return string(data) && data !== '';
@@ -356,3 +372,3 @@ }
   function object (data) {
-    return Object.prototype.toString.call(data) === '[object Object]';
+    return toString.call(data) === '[object Object]';
   }
@@ -373,3 +389,3 @@
     for (var key in data) {
-      if (data.hasOwnProperty(key)) {
+      if (hasOwnProperty.call(data, key)) {
         if (predicate(key, data[key])) {
@@ -419,3 +435,3 @@ return true;
         data.constructor.name === prototype.name ||
-        Object.prototype.toString.call(data) === '[object ' + prototype.name + ']';
+        toString.call(data) === '[object ' + prototype.name + ']';
     } catch (error) {
@@ -436,4 +452,4 @@ return false;
     for (name in archetype) {
-      if (archetype.hasOwnProperty(name)) {
-        if (data.hasOwnProperty(name) === false || typeof data[name] !== typeof archetype[name]) {
+      if (hasOwnProperty.call(archetype, name)) {
+        if (hasOwnProperty.call(data, name) === false || typeof data[name] !== typeof archetype[name]) {
           return false;
@@ -612,2 +628,21 @@ }
   /**
+   * Public function `throws`.
+   *
+   * Returns true if `data` is a function that throws, false otherwise.
+   */
+  function throws (data) {
+    if (! isFunction(data)) {
+      return false;
+    }
+
+    try {
+      data();
+    } catch (error) {
+      return true;
+    }
+
+    return false;
+  }
+
+  /**
    * Public function `map`.
@@ -665,3 +700,3 @@ *
     for (var key in object) {
-      if (object.hasOwnProperty(key)) {
+      if (hasOwnProperty.call(object, key)) {
         action(key, object[key]);
@@ -704,3 +739,3 @@ }
     for (key in data) {
-      if (data.hasOwnProperty(key)) {
+      if (hasOwnProperty.call(data, key)) {
         value = data[key];
@@ -707,0 +742,0 @@

src/check-types.min.js

@@ -1,1 +0,1 @@
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