extent - npm Package Compare versions

Comparing version 0.3.0 to 0.3.1

CHANGELOG.md

@@ -0,1 +1,6 @@
+## 0.4.0
+
+* Added shortcut initializer with `[w, s, e, n]` coords.
+* Added `.intersect()` method
+
 ## 0.3.0
@@ -2,0 +7,0 @@

index.js

 module.exports = Extent;
 
-function Extent() {
+function Extent(bbox) {
     if (!(this instanceof Extent)) {
-        return new Extent();
+        return new Extent(bbox);
     }
-    this._bbox = [Infinity, Infinity, -Infinity, -Infinity];
-    this._valid = false;
+    this._bbox = bbox || [Infinity, Infinity, -Infinity, -Infinity];
+    this._valid = !!bbox;
 }
@@ -62,2 +62,16 @@
 
+Extent.prototype.intersect = function(_) {
+    if (!this._valid) return null;
+
+    var other;
+    if (_ instanceof Extent) { other = _.bbox(); } else { other = _; }
+
+    return !(
+      this._bbox[0] > other[2] ||
+      this._bbox[2] < other[0] ||
+      this._bbox[3] < other[1] ||
+      this._bbox[1] > other[3]
+    );
+};
+
 Extent.prototype._fastContains = function() {
@@ -64,0 +78,0 @@ if (!this._valid) return new Function('return null;');

package.json

 {
   "name": "extent",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "a geographic extent object",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -13,2 +13,6 @@ [![Build Status](https://travis-ci.org/mapbox/extent.svg)](https://travis-ci.org/mapbox/extent)
 
+### `extent([w, s, e, n])`
+
+Create a new extent object, given bounds as an array.
+
 ### `extent.include([lon, lat])`
@@ -15,0 +19,0 @@

test/extent.js

@@ -115,1 +115,11 @@ var test = require('tap').test,
 });
+
+test('intersect', function(t) {
+	var bbox1 = [0,0,1,1];
+	var bbox2 = [0.5,0.5,2,2];
+
+	t.equals(Extent(bbox1).intersect(bbox2), true);
+	t.equals(Extent(bbox2).intersect(bbox1), true)
+
+	t.end()
+})

New alerts

Uses eval

Supply chain risk

Package uses dynamic code execution (e.g., eval()), which is a dangerous practice. This can prevent the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Fixed alerts

Uses eval

Supply chain risk

Package uses dynamic code execution (e.g., eval()), which is a dangerous practice. This can prevent the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

9872

7.84%

Lines of code

258

7.5%

Number of lines in readme file

54

8%

No dependency changes