esutils - npm Package Compare versions

Comparing version 2.0.1 to 2.0.2

lib/code.js

@@ -29,3 +29,3 @@ /*
 
-    var ES6Regex, ES5Regex, NON_ASCII_WHITESPACES;
+    var ES6Regex, ES5Regex, NON_ASCII_WHITESPACES, IDENTIFIER_START, IDENTIFIER_PART, ch;
 
@@ -48,13 +48,13 @@ // See `tools/generate-identifier-regex.js`.
     function isDecimalDigit(ch) {
-        return (ch >= 48 && ch <= 57);   // 0..9
+        return 0x30 <= ch && ch <= 0x39;  // 0..9
     }
 
     function isHexDigit(ch) {
-        return isDecimalDigit(ch) ||    // 0..9
-            (97 <= ch && ch <= 102) ||  // a..f
-            (65 <= ch && ch <= 70);     // A..F
+        return 0x30 <= ch && ch <= 0x39 ||  // 0..9
+            0x61 <= ch && ch <= 0x66 ||     // a..f
+            0x41 <= ch && ch <= 0x46;       // A..F
     }
 
     function isOctalDigit(ch) {
-        return (ch >= 48 && ch <= 55);   // 0..7
+        return ch >= 0x30 && ch <= 0x37;  // 0..7
     }
@@ -73,4 +73,4 @@
     function isWhiteSpace(ch) {
-        return (ch === 0x20) || (ch === 0x09) || (ch === 0x0B) || (ch === 0x0C) || (ch === 0xA0) ||
-            (ch >= 0x1680 && NON_ASCII_WHITESPACES.indexOf(ch) >= 0);
+        return ch === 0x20 || ch === 0x09 || ch === 0x0B || ch === 0x0C || ch === 0xA0 ||
+            ch >= 0x1680 && NON_ASCII_WHITESPACES.indexOf(ch) >= 0;
     }
@@ -81,3 +81,3 @@
     function isLineTerminator(ch) {
-        return (ch === 0x0A) || (ch === 0x0D) || (ch === 0x2028) || (ch === 0x2029);
+        return ch === 0x0A || ch === 0x0D || ch === 0x2028 || ch === 0x2029;
     }
@@ -94,30 +94,33 @@
 
+    IDENTIFIER_START = new Array(0x80);
+    for(ch = 0; ch < 0x80; ++ch) {
+        IDENTIFIER_START[ch] =
+            ch >= 0x61 && ch <= 0x7A ||  // a..z
+            ch >= 0x41 && ch <= 0x5A ||  // A..Z
+            ch === 0x24 || ch === 0x5F;  // $ (dollar) and _ (underscore)
+    }
+
+    IDENTIFIER_PART = new Array(0x80);
+    for(ch = 0; ch < 0x80; ++ch) {
+        IDENTIFIER_PART[ch] =
+            ch >= 0x61 && ch <= 0x7A ||  // a..z
+            ch >= 0x41 && ch <= 0x5A ||  // A..Z
+            ch >= 0x30 && ch <= 0x39 ||  // 0..9
+            ch === 0x24 || ch === 0x5F;  // $ (dollar) and _ (underscore)
+    }
+
     function isIdentifierStartES5(ch) {
-        return (ch >= 97 && ch <= 122) ||     // a..z
-            (ch >= 65 && ch <= 90) ||         // A..Z
-            (ch === 36) || (ch === 95) ||     // $ (dollar) and _ (underscore)
-            ((ch >= 0x80) && ES5Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch)));
+        return ch < 0x80 ? IDENTIFIER_START[ch] : ES5Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch));
     }
 
     function isIdentifierPartES5(ch) {
-        return (ch >= 97 && ch <= 122) ||     // a..z
-            (ch >= 65 && ch <= 90) ||         // A..Z
-            (ch >= 48 && ch <= 57) ||         // 0..9
-            (ch === 36) || (ch === 95) ||     // $ (dollar) and _ (underscore)
-            ((ch >= 0x80) && ES5Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch)));
+        return ch < 0x80 ? IDENTIFIER_PART[ch] : ES5Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch));
     }
 
     function isIdentifierStartES6(ch) {
-        return (ch >= 97 && ch <= 122) ||     // a..z
-            (ch >= 65 && ch <= 90) ||         // A..Z
-            (ch === 36) || (ch === 95) ||     // $ (dollar) and _ (underscore)
-            ((ch >= 0x80) && ES6Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch)));
+        return ch < 0x80 ? IDENTIFIER_START[ch] : ES6Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch));
     }
 
     function isIdentifierPartES6(ch) {
-        return (ch >= 97 && ch <= 122) ||     // a..z
-            (ch >= 65 && ch <= 90) ||         // A..Z
-            (ch >= 48 && ch <= 57) ||         // 0..9
-            (ch === 36) || (ch === 95) ||     // $ (dollar) and _ (underscore)
-            ((ch >= 0x80) && ES6Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch)));
+        return ch < 0x80 ? IDENTIFIER_PART[ch] : ES6Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch));
     }
@@ -124,0 +127,0 @@

package.json

@@ -6,3 +6,3 @@ {
   "main": "lib/utils.js",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "engines": {
@@ -9,0 +9,0 @@ "node": ">=0.10.0"

No alert changes

Improved metrics

Lines of code

498

increased by0.2%

Worsened metrics

Total package byte prevSize

49261

decreased by-0.26%

No dependency changes