regjsparser - npm Package Compare versions

Comparing version 0.5.0 to 0.5.1

package.json

 {
   "name": "regjsparser",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "author": "'Julian Viereck' <[e-mail]>",
@@ -5,0 +5,0 @@ "license": "BSD-2-Clause",

parser.js

@@ -33,2 +33,4 @@ // regjsparser
 //      ( ? ! Disjunction )
+//      ( ? < = Disjunction )
+//      ( ? < ! Disjunction )
 //
@@ -79,5 +81,3 @@ // Quantifier ::
 // IdentityEscape ::
-//      SourceCharacter but not IdentifierPart
-//      <ZWJ>
-//      <ZWNJ>
+//      SourceCharacter but not c
 //
@@ -636,2 +636,7 @@ // DecimalEscape ::
         if (!res) {
+          if (!hasUnicodeFlag && lookahead() == 'c') {
+            // B.1.4 ExtendedAtom
+            // \[lookahead = c]
+            return createValue('symbol', 92, pos - 1, pos);
+          }
           bail('atomEscape');
@@ -644,2 +649,5 @@ }
       }
+      else if (features.lookbehind && (res = parseGroup('(?<=', 'lookbehind', '(?<!', 'negativeLookbehind'))) {
+        return res;
+      }
       else if (features.namedGroups && match("(?<")) {
@@ -712,2 +720,6 @@ var name = parseIdentifier();
           bail('\\B not possible inside of CharacterClass', '', from);
+        } else if (!hasUnicodeFlag && (res = matchReg(/^c([0-9])/))) {
+          // B.1.4
+          // c ClassControlLetter
+          return createEscaped('controlLetter', res[1] + 16, res[1], 2);
         }
@@ -814,2 +826,3 @@ }
       var res;
+      var from = pos;
       if (res = matchReg(/^[fnrtv]/)) {
@@ -833,2 +846,5 @@ // ControlEscape
       } else if (res = parseRegExpUnicodeEscapeSequence()) {
+        if (!res || res.codePoint > 0x10FFFF) {
+          bail('Invalid escape sequence', null, from, pos);
+        }
         return res;
@@ -853,5 +869,4 @@ } else if (features.unicodePropertyEscape && hasUnicodeFlag && (res = matchReg(/^([pP])\{([^\}]+)\}/))) {
       var from = pos;
-      if (!check(ch.charCodeAt(0))) return;
-      incr();
       if (ch === '\\') {
+        incr();
         var esc = parseRegExpUnicodeEscapeSequence();
@@ -863,2 +878,4 @@ if (!esc || !check(esc.codePoint)) {
       }
+      if (!check(ch.charCodeAt(0))) return;
+      incr();
       return ch;
@@ -896,3 +913,3 @@ }
       }
-      
+
       return addRaw({
@@ -912,4 +929,2 @@ type: 'identifier',
         (ch >= 97 && ch <= 122) ||        // a..z
-        (ch >= 48 && ch <= 57) ||         // 0..9
-        (ch === 92) ||                    // \ (backslash)
         ((ch >= 0x80) && NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
@@ -924,2 +939,3 @@ }
       return isIdentifierStart(ch) ||
+        (ch >= 48 && ch <= 57) ||         // 0..9
         ((ch >= 0x80) && NonAsciiIdentifierPartOnly.test(String.fromCharCode(ch)));
@@ -930,12 +946,7 @@ }
       // IdentityEscape ::
-      //      SourceCharacter but not IdentifierPart
-      //      <ZWJ>
-      //      <ZWNJ>
+      //      SourceCharacter but not c
 
-      var ZWJ = '\u200C';
-      var ZWNJ = '\u200D';
-
       var tmp;
 
-      if (!isIdentifierPart(lookahead())) {
+      if (lookahead() !== 'c') {
         tmp = incr();
@@ -945,10 +956,2 @@ return createEscaped('identifier', tmp.charCodeAt(0), tmp, 1);
 
-      if (match(ZWJ)) {
-        // <ZWJ>
-        return createEscaped('identifier', 0x200C, ZWJ);
-      } else if (match(ZWNJ)) {
-        // <ZWNJ>
-        return createEscaped('identifier', 0x200D, ZWNJ);
-      }
-
       return null;
@@ -955,0 +958,0 @@ }

README.md

@@ -20,3 +20,3 @@ # RegJSParser
 // Toggle on/off additional features:
-var parseTree = parse('^a', {
+var parseTree = parse('^a', '', {
   // SEE: https://github.com/jviereck/regjsparser/pull/78
@@ -26,3 +26,6 @@ unicodePropertyEscape: true,
   // SEE: https://github.com/jviereck/regjsparser/pull/83
-  namedGroups: true
+  namedGroups: true,
+
+  // SEE: https://github.com/jviereck/regjsparser/pull/89
+  lookbehind: true
 });
@@ -29,0 +32,0 @@ console.log(parseTree);

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

43586

increased by3.04%

Lines of code

1050

increased by0.48%

Number of lines in readme file

48

increased by6.67%

No dependency changes