node_modules/brace-expansion/index.js in immosquare-cleaner-0.1.42 vs node_modules/brace-expansion/index.js in immosquare-cleaner-0.1.43

@@ -1,5 +1,6 @@
+var concatMap = require('concat-map');
 var balanced = require('balanced-match');
 
 module.exports = expandTop;
 
 var escSlash = '\0SLASH'+Math.random()+'\0';
@@ -76,10 +77,14 @@
   }
 
   return expand(escapeBraces(str), true).map(unescapeBraces);
 }
 
+function identity(e) {
+  return e;
+}
+
 function embrace(str) {
   return '{' + str + '}';
 }
 function isPadded(el) {
   return /^-?0\d/.test(el);
@@ -94,108 +99,101 @@
 
 function expand(str, isTop) {
   var expansions = [];
 
   var m = balanced('{', '}', str);
-  if (!m) return [str];
+  if (!m || /\$$/.test(m.pre)) return [str];
 
+  var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
+  var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
+  var isSequence = isNumericSequence || isAlphaSequence;
+  var isOptions = m.body.indexOf(',') >= 0;
+  if (!isSequence && !isOptions) {
+    // {a},b}
+    if (m.post.match(/,.*\}/)) {
+      str = m.pre + '{' + m.body + escClose + m.post;
+      return expand(str);
+    }
+    return [str];
+  }
+
+  var n;
+  if (isSequence) {
+    n = m.body.split(/\.\./);
+  } else {
+    n = parseCommaParts(m.body);
+    if (n.length === 1) {
+      // x{{a,b}}y ==> x{a}y x{b}y
+      n = expand(n[0], false).map(embrace);
+      if (n.length === 1) {
+        var post = m.post.length
+          ? expand(m.post, false)
+          : [''];
+        return post.map(function(p) {
+          return m.pre + n[0] + p;
+        });
+      }
+    }
+  }
+
+  // at this point, n is the parts, and we know it's not a comma set
+  // with a single entry.
+
   // no need to expand pre, since it is guaranteed to be free of brace-sets
   var pre = m.pre;
   var post = m.post.length
     ? expand(m.post, false)
     : [''];
 
-  if (/\$$/.test(m.pre)) {    
-    for (var k = 0; k < post.length; k++) {
-      var expansion = pre+ '{' + m.body + '}' + post[k];
-      expansions.push(expansion);
-    }
-  } else {
-    var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
-    var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
-    var isSequence = isNumericSequence || isAlphaSequence;
-    var isOptions = m.body.indexOf(',') >= 0;
-    if (!isSequence && !isOptions) {
-      // {a},b}
-      if (m.post.match(/,.*\}/)) {
-        str = m.pre + '{' + m.body + escClose + m.post;
-        return expand(str);
-      }
-      return [str];
-    }
+  var N;
 
-    var n;
-    if (isSequence) {
-      n = m.body.split(/\.\./);
-    } else {
-      n = parseCommaParts(m.body);
-      if (n.length === 1) {
-        // x{{a,b}}y ==> x{a}y x{b}y
-        n = expand(n[0], false).map(embrace);
-        if (n.length === 1) {
-          return post.map(function(p) {
-            return m.pre + n[0] + p;
-          });
-        }
-      }
+  if (isSequence) {
+    var x = numeric(n[0]);
+    var y = numeric(n[1]);
+    var width = Math.max(n[0].length, n[1].length)
+    var incr = n.length == 3
+      ? Math.abs(numeric(n[2]))
+      : 1;
+    var test = lte;
+    var reverse = y < x;
+    if (reverse) {
+      incr *= -1;
+      test = gte;
     }
+    var pad = n.some(isPadded);
 
-    // at this point, n is the parts, and we know it's not a comma set
-    // with a single entry.
-    var N;
+    N = [];
 
-    if (isSequence) {
-      var x = numeric(n[0]);
-      var y = numeric(n[1]);
-      var width = Math.max(n[0].length, n[1].length)
-      var incr = n.length == 3
-        ? Math.abs(numeric(n[2]))
-        : 1;
-      var test = lte;
-      var reverse = y < x;
-      if (reverse) {
-        incr *= -1;
-        test = gte;
-      }
-      var pad = n.some(isPadded);
-
-      N = [];
-
-      for (var i = x; test(i, y); i += incr) {
-        var c;
-        if (isAlphaSequence) {
-          c = String.fromCharCode(i);
-          if (c === '\\')
-            c = '';
-        } else {
-          c = String(i);
-          if (pad) {
-            var need = width - c.length;
-            if (need > 0) {
-              var z = new Array(need + 1).join('0');
-              if (i < 0)
-                c = '-' + z + c.slice(1);
-              else
-                c = z + c;
-            }
+    for (var i = x; test(i, y); i += incr) {
+      var c;
+      if (isAlphaSequence) {
+        c = String.fromCharCode(i);
+        if (c === '\\')
+          c = '';
+      } else {
+        c = String(i);
+        if (pad) {
+          var need = width - c.length;
+          if (need > 0) {
+            var z = new Array(need + 1).join('0');
+            if (i < 0)
+              c = '-' + z + c.slice(1);
+            else
+              c = z + c;
           }
         }
-        N.push(c);
       }
-    } else {
-      N = [];
-
-      for (var j = 0; j < n.length; j++) {
-        N.push.apply(N, expand(n[j], false));
-      }
+      N.push(c);
     }
+  } else {
+    N = concatMap(n, function(el) { return expand(el, false) });
+  }
 
-    for (var j = 0; j < N.length; j++) {
-      for (var k = 0; k < post.length; k++) {
-        var expansion = pre + N[j] + post[k];
-        if (!isTop || isSequence || expansion)
-          expansions.push(expansion);
-      }
+  for (var j = 0; j < N.length; j++) {
+    for (var k = 0; k < post.length; k++) {
+      var expansion = pre + N[j] + post[k];
+      if (!isTop || isSequence || expansion)
+        expansions.push(expansion);
     }
   }
 
   return expansions;
 }