babylon - npm Package Compare versions

Comparing version 6.0.2 to 6.0.14

lib/parser/expression.js

@@ -192,7 +192,14 @@ /* @flow */
       node.operator = this.state.value;
+
+      if (node.operator === "**" && left.type === "UnaryExpression" && left.extra && !left.extra.parenthesizedArgument) {
+        this.raise(left.argument.start, "Illegal expression. Wrap left hand side or entire exponentiation in parentheses.");
+      }
+
       var op = this.state.type;
       this.next();
-      var startPos = this.state.start,
-          startLoc = this.state.startLoc;
+
+      var startPos = this.state.start;
+      var startLoc = this.state.startLoc;
       node.right = this.parseExprOp(this.parseMaybeUnary(), startPos, startLoc, op.rightAssociative ? prec - 1 : prec, noIn);
+
       this.finishNode(node, op === _tokenizerTypes.types.logicalOR || op === _tokenizerTypes.types.logicalAND ? "LogicalExpression" : "BinaryExpression");
@@ -209,9 +216,16 @@ return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn);
   if (this.state.type.prefix) {
-    var node = this.startNode(),
-        update = this.match(_tokenizerTypes.types.incDec);
+    var node = this.startNode();
+    var update = this.match(_tokenizerTypes.types.incDec);
     node.operator = this.state.value;
     node.prefix = true;
     this.next();
+
+    var argType = this.state.type;
+    this.addExtra(node, "parenthesizedArgument", argType === _tokenizerTypes.types.parenL);
     node.argument = this.parseMaybeUnary();
-    if (refShorthandDefaultPos && refShorthandDefaultPos.start) this.unexpected(refShorthandDefaultPos.start);
+
+    if (refShorthandDefaultPos && refShorthandDefaultPos.start) {
+      this.unexpected(refShorthandDefaultPos.start);
+    }
+
     if (update) {
@@ -222,2 +236,3 @@ this.checkLVal(node.argument);
     }
+
     return this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
@@ -247,8 +262,14 @@ }
       startLoc = this.state.startLoc;
+  var potentialArrowAt = this.state.potentialArrowAt;
   var expr = this.parseExprAtom(refShorthandDefaultPos);
+
+  if (expr.type === "ArrowFunctionExpression" && expr.start === potentialArrowAt) {
+    return expr;
+  }
+
   if (refShorthandDefaultPos && refShorthandDefaultPos.start) {
     return expr;
-  } else {
-    return this.parseSubscripts(expr, startPos, startLoc);
   }
+
+  return this.parseSubscripts(expr, startPos, startLoc);
 };
@@ -277,3 +298,3 @@
     } else if (!noCalls && this.match(_tokenizerTypes.types.parenL)) {
-      var possibleAsync = base.type === "Identifier" && base.name === "async" && !this.canInsertSemicolon();
+      var possibleAsync = this.state.potentialArrowAt === base.start && base.type === "Identifier" && base.name === "async" && !this.canInsertSemicolon();
       this.next();
@@ -743,3 +764,3 @@
 
-  if (!prop.computed && prop.key.type === "Identifier" && (prop.key.name === "get" || prop.key.name === "set") && (!this.match(_tokenizerTypes.types.comma) && !this.match(_tokenizerTypes.types.braceR))) {
+  if (!prop.computed && prop.key.type === "Identifier" && (prop.key.name === "get" || prop.key.name === "set") && !this.match(_tokenizerTypes.types.comma) && !this.match(_tokenizerTypes.types.braceR)) {
     if (isGenerator || isAsync || isPattern) this.unexpected();
@@ -986,2 +1007,5 @@ prop.kind = prop.key.name;
 pp.parseAwait = function (node) {
+  if (!this.state.inAsync) {
+    this.unexpected();
+  }
   if (this.isLineTerminator()) {
@@ -988,0 +1012,0 @@ this.unexpected();

lib/parser/statement.js

@@ -158,4 +158,4 @@ /* @flow */
   // Identifier node, we switch to interpreting it as a label.
-  var maybeName = this.state.value,
-      expr = this.parseExpression();
+  var maybeName = this.state.value;
+  var expr = this.parseExpression();
 
@@ -162,0 +162,0 @@ if (starttype === _tokenizerTypes.types.name && expr.type === "Identifier" && this.eat(_tokenizerTypes.types.colon)) {

lib/plugins/flow.js

@@ -660,2 +660,3 @@ /* @flow */
     return function (node, startLoc, startPos, forceArrow /*:: ?*/) {
+      var canBeArrow = this.state.potentialArrowAt = startPos;
       if (this.match(_tokenizerTypes.types.colon)) {
@@ -670,3 +671,3 @@ var typeCastNode = this.startNodeAt(startLoc, startPos);
 
-        if (this.eat(_tokenizerTypes.types.arrow)) {
+        if (canBeArrow && this.eat(_tokenizerTypes.types.arrow)) {
           // ((lol): number => {});
@@ -960,3 +961,3 @@ var func = this.parseArrowExpression(this.startNodeAt(startLoc, startPos), [node]);
 
-      if (this.lookahead().type === _tokenizerTypes.types.parenR) {
+      if (canBeArrow && this.lookahead().type === _tokenizerTypes.types.parenR) {
         // let foo = (): number => {};
@@ -963,0 +964,0 @@ this.expect(_tokenizerTypes.types.parenL);

package.json

 {
   "name": "babylon",
-  "version": "6.0.2",
+  "version": "6.0.14",
   "description": "A JavaScript parser",
@@ -8,6 +8,6 @@ "author": "Sebastian McKenzie <[e-mail]>",
   "license": "MIT",
-  "repository": "babel/babel",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babylon",
   "main": "lib/index.js",
   "dependencies": {
-    "babel-runtime": "^6.0.2"
+    "babel-runtime": "^5.0.0"
   },
@@ -14,0 +14,0 @@ "bin": {

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Improved metrics

Total package byte prevSize

196792

increased by0.4%

Lines of code

5002

increased by0.28%

Dependency changes

• + Addedbabel-runtime@5.8.38(transitive)

• + Addedcore-js@1.2.7(transitive)

• - Removedbabel-runtime@6.26.0(transitive)

• - Removedcore-js@2.6.12(transitive)

• - Removedregenerator-runtime@0.11.1(transitive)

• Updatedbabel-runtime@^5.0.0