code-red - npm Package Compare versions

Comparing version 0.0.29 to 0.0.30

CHANGELOG.md

 # code-red changelog
 
+## 0.0.30
+
+* Wrap `await` argument in parens if necessary ([#24](https://github.com/Rich-Harris/code-red/issues/24))
+
 ## 0.0.29
@@ -4,0 +8,0 @@

dist/code-red.js

@@ -68,5 +68,2 @@ (function (global, factory) {
 
-	// Enables parenthesis regardless of precedence
-	const NEEDS_PARENTHESES = 17;
-
 	const EXPRESSIONS_PRECEDENCE = {
@@ -84,6 +81,7 @@ ArrayExpression: 20,
 		NewExpression: 19,
-		ArrowFunctionExpression: NEEDS_PARENTHESES,
-		ClassExpression: NEEDS_PARENTHESES,
-		FunctionExpression: NEEDS_PARENTHESES,
-		ObjectExpression: NEEDS_PARENTHESES, // TODO this results in e.g. `o = o || {}` => `o = o || ({})`
+		AwaitExpression: 17,
+		ArrowFunctionExpression: 17,
+		ClassExpression: 17,
+		FunctionExpression: 17,
+		ObjectExpression: 17,
 		UpdateExpression: 16,
@@ -95,3 +93,2 @@ UnaryExpression: 15,
 		AssignmentExpression: 3,
-		AwaitExpression: 2,
 		YieldExpression: 2,
@@ -103,7 +100,2 @@ RestElement: 1
 		const precedence = EXPRESSIONS_PRECEDENCE[node.type];
-
-		if (precedence === NEEDS_PARENTHESES) {
-			return true;
-		}
-
 		const parent_precedence = EXPRESSIONS_PRECEDENCE[parent.type];
@@ -294,6 +286,5 @@
 			if (
-				precedence === NEEDS_PARENTHESES ||
-				(precedence === 3 && (node.expression ).left.type === 'ObjectPattern')
+				precedence === 3 && (node.expression ).left.type === 'ObjectPattern'
 			) {
-				// Should always have parentheses or is an AssignmentExpression to an ObjectPattern
+				// is an AssignmentExpression to an ObjectPattern
 				return [
@@ -821,3 +812,9 @@ c('('),
 			if (node.argument) {
-				return [c('await '), ...handle(node.argument, state)];
+				const precedence = EXPRESSIONS_PRECEDENCE[node.argument.type];
+
+				if (precedence && (precedence < EXPRESSIONS_PRECEDENCE.AwaitExpression)) {
+					return [c('await ('), ...handle(node.argument, state), c(')')];
+				} else {
+					return [c('await '), ...handle(node.argument, state)];
+				}
 			}
@@ -824,0 +821,0 @@

package.json

 {
   "name": "code-red",
   "description": "code-red",
-  "version": "0.0.29",
+  "version": "0.0.30",
   "repository": "Rich-Harris/code-red",
@@ -6,0 +6,0 @@ "main": "dist/code-red.js",

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Worsened metrics

Total package byte prevSize

81069

decreased by-0.11%

Lines of code

2820

decreased by-0.07%

No dependency changes