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fix await parens for property access and calls (#2181)

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fixes #2179
This commit is contained in:
kzc
2017-06-29 21:14:24 -04:00
committed by Alex Lam S.L
parent 945db924fc
commit 07a5a57336
2 changed files with 22 additions and 0 deletions
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6
lib/output.js
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@@ -673,6 +673,12 @@ function OutputStream(options) {
&& this.operator !== "--";
});
PARENS(AST_Await, function(output){
var p = output.parent();
return p instanceof AST_PropAccess && p.expression === this
|| p instanceof AST_Call && p.expression === this;
});
PARENS(AST_Sequence, function(output){
var p = output.parent();
return p instanceof AST_Call // (foo, bar)() or foo(1, (2, 3), 4)

16
test/compress/async.js
View File

@@ -6,6 +6,22 @@ await_precedence: {
expect_exact: "async function f1(){await x+y}async function f2(){await(x+y)}"
}
await_precedence_prop: {
input: {
async function f1(){ return (await foo()).bar; }
async function f2(){ return (await foo().bar); }
}
expect_exact: "async function f1(){return(await foo()).bar}async function f2(){return await foo().bar}"
}
await_precedence_call: {
input: {
async function f3(){ return (await foo())(); }
async function f4(){ return await (foo()()); }
}
expect_exact: "async function f3(){return(await foo())()}async function f4(){return await foo()()}"
}
async_function_declaration: {
options = {
side_effects: true,