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fix corner case in awaits (#5158)

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fixes #5157
This commit is contained in:
Alex Lam S.L
2021-10-29 23:33:10 +08:00
committed by GitHub
parent a0250ec923
commit eb93d92357
2 changed files with 98 additions and 1 deletions
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2
lib/compress.js
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@@ -10334,7 +10334,7 @@ merge(Compressor.prototype, {
do {
node = parent;
parent = compressor.parent(level++);
if (parent instanceof AST_Try && parent.bfinally && parent.bfinally !== node) {
if (parent instanceof AST_Try && member(node, parent.body)) {
drop = false;
break;
}

97
test/compress/awaits.js
View File

@@ -2046,3 +2046,100 @@ issue_5070: {
expect_stdout: "PASS"
node_version: ">=10"
}
issue_5157_async_function: {
options = {
awaits: true,
side_effects: true,
}
input: {
async function f() {
throw "FAIL";
}
(async function() {
try {
return await f();
} catch (e) {
return "PASS";
}
})().then(console.log);
}
expect: {
async function f() {
throw "FAIL";
}
(async function() {
try {
return await f();
} catch (e) {
return "PASS";
}
})().then(console.log);
}
expect_stdout: "PASS"
node_version: ">=8"
}
issue_5157_async_iife: {
options = {
awaits: true,
side_effects: true,
}
input: {
(async function() {
try {
return await async function() {
throw "FAIL";
}();
} catch (e) {
return "PASS";
}
})().then(console.log);
}
expect: {
(async function() {
try {
return await async function() {
throw "FAIL";
}();
} catch (e) {
return "PASS";
}
})().then(console.log);
}
expect_stdout: "PASS"
node_version: ">=8"
}
issue_5157_promise: {
options = {
awaits: true,
side_effects: true,
}
input: {
var p = new Promise(function(resolve, reject) {
reject("FAIL");
});
(async function() {
try {
return await p;
} catch (e) {
return "PASS";
}
})().then(console.log);
}
expect: {
var p = new Promise(function(resolve, reject) {
reject("FAIL");
});
(async function() {
try {
return await p;
} catch (e) {
return "PASS";
}
})().then(console.log);
}
expect_stdout: "PASS"
node_version: ">=8"
}