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support async function (#4333)

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This commit is contained in:
Alex Lam S.L
2020-12-06 21:22:40 +00:00
committed by GitHub
parent 3c384cf9a8
commit 2cbbf5c375
11 changed files with 434 additions and 62 deletions
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218
test/compress/async.js Normal file
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await_await: {
input: {
(async function() {
console.log("PASS");
await await 42;
})();
}
expect: {
(async function() {
console.log("PASS");
await await 42;
})();
}
expect_stdout: "PASS"
node_version: ">=8"
}
defun_name: {
input: {
async function await() {
console.log("PASS");
}
await();
}
expect: {
async function await() {
console.log("PASS");
}
await();
}
expect_stdout: "PASS"
node_version: ">=8"
}
nested_await: {
input: {
(async function() {
console.log(function(await) {
return await;
}("PASS"));
})();
}
expect: {
(async function() {
console.log(function(await) {
return await;
}("PASS"));
})();
}
expect_stdout: "PASS"
node_version: ">=8"
}
reduce_single_use_defun: {
options = {
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
async function f(a) {
console.log(a);
}
f("PASS");
}
expect: {
(async function(a) {
console.log(a);
})("PASS");
}
expect_stdout: "PASS"
node_version: ">=8"
}
dont_inline: {
options = {
inline: true,
}
input: {
(async function() {
A;
})().catch(function() {});
console.log("PASS");
}
expect: {
(async function() {
A;
})().catch(function() {});
console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=8"
}
evaluate: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a = async function() {}();
console.log(typeof a);
}
expect: {
var a = async function() {}();
console.log(typeof a);
}
expect_stdout: "object"
node_version: ">=8"
}
negate: {
options = {
side_effects: true,
}
input: {
console && async function() {} && console.log("PASS");
}
expect: {
console && async function() {} && console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=8"
}
negate_iife: {
options = {
negate_iife: true,
}
input: {
(async function() {
console.log("PASS");
})();
}
expect: {
!async function() {
console.log("PASS");
}();
}
expect_stdout: "PASS"
node_version: ">=8"
}
collapse_vars_1: {
options = {
collapse_vars: true,
}
input: {
var a = "FAIL";
(async function() {
a = "PASS";
await 42;
return "PASS";
})();
console.log(a);
}
expect: {
var a = "FAIL";
(async function() {
a = "PASS";
await 42;
return "PASS";
})();
console.log(a);
}
expect_stdout: "PASS"
node_version: ">=8"
}
collapse_vars_2: {
options = {
collapse_vars: true,
}
input: {
var a = "FAIL";
(async function() {
await (a = "PASS");
return "PASS";
})();
console.log(a);
}
expect: {
var a = "FAIL";
(async function() {
await (a = "PASS");
return "PASS";
})();
console.log(a);
}
expect_stdout: "PASS"
node_version: ">=8"
}
collapse_vars_3: {
options = {
collapse_vars: true,
}
input: {
var a = "FAIL";
(async function() {
await (a = "PASS", 42);
return "PASS";
})();
console.log(a);
}
expect: {
var a = "FAIL";
(async function() {
await (a = "PASS", 42);
return "PASS";
})();
console.log(a);
}
expect_stdout: "PASS"
node_version: ">=8"
}