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enhance reduce_vars (#4392)

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This commit is contained in:
Alex Lam S.L
2020-12-17 22:18:47 +00:00
committed by GitHub
parent ab82be82b2
commit 4fa54b075c
3 changed files with 212 additions and 59 deletions
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71
test/compress/async.js
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@@ -329,6 +329,77 @@ property_access_expression: {
node_version: ">=8"
}
reduce_iife_1: {
options = {
evaluate: true,
keep_fargs: "strict",
reduce_vars: true,
unused: true,
}
input: {
(async function(a) {
console.log(a + a);
})(21);
}
expect: {
(async function() {
console.log(42);
})();
}
expect_stdout: "42"
node_version: ">=8"
}
reduce_iife_2: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a = 21;
(async function() {
console.log(a + a);
})();
}
expect: {
(async function() {
console.log(42);
})();
}
expect_stdout: "42"
node_version: ">=8"
}
reduce_iife_3: {
options = {
evaluate: true,
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = "foo";
(async function() {
console.log(a);
console.log(await a);
})();
a = "bar";
}
expect: {
var a = "foo";
(async function() {
console.log(a);
console.log(await a);
})();
a = "bar";
}
expect_stdout: "foo"
node_version: ">=8"
}
issue_4347_1: {
options = {
evaluate: true,