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enhance side_effects & unused (#5181)

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This commit is contained in:
Alex Lam S.L
2021-11-22 03:14:28 +00:00
committed by GitHub
parent 839f4361f4
commit 1e3ca4c6f7
4 changed files with 101 additions and 16 deletions
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69
test/compress/destructured.js
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@@ -1581,6 +1581,75 @@ hoist_vars: {
node_version: ">=6"
}
singleton_1: {
options = {
pure_getters: true,
side_effects: true,
unused: true,
}
input: {
var [ a ] = "P", b, o = {};
[ { 1: o.p } ] = [ "FAIL" ];
({ foo: [ o.q ] } = { foo: "S" });
[ b = "S" ] = [];
console.log(a + o.p + o.q + b);
}
expect: {
var b, a = "P"[0], o = {};
o.p = [ "FAIL"["1"] ][0];
o.q = { foo: "S"[0] }["foo"];
[ b = "S" ] = [];
console.log(a + o.p + o.q + b);
}
expect_stdout: "PASS"
node_version: ">=6"
}
singleton_2: {
options = {
evaluate: true,
passes: 2,
pure_getters: true,
side_effects: true,
unsafe: true,
unused: true,
}
input: {
var [ a ] = "P", b, o = {};
[ { 1: o.p } ] = [ "FAIL" ];
({ foo: [ o.q ] } = { foo: "S" });
[ b = "S" ] = [];
console.log(a + o.p + o.q + b);
}
expect: {
var b, a = "P", o = {};
o.p = "A";
o.q = "S";
[ b = "S" ] = [];
console.log(a + o.p + o.q + b);
}
expect_stdout: "PASS"
node_version: ">=6"
}
singleton_side_effects: {
options = {
side_effects: true,
unused: true,
}
input: {
[ 42[console.log("foo")] ] = [ console.log("bar") ];
}
expect: {
[ 42[console.log("foo")] ] = [ console.log("bar") ];
}
expect_stdout: [
"bar",
"foo",
]
node_version: ">=6"
}
issue_4280: {
options = {
evaluate: true,