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fix corner case in unused (#3716)

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This commit is contained in:
Alex Lam S.L
2020-02-12 23:46:16 +00:00
committed by GitHub
parent 2557148bba
commit 83a42716c3
4 changed files with 116 additions and 69 deletions
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52
test/compress/drop-unused.js
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@@ -1191,10 +1191,10 @@ issue_2105_1: {
input: {
!function(factory) {
factory();
}( function() {
}(function() {
return function(fn) {
fn()().prop();
}( function() {
}(function() {
function bar() {
var quux = function() {
console.log("PASS");
@@ -1205,7 +1205,7 @@ issue_2105_1: {
return { prop: foo };
}
return bar;
} );
});
});
}
expect: {
@@ -1235,10 +1235,10 @@ issue_2105_2: {
input: {
!function(factory) {
factory();
}( function() {
}(function() {
return function(fn) {
fn()().prop();
}( function() {
}(function() {
function bar() {
var quux = function() {
console.log("PASS");
@@ -1249,7 +1249,7 @@ issue_2105_2: {
return { prop: foo };
}
return bar;
} );
});
});
}
expect: {
@@ -1258,6 +1258,44 @@ issue_2105_2: {
expect_stdout: "PASS"
}
issue_2105_3: {
options = {
inline: true,
passes: 2,
reduce_vars: true,
unused: true,
}
input: {
!function(factory) {
factory();
}(function() {
return function(fn) {
fn()().prop();
}(function() {
function bar() {
var quux = function() {
console.log("PASS");
}, foo = function() {
console.log;
quux();
};
return { prop: foo };
}
return bar;
});
});
}
expect: {
!void void {
prop: function() {
console.log;
void console.log("PASS");
}
}.prop();
}
expect_stdout: "PASS"
}
issue_2226_1: {
options = {
side_effects: true,
@@ -2330,7 +2368,7 @@ function_parameter_ie8: {
(function() {
(function f() {
console.log("PASS");
})(0);
})();
})();
}
expect_stdout: "PASS"