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compress AST_Arrow properly (#2170)

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This commit is contained in:
Alex Lam S.L
2017-06-28 01:06:30 +08:00
committed by GitHub
parent ad139aa34d
commit 4d5aeeddfb
3 changed files with 303 additions and 21 deletions
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258
test/compress/arrow.js
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@@ -280,3 +280,261 @@ issue_27: {
})(jQuery);
}
}
issue_2105_1: {
options = {
arrows: true,
collapse_vars: true,
ecma: 6,
inline: true,
reduce_vars: true,
side_effects: 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 (() => {
var quux = () => {
console.log("PASS");
};
return {
prop: () => {
console.log;
quux();
}
};
})().prop();
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_2105_2: {
options = {
collapse_vars: true,
inline: true,
reduce_vars: true,
side_effects: true,
unused: true,
}
input: {
((factory) => {
factory();
})( () => {
return ((fn) => {
fn()().prop();
})( () => {
let bar = () => {
var quux = () => {
console.log("PASS");
}, foo = () => {
console.log;
quux();
};
return { prop: foo };
};
return bar;
} );
});
}
expect: {
!void (() => {
var quux = () => {
console.log("PASS");
};
return {
prop: () => {
console.log;
quux();
}
};
})().prop();
}
expect_stdout: "PASS"
node_version: ">=6"
}
issue_2136_2: {
options = {
arrows: true,
collapse_vars: true,
ecma: 6,
inline: true,
side_effects: true,
unused: true,
}
input: {
function f(x) {
console.log(x);
}
!function(a, ...b) {
f(b[0]);
}(1, 2, 3);
}
expect: {
function f(x) {
console.log(x);
}
f([2,3][0]);
}
expect_stdout: "2"
node_version: ">=6"
}
issue_2136_3: {
options = {
arrows: true,
collapse_vars: true,
ecma: 6,
evaluate: true,
inline: true,
passes: 3,
reduce_vars: true,
side_effects: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
function f(x) {
console.log(x);
}
!function(a, ...b) {
f(b[0]);
}(1, 2, 3);
}
expect: {
console.log(2);
}
expect_stdout: "2"
node_version: ">=6"
}
call_args: {
options = {
arrows: true,
ecma: 6,
evaluate: true,
inline: true,
reduce_vars: true,
}
input: {
const a = 1;
console.log(a);
+function(a) {
return a;
}(a);
}
expect: {
const a = 1;
console.log(1);
+(1, 1);
}
expect_stdout: true
}
call_args_drop_param: {
options = {
arrows: true,
ecma: 6,
evaluate: true,
inline: true,
keep_fargs: false,
reduce_vars: true,
unused: true,
}
input: {
const a = 1;
console.log(a);
+function(a) {
return a;
}(a, b);
}
expect: {
const a = 1;
console.log(1);
+(b, 1);
}
expect_stdout: true
}
issue_485_crashing_1530: {
options = {
arrows: true,
conditionals: true,
dead_code: true,
ecma: 6,
evaluate: true,
inline: true,
}
input: {
(function(a) {
if (true) return;
var b = 42;
})(this);
}
expect: {
this, void 0;
}
}
issue_2084: {
options = {
arrows: true,
collapse_vars: true,
conditionals: true,
ecma: 6,
evaluate: true,
inline: true,
passes: 2,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
var c = 0;
!function() {
!function(c) {
c = 1 + c;
var c = 0;
function f14(a_1) {
if (c = 1 + c, 0 !== 23..toString())
c = 1 + c, a_1 && (a_1[0] = 0);
}
f14();
}(-1);
}();
console.log(c);
}
expect: {
var c = 0;
!((c) => {
c = 1 + c,
c = 1 + (c = 0),
0 !== 23..toString() && (c = 1 + c);
})(-1),
console.log(c);
}
expect_stdout: "0"
node_version: ">=4"
}