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improve mangle (#2948)

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This commit is contained in:
Alex Lam S.L
2018-02-23 23:51:49 +08:00
committed by GitHub
parent 604caa09e7
commit f40f5eb228
6 changed files with 196 additions and 88 deletions
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96
test/compress/issue-1704.js
View File

@@ -104,7 +104,7 @@ mangle_catch_toplevel: {
}
console.log(a);
}
expect_exact: 'var o="FAIL";try{throw 1}catch(c){o="PASS"}console.log(o);'
expect_exact: 'var c="FAIL";try{throw 1}catch(o){c="PASS"}console.log(c);'
expect_stdout: "PASS"
}
@@ -148,7 +148,7 @@ mangle_catch_var_toplevel: {
}
console.log(a);
}
expect_exact: 'var o="FAIL";try{throw 1}catch(r){var o="PASS"}console.log(o);'
expect_exact: 'var r="FAIL";try{throw 1}catch(o){var r="PASS"}console.log(r);'
expect_stdout: "PASS"
}
@@ -345,3 +345,95 @@ mangle_catch_redef_2_ie8_toplevel: {
expect_exact: 'try{throw"FAIL1"}catch(o){var o="FAIL2"}console.log(o);'
expect_stdout: "undefined"
}
mangle_catch_redef_3: {
mangle = {
ie8: false,
toplevel: false,
}
input: {
var o = "PASS";
try {
throw 0;
} catch (o) {
(function() {
function f() {
o = "FAIL";
}
f(), f();
})();
}
console.log(o);
}
expect_exact: 'var o="PASS";try{throw 0}catch(o){(function(){function c(){o="FAIL"}c(),c()})()}console.log(o);'
expect_stdout: "PASS"
}
mangle_catch_redef_3_toplevel: {
mangle = {
ie8: false,
toplevel: true,
}
input: {
var o = "PASS";
try {
throw 0;
} catch (o) {
(function() {
function f() {
o = "FAIL";
}
f(), f();
})();
}
console.log(o);
}
expect_exact: 'var c="PASS";try{throw 0}catch(c){(function(){function o(){c="FAIL"}o(),o()})()}console.log(c);'
expect_stdout: "PASS"
}
mangle_catch_redef_ie8_3: {
mangle = {
ie8: true,
toplevel: false,
}
input: {
var o = "PASS";
try {
throw 0;
} catch (o) {
(function() {
function f() {
o = "FAIL";
}
f(), f();
})();
}
console.log(o);
}
expect_exact: 'var o="PASS";try{throw 0}catch(o){(function(){function c(){o="FAIL"}c(),c()})()}console.log(o);'
expect_stdout: "PASS"
}
mangle_catch_redef_3_ie8_toplevel: {
mangle = {
ie8: true,
toplevel: true,
}
input: {
var o = "PASS";
try {
throw 0;
} catch (o) {
(function() {
function f() {
o = "FAIL";
}
f(), f();
})();
}
console.log(o);
}
expect_exact: 'var c="PASS";try{throw 0}catch(c){(function(){function o(){c="FAIL"}o(),o()})()}console.log(c);'
expect_stdout: "PASS"
}

6
test/compress/issue-1733.js
View File

@@ -15,7 +15,7 @@ function_iife_catch: {
}
f();
}
expect_exact: "function f(o){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
expect_stdout: "0 1"
}
@@ -36,7 +36,7 @@ function_iife_catch_ie8: {
}
f();
}
expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
expect_exact: "function f(c){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
expect_stdout: "0 1"
}
@@ -61,7 +61,7 @@ function_catch_catch: {
}
f();
}
expect_exact: "var o=0;function f(){try{throw 1}catch(c){try{throw 2}catch(o){var o=3;console.log(o)}}console.log(o)}f();"
expect_exact: "var o=0;function f(){try{throw 1}catch(o){try{throw 2}catch(c){var c=3;console.log(c)}}console.log(c)}f();"
expect_stdout: [
"3",
"undefined",

10
test/compress/rename.js
View File

@@ -109,7 +109,7 @@ mangle_catch_toplevel: {
}
console.log(a);
}
expect_exact: 'var o="FAIL";try{throw 1}catch(c){o="PASS"}console.log(o);'
expect_exact: 'var c="FAIL";try{throw 1}catch(o){c="PASS"}console.log(c);'
expect_stdout: "PASS"
}
@@ -155,7 +155,7 @@ mangle_catch_var_toplevel: {
}
console.log(a);
}
expect_exact: 'var o="FAIL";try{throw 1}catch(r){var o="PASS"}console.log(o);'
expect_exact: 'var r="FAIL";try{throw 1}catch(o){var r="PASS"}console.log(r);'
expect_stdout: "PASS"
}
@@ -451,7 +451,7 @@ function_iife_catch: {
}
f();
}
expect_exact: "function f(o){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
expect_stdout: "0 1"
}
@@ -473,7 +473,7 @@ function_iife_catch_ie8: {
}
f();
}
expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
expect_exact: "function f(c){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
expect_stdout: "0 1"
}
@@ -499,7 +499,7 @@ function_catch_catch: {
}
f();
}
expect_exact: "var o=0;function f(){try{throw 1}catch(c){try{throw 2}catch(o){var o=3;console.log(o)}}console.log(o)}f();"
expect_exact: "var o=0;function f(){try{throw 1}catch(o){try{throw 2}catch(c){var c=3;console.log(c)}}console.log(c)}f();"
expect_stdout: [
"3",
"undefined",

16
test/compress/screw-ie8.js
View File

@@ -102,12 +102,12 @@ dont_screw_try_catch: {
};
}
expect: {
bad = function(n){
return function(t){
bad = function(t){
return function(n){
try{
n()
} catch(n) {
t(n)
t()
} catch(t) {
n(t)
}
}
};
@@ -349,11 +349,11 @@ issue_2254_1: {
try {
console.log(f("PASS"));
} catch (e) {}
function f(e) {
function f(t) {
try {
throw "FAIL";
} catch (t) {
return e;
} catch (e) {
return t;
}
}
}

12
test/mocha/minify.js
View File

@@ -46,10 +46,10 @@ describe("minify", function() {
assert.strictEqual(compressed, [
"function n(n){return 3*n}",
"function r(n){return n/2}",
"var o=console.log.bind(console);",
'function c(n){o("Foo:",2*n)}',
"var c=console.log.bind(console);",
'function o(o){c("Foo:",2*o)}',
"var a=n(3),b=r(12);",
'o("qux",a,b),c(11);',
'c("qux",a,b),o(11);',
].join(""));
assert.strictEqual(run_code(compressed), run_code(original));
});
@@ -79,10 +79,10 @@ describe("minify", function() {
assert.strictEqual(compressed, [
"function n(n){return 3*n}",
"function r(n){return n/2}",
"var o=console.log.bind(console);",
'function c(n){o("Foo:",2*n)}',
"var c=console.log.bind(console);",
'function o(o){c("Foo:",2*o)}',
"var a=n(3),b=r(12);",
'o("qux",a,b),c(11);',
'c("qux",a,b),o(11);',
].join(""));
assert.strictEqual(run_code(compressed), run_code(original));
});