JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Introduce new compress option unsafe_arrows (#2278)

Browse Source 
* Not always safe to convert a function expression to an arrow
  function when code depends on the function prototype existing.

Fixes #2271
This commit is contained in:
kzc
2017-08-16 10:51:26 -04:00
committed by Alex Lam S.L
parent a5461e0adc
commit ae0f117da6
4 changed files with 52 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
test/compress/arrow.js
View File

@@ -213,7 +213,7 @@ no_leading_parentheses: {
async_identifiers: {
options = {
arrows: true,
unsafe_arrows: true,
ecma: 6,
}
input: {
@@ -237,7 +237,7 @@ async_identifiers: {
async_function_expression: {
options = {
arrows: true,
unsafe_arrows: true,
ecma: 6,
evaluate: true,
side_effects: true,
@@ -262,7 +262,7 @@ async_function_expression: {
issue_27: {
options = {
arrows: true,
unsafe_arrows: true,
collapse_vars: true,
ecma: 6,
unused: true,
@@ -283,7 +283,7 @@ issue_27: {
issue_2105_1: {
options = {
arrows: true,
unsafe_arrows: true,
collapse_vars: true,
ecma: 6,
inline: true,
@@ -501,7 +501,7 @@ issue_485_crashing_1530: {
issue_2084: {
options = {
arrows: true,
unsafe_arrows: true,
collapse_vars: true,
conditionals: true,
ecma: 6,
@@ -577,6 +577,7 @@ concise_methods_with_computed_property2: {
async_object_literal: {
options = {
arrows: true,
unsafe_arrows: true,
ecma: 6,
evaluate: true,
}
@@ -597,3 +598,35 @@ async_object_literal: {
};
}
}
issue_2271: {
options = {
arrows: true,
ecma: 6,
evaluate: true,
unsafe_arrows: false,
}
input: {
var Foo = function() {};
Foo.prototype.set = function(value) {
this.value = value;
return this;
}
Foo.prototype.print = function() {
console.log(this.value);
}
new Foo().set("PASS").print();
}
expect: {
var Foo = function() {};
Foo.prototype.set = function(value) {
this.value = value;
return this;
}
Foo.prototype.print = function() {
console.log(this.value);
}
new Foo().set("PASS").print();
}
expect_stdout: "PASS"
}