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Control keeping function arguments with a single option

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This commit is contained in:
Ville Lautanala
2015-05-23 01:46:08 +03:00
committed by Richard van Velzen
parent ba939ccd6c
commit 5fd12451f9
2 changed files with 5 additions and 5 deletions
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4
lib/compress.js
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@@ -61,7 +61,7 @@ function Compressor(options, false_by_default) {
loops : !false_by_default, loops : !false_by_default,
unused : !false_by_default, unused : !false_by_default,
hoist_funs : !false_by_default, hoist_funs : !false_by_default,
keep_fargs : false, keep_fargs : true,
keep_fnames : false, keep_fnames : false,
hoist_vars : false, hoist_vars : false,
if_return : !false_by_default, if_return : !false_by_default,
@@ -1087,7 +1087,7 @@ merge(Compressor.prototype, {
var tt = new TreeTransformer( var tt = new TreeTransformer(
function before(node, descend, in_list) { function before(node, descend, in_list) {
if (node instanceof AST_Lambda && !(node instanceof AST_Accessor)) { if (node instanceof AST_Lambda && !(node instanceof AST_Accessor)) {
if (compressor.option("unsafe") && !compressor.option("keep_fargs")) { if (!compressor.option("keep_fargs")) {
for (var a = node.argnames, i = a.length; --i >= 0;) { for (var a = node.argnames, i = a.length; --i >= 0;) {
var sym = a[i]; var sym = a[i];
if (sym.unreferenced()) { if (sym.unreferenced()) {

6
test/compress/drop-unused.js
View File

@@ -1,5 +1,5 @@
unused_funarg_1: { unused_funarg_1: {
options = { unused: true, unsafe: true }; options = { unused: true, keep_fargs: false };
input: { input: {
function f(a, b, c, d, e) { function f(a, b, c, d, e) {
return a + b; return a + b;
@@ -13,7 +13,7 @@ unused_funarg_1: {
} }
unused_funarg_2: { unused_funarg_2: {
options = { unused: true, unsafe: true }; options = { unused: true, keep_fargs: false };
input: { input: {
function f(a, b, c, d, e) { function f(a, b, c, d, e) {
return a + c; return a + c;
@@ -173,7 +173,7 @@ keep_fnames: {
} }
expect: { expect: {
function foo() { function foo() {
return function bar() {}; return function bar(baz) {};
} }
} }
} }