var self = compressor.self();
var var_defs_removed = false;
+ var toplevel = compressor.option("toplevel");
for (var stat_index = statements.length; --stat_index >= 0;) {
var stat = statements[stat_index];
if (stat instanceof AST_Definitions) continue;
// Only interested in cases with just one reference to the variable.
var def = self.find_variable && self.find_variable(var_name);
- if (!def || !def.references || def.references.length !== 1 || var_name == "arguments") {
+ if (!def || !def.references || def.references.length !== 1
+ || var_name == "arguments" || (!toplevel && def.global)) {
side_effects_encountered = true;
continue;
}
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
- keep_fargs:true, if_return:true, join_vars:true, cascade:true, side_effects:true
+ keep_fargs:true, if_return:true, join_vars:true, cascade:true, side_effects:true,
+ toplevel:true
}
input: {
var outer = function() {
issue_1562: {
options = {
collapse_vars: true,
+ toplevel: true,
}
input: {
var v = 1, B = 2;
for (; f(z + 2) ;) bar(30);
}
}
+
+issue_1605_1: {
+ options = {
+ collapse_vars: true,
+ toplevel: false,
+ }
+ input: {
+ function foo(x) {
+ var y = x;
+ return y;
+ }
+ var o = new Object;
+ o.p = 1;
+ }
+ expect: {
+ function foo(x) {
+ return x;
+ }
+ var o = new Object;
+ o.p = 1;
+ }
+}
+
+issue_1605_2: {
+ options = {
+ collapse_vars: true,
+ toplevel: "vars",
+ }
+ input: {
+ function foo(x) {
+ var y = x;
+ return y;
+ }
+ var o = new Object;
+ o.p = 1;
+ }
+ expect: {
+ function foo(x) {
+ return x;
+ }
+ (new Object).p = 1;
+ }
+}
this_binding_collapse_vars: {
options = {
collapse_vars: true,
+ toplevel: true,
};
input: {
var c = a; c();
});
});
it("Should process inline source map", function(done) {
- var command = uglifyjscmd + ' test/input/issue-520/input.js -cm toplevel --in-source-map inline --source-map-inline';
+ var command = uglifyjscmd + ' test/input/issue-520/input.js -mc toplevel --in-source-map inline --source-map-inline';
exec(command, function (err, stdout) {
if (err) throw err;
});
it("Should process inline source map", function() {
var code = Uglify.minify("./test/input/issue-520/input.js", {
+ compress: { toplevel: true },
inSourceMap: "inline",
sourceMapInline: true
}).code + "\n";