JoBoEVD/UglifyJS
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minor clean up (#4149)

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This commit is contained in:
Alex Lam S.L
2020-09-23 16:06:12 +01:00
committed by GitHub
parent 305a4bdcee
commit 7de8daa4b1
2 changed files with 15 additions and 12 deletions
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12
lib/scope.js
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@@ -335,7 +335,7 @@ AST_Toplevel.DEFMETHOD("resolve", return_this);
function names_in_use(scope, options) {
var names = scope.names_in_use;
if (!names) {
scope.names_in_use = names = Object.create(scope.mangled_names || null);
scope.names_in_use = names = Object.create(null);
scope.cname_holes = [];
var cache = options.cache && options.cache.props;
scope.enclosed.forEach(function(def) {
@@ -369,7 +369,7 @@ function next_mangled_name(scope, options, def) {
name = base54(holes[i]);
if (names[name]) continue;
holes.splice(i, 1);
scope.names_in_use[name] = true;
in_use[name] = true;
return name;
}
while (true) {
@@ -378,7 +378,7 @@ function next_mangled_name(scope, options, def) {
if (!names[name]) break;
holes.push(scope.cname);
}
scope.names_in_use[name] = true;
in_use[name] = true;
return name;
}
@@ -419,7 +419,7 @@ AST_Toplevel.DEFMETHOD("mangle_names", function(options) {
var lname = -1;
if (options.cache && options.cache.props) {
var mangled_names = this.mangled_names = Object.create(null);
var mangled_names = names_in_use(this, options);
options.cache.props.each(function(mangled_name) {
mangled_names[mangled_name] = true;
});
@@ -491,7 +491,7 @@ AST_Toplevel.DEFMETHOD("mangle_names", function(options) {
AST_Toplevel.DEFMETHOD("find_colliding_names", function(options) {
var cache = options.cache && options.cache.props;
var avoid = Object.create(null);
var avoid = Object.create(RESERVED_WORDS);
options.reserved.forEach(to_avoid);
this.globals.each(add_def);
this.walk(new TreeWalker(function(node) {
@@ -528,7 +528,7 @@ AST_Toplevel.DEFMETHOD("expand_names", function(options) {
var name;
do {
name = base54(cname++);
} while (avoid[name] || RESERVED_WORDS[name]);
} while (avoid[name]);
return name;
}