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add more known globals to unsafe option

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This commit is contained in:
kzc 2017-09-06 13:16:21 -04:00
parent 5d9fb88856
commit f7c6f60a47
2 changed files with 9 additions and 1 deletions
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2
lib/compress.js
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@ -693,7 +693,7 @@ merge(Compressor.prototype, {
return node instanceof AST_SymbolRef && node.definition().undeclared; return node instanceof AST_SymbolRef && node.definition().undeclared;
} }
var global_names = makePredicate("Array Boolean console Date Error Function Math Number RegExp Object String"); var global_names = makePredicate("Array Boolean console Date Error EvalError Function JSON Math Number parseInt RangeError ReferenceError RegExp Object String SyntaxError TypeError URIError");
AST_SymbolRef.DEFMETHOD("is_declared", function(compressor) { AST_SymbolRef.DEFMETHOD("is_declared", function(compressor) {
return !this.definition().undeclared return !this.definition().undeclared
|| compressor.option("unsafe") && global_names(this.name); || compressor.option("unsafe") && global_names(this.name);

8
test/compress/dead-code.js
View File

@ -243,12 +243,20 @@ issue_2233_1: {
console.log; console.log;
Date; Date;
Error.name; Error.name;
EvalError;
Function.length; Function.length;
JSON;
Math.random; Math.random;
Number.isNaN; Number.isNaN;
parseInt;
RegExp; RegExp;
Object.defineProperty; Object.defineProperty;
String.fromCharCode; String.fromCharCode;
RangeError;
ReferenceError;
SyntaxError;
TypeError;
URIError;
} }
expect: {} expect: {}
expect_stdout: true expect_stdout: true