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Merge pull request #43 from josh/undef-process

Browse source 
Undefine globals, not just shadow
This commit is contained in:
Rafael França 2016-06-21 13:14:56 -03:00 committed by GitHub
commit e57706ff06
3 changed files with 30 additions and 1 deletions
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1
lib/execjs/support/jsc_runner.js
View file

@ -2,6 +2,7 @@
}, function(program) { }, function(program) {
var output; var output;
try { try {
delete this.console;
result = program(); result = program();
if (typeof result == 'undefined' && result !== null) { if (typeof result == 'undefined' && result !== null) {
print('["ok"]'); print('["ok"]');

13
lib/execjs/support/node_runner.js
View file

@ -1,10 +1,20 @@
(function(program, execJS) { execJS(program) })(function(global, module, exports, require, console, setTimeout, setInterval, clearTimeout, clearInterval, setImmediate, clearImmediate) { #{source} (function(program, execJS) { execJS(program) })(function(global, process, module, exports, require, console, setTimeout, setInterval, clearTimeout, clearInterval, setImmediate, clearImmediate) { #{source}
}, function(program) { }, function(program) {
var output, print = function(string) { var output, print = function(string) {
process.stdout.write('' + string); process.stdout.write('' + string);
}; };
try { try {
var __process__ = process;
delete this.process;
delete this.console;
delete this.setTimeout;
delete this.setInterval;
delete this.clearTimeout;
delete this.clearInterval;
delete this.setImmediate;
delete this.clearImmediate;
result = program(); result = program();
this.process = __process__;
if (typeof result == 'undefined' && result !== null) { if (typeof result == 'undefined' && result !== null) {
print('["ok"]'); print('["ok"]');
} else { } else {
@ -15,6 +25,7 @@
} }
} }
} catch (err) { } catch (err) {
this.process = __process__;
print(JSON.stringify(['err', '' + err, err.stack])); print(JSON.stringify(['err', '' + err, err.stack]));
} }
}); });

17
test/test_execjs.rb
View file

@ -237,14 +237,24 @@ class TestExecJS < Test
assert ExecJS.eval("typeof global == 'undefined'") assert ExecJS.eval("typeof global == 'undefined'")
end end
def test_node_process_is_undefined
assert ExecJS.eval("typeof process == 'undefined'")
refute ExecJS.eval("'process' in this")
end
def test_commonjs_vars_are_undefined def test_commonjs_vars_are_undefined
assert ExecJS.eval("typeof module == 'undefined'") assert ExecJS.eval("typeof module == 'undefined'")
assert ExecJS.eval("typeof exports == 'undefined'") assert ExecJS.eval("typeof exports == 'undefined'")
assert ExecJS.eval("typeof require == 'undefined'") assert ExecJS.eval("typeof require == 'undefined'")
refute ExecJS.eval("'module' in this")
refute ExecJS.eval("'exports' in this")
refute ExecJS.eval("'require' in this")
end end
def test_console_is_undefined def test_console_is_undefined
assert ExecJS.eval("typeof console == 'undefined'") assert ExecJS.eval("typeof console == 'undefined'")
refute ExecJS.eval("'console' in this")
end end
def test_timers_are_undefined def test_timers_are_undefined
@ -254,6 +264,13 @@ class TestExecJS < Test
assert ExecJS.eval("typeof clearInterval == 'undefined'") assert ExecJS.eval("typeof clearInterval == 'undefined'")
assert ExecJS.eval("typeof setImmediate == 'undefined'") assert ExecJS.eval("typeof setImmediate == 'undefined'")
assert ExecJS.eval("typeof clearImmediate == 'undefined'") assert ExecJS.eval("typeof clearImmediate == 'undefined'")
refute ExecJS.eval("'setTimeout' in this")
refute ExecJS.eval("'setInterval' in this")
refute ExecJS.eval("'clearTimeout' in this")
refute ExecJS.eval("'clearInterval' in this")
refute ExecJS.eval("'setImmediate' in this")
refute ExecJS.eval("'clearImmediate' in this")
end end
def test_compile_large_scripts def test_compile_large_scripts