diff options
| -rw-r--r-- | README.md | 2 | ||||
| -rw-r--r-- | lib/compress.js | 5 | ||||
| -rw-r--r-- | test/compress/functions.js | 22 | ||||
| -rw-r--r-- | test/mocha/cli.js | 6 | ||||
| -rw-r--r-- | test/mocha/directives.js | 376 | ||||
| -rw-r--r-- | test/mocha/glob.js | 6 | ||||
| -rw-r--r-- | test/mocha/minify.js | 12 | ||||
| -rw-r--r-- | test/mocha/sourcemaps.js | 8 | ||||
| -rw-r--r-- | test/mocha/spidermonkey.js | 4 |
9 files changed, 235 insertions, 206 deletions
@@ -620,6 +620,8 @@ If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.u - `dead_code` (default: `true`) -- remove unreachable code +- `directives` (default: `true`) -- remove redundant or non-standard directives + - `drop_console` (default: `false`) -- Pass `true` to discard calls to `console.*` functions. If you wish to drop a specific function call such as `console.info` and/or retain side effects from function arguments diff --git a/lib/compress.js b/lib/compress.js index e347169e..70ee9363 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -54,6 +54,7 @@ function Compressor(options, false_by_default) { comparisons : !false_by_default, conditionals : !false_by_default, dead_code : !false_by_default, + directives : !false_by_default, drop_console : false, drop_debugger : !false_by_default, evaluate : !false_by_default, @@ -3264,8 +3265,10 @@ merge(Compressor.prototype, { /* -----[ optimizers ]----- */ + var directives = makePredicate(["use asm", "use strict"]); OPT(AST_Directive, function(self, compressor) { - if (compressor.has_directive(self.value) !== self) { + if (compressor.option("directives") + && (!directives[self.value] || compressor.has_directive(self.value) !== self)) { return make_node(AST_EmptyStatement, self); } return self; diff --git a/test/compress/functions.js b/test/compress/functions.js index e7391e56..ec0b72a7 100644 --- a/test/compress/functions.js +++ b/test/compress/functions.js @@ -2025,6 +2025,7 @@ deduplicate_parenthesis: { drop_lone_use_strict: { options = { + directives: true, side_effects: true, } input: { @@ -2052,6 +2053,27 @@ drop_lone_use_strict: { } } +issue_3166: { + options = { + directives: true, + } + input: { + "foo"; + "use strict"; + function f() { + "use strict"; + "bar"; + "use asm"; + } + } + expect: { + "use strict"; + function f() { + "use asm"; + } + } +} + issue_3016_1: { options = { inline: true, diff --git a/test/mocha/cli.js b/test/mocha/cli.js index 3bc92c30..56f6b184 100644 --- a/test/mocha/cli.js +++ b/test/mocha/cli.js @@ -8,7 +8,7 @@ function read(path) { describe("bin/uglifyjs", function() { var uglifyjscmd = '"' + process.argv[0] + '" bin/uglifyjs'; - it("should produce a functional build when using --self", function(done) { + it("Should produce a functional build when using --self", function(done) { this.timeout(30000); var command = uglifyjscmd + ' --self -cm --wrap WrappedUglifyJS'; exec(command, function(err, stdout) { @@ -68,7 +68,7 @@ describe("bin/uglifyjs", function() { done(); }); }); - it("should not append source map to output when not using --source-map url=inline", function(done) { + it("Should not append source map to output when not using --source-map url=inline", function(done) { var command = uglifyjscmd + ' test/input/issue-1323/sample.js'; exec(command, function(err, stdout) { if (err) throw err; @@ -76,7 +76,7 @@ describe("bin/uglifyjs", function() { done(); }); }); - it("should not consider source map file content as source map file name (issue #2082)", function(done) { + it("Should not consider source map file content as source map file name (issue #2082)", function(done) { var command = [ uglifyjscmd, "test/input/issue-2082/sample.js", diff --git a/test/mocha/directives.js b/test/mocha/directives.js index 0010e9b0..65da6da5 100644 --- a/test/mocha/directives.js +++ b/test/mocha/directives.js @@ -2,14 +2,12 @@ var assert = require("assert"); var UglifyJS = require("../node"); describe("Directives", function() { - it ("Should allow tokenizer to store directives state", function() { + it("Should allow tokenizer to store directives state", function() { var tokenizer = UglifyJS.tokenizer("", "foo.js"); - // Stack level 0 assert.strictEqual(tokenizer.has_directive("use strict"), false); assert.strictEqual(tokenizer.has_directive("use asm"), false); assert.strictEqual(tokenizer.has_directive("use thing"), false); - // Stack level 2 tokenizer.push_directives_stack(); tokenizer.push_directives_stack(); @@ -17,7 +15,6 @@ describe("Directives", function() { assert.strictEqual(tokenizer.has_directive("use strict"), true); assert.strictEqual(tokenizer.has_directive("use asm"), false); assert.strictEqual(tokenizer.has_directive("use thing"), false); - // Stack level 3 tokenizer.push_directives_stack(); tokenizer.add_directive("use strict"); @@ -25,13 +22,11 @@ describe("Directives", function() { assert.strictEqual(tokenizer.has_directive("use strict"), true); assert.strictEqual(tokenizer.has_directive("use asm"), true); assert.strictEqual(tokenizer.has_directive("use thing"), false); - // Stack level 2 tokenizer.pop_directives_stack(); assert.strictEqual(tokenizer.has_directive("use strict"), true); assert.strictEqual(tokenizer.has_directive("use asm"), false); assert.strictEqual(tokenizer.has_directive("use thing"), false); - // Stack level 3 tokenizer.push_directives_stack(); tokenizer.add_directive("use thing"); @@ -39,152 +34,138 @@ describe("Directives", function() { assert.strictEqual(tokenizer.has_directive("use strict"), true); assert.strictEqual(tokenizer.has_directive("use asm"), false); // Directives are strict! assert.strictEqual(tokenizer.has_directive("use thing"), true); - // Stack level 2 tokenizer.pop_directives_stack(); assert.strictEqual(tokenizer.has_directive("use strict"), true); assert.strictEqual(tokenizer.has_directive("use asm"), false); assert.strictEqual(tokenizer.has_directive("use thing"), false); - // Stack level 1 tokenizer.pop_directives_stack(); assert.strictEqual(tokenizer.has_directive("use strict"), false); assert.strictEqual(tokenizer.has_directive("use asm"), false); assert.strictEqual(tokenizer.has_directive("use thing"), false); - // Stack level 0 tokenizer.pop_directives_stack(); assert.strictEqual(tokenizer.has_directive("use strict"), false); assert.strictEqual(tokenizer.has_directive("use asm"), false); assert.strictEqual(tokenizer.has_directive("use thing"), false); }); - it("Should know which strings are directive and which ones are not", function() { - var test_directive = function(tokenizer, test) { - test.directives.map(function(directive) { - assert.strictEqual(tokenizer.has_directive(directive), true, directive + " in " + test.input); - }); - test.non_directives.map(function(fake_directive) { - assert.strictEqual(tokenizer.has_directive(fake_directive), false, fake_directive + " in " + test.input); - }); - } - - var tests = [ - { - input: '"use strict"\n', - directives: ["use strict"], - non_directives: ["use asm"] - }, - { - input: '"use\\\nstrict";', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: '"use strict"\n"use asm"\n"use bar"\n', - directives: ["use strict", "use asm", "use bar"], - non_directives: ["use foo", "use\\x20strict"] - }, - { - input: '"use \\\nstrict";"use strict";', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: '"\\76";', - directives: [], - non_directives: [">", "\\76"] - }, - { - input: '"use strict"', // no ; or newline - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: ';"use strict"', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, + [ + [ + '"use strict"\n', + [ "use strict"], + [ "use asm"] + ], + [ + '"use\\\nstrict";', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + '"use strict"\n"use asm"\n"use bar"\n', + [ "use strict", "use asm", "use bar" ], + [ "use foo", "use\\x20strict" ] + ], + [ + '"use \\\nstrict";"use strict";', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + '"\\76";', + [], + [ ">", "\\76" ] + ], + [ + // no ; or newline + '"use strict"', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + ';"use strict"', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], // Duplicate above code but put it in a function - { - input: 'function foo() {"use strict"\n', - directives: ["use strict"], - non_directives: ["use asm"] - }, - { - input: 'function foo() {"use\\\nstrict";', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: 'function foo() {"use strict"\n"use asm"\n"use bar"\n', - directives: ["use strict", "use asm", "use bar"], - non_directives: ["use foo", "use\\x20strict"] - }, - { - input: 'function foo() {"use \\\nstrict";"use strict";', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: 'var foo = function() {"\\76";', - directives: [], - non_directives: [">", "\\76"] - }, - { - input: 'var foo = function() {"use strict"', // no ; or newline - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: 'var foo = function() {;"use strict"', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, + [ + 'function foo() {"use strict"\n', + [ "use strict" ], + [ "use asm" ] + ], + [ + 'function foo() {"use\\\nstrict";', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + 'function foo() {"use strict"\n"use asm"\n"use bar"\n', + [ "use strict", "use asm", "use bar" ], + [ "use foo", "use\\x20strict" ] + ], + [ + 'function foo() {"use \\\nstrict";"use strict";', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + 'var foo = function() {"\\76";', + [], + [ ">", "\\76" ] + ], + [ + 'var foo = function() {"use strict"', // no ; or newline + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + 'var foo = function() {;"use strict"', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], // Special cases - { - input: '"1";"2";"3";"4";;"5"', - directives: ["1", "2", "3", "4"], - non_directives: ["5", "6", "use strict", "use asm"] - }, - { - input: 'if(1){"use strict";', - directives: [], - non_directives: ["use strict", "use\nstrict", "use \nstrict", "use asm"] - }, - { - input: '"use strict";try{"use asm";', - directives: ["use strict"], - non_directives: ["use\nstrict", "use \nstrict", "use asm"] - } - ]; - - for (var i = 0; i < tests.length; i++) { - // Fail parser deliberately to get state at failure - var tokenizer = UglifyJS.tokenizer(tests[i].input + "]", "foo.js"); - - try { - var parser = UglifyJS.parse(tokenizer); - throw new Error("Expected parser to fail"); - } catch (e) { - assert.strictEqual(e instanceof UglifyJS.JS_Parse_Error, true); - assert.strictEqual(e.message, "Unexpected token: punc (])"); - } - - test_directive(tokenizer, tests[i]); - } + [ + '"1";"2";"3";"4";;"5"', + [ "1", "2", "3", "4" ], + [ "5", "6", "use strict", "use asm" ] + ], + [ + 'if(1){"use strict";', + [], + [ "use strict", "use\nstrict", "use \nstrict", "use asm" ] + ], + [ + '"use strict";try{"use asm";', + [ "use strict" ], + [ "use\nstrict", "use \nstrict", "use asm" ] + ], + ].forEach(function(test) { + var tokenizer = UglifyJS.tokenizer(test[0] + "]", "foo.js"); + assert.throws(function() { + UglifyJS.parse(tokenizer); + }, function(e) { + return e instanceof UglifyJS.JS_Parse_Error + && e.message === "Unexpected token: punc (])" + }, test[0]); + test[1].forEach(function(directive) { + assert.strictEqual(tokenizer.has_directive(directive), true, directive + " in " + test[0]); + }); + test[2].forEach(function(fake_directive) { + assert.strictEqual(tokenizer.has_directive(fake_directive), false, fake_directive + " in " + test[0]); + }); + }); }); - it("Should test EXPECT_DIRECTIVE RegExp", function() { [ - ["", true], - ["'test';", true], - ["'test';;", true], - ["'tests';\n", true], - ["'tests'", false], - ["'tests'; \n\t", true], - ["'tests';\n\n", true], - ["\n\n\"use strict\";\n\n", true] + [ "", true ], + [ "'test';", true ], + [ "'test';;", true ], + [ "'tests';\n", true ], + [ "'tests'", false ], + [ "'tests'; \n\t", true ], + [ "'tests';\n\n", true ], + [ "\n\n\"use strict\";\n\n", true ], ].forEach(function(test) { var out = UglifyJS.OutputStream(); out.print(test[0]); @@ -192,19 +173,33 @@ describe("Directives", function() { assert.strictEqual(out.get() === test[0] + ';""', test[1], test[0]); }); }); - it("Should only print 2 semicolons spread over 2 lines in beautify mode", function() { - assert.strictEqual( - UglifyJS.minify( - '"use strict";\'use strict\';"use strict";"use strict";;\'use strict\';console.log(\'use strict\');', - {output: {beautify: true, quote_style: 3}, compress: false} - ).code, - '"use strict";\n\n\'use strict\';\n\n"use strict";\n\n"use strict";\n\n;\'use strict\';\n\nconsole.log(\'use strict\');' - ); + var result = UglifyJS.minify([ + '"use strict";', + "'use strict';", + '"use strict";', + '"use strict";;', + "'use strict';", + "console.log('use strict');" + ].join(""), { + compress: false, + output: { + beautify: true, + quote_style: 3 + } + }); + if (result.error) throw result.error; + assert.strictEqual(result.code, [ + '"use strict";', + "'use strict';", + '"use strict";', + '"use strict";', + ";'use strict';", + "console.log('use strict');" + ].join("\n\n")); }); - it("Should not add double semicolons in non-scoped block statements to avoid strings becoming directives", function() { - var tests = [ + [ [ '{"use\x20strict"}', '{"use strict"}' @@ -221,26 +216,27 @@ describe("Directives", function() { 'if(1){"use\x20strict"} else {"use strict"}', 'if(1){"use strict"}else{"use strict"}' ] - ]; - - for (var i = 0; i < tests.length; i++) { - assert.strictEqual( - UglifyJS.minify(tests[i][0], {compress: false, mangle: false}).code, - tests[i][1], - tests[i][0] - ); - } + ].forEach(function(test) { + var result = UglifyJS.minify(test[0], { + compress: false, + mangle: false + }); + if (result.error) throw result.error; + assert.strictEqual(result.code, test[1], test[0]); + }); }); - it("Should add double semicolon when relying on automatic semicolon insertion", function() { - var code = UglifyJS.minify('"use strict";"use\\x20strict";', - {output: {semicolons: false}, compress: false} - ).code; - assert.strictEqual(code, '"use strict";;"use strict"\n'); + var result = UglifyJS.minify('"use strict";"use\\x20strict";', { + compress: false, + output: { + semicolons: false + } + }); + if (result.error) throw result.error; + assert.strictEqual(result.code, '"use strict";;"use strict"\n'); }); - it("Should check quote style of directives", function() { - var tests = [ + [ // 0. Prefer double quotes, unless string contains more double quotes than single quotes [ '"testing something";', @@ -337,45 +333,53 @@ describe("Directives", function() { 3, "'\"use strict\"';", ], - ]; - for (var i = 0; i < tests.length; i++) { - assert.strictEqual( - UglifyJS.minify(tests[i][0], {output:{quote_style: tests[i][1]}, compress: false}).code, - tests[i][2], - tests[i][0] + " using mode " + tests[i][1] - ); - } + ].forEach(function(test) { + var result = UglifyJS.minify(test[0], { + compress: false, + output: { + quote_style: test[1] + } + }); + if (result.error) throw result.error; + assert.strictEqual(result.code, test[2], test[0] + " using mode " + test[1]); + }); }); it("Should be able to compress without side effects", function() { - // NOTE: the "use asm" directive disables any optimisation after being defined - var tests = [ + [ [ '"use strict";"use strict";"use strict";"use foo";"use strict";;"use sloppy";doSomething("foo");', - '"use strict";"use foo";doSomething("foo");', + '"use strict";doSomething("foo");' + ], + [ + // Nothing gets optimised in the compressor because "use asm" is the first statement + '"use asm";"use\\x20strict";1+1;', + // Yet, the parser noticed that "use strict" wasn't a directive + '"use asm";;"use strict";1+1;', + ], + [ 'function f(){ "use strict" }', + 'function f(){}' + ], + [ 'function f(){ "use asm" }', + 'function f(){"use asm"}' + ], + [ 'function f(){ "use nondirective" }', + 'function f(){}' + ], + [ 'function f(){ ;"use strict" }', - 'function f(){ "use \n"; }', + 'function f(){}' ], [ - // Nothing gets optimised in the compressor because "use asm" is the first statement - '"use asm";"use\\x20strict";1+1;', - '"use asm";;"use strict";1+1;', // Yet, the parser noticed that "use strict" wasn't a directive - 'function f(){"use strict"}', - 'function f(){"use asm"}', - 'function f(){"use nondirective"}', - 'function f(){}', - 'function f(){}', - ] - ]; - - for (var i = 0; i < tests.length; i++) { - assert.strictEqual( - UglifyJS.minify(tests[i][0]).code, - tests[i][1], - tests[i][0] - ); - } + 'function f(){ "use \\n"; }', + 'function f(){}' + ], + ].forEach(function(test) { + var result = UglifyJS.minify(test[0]); + if (result.error) throw result.error; + assert.strictEqual(result.code, test[1], test[0]); + }); }); }); diff --git a/test/mocha/glob.js b/test/mocha/glob.js index 58c40cf0..0f437c34 100644 --- a/test/mocha/glob.js +++ b/test/mocha/glob.js @@ -35,7 +35,7 @@ describe("bin/uglifyjs with input file globs", function() { done(); }); }); - it("should throw with non-matching glob string", function(done) { + it("Should throw with non-matching glob string", function(done) { var command = uglifyjscmd + ' "test/input/issue-1242/blah.*"'; exec(command, function(err, stdout, stderr) { @@ -53,7 +53,7 @@ describe("bin/uglifyjs with input file globs", function() { done(); }); }); - it("should handle special characters in glob string", function(done) { + it("Should handle special characters in glob string", function(done) { var command = uglifyjscmd + ' "test/input/issue-1632/^{*}[???](*)+$.??" -cm'; exec(command, function(err, stdout) { @@ -63,7 +63,7 @@ describe("bin/uglifyjs with input file globs", function() { done(); }); }); - it("should handle array of glob strings - matching and otherwise", function(done) { + it("Should handle array of glob strings - matching and otherwise", function(done) { var dir = "test/input/issue-1242"; var command = uglifyjscmd + ' "' + [ path.join(dir, "b*.es5"), diff --git a/test/mocha/minify.js b/test/mocha/minify.js index 1871ed71..c580e59c 100644 --- a/test/mocha/minify.js +++ b/test/mocha/minify.js @@ -187,7 +187,7 @@ describe("minify", function() { }); describe("#__PURE__", function() { - it("should drop #__PURE__ hint after use", function() { + it("Should drop #__PURE__ hint after use", function() { var result = UglifyJS.minify('//@__PURE__ comment1 #__PURE__ comment2\n foo(), bar();', { output: { comments: "all", @@ -197,7 +197,7 @@ describe("minify", function() { var code = result.code; assert.strictEqual(code, "// comment1 comment2\nbar();"); }); - it("should drop #__PURE__ hint if function is retained", function() { + it("Should drop #__PURE__ hint if function is retained", function() { var result = UglifyJS.minify("var a = /*#__PURE__*/(function(){ foo(); })();", { output: { comments: "all", @@ -210,7 +210,7 @@ describe("minify", function() { }); describe("JS_Parse_Error", function() { - it("should return syntax error", function() { + it("Should return syntax error", function() { var result = UglifyJS.minify("function f(a{}"); var err = result.error; assert.ok(err instanceof Error); @@ -219,7 +219,7 @@ describe("minify", function() { assert.strictEqual(err.line, 1); assert.strictEqual(err.col, 12); }); - it("should reject duplicated label name", function() { + it("Should reject duplicated label name", function() { var result = UglifyJS.minify("L:{L:{}}"); var err = result.error; assert.ok(err instanceof Error); @@ -231,7 +231,7 @@ describe("minify", function() { }); describe("global_defs", function() { - it("should throw for non-trivial expressions", function() { + it("Should throw for non-trivial expressions", function() { var result = UglifyJS.minify("alert(42);", { compress: { global_defs: { @@ -243,7 +243,7 @@ describe("minify", function() { assert.ok(err instanceof Error); assert.strictEqual(err.stack.split(/\n/)[0], "SyntaxError: Unexpected token: keyword (debugger)"); }); - it("should skip inherited properties", function() { + it("Should skip inherited properties", function() { var foo = Object.create({ skip: this }); foo.bar = 42; var result = UglifyJS.minify("alert(FOO);", { diff --git a/test/mocha/sourcemaps.js b/test/mocha/sourcemaps.js index db79a64a..ccaa68e1 100644 --- a/test/mocha/sourcemaps.js +++ b/test/mocha/sourcemaps.js @@ -53,7 +53,6 @@ describe("sourcemaps", function() { assert.strictEqual(map.version, 3); assert.deepEqual(map.names, [ "x" ]); }); - it("Should give correct names", function() { var map = source_map([ "({", @@ -67,7 +66,6 @@ describe("sourcemaps", function() { ].join("\n")); assert.deepEqual(map.names, [ "enabled", "x" ]); }); - it("Should mark array/object literals", function() { var result = UglifyJS.minify([ "var obj = {};", @@ -80,7 +78,6 @@ describe("sourcemaps", function() { assert.strictEqual(result.code, "({}).wat([]);"); assert.strictEqual(result.map, '{"version":3,"sources":["0"],"names":["wat"],"mappings":"CAAU,IACNA,IAAI"}'); }); - it("Should give correct sourceRoot", function() { var code = "console.log(42);"; var result = UglifyJS.minify(code, { @@ -212,6 +209,9 @@ describe("sourcemaps", function() { }); it("Should work with max_line_len", function() { var result = UglifyJS.minify(read("./test/input/issue-505/input.js"), { + compress: { + directives: false, + }, output: { max_line_len: 20 }, @@ -261,7 +261,6 @@ describe("sourcemaps", function() { var map = prepare_map(orig); assert.equal(map.sourceContentFor("index.js"), orig.sourcesContent[0]); }); - it("Should copy sourcesContent if sources are relative", function() { var relativeMap = get_map(); relativeMap.sources = ['./index.js']; @@ -270,7 +269,6 @@ describe("sourcemaps", function() { assert.equal(map.sourcesContent.length, 1); assert.equal(map.sourceContentFor("index.js"), relativeMap.sourcesContent[0]); }); - it("Should not have invalid mappings from inputSourceMap", function() { var map = prepare_map(get_map()); // The original source has only 2 lines, check that mappings don't have more lines diff --git a/test/mocha/spidermonkey.js b/test/mocha/spidermonkey.js index fc4f40cb..196f1447 100644 --- a/test/mocha/spidermonkey.js +++ b/test/mocha/spidermonkey.js @@ -3,7 +3,7 @@ var exec = require("child_process").exec; var UglifyJS = require("../.."); describe("spidermonkey export/import sanity test", function() { - it("should produce a functional build when using --self with spidermonkey", function(done) { + it("Should produce a functional build when using --self with spidermonkey", function(done) { this.timeout(60000); var uglifyjs = '"' + process.argv[0] + '" bin/uglifyjs'; @@ -23,7 +23,7 @@ describe("spidermonkey export/import sanity test", function() { }); }); - it("should not add unnecessary escape slashes to regexps", function() { + it("Should not add unnecessary escape slashes to regexps", function() { var input = "/[\\\\/]/;"; var ast = UglifyJS.parse(input).to_mozilla_ast(); assert.equal( |