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fix missing preamble when shebang is absent (#1742)

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This commit is contained in:
Alex Lam S.L
2017-03-31 15:26:57 +08:00
committed by GitHub
parent a84564d1a8
commit 11e9bdc427
2 changed files with 11 additions and 3 deletions
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4
lib/output.js
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@@ -510,8 +510,8 @@ function OutputStream(options) {
}));
}
if (comments.length > 0 && output.pos() == 0) {
if (output.option("shebang") && comments[0].type == "comment5") {
if (output.pos() == 0) {
if (comments.length > 0 && output.option("shebang") && comments[0].type == "comment5") {
output.print("#!" + comments.shift().value + "\n");
output.indent();
}

10
test/mocha/comment-filter.js
View File

@@ -79,5 +79,13 @@ describe("comment filters", function() {
output: { preamble: "/* Build */" }
}).code;
assert.strictEqual(code, "#!/usr/bin/node\n/* Build */\nvar x=10;");
})
});
it("Should handle preamble without shebang correctly", function() {
var code = UglifyJS.minify("var x = 10;", {
fromString: true,
output: { preamble: "/* Build */" }
}).code;
assert.strictEqual(code, "/* Build */\nvar x=10;");
});
});