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fix corner cases in sourceMap (#3397)

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fixes #3255
fixes #3294
This commit is contained in:
Alex Lam S.L
2019-05-04 20:08:57 +08:00
committed by GitHub
parent a89d424a0b
commit 11cdab745d
9 changed files with 69 additions and 9 deletions
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37
test/mocha/comments.js
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@@ -277,6 +277,43 @@ describe("comments", function() {
].join("\n"));
});
it("Should not duplicate sourceMappingURL", function() {
var code = [
"//# sourceMappingURL=input.map",
"print(42);",
"//# sourceMappingURL=input.map",
"",
"//# sourceMappingURL=input.map",
"//# sourceMappingURL=input.map",
"",
].join("\n");
var result = UglifyJS.minify(code, {
output: { comments: true },
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"//# sourceMappingURL=input.map",
"print(42);",
"//# sourceMappingURL=input.map",
"//# sourceMappingURL=input.map",
"//# sourceMappingURL=input.map",
].join("\n"));
result = UglifyJS.minify(code, {
output: { comments: true },
sourceMap: { url: "output.map" },
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"//# sourceMappingURL=input.map",
"print(42);",
"//# sourceMappingURL=input.map",
"//# sourceMappingURL=input.map",
"//# sourceMappingURL=output.map",
].join("\n"));
});
describe("comment before constant", function() {
var js = 'function f() { /*c1*/ var /*c2*/ foo = /*c3*/ false; return foo; }';