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fix corner case in comments (#3500)

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This commit is contained in:
Alex Lam S.L
2019-10-20 03:21:30 +08:00
committed by GitHub
parent 6b4886c908
commit 543dd7d3d7
2 changed files with 76 additions and 45 deletions
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119
test/mocha/comments.js
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@@ -48,53 +48,84 @@ describe("comments", function() {
}
});
it("Should handle comment within return correctly", function() {
var result = UglifyJS.minify([
"function unequal(x, y) {",
" return (",
" // Either one",
" x < y",
" ||",
" y < x",
" );",
"}",
].join("\n"), {
compress: false,
mangle: false,
output: {
beautify: true,
comments: "all",
},
describe("comment within return", function() {
it("Should handle leading return", function() {
var result = UglifyJS.minify([
"function unequal(x, y) {",
" return (",
" // Either one",
" x < y",
" ||",
" y < x",
" );",
"}",
].join("\n"), {
compress: false,
mangle: false,
output: {
beautify: true,
comments: "all",
},
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"function unequal(x, y) {",
" // Either one",
" return x < y || y < x;",
"}",
].join("\n"));
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"function unequal(x, y) {",
" // Either one",
" return x < y || y < x;",
"}",
].join("\n"));
});
it("Should handle comment folded into return correctly", function() {
var result = UglifyJS.minify([
"function f() {",
" /* boo */ x();",
" return y();",
"}",
].join("\n"), {
mangle: false,
output: {
beautify: true,
comments: "all",
},
it("Should handle trailing return", function() {
var result = UglifyJS.minify([
"function unequal(x) {",
" var y;",
" return (",
" // Either one",
" x < y",
" ||",
" y < x",
" );",
"}",
].join("\n"), {
compress: false,
mangle: false,
output: {
beautify: true,
comments: "all",
},
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"function unequal(x) {",
" var y;",
" // Either one",
" return x < y || y < x;",
"}",
].join("\n"));
});
it("Should handle comment folded into return", function() {
var result = UglifyJS.minify([
"function f() {",
" /* boo */ x();",
" return y();",
"}",
].join("\n"), {
mangle: false,
output: {
beautify: true,
comments: "all",
},
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"function f() {",
" /* boo */",
" return x(), y();",
"}",
].join("\n"));
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"function f() {",
" /* boo */",
" return x(), y();",
"}",
].join("\n"));
});
it("Should not drop comments after first OutputStream", function() {