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correctly parse export of function & class (#2135)

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This commit is contained in:
Alex Lam S.L
2017-06-21 23:15:39 +08:00
committed by GitHub
parent 8709753bfb
commit 71556d00b5
6 changed files with 89 additions and 56 deletions
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13
test/compress/export.js
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@@ -107,3 +107,16 @@ issue_2129: {
export const { keys } = Object;
}
}
async_func: {
options = {
keep_fargs: false,
unused: true,
}
input: {
export async function Foo(x){};
}
expect: {
export async function Foo(){};
}
}

0
test/input/invalid/export.js → test/input/invalid/export_1.js
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1
test/input/invalid/export_2.js Normal file
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@@ -0,0 +1 @@
export class{};

1
test/input/invalid/export_3.js Normal file
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@@ -0,0 +1 @@
export function(){};

34
test/mocha/cli.js
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@@ -534,13 +534,13 @@ describe("bin/uglifyjs", function () {
});
});
it("Should throw syntax error (block-level export)", function(done) {
var command = uglifyjscmd + ' test/input/invalid/export.js -m';
var command = uglifyjscmd + ' test/input/invalid/export_1.js -m';
exec(command, function (err, stdout, stderr) {
assert.ok(err);
assert.strictEqual(stdout, "");
assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [
"Parse error at test/input/invalid/export.js:2,4",
"Parse error at test/input/invalid/export_1.js:2,4",
" export var V = 1;",
" ^",
"ERROR: Export statement may only appear at top level"
@@ -563,6 +563,36 @@ describe("bin/uglifyjs", function () {
done();
});
});
it("Should throw syntax error (anonymous class)", function(done) {
var command = uglifyjscmd + ' test/input/invalid/export_2.js';
exec(command, function (err, stdout, stderr) {
assert.ok(err);
assert.strictEqual(stdout, "");
assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [
"Parse error at test/input/invalid/export_2.js:1,12",
"export class{};",
" ^",
"ERROR: Unexpected token: punc ({)"
].join("\n"));
done();
});
});
it("Should throw syntax error (anonymous function)", function(done) {
var command = uglifyjscmd + ' test/input/invalid/export_3.js';
exec(command, function (err, stdout, stderr) {
assert.ok(err);
assert.strictEqual(stdout, "");
assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [
"Parse error at test/input/invalid/export_3.js:1,15",
"export function(){};",
" ^",
"ERROR: Unexpected token: punc (()"
].join("\n"));
done();
});
});
it("Should handle literal string as source map input", function(done) {
var command = [
uglifyjscmd,