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enhance unused (#5511)

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This commit is contained in:
Alex Lam S.L
2022-06-12 14:24:42 +01:00
committed by GitHub
parent 5d69545299
commit b6f250f5c9
4 changed files with 239 additions and 11 deletions
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82
test/compress/classes.js
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@@ -1283,6 +1283,88 @@ instanceof_lambda: {
node_version: ">=4"
}
drop_instanceof: {
options = {
booleans: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
class A {}
console.log({} instanceof A, Math instanceof A);
}
expect: {
"use strict";
console.log(!1, (Math, !1));
}
expect_stdout: "false false"
node_version: ">=4"
}
keep_instanceof_1: {
options = {
toplevel: true,
unused: true,
}
input: {
"use strict";
class A {}
var A;
console.log({} instanceof A, Math instanceof A);
}
expect: {
"use strict";
class A {}
var A;
console.log({} instanceof A, Math instanceof A);
}
expect_stdout: SyntaxError("Identifier has already been declared")
node_version: ">=4"
}
keep_instanceof_2: {
options = {
toplevel: true,
unused: true,
}
input: {
"use strict";
var A = Object;
class A {}
console.log({} instanceof A, Math instanceof A);
}
expect: {
"use strict";
var A = Object;
class A {}
console.log({} instanceof A, Math instanceof A);
}
expect_stdout: SyntaxError("Identifier has already been declared")
node_version: ">=4"
}
keep_instanceof_3: {
options = {
toplevel: true,
unused: true,
}
input: {
"use strict";
class A {}
A = Object;
console.log({} instanceof A, Math instanceof A);
}
expect: {
"use strict";
class A {}
A = Object;
console.log({} instanceof A, Math instanceof A);
}
expect_stdout: "true true"
node_version: ">=4"
}
issue_805_1: {
options = {
inline: true,