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enhance booleans (#5022)

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closes #5021
This commit is contained in:
Alex Lam S.L
2021-06-22 17:35:50 +01:00
committed by GitHub
parent e9c902b044
commit 7c5b6f349e
7 changed files with 639 additions and 30 deletions
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152
test/compress/nullish.js
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@@ -110,6 +110,158 @@ conditional_assignment_4: {
node_version: ">=14"
}
de_morgan_1: {
options = {
booleans: true,
}
input: {
function f(a) {
return a ?? a;
}
console.log(f(null), f(42));
}
expect: {
function f(a) {
return a;
}
console.log(f(null), f(42));
}
expect_stdout: "null 42"
node_version: ">=14"
}
de_morgan_2a: {
options = {
booleans: true,
conditionals: true,
evaluate: true,
}
input: {
function f(a, b) {
return a || (a ?? b);
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect: {
function f(a, b) {
return a || (a ?? b);
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect_stdout: [
"undefined {}",
"42 42",
]
node_version: ">=14"
}
de_morgan_2b: {
options = {
booleans: true,
evaluate: true,
}
input: {
function f(a, b) {
return a && (a ?? b);
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect: {
function f(a, b) {
return a;
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect_stdout: [
"null null",
"42 42",
]
node_version: ">=14"
}
de_morgan_2c: {
options = {
booleans: true,
evaluate: true,
side_effects: true,
}
input: {
function f(a, b) {
return a ?? (a || b);
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect: {
function f(a, b) {
return a ?? b;
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect_stdout: [
"undefined {}",
"42 42",
]
node_version: ">=14"
}
de_morgan_2d: {
options = {
booleans: true,
evaluate: true,
}
input: {
function f(a, b) {
return a ?? (a && b);
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect: {
function f(a, b) {
return a;
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect_stdout: [
"null null",
"42 42",
]
node_version: ">=14"
}
de_morgan_2e: {
options = {
booleans: true,
conditionals: true,
}
input: {
function f(a, b) {
return a ?? (a ?? b);
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect: {
function f(a, b) {
return a ?? b;
}
console.log(f(null), f(null, {}));
console.log(f(42), f(42, {}));
}
expect_stdout: [
"undefined {}",
"42 42",
]
node_version: ">=14"
}
issue_4679: {
options = {
comparisons: true,