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fix various for-of bugs (#2800)

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- disable `rename` pass on harmony due to problem with for-of loops

fixes #2794
This commit is contained in:
kzc
2018-01-17 01:46:23 -05:00
committed by Alex Lam S.L
parent 1b2e6b81a2
commit 4f57d8746b
4 changed files with 203 additions and 7 deletions
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196
test/compress/harmony.js
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@@ -1245,3 +1245,199 @@ issue_2762: {
}
expect_stdout: "1 2 3"
}
issue_2794_1: {
options = {
collapse_vars: true,
evaluate: true,
inline: true,
passes: 1,
properties: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: false,
side_effects: true,
unused: true,
}
input: {
function foo() {
for (const a of func(value)) {
console.log(a);
}
function func(va) {
return doSomething(va);
}
}
function doSomething(x) {
return [ x, 2 * x, 3 * x ];
}
const value = 10;
foo();
}
expect: {
function foo() {
for (const a of (va = value, doSomething(va))) console.log(a);
var va;
}
function doSomething(x) {
return [ x, 2 * x, 3 * x ];
}
const value = 10;
foo();
}
expect_stdout: [
"10",
"20",
"30",
]
node_version: ">=6"
}
issue_2794_2: {
mangle = {
toplevel: false,
}
options = {
collapse_vars: true,
evaluate: true,
inline: true,
passes: 1,
properties: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: false,
side_effects: true,
unused: true,
}
input: {
function foo() {
for (const a of func(value)) {
console.log(a);
}
function func(va) {
return doSomething(va);
}
}
function doSomething(x) {
return [ x, 2 * x, 3 * x ];
}
const value = 10;
foo();
}
expect: {
function foo() {
for (const n of (o = value, doSomething(o))) console.log(n);
var o;
}
function doSomething(o) {
return [ o, 2 * o, 3 * o ];
}
const value = 10;
foo();
}
expect_stdout: [
"10",
"20",
"30",
]
node_version: ">=6"
}
issue_2794_3: {
mangle = {
toplevel: true,
}
options = {
collapse_vars: true,
evaluate: true,
inline: 3,
passes: 3,
properties: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
side_effects: true,
unused: true,
}
input: {
function foo() {
for (const a of func(value)) {
console.log(a);
}
function func(va) {
return doSomething(va);
}
}
function doSomething(x) {
return [ x, 2 * x, 3 * x ];
}
const value = 10;
foo();
}
expect: {
(function() {
for (const o of [ 10, 20, 30 ]) console.log(o);
})();
}
expect_stdout: [
"10",
"20",
"30",
]
node_version: ">=6"
}
issue_2794_4: {
options = {}
input: {
for (var x of ([1, 2], [3, 4])) {
console.log(x);
}
}
expect_exact: "for(var x of([1,2],[3,4]))console.log(x);"
expect_stdout: [
"3",
"4",
]
node_version: ">=6"
}
issue_2794_5: {
mangle = {}
options = {
evaluate: true,
passes: 1,
side_effects: true,
unused: true,
}
input: {
for (var x of ([1, 2], [3, 4])) {
console.log(x);
}
}
expect_exact: "for(var x of[3,4])console.log(x);"
expect_stdout: [
"3",
"4",
]
node_version: ">=6"
}
issue_2794_6: {
options = {
}
input: {
// TODO (or not): have parser flag invalid for-of expression.
// Consider it an uglify extension in the meantime.
for (let e of [1,2], [3,4,5]) {
console.log(e);
}
}
expect_exact: "for(let e of([1,2],[3,4,5]))console.log(e);"
expect_stdout: [
"3",
"4",
"5",
]
node_version: ">=6"
}