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fix corner case in unused

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This commit is contained in:
alexlamsl
2018-07-01 14:34:42 +08:00
parent 6aa750010f
commit 5ffc17d4aa
56 changed files with 1588 additions and 973 deletions
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583
test/compress/collapse_vars.js
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@@ -1,9 +1,22 @@
collapse_vars_side_effects_1: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -76,9 +89,21 @@ collapse_vars_side_effects_1: {
collapse_vars_side_effects_2: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function fn(x) { return console.log(x), x; }
@@ -144,10 +169,24 @@ collapse_vars_side_effects_2: {
collapse_vars_issue_721: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true, passes:2
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
passes: 2,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
define(["require", "exports", 'handlebars'], function(require, exports, hb) {
@@ -211,10 +250,23 @@ collapse_vars_issue_721: {
collapse_vars_properties: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1(obj) {
@@ -239,10 +291,23 @@ collapse_vars_properties: {
collapse_vars_if: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -290,10 +355,23 @@ collapse_vars_if: {
collapse_vars_while: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:false, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: false,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1(y) {
@@ -339,10 +417,21 @@ collapse_vars_while: {
collapse_vars_do_while: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:false, loops:false, unused:"keep_assign",
hoist_funs:true, keep_fargs:true, if_return:true, join_vars:true,
side_effects:true
booleans: false,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: false,
properties: true,
sequences: true,
side_effects: true,
unused: "keep_assign",
}
input: {
function f1(y) {
@@ -415,9 +504,21 @@ collapse_vars_do_while: {
collapse_vars_do_while_drop_assign: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:false, loops:false, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: false,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: false,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1(y) {
@@ -490,9 +591,21 @@ collapse_vars_do_while_drop_assign: {
collapse_vars_seq: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
var f1 = function(x, y) {
@@ -514,9 +627,21 @@ collapse_vars_seq: {
collapse_vars_throw: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
var f1 = function(x, y) {
@@ -546,9 +671,21 @@ collapse_vars_throw: {
collapse_vars_switch: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -586,9 +723,20 @@ collapse_vars_switch: {
collapse_vars_assignment: {
options = {
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function log(x) { return console.log(x), x; }
@@ -659,10 +807,20 @@ collapse_vars_assignment: {
collapse_vars_lvalues: {
options = {
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:"keep_assign",
hoist_funs:true, keep_fargs:true, if_return:true, join_vars:true,
side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: "keep_assign",
}
input: {
function f0(x) { var i = ++x; return x += i; }
@@ -692,9 +850,21 @@ collapse_vars_lvalues: {
collapse_vars_lvalues_drop_assign: {
options = {
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true, passes:3
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
passes: 3,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f0(x) { var i = ++x; return x += i; }
@@ -724,10 +894,22 @@ collapse_vars_lvalues_drop_assign: {
collapse_vars_misc1: {
options = {
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f0(o, a, h) {
@@ -771,10 +953,21 @@ collapse_vars_misc1: {
collapse_vars_self_reference: {
options = {
collapse_vars:true, unused:false,
sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: false,
}
input: {
// avoid bug in self-referential declaration.
@@ -802,10 +995,23 @@ collapse_vars_self_reference: {
collapse_vars_repeated: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -845,10 +1051,23 @@ collapse_vars_repeated: {
collapse_vars_closures: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function constant_vars_can_be_replaced_in_any_scope() {
@@ -873,9 +1092,21 @@ collapse_vars_closures: {
collapse_vars_unary: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f0(o, p) {
@@ -936,10 +1167,23 @@ collapse_vars_unary: {
collapse_vars_try: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -992,9 +1236,21 @@ collapse_vars_try: {
collapse_vars_array: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1(x, y) {
@@ -1026,9 +1282,21 @@ collapse_vars_array: {
collapse_vars_object: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f0(x, y) {
@@ -1094,9 +1362,21 @@ collapse_vars_object: {
collapse_vars_eval_and_with: {
options = {
collapse_vars:true, sequences:false, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: false,
side_effects: true,
unused: true,
}
input: {
// Don't attempt to collapse vars in presence of eval() or with statement.
@@ -1134,10 +1414,23 @@ collapse_vars_eval_and_with: {
collapse_vars_constants: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f1(x) {
@@ -1172,10 +1465,24 @@ collapse_vars_constants: {
collapse_vars_arguments: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
toplevel:true, reduce_funcs: true, reduce_vars:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
reduce_funcs: true,
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var outer = function() {
@@ -1195,9 +1502,21 @@ collapse_vars_arguments: {
collapse_vars_short_circuit: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
function f0(x) { var a = foo(), b = bar(); return b || x; }
@@ -1237,20 +1556,20 @@ collapse_vars_short_circuit: {
collapse_vars_short_circuited_conditions: {
options = {
booleans: true,
collapse_vars: true,
sequences: false,
dead_code: true,
conditionals: false,
comparisons: false,
evaluate: true,
booleans: true,
loops: true,
unused: true,
hoist_funs: true,
keep_fargs: true,
if_return: false,
join_vars: true,
side_effects: true,
comparisons: false,
conditionals: false,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: false,
join_vars: true,
keep_fargs: true,
loops: true,
sequences: false,
side_effects: true,
unused: true,
}
input: {
function c1(x) { var a = foo(), b = bar(), c = baz(); return a ? b : c; }
@@ -1286,21 +1605,21 @@ collapse_vars_short_circuited_conditions: {
collapse_vars_regexp: {
options = {
booleans: true,
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
if_return: true,
join_vars: true,
hoist_funs: true,
keep_fargs: true,
loops: false,
reduce_funcs: true,
reduce_vars: true,
side_effects: true,
unused: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: false,
reduce_funcs: true,
reduce_vars: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -1692,9 +2011,21 @@ iife_2: {
var_defs: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
booleans: true,
collapse_vars: true,
comparisons: true,
conditionals: true,
dead_code: true,
evaluate: true,
hoist_funs: true,
if_return: true,
join_vars: true,
keep_fargs: true,
loops: true,
properties: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
var f1 = function(x, y) {
@@ -2825,8 +3156,8 @@ issue_2364_5: {
options = {
collapse_vars: true,
evaluate: true,
pure_getters: true,
properties: true,
pure_getters: true,
reduce_funcs: true,
reduce_vars: true,
unused: true,
@@ -3133,8 +3464,8 @@ issue_2437_1: {
passes: 2,
reduce_funcs: true,
reduce_vars: true,
side_effects: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
@@ -3183,8 +3514,8 @@ issue_2437_2: {
passes: 2,
reduce_funcs: true,
reduce_vars: true,
side_effects: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
@@ -3417,8 +3748,8 @@ issue_2436_6: {
pure_getters: "strict",
reduce_vars: true,
toplevel: true,
unused: true,
unsafe: true,
unused: true,
}
input: {
var o = {