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Put expression after extend between parentheses if necessary (#1780)

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This commit is contained in:
Anthony Van de Gejuchte
2017-04-04 06:38:13 +02:00
committed by Alex Lam S.L
parent 2377171200
commit c20bb99a62
2 changed files with 19 additions and 11 deletions
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23
lib/output.js
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@@ -654,17 +654,18 @@ function OutputStream(options) {
PARENS(AST_Seq, function(output){
var p = output.parent();
return p instanceof AST_Call // (foo, bar)() or foo(1, (2, 3), 4)
|| p instanceof AST_Unary // !(foo, bar, baz)
|| p instanceof AST_Binary // 1 + (2, 3) + 4 ==> 8
|| p instanceof AST_VarDef // var a = (1, 2), b = a + a; ==> b == 4
|| p instanceof AST_PropAccess // (1, {foo:2}).foo or (1, {foo:2})["foo"] ==> 2
|| p instanceof AST_Array // [ 1, (2, 3), 4 ] ==> [ 1, 3, 4 ]
|| p instanceof AST_ObjectProperty // { foo: (1, 2) }.foo ==> 2
|| p instanceof AST_Conditional /* (false, true) ? (a = 10, b = 20) : (c = 30)
* ==> 20 (side effect, set a := 10 and b := 20) */
|| p instanceof AST_Arrow // x => (x, x)
|| p instanceof AST_DefaultAssign // x => (x = (0, function(){}))
return p instanceof AST_Call // (foo, bar)() or foo(1, (2, 3), 4)
|| p instanceof AST_Unary // !(foo, bar, baz)
|| p instanceof AST_Binary // 1 + (2, 3) + 4 ==> 8
|| p instanceof AST_VarDef // var a = (1, 2), b = a + a; ==> b == 4
|| p instanceof AST_PropAccess // (1, {foo:2}).foo or (1, {foo:2})["foo"] ==> 2
|| p instanceof AST_Array // [ 1, (2, 3), 4 ] ==> [ 1, 3, 4 ]
|| p instanceof AST_ObjectProperty // { foo: (1, 2) }.foo ==> 2
|| p instanceof AST_Conditional /* (false, true) ? (a = 10, b = 20) : (c = 30)
* ==> 20 (side effect, set a := 10 and b := 20) */
|| p instanceof AST_Arrow // x => (x, x)
|| p instanceof AST_DefaultAssign // x => (x = (0, function(){}))
|| (p instanceof AST_Class && p.extends === this) // class D extends (calls++, C) {}
;
});

7
test/compress/harmony.js
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@@ -152,6 +152,13 @@ class_methods_and_getters_with_keep_quoted_props_enabled: {
expect_exact: 'class clss{a(){}"b"(){}get c(){return"c"}get"d"(){return"d"}set e(a){doSomething(a)}set\'f\'(a){doSomething(b)}static g(){}static"h"(){}}'
}
classes_with_expression_as_expand: {
input: {
class D extends (calls++, C) {}
}
expect_exact: "class D extends(calls++,C){}"
}
new_target: {
input: {
new.target;