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clean up webkit quirks (#3229)

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This commit is contained in:
Alex Lam S.L
2018-08-08 16:15:45 +08:00
committed by GitHub
parent 2a5277b391
commit fc78423f1d
7 changed files with 148 additions and 126 deletions
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34
lib/output.js
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@@ -694,23 +694,15 @@ function OutputStream(options) {
// a function expression needs parens around it when it's provably
// the first token to appear in a statement.
PARENS(AST_Function, function(output) {
if (!output.has_parens() && first_in_statement(output)) {
return true;
}
if (!output.has_parens() && first_in_statement(output)) return true;
if (output.option('webkit')) {
var p = output.parent();
if (p instanceof AST_PropAccess && p.expression === this) {
return true;
}
if (p instanceof AST_PropAccess && p.expression === this) return true;
}
if (output.option('wrap_iife')) {
var p = output.parent();
return p instanceof AST_Call && p.expression === this;
if (p instanceof AST_Call && p.expression === this) return true;
}
return false;
});
// same goes for an object literal, because otherwise it would be
@@ -784,17 +776,17 @@ function OutputStream(options) {
});
PARENS(AST_Call, function(output) {
var p = output.parent(), p1;
if (p instanceof AST_New && p.expression === this)
return true;
// workaround for Safari bug.
var p = output.parent();
if (p instanceof AST_New && p.expression === this) return true;
// https://bugs.webkit.org/show_bug.cgi?id=123506
return this.expression instanceof AST_Function
&& p instanceof AST_PropAccess
&& p.expression === this
&& (p1 = output.parent(1)) instanceof AST_Assign
&& p1.left === p;
if (output.option('webkit')) {
var g = output.parent(1);
return this.expression instanceof AST_Function
&& p instanceof AST_PropAccess
&& p.expression === this
&& g instanceof AST_Assign
&& g.left === p;
}
});
PARENS(AST_New, function(output) {