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improve usability of mangle.properties (#5683)

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fixes #5682
This commit is contained in:
Alex Lam S.L
2022-09-27 06:52:58 +01:00
committed by GitHub
parent 8e65413b99
commit 3fa2086681
7 changed files with 260 additions and 41 deletions
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38
lib/propmangle.js
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@@ -124,12 +124,14 @@ function get_builtins() {
function reserve_quoted_keys(ast, reserved) {
ast.walk(new TreeWalker(function(node) {
if (node instanceof AST_ClassProperty) {
if (node.start && node.start.quote) add(node.key);
if (node instanceof AST_ClassProperty || node instanceof AST_ObjectProperty) {
if (node.key instanceof AST_Node) {
addStrings(node.key, add);
} else if (node.start && node.start.quote) {
add(node.key);
}
} else if (node instanceof AST_Dot) {
if (node.quoted) add(node.property);
} else if (node instanceof AST_ObjectProperty) {
if (node.start && node.start.quote) add(node.key);
} else if (node instanceof AST_Sub) {
addStrings(node.property, add);
}
@@ -191,9 +193,7 @@ function mangle_properties(ast, options) {
// step 1: find candidates to mangle
ast.walk(new TreeWalker(function(node) {
if (node instanceof AST_Binary) {
if (node.operator == "in") addStrings(node.left, add);
} else if (node.TYPE == "Call") {
if (node.TYPE == "Call") {
var exp = node.expression;
if (exp instanceof AST_Dot) switch (exp.property) {
case "defineProperty":
@@ -210,14 +210,16 @@ function mangle_properties(ast, options) {
addStrings(node.args[0], add);
break;
}
} else if (node instanceof AST_ClassProperty) {
if (typeof node.key == "string") add(node.key);
} else if (node instanceof AST_ClassProperty || node instanceof AST_ObjectProperty) {
if (node.key instanceof AST_Node) {
addStrings(node.key, add);
} else {
add(node.key);
}
} else if (node instanceof AST_Dot) {
add(node.property);
} else if (node instanceof AST_ObjectProperty) {
if (typeof node.key == "string") add(node.key);
if (is_lhs(node, this.parent())) add(node.property);
} else if (node instanceof AST_Sub) {
addStrings(node.property, add);
if (is_lhs(node, this.parent())) addStrings(node.property, add);
}
}));
@@ -242,12 +244,14 @@ function mangle_properties(ast, options) {
mangleStrings(node.args[0]);
break;
}
} else if (node instanceof AST_ClassProperty) {
if (typeof node.key == "string") node.key = mangle(node.key);
} else if (node instanceof AST_ClassProperty || node instanceof AST_ObjectProperty) {
if (node.key instanceof AST_Node) {
mangleStrings(node.key);
} else {
node.key = mangle(node.key);
}
} else if (node instanceof AST_Dot) {
node.property = mangle(node.property);
} else if (node instanceof AST_ObjectProperty) {
if (typeof node.key == "string") node.key = mangle(node.key);
} else if (node instanceof AST_Sub) {
if (!options.keep_quoted) mangleStrings(node.property);
}