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support computed property name in object literal (#4268)

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This commit is contained in:
Alex Lam S.L
2020-11-08 15:38:32 +00:00
committed by GitHub
parent 810cd40356
commit 91fc1c82b5
10 changed files with 166 additions and 139 deletions
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30
lib/ast.js
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@@ -1015,24 +1015,28 @@ var AST_Object = DEFNODE("Object", "properties", {
var AST_ObjectProperty = DEFNODE("ObjectProperty", "key value", {
$documentation: "Base class for literal object properties",
$propdoc: {
key: "[string|AST_SymbolAccessor] property name. For ObjectKeyVal this is a string. For getters and setters this is an AST_SymbolAccessor.",
value: "[AST_Node] property value. For getters and setters this is an AST_Accessor."
key: "[string|AST_Node] property name. For computed property this is an AST_Node.",
value: "[AST_Node] property value. For getters and setters this is an AST_Accessor.",
},
walk: function(visitor) {
var node = this;
visitor.visit(node, function() {
if (node.key instanceof AST_Node) node.key.walk(visitor);
node.value.walk(visitor);
});
}
});
var AST_ObjectKeyVal = DEFNODE("ObjectKeyVal", "quote", {
$documentation: "A key: value object property",
$propdoc: {
quote: "[string] the original quote character"
},
_validate: function() {
if (typeof this.key != "string") throw new Error("key must be string");
if (typeof this.key != "string") {
if (!(this.key instanceof AST_Node)) throw new Error("key must be string or AST_Node");
must_be_expression(this, "key");
}
if (!(this.value instanceof AST_Node)) throw new Error("value must be AST_Node");
},
});
var AST_ObjectKeyVal = DEFNODE("ObjectKeyVal", null, {
$documentation: "A key: value object property",
_validate: function() {
must_be_expression(this, "value");
},
}, AST_ObjectProperty);
@@ -1040,7 +1044,6 @@ var AST_ObjectKeyVal = DEFNODE("ObjectKeyVal", "quote", {
var AST_ObjectSetter = DEFNODE("ObjectSetter", null, {
$documentation: "An object setter property",
_validate: function() {
if (!(this.key instanceof AST_SymbolAccessor)) throw new Error("key must be AST_SymbolAccessor");
if (!(this.value instanceof AST_Accessor)) throw new Error("value must be AST_Accessor");
},
}, AST_ObjectProperty);
@@ -1048,7 +1051,6 @@ var AST_ObjectSetter = DEFNODE("ObjectSetter", null, {
var AST_ObjectGetter = DEFNODE("ObjectGetter", null, {
$documentation: "An object getter property",
_validate: function() {
if (!(this.key instanceof AST_SymbolAccessor)) throw new Error("key must be AST_SymbolAccessor");
if (!(this.value instanceof AST_Accessor)) throw new Error("value must be AST_Accessor");
},
}, AST_ObjectProperty);
@@ -1065,10 +1067,6 @@ var AST_Symbol = DEFNODE("Symbol", "scope name thedef", {
},
});
var AST_SymbolAccessor = DEFNODE("SymbolAccessor", null, {
$documentation: "The name of a property accessor (setter/getter function)"
}, AST_Symbol);
var AST_SymbolDeclaration = DEFNODE("SymbolDeclaration", "init", {
$documentation: "A declaration symbol (symbol in var, function name or argument, symbol in catch)",
}, AST_Symbol);