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Add holes in destructuring defs, also make them nestable

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Fábio Santos
2015-08-14 01:16:54 +01:00
committed by Richard van Velzen
parent c44c2d6c21
commit 025d34bfa2
3 changed files with 42 additions and 5 deletions
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11
test/parser.js
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@@ -101,6 +101,17 @@ module.exports = function () {
ok.equal(decls.body[0].TYPE, 'Var');
ok.equal(decls.body[0].definitions.length, 2);
ok.equal(decls.body[0].definitions[0].name.TYPE, 'Destructuring');
ok.equal(decls.body[0].definitions[0].value.TYPE, 'SymbolRef');
var nested_def = UglifyJS.parse('var [{x}] = foo').body[0].definitions[0];
ok.equal(nested_def.name.names[0].names[0].TYPE, 'SymbolVar')
ok.equal(nested_def.name.names[0].names[0].name, 'x')
var holey_def = UglifyJS.parse('const [,,third] = [1,2,3]').body[0].definitions[0];
ok.equal(holey_def.name.names[0].TYPE, 'Hole')
ok.equal(holey_def.name.names[2].TYPE, 'SymbolConst')
ok.throws(function () {
// Note: this *is* a valid destructuring, but before we implement