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feat(compiler): add support for shorthand property declarations in templates (#42421)

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Adds support for shorthand property declarations inside Angular templates. E.g. doing `{foo, bar}` instead of `{foo: foo, bar: bar}`.

Fixes #10277.

PR Close #42421
This commit is contained in:
Kristiyan Kostadinov
2021-06-19 08:07:20 +02:00
committed by Dylan Hunn
parent 699a8b43cb
commit cc672f05bf
17 changed files with 390 additions and 10 deletions
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packages/compiler/test/expression_parser/parser_spec.ts
+17
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@@ -122,6 +122,23 @@ describe('parser', () => {
expectActionError('{1234:0}', 'expected identifier, keyword, or string');
expectActionError('{#myField:0}', 'expected identifier, keyword or string');
});
it('should parse property shorthand declarations', () => {
checkAction('{a, b, c}', '{a: a, b: b, c: c}');
checkAction('{a: 1, b}', '{a: 1, b: b}');
checkAction('{a, b: 1}', '{a: a, b: 1}');
checkAction('{a: 1, b, c: 2}', '{a: 1, b: b, c: 2}');
});
it('should not allow property shorthand declaration on quoted properties', () => {
expectActionError('{"a-b"}', 'expected : at column 7');
});
it('should not infer invalid identifiers as shorthand property declarations', () => {
expectActionError('{a.b}', 'expected } at column 3');
expectActionError('{a["b"]}', 'expected } at column 3');
expectActionError('{1234}', ' expected identifier, keyword, or string at column 2');
});
});
describe('member access', () => {