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feat(change_detector): add support for formatters

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This commit is contained in:
vsavkin
2014-11-11 16:30:54 -08:00
parent 79a9430f2c
commit dcd905ae85
4 changed files with 37 additions and 11 deletions
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23
modules/change_detection/test/change_detector_spec.js
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@ -21,8 +21,8 @@ export function main() {
return parser.parseBinding(exp);
}
function createChangeDetector(memo:string, exp:string, context = null) {
var pwg = new ProtoWatchGroup();
function createChangeDetector(memo:string, exp:string, context = null, formatters = null) {
var pwg = new ProtoWatchGroup(formatters);
pwg.watch(ast(exp), memo, false);
var dispatcher = new LoggingDispatcher();
@ -34,8 +34,8 @@ export function main() {
return {"changeDetector" : cd, "dispatcher" : dispatcher};
}
function executeWatch(memo:string, exp:string, context = null) {
var res = createChangeDetector(memo, exp, context);
function executeWatch(memo:string, exp:string, context = null, formatters = null) {
var res = createChangeDetector(memo, exp, context, formatters);
res["changeDetector"].detectChanges();
return res["dispatcher"].log;
}
@ -61,7 +61,7 @@ export function main() {
expect(dispatcher.log).toEqual(['name=Misko']);
});
it('should watch chained properties', () => {
it('should support chained properties', () => {
var address = new Address('Grenoble');
var person = new Person('Victor', address);
@ -69,11 +69,11 @@ export function main() {
.toEqual(['address.city=Grenoble']);
});
it("should watch literals", () => {
it("should support literals", () => {
expect(executeWatch('const', '10')).toEqual(['const=10']);
});
it("should watch binary operations", () => {
it("should support binary operations", () => {
expect(executeWatch('exp', '10 + 2')).toEqual(['exp=12']);
expect(executeWatch('exp', '10 - 2')).toEqual(['exp=8']);
@ -104,6 +104,15 @@ export function main() {
expect(executeWatch('exp', 'true || false')).toEqual(['exp=true']);
expect(executeWatch('exp', 'false || false')).toEqual(['exp=false']);
});
it("should support formatters", () => {
var formatters = {
"uppercase" : (v) => v.toUpperCase(),
"wrap" : (v, before, after) => `${before}${v}${after}`
};
expect(executeWatch('str', '"aBc" | uppercase', null, formatters)).toEqual(['str=ABC']);
expect(executeWatch('str', '"b" | wrap:"a":"c"', null, formatters)).toEqual(['str=abc']);
});
});
});
}