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fix: corrected var/# parsing in template 

Closes #2084
This commit is contained in:
Misko Hevery 2015-05-21 12:17:46 -07:00
parent ab8eb4f652
commit a418397174
2 changed files with 21 additions and 17 deletions
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22
modules/angular2/src/change_detection/parser/parser.ts
View File

@ -538,19 +538,17 @@ class _ParseAST {
this.optionalCharacter($COLON);
var name = null;
var expression = null;
if (this.next !== EOF) {
if (keyIsVar) {
if (this.optionalOperator("=")) {
name = this.expectTemplateBindingKey();
} else {
name = '\$implicit';
}
} else if (!this.peekKeywordVar()) {
var start = this.inputIndex;
var ast = this.parsePipe();
var source = this.input.substring(start, this.inputIndex);
expression = new ASTWithSource(ast, source, this.location);
if (keyIsVar) {
if (this.optionalOperator("=")) {
name = this.expectTemplateBindingKey();
} else {
name = '\$implicit';
}
} else if (this.next !== EOF && !this.peekKeywordVar()) {
var start = this.inputIndex;
var ast = this.parsePipe();
var source = this.input.substring(start, this.inputIndex);
expression = new ASTWithSource(ast, source, this.location);
}
ListWrapper.push(bindings, new TemplateBinding(key, keyIsVar, name, expression));
if (!this.optionalCharacter($SEMICOLON)) {

16
modules/angular2/test/change_detection/parser/parser_spec.ts
View File

@ -447,7 +447,7 @@ export function main() {
function keyValues(templateBindings) {
return ListWrapper.map(templateBindings, (binding) => {
if (binding.keyIsVar) {
return '#' + binding.key + (isBlank(binding.name) ? '' : '=' + binding.name);
return '#' + binding.key + (isBlank(binding.name) ? '=null' : '=' + binding.name);
} else {
return binding.key + (isBlank(binding.expression) ? '' : `=${binding.expression}`)
}
@ -471,7 +471,7 @@ export function main() {
expect(bindings).toEqual([]);
});
iit('should parse a string without a value', () => {
it('should parse a string without a value', () => {
var bindings = parseTemplateBindings('a');
expect(keys(bindings)).toEqual(['a']);
});
@ -508,7 +508,7 @@ export function main() {
it('should detect names as value', () => {
var bindings = parseTemplateBindings("a:#b");
expect(keyValues(bindings)).toEqual(['a', '#b']);
expect(keyValues(bindings)).toEqual(['a', '#b=\$implicit']);
});
it('should allow space and colon as separators', () => {
@ -540,10 +540,16 @@ export function main() {
it('should support var/# notation', () => {
var bindings = parseTemplateBindings("var i");
expect(keyValues(bindings)).toEqual(['#i']);
expect(keyValues(bindings)).toEqual(['#i=\$implicit']);
bindings = parseTemplateBindings("#i");
expect(keyValues(bindings)).toEqual(['#i']);
expect(keyValues(bindings)).toEqual(['#i=\$implicit']);
bindings = parseTemplateBindings("var a; var b");
expect(keyValues(bindings)).toEqual(['#a=\$implicit', '#b=\$implicit']);
bindings = parseTemplateBindings("#a; #b;");
expect(keyValues(bindings)).toEqual(['#a=\$implicit', '#b=\$implicit']);
bindings = parseTemplateBindings("var i-a = k-a");
expect(keyValues(bindings)).toEqual(['#i-a=k-a']);