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fix(compiler): attribute case when parsing HTML in IE9 #4743

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fix(compiler): attribute case when parsing HTML in IE9 #4743

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4 changes: 3 additions & 1 deletion modules/angular2/src/core/compiler/html_parser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,9 @@ function parseText(text: Text, indexInParent: number, parentSourceInfo: string):
function parseAttr(element: Element, parentSourceInfo: string, attrName: string, attrValue: string):
HtmlAttrAst {
// TODO(tbosch): add source row/column source info from parse5 / package:html
return new HtmlAttrAst(attrName, attrValue, `${parentSourceInfo}[${attrName}=${attrValue}]`);
var lowerCaseAttrName = attrName.toLowerCase();
return new HtmlAttrAst(lowerCaseAttrName, attrValue,
`${parentSourceInfo}[${lowerCaseAttrName}=${attrValue}]`);
}

function parseElement(element: Element, indexInParent: number, parentSourceInfo: string):
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8 changes: 8 additions & 0 deletions modules/angular2/test/core/compiler/html_parser_spec.ts
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Expand Up @@ -81,6 +81,14 @@ export function main() {
]);
});

it('should parse and lower case attributes on regular elements', () => {
expect(humanizeDom(parser.parse('<div FoO="bar"></div>', 'TestComp')))
.toEqual([
[HtmlElementAst, 'div', 'TestComp > div:nth-child(0)'],
[HtmlAttrAst, 'foo', 'bar', 'TestComp > div:nth-child(0)[foo=bar]']
]);
});

it('should parse attributes on template elements', () => {
expect(humanizeDom(parser.parse('<template k="v"></template>', 'TestComp')))
.toEqual([
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