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fix(i18n): add a default example to xmb placeholders (#13507) 

Otherwise the TC would not be able to load the message
This commit is contained in:
Victor Berchet 2016-12-15 15:33:42 -08:00 committed by Chuck Jazdzewski
parent 0c19898694
commit 0fe3cd9a4c
2 changed files with 27 additions and 3 deletions
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26
modules/@angular/compiler/src/i18n/serializers/xmb.ts
View File

@ -39,6 +39,7 @@ const _DOCTYPE = `<!ELEMENT messagebundle (msg)*>
export class Xmb implements Serializer {
write(messages: i18n.Message[]): string {
const exampleVisitor = new ExampleVisitor();
const visitor = new _Visitor();
const visited: {[id: string]: boolean} = {};
let rootNode = new xml.Tag(_MESSAGES_TAG);
@ -71,7 +72,7 @@ export class Xmb implements Serializer {
new xml.CR(),
new xml.Doctype(_MESSAGES_TAG, _DOCTYPE),
new xml.CR(),
rootNode,
exampleVisitor.addDefaultExamples(rootNode),
new xml.CR(),
]);
}
@ -134,3 +135,26 @@ class _Visitor implements i18n.Visitor {
export function digest(message: i18n.Message): string {
return decimalDigest(message);
}
// TC requires at least one non-empty example on placeholders
class ExampleVisitor implements xml.IVisitor {
addDefaultExamples(node: xml.Node): xml.Node {
node.visit(this);
return node;
}
visitTag(tag: xml.Tag): void {
if (tag.name === _PLACEHOLDER_TAG) {
if (!tag.children || tag.children.length == 0) {
const exText = new xml.Text(tag.attrs['name'] || '...');
tag.children = [new xml.Tag(_EXEMPLE_TAG, {}, [exText])];
}
} else if (tag.children) {
tag.children.forEach(node => node.visit(this));
}
}
visitText(text: xml.Text): void {}
visitDeclaration(decl: xml.Declaration): void {}
visitDoctype(doctype: xml.Doctype): void {}
}

2
modules/@angular/compiler/test/i18n/serializers/xmb_spec.ts
View File

@ -46,7 +46,7 @@ export function main(): void {
<!ELEMENT ex (#PCDATA)>
]>
<messagebundle>
<msg id="7056919470098446707">translatable element <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>with placeholders<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> <ph name="INTERPOLATION"/></msg>
<msg id="7056919470098446707">translatable element <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>with placeholders<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> <ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph></msg>
<msg id="2981514368455622387">{VAR_PLURAL, plural, =0 {<ph name="START_PARAGRAPH"><ex>&lt;p&gt;</ex></ph>test<ph name="CLOSE_PARAGRAPH"><ex>&lt;/p&gt;</ex></ph>} }</msg>
<msg id="7999024498831672133" desc="d" meaning="m">foo</msg>
<msg id="i" desc="d" meaning="m">foo</msg>