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Avoid breaking change by introducing overloads for 'createTaggedTemplate'/'updateTaggedTemplate'.

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This commit is contained in:
Daniel Rosenwasser 2018-04-17 14:09:42 -07:00
parent a2073f1217
commit 4bfb1a3aa1
2 changed files with 20 additions and 8 deletions
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27
src/compiler/factory.ts
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@ -1032,19 +1032,32 @@ namespace ts {
: node;
}
export function createTaggedTemplate(tag: Expression, typeArguments: NodeArray<TypeNode>, template: TemplateLiteral) {
export function createTaggedTemplate(tag: Expression, template: TemplateLiteral): TaggedTemplateExpression;
export function createTaggedTemplate(tag: Expression, typeArguments: ReadonlyArray<TypeNode>, template: TemplateLiteral): TaggedTemplateExpression;
/** @internal */
export function createTaggedTemplate(tag: Expression, typeArgumentsOrTemplate: ReadonlyArray<TypeNode> | TemplateLiteral, template?: TemplateLiteral): TaggedTemplateExpression;
export function createTaggedTemplate(tag: Expression, typeArgumentsOrTemplate: ReadonlyArray<TypeNode> | TemplateLiteral, template?: TemplateLiteral) {
const node = <TaggedTemplateExpression>createSynthesizedNode(SyntaxKind.TaggedTemplateExpression);
node.tag = parenthesizeForAccess(tag);
node.typeArguments = typeArguments;
node.template = template;
if (template) {
node.typeArguments = asNodeArray(typeArgumentsOrTemplate as ReadonlyArray<TypeNode>);
node.template = template!;
}
else {
node.typeArguments = undefined;
node.template = typeArgumentsOrTemplate as TemplateLiteral;
}
return node;
}
export function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, typeArguments: NodeArray<TypeNode>, template: TemplateLiteral) {
export function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, template: TemplateLiteral): TaggedTemplateExpression;
export function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, typeArguments: ReadonlyArray<TypeNode>, template: TemplateLiteral): TaggedTemplateExpression;
export function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, typeArgumentsOrTemplate: ReadonlyArray<TypeNode> | TemplateLiteral, template?: TemplateLiteral) {
return node.tag !== tag
|| node.typeArguments !== typeArguments
|| node.template !== template
? updateNode(createTaggedTemplate(tag, typeArguments, template), node)
|| (template
? node.typeArguments !== typeArgumentsOrTemplate || node.template !== template
: node.typeArguments !== undefined || node.template !== typeArgumentsOrTemplate)
? updateNode(createTaggedTemplate(tag, typeArgumentsOrTemplate, template), node)
: node;
}

1
src/compiler/parser.ts
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@ -4370,7 +4370,6 @@ namespace ts {
return <MemberExpression>expression;
}
}
function isTemplateStartOfTaggedTemplate() {