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fix(compiler): Update types for TypeScript nullability support

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This commit is contained in:
Miško Hevery
2017-03-24 09:59:58 -07:00
committed by Hans
parent d8b73e4223
commit 09d9f5fe54
118 changed files with 2086 additions and 1859 deletions
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10
packages/compiler/src/util.ts
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@ -50,6 +50,14 @@ export function visitValue(value: any, visitor: ValueVisitor, context: any): any
return visitor.visitOther(value, context);
}
export function isDefined(val: any): boolean {
return val !== null && val !== undefined;
}
export function noUndefined<T>(val: T | undefined): T {
return val === undefined ? null ! : val;
}
export interface ValueVisitor {
visitArray(arr: any[], context: any): any;
visitStringMap(map: {[key: string]: any}, context: any): any;
@ -71,7 +79,7 @@ export class ValueTransformer implements ValueVisitor {
}
export class SyncAsyncResult<T> {
constructor(public syncResult: T, public asyncResult: Promise<T> = null) {
constructor(public syncResult: T|null, public asyncResult: Promise<T>|null = null) {
if (!asyncResult) {
this.asyncResult = Promise.resolve(syncResult);
}