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perf(router): don't create new serializer every time UrlTree.toString is called (#15565)

This commit is contained in:
Dzmitry Shylovich 2017-03-29 02:17:48 +03:00 committed by Victor Berchet
parent a580f8c61f
commit 0c36f2353d
1 changed files with 4 additions and 2 deletions
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6
packages/router/src/url_tree.ts
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@ -115,7 +115,7 @@ export class UrlTree {
/** The fragment of the URL */ /** The fragment of the URL */
public fragment: string) {} public fragment: string) {}
get queryParamMap() { get queryParamMap(): ParamMap {
if (!this._queryParamMap) { if (!this._queryParamMap) {
this._queryParamMap = convertToParamMap(this.queryParams); this._queryParamMap = convertToParamMap(this.queryParams);
} }
@ -123,7 +123,7 @@ export class UrlTree {
} }
/** @docsNotRequired */ /** @docsNotRequired */
toString(): string { return new DefaultUrlSerializer().serialize(this); } toString(): string { return DEFAULT_SERIALIZER.serialize(this); }
} }
/** /**
@ -294,6 +294,8 @@ export class DefaultUrlSerializer implements UrlSerializer {
} }
} }
const DEFAULT_SERIALIZER = new DefaultUrlSerializer();
export function serializePaths(segment: UrlSegmentGroup): string { export function serializePaths(segment: UrlSegmentGroup): string {
return segment.segments.map(p => serializePath(p)).join('/'); return segment.segments.map(p => serializePath(p)).join('/');
} }