1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | import { Observable, Operator, PartialObserver, Subject, Subscription } from 'rxjs';
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9 | import { JsonObject } from '../json/interface';
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10 | export interface LoggerMetadata extends JsonObject {
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11 | name: string;
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12 | path: string[];
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13 | }
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14 | export interface LogEntry extends LoggerMetadata {
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15 | level: LogLevel;
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16 | message: string;
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17 | timestamp: number;
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18 | }
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19 | export interface LoggerApi {
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20 | createChild(name: string): Logger;
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21 | log(level: LogLevel, message: string, metadata?: JsonObject): void;
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22 | debug(message: string, metadata?: JsonObject): void;
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23 | info(message: string, metadata?: JsonObject): void;
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24 | warn(message: string, metadata?: JsonObject): void;
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25 | error(message: string, metadata?: JsonObject): void;
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26 | fatal(message: string, metadata?: JsonObject): void;
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27 | }
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28 | export declare type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'fatal';
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29 | export declare class Logger extends Observable<LogEntry> implements LoggerApi {
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30 | readonly name: string;
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31 | readonly parent: Logger | null;
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32 | protected readonly _subject: Subject<LogEntry>;
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33 | protected _metadata: LoggerMetadata;
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34 | private _obs;
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35 | private _subscription;
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36 | protected get _observable(): Observable<LogEntry>;
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37 | protected set _observable(v: Observable<LogEntry>);
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38 | constructor(name: string, parent?: Logger | null);
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39 | asApi(): LoggerApi;
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40 | createChild(name: string): Logger;
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41 | complete(): void;
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42 | log(level: LogLevel, message: string, metadata?: JsonObject): void;
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43 | next(entry: LogEntry): void;
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44 | debug(message: string, metadata?: JsonObject): void;
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45 | info(message: string, metadata?: JsonObject): void;
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46 | warn(message: string, metadata?: JsonObject): void;
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47 | error(message: string, metadata?: JsonObject): void;
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48 | fatal(message: string, metadata?: JsonObject): void;
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49 | toString(): string;
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50 | lift<R>(operator: Operator<LogEntry, R>): Observable<R>;
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51 | subscribe(): Subscription;
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52 | subscribe(observer: PartialObserver<LogEntry>): Subscription;
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53 | subscribe(next?: (value: LogEntry) => void, error?: (error: Error) => void, complete?: () => void): Subscription;
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54 | forEach(next: (value: LogEntry) => void, PromiseCtor?: typeof Promise): Promise<void>;
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55 | }
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