84 lines
2.0 KiB
TypeScript
84 lines
2.0 KiB
TypeScript
import Axios from 'axios';
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import { LogMessage, LogLevel } from './log-message';
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import LogAppender from './log-appender';
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interface ApiMessage {
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level: string;
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message: string;
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scope: string;
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stacktrace: string;
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timestamp: string;
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}
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export class ApiLogAppender implements LogAppender {
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public batchSize = 10;
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public minimumTimePassedInSec = 60;
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public maximumTimePassedInSec = 120;
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public threshold = LogLevel.ALL;
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private http = Axios.create();
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private msgBuffer: ApiMessage[] = [];
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private lastSent = 0;
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constructor(
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public readonly apiEndpoint: string,
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public authToken?: string,
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threshold?: LogLevel
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) {
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setTimeout(this.checkPost, 1000);
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if (threshold) {
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this.threshold = threshold;
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}
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}
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public appendMessage(msg: LogMessage): void {
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if (this.threshold && msg.level < this.threshold) {
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return;
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}
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this.msgBuffer.push({
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level: LogLevel[msg.level],
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message:
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typeof msg.message === 'string'
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? msg.message
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: JSON.stringify(msg.message),
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scope: msg.scope,
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stacktrace: msg.stacktrace,
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timestamp: msg.timestamp.toISOString()
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});
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}
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private doPost() {
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if (this.msgBuffer.length > 0 && this.authToken) {
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this.http.post(this.apiEndpoint, this.msgBuffer, {
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headers: {
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'Content-Type': 'application/json',
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Authorization: `Bearer ${this.authToken}`
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}
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});
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this.lastSent = Date.now();
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this.msgBuffer = [];
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}
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}
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private checkPost = () => {
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const now = Date.now();
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const min = this.lastSent + this.minimumTimePassedInSec * 1000;
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const max = this.lastSent + this.maximumTimePassedInSec * 1000;
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if (
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(this.msgBuffer.length >= this.batchSize && min < now) ||
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(this.msgBuffer.length > 0 && max < now)
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) {
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this.doPost();
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}
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setTimeout(
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this.checkPost,
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Math.max(10000, this.minimumTimePassedInSec * 1000)
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);
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};
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}
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export default ApiLogAppender;
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