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chore(fluent-ingest): remove FluentIngest service and all related sources, configs and artifacts

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This commit is contained in:
Simon Larsen
2025-11-07 18:49:09 +00:00
parent 69ae1eb310
commit cafed35795
15 changed files with 0 additions and 5394 deletions
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56
FluentIngest/.dockerignore
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.git
node_modules
# See https://help.github.com/ignore-files/ for more about ignoring files.
# dependencies
/node_modules
node_modules
.idea
# testing
/coverage
# production
/build
# misc
.DS_Store
env.js
npm-debug.log*
yarn-debug.log*
yarn-error.log*
yarn.lock
Untitled-1
*.local.sh
*.local.yaml
run
stop
nohup.out*
encrypted-credentials.tar
encrypted-credentials/
_README.md
# Important Add production values to gitignore.
values-saas-production.yaml
kubernetes/values-saas-production.yaml
/private
/tls_cert.pem
/tls_key.pem
/keys
temp_readme.md
tests/coverage
settings.json
GoSDK/tester/

1
FluentIngest/.gitattributes vendored
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*.js text eol=lf

16
FluentIngest/.gitignore vendored
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# See https://help.github.com/ignore-files/ for more about ignoring files.
# dependencies
#/backend/node_modules
/kubernetes
/node_modules
.idea
# misc
.DS_Store
npm-debug.log*
yarn-debug.log*
yarn-error.log*
yarn.lock

151
FluentIngest/API/FluentIngest.ts
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import TelemetryIngest, {
TelemetryRequest,
} from "Common/Server/Middleware/TelemetryIngest";
import ProductType from "Common/Types/MeteredPlan/ProductType";
import Express, {
ExpressRequest,
ExpressResponse,
ExpressRouter,
NextFunction,
} from "Common/Server/Utils/Express";
import Response from "Common/Server/Utils/Response";
import FluentIngestQueueService from "../Services/Queue/FluentIngestQueueService";
import ClusterKeyAuthorization from "Common/Server/Middleware/ClusterKeyAuthorization";
import BadRequestException from "Common/Types/Exception/BadRequestException";
export class FluentRequestMiddleware {
public static async getProductType(
req: ExpressRequest,
_res: ExpressResponse,
next: NextFunction,
): Promise<void> {
try {
(req as TelemetryRequest).productType = ProductType.Logs;
return next();
} catch (err) {
return next(err);
}
}
}
const router: ExpressRouter = Express.getRouter();
router.post(
"/fluentd/v1/logs",
FluentRequestMiddleware.getProductType,
TelemetryIngest.isAuthorizedServiceMiddleware,
async (
req: ExpressRequest,
res: ExpressResponse,
next: NextFunction,
): Promise<void> => {
try {
if (!(req as TelemetryRequest).projectId) {
throw new BadRequestException(
"Invalid request - projectId not found in request.",
);
}
req.body = req.body.toJSON ? req.body.toJSON() : req.body;
// Return response immediately
Response.sendEmptySuccessResponse(req, res);
// Add to queue for asynchronous processing
await FluentIngestQueueService.addFluentIngestJob(
req as TelemetryRequest,
);
return;
} catch (err) {
return next(err);
}
},
);
// Queue stats endpoint
router.get(
"/fluent/queue/stats",
ClusterKeyAuthorization.isAuthorizedServiceMiddleware,
async (
req: ExpressRequest,
res: ExpressResponse,
next: NextFunction,
): Promise<void> => {
try {
const stats: {
waiting: number;
active: number;
completed: number;
failed: number;
delayed: number;
total: number;
} = await FluentIngestQueueService.getQueueStats();
return Response.sendJsonObjectResponse(req, res, stats);
} catch (err) {
return next(err);
}
},
);
// Queue size endpoint
router.get(
"/fluent/queue/size",
ClusterKeyAuthorization.isAuthorizedServiceMiddleware,
async (
req: ExpressRequest,
res: ExpressResponse,
next: NextFunction,
): Promise<void> => {
try {
const size: number = await FluentIngestQueueService.getQueueSize();
return Response.sendJsonObjectResponse(req, res, { size });
} catch (err) {
return next(err);
}
},
);
// Queue failed jobs endpoint
router.get(
"/fluent/queue/failed",
ClusterKeyAuthorization.isAuthorizedServiceMiddleware,
async (
req: ExpressRequest,
res: ExpressResponse,
next: NextFunction,
): Promise<void> => {
try {
// Parse pagination parameters from query string
const start: number = parseInt(req.query["start"] as string) || 0;
const end: number = parseInt(req.query["end"] as string) || 100;
const failedJobs: Array<{
id: string;
name: string;
data: any;
failedReason: string;
stackTrace?: string;
processedOn: Date | null;
finishedOn: Date | null;
attemptsMade: number;
}> = await FluentIngestQueueService.getFailedJobs({
start,
end,
});
return Response.sendJsonObjectResponse(req, res, {
failedJobs,
pagination: {
start,
end,
count: failedJobs.length,
},
});
} catch (err) {
return next(err);
}
},
);
export default router;

37
FluentIngest/API/Metrics.ts
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import Express, {
ExpressRequest,
ExpressResponse,
ExpressRouter,
NextFunction,
} from "Common/Server/Utils/Express";
import FluentIngestQueueService from "../Services/Queue/FluentIngestQueueService";
// import ClusterKeyAuthorization from "Common/Server/Middleware/ClusterKeyAuthorization";
const router: ExpressRouter = Express.getRouter();
/**
* JSON metrics endpoint for KEDA autoscaling
* Returns queue size as JSON for KEDA metrics-api scaler
*/
router.get(
"/metrics/queue-size",
// ClusterKeyAuthorization.isAuthorizedServiceMiddleware, // Temporarily disabled for KEDA debugging
async (
_req: ExpressRequest,
res: ExpressResponse,
next: NextFunction,
): Promise<void> => {
try {
const queueSize: number = await FluentIngestQueueService.getQueueSize();
res.setHeader("Content-Type", "application/json");
res.status(200).json({
queueSize: queueSize,
});
} catch (err) {
return next(err);
}
},
);
export default router;

9
FluentIngest/Config.ts
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let concurrency: string | number =
process.env["FLUENT_INGEST_CONCURRENCY"] || 100;
if (typeof concurrency === "string") {
const parsed: number = parseInt(concurrency, 10);
concurrency = !isNaN(parsed) && parsed > 0 ? parsed : 100;
}
export const FLUENT_INGEST_CONCURRENCY: number = concurrency as number;

88
FluentIngest/Dockerfile.tpl
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#
# OneUptime-FluentIngest Dockerfile
#
# Pull base image nodejs image.
FROM public.ecr.aws/docker/library/node:23.8
RUN mkdir /tmp/npm && chmod 2777 /tmp/npm && chown 1000:1000 /tmp/npm && npm config set cache /tmp/npm --global
RUN npm config set fetch-retries 5
RUN npm config set fetch-retry-mintimeout 100000
RUN npm config set fetch-retry-maxtimeout 600000
ARG GIT_SHA
ARG APP_VERSION
ARG IS_ENTERPRISE_EDITION=false
ENV GIT_SHA=${GIT_SHA}
ENV APP_VERSION=${APP_VERSION}
ENV IS_ENTERPRISE_EDITION=${IS_ENTERPRISE_EDITION}
ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
ENV NODE_OPTIONS="--use-openssl-ca"
## Add Intermediate Certs
COPY ./SslCertificates /usr/local/share/ca-certificates
RUN update-ca-certificates
# IF APP_VERSION is not set, set it to 1.0.0
RUN if [ -z "$APP_VERSION" ]; then export APP_VERSION=1.0.0; fi
RUN apt-get update
# Install bash.
RUN apt-get install bash -y && apt-get install curl -y && apt-get install iputils-ping -y
# Install python
RUN apt-get update && apt-get install -y .gyp python3 make g++
# Install playwright dependencies
RUN apt-get install -y libnss3 libnspr4 libatk1.0-0 libatk-bridge2.0-0 libcups2 libdrm2 libxkbcommon0 libxcomposite1 libxdamage1 libxfixes3 libxrandr2 libgbm1 libgtk-3-0 libpango-1.0-0 libcairo2 libgdk-pixbuf2.0-0 libasound2 libatspi2.0-0
#Use bash shell by default
SHELL ["/bin/bash", "-c"]
# Install iputils
RUN apt-get install net-tools -y
RUN mkdir -p /usr/src
WORKDIR /usr/src/Common
COPY ./Common/package*.json /usr/src/Common/
# Set version in ./Common/package.json to the APP_VERSION
RUN sed -i "s/\"version\": \".*\"/\"version\": \"$APP_VERSION\"/g" /usr/src/Common/package.json
RUN npm install
COPY ./Common /usr/src/Common
ENV PRODUCTION=true
WORKDIR /usr/src/app
RUN PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=0 npx playwright install --with-deps
# Install app dependencies
COPY ./FluentIngest/package*.json /usr/src/app/
RUN npm install
# Expose ports.
# - 3401: OneUptime-fluentd
EXPOSE 3401
{{ if eq .Env.ENVIRONMENT "development" }}
#Run the app
CMD [ "npm", "run", "dev" ]
{{ else }}
# Copy app source
COPY ./FluentIngest /usr/src/app
# Bundle app source
RUN npm run compile
# Set permission to write logs and cache in case container run as non root
RUN chown -R 1000:1000 "/tmp/npm" && chmod -R 2777 "/tmp/npm"
#Run the app
CMD [ "npm", "start" ]
{{ end }}

77
FluentIngest/Index.ts
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import FluentIngestAPI from "./API/FluentIngest";
import MetricsAPI from "./API/Metrics";
import { PromiseVoidFunction } from "Common/Types/FunctionTypes";
import { ClickhouseAppInstance } from "Common/Server/Infrastructure/ClickhouseDatabase";
import PostgresAppInstance from "Common/Server/Infrastructure/PostgresDatabase";
import Redis from "Common/Server/Infrastructure/Redis";
import InfrastructureStatus from "Common/Server/Infrastructure/Status";
import Express, { ExpressApplication } from "Common/Server/Utils/Express";
import logger from "Common/Server/Utils/Logger";
import Realtime from "Common/Server/Utils/Realtime";
import App from "Common/Server/Utils/StartServer";
import Telemetry from "Common/Server/Utils/Telemetry";
import "./Jobs/FluentIngest/ProcessFluentIngest";
import { FLUENT_INGEST_CONCURRENCY } from "./Config";
const app: ExpressApplication = Express.getExpressApp();
const APP_NAME: string = "fluent-ingest";
app.use([`/${APP_NAME}`, "/"], FluentIngestAPI);
app.use([`/${APP_NAME}`, "/"], MetricsAPI);
const init: PromiseVoidFunction = async (): Promise<void> => {
try {
const statusCheck: PromiseVoidFunction = async (): Promise<void> => {
return await InfrastructureStatus.checkStatusWithRetry({
checkClickhouseStatus: true,
checkPostgresStatus: true,
checkRedisStatus: true,
retryCount: 3,
});
};
// Initialize telemetry
Telemetry.init({
serviceName: APP_NAME,
});
logger.info(
`FluentIngest Service - Queue concurrency: ${FLUENT_INGEST_CONCURRENCY}`,
);
// init the app
await App.init({
appName: APP_NAME,
statusOptions: {
liveCheck: statusCheck,
readyCheck: statusCheck,
},
});
// connect to the database.
await PostgresAppInstance.connect();
// connect redis
await Redis.connect();
await ClickhouseAppInstance.connect(
ClickhouseAppInstance.getDatasourceOptions(),
);
await Realtime.init();
// add default routes
await App.addDefaultRoutes();
} catch (err) {
logger.error("App Init Failed:");
logger.error(err);
throw err;
}
};
init().catch((err: Error) => {
logger.error(err);
logger.error("Exiting node process");
process.exit(1);
});

143
FluentIngest/Jobs/FluentIngest/ProcessFluentIngest.ts
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import { FluentIngestJobData } from "../../Services/Queue/FluentIngestQueueService";
import logger from "Common/Server/Utils/Logger";
import { QueueJob, QueueName } from "Common/Server/Infrastructure/Queue";
import QueueWorker from "Common/Server/Infrastructure/QueueWorker";
import ObjectID from "Common/Types/ObjectID";
import OneUptimeDate from "Common/Types/Date";
import { JSONObject } from "Common/Types/JSON";
import LogService from "Common/Server/Services/LogService";
import LogSeverity from "Common/Types/Log/LogSeverity";
import OTelIngestService from "Common/Server/Services/OpenTelemetryIngestService";
import { FLUENT_INGEST_CONCURRENCY } from "../../Config";
interface FluentIngestProcessData {
projectId: ObjectID;
requestBody: JSONObject;
requestHeaders: JSONObject;
}
const FLUENT_INGEST_LOG_FLUSH_BATCH_SIZE: number = 500;
// Set up the worker for processing fluent ingest queue
QueueWorker.getWorker(
QueueName.FluentIngest,
async (job: QueueJob): Promise<void> => {
logger.debug(`Processing fluent ingestion job: ${job.name}`);
try {
const jobData: FluentIngestJobData = job.data as FluentIngestJobData;
// Pass job data directly to processing function
await processFluentIngestFromQueue({
projectId: new ObjectID(jobData.projectId),
requestBody: jobData.requestBody,
requestHeaders: jobData.requestHeaders,
});
logger.debug(`Successfully processed fluent ingestion job: ${job.name}`);
} catch (error) {
logger.error(`Error processing fluent ingestion job:`);
logger.error(error);
throw error;
}
},
{ concurrency: FLUENT_INGEST_CONCURRENCY },
);
async function processFluentIngestFromQueue(
data: FluentIngestProcessData,
): Promise<void> {
const dbLogs: Array<JSONObject> = [];
let logItems: Array<JSONObject | string> | JSONObject = data.requestBody as
| Array<JSONObject | string>
| JSONObject;
let oneuptimeServiceName: string | string[] | undefined = data.requestHeaders[
"x-oneuptime-service-name"
] as string | string[] | undefined;
if (!oneuptimeServiceName) {
oneuptimeServiceName = "Unknown Service";
}
const telemetryService: {
serviceId: ObjectID;
dataRententionInDays: number;
} = await OTelIngestService.telemetryServiceFromName({
serviceName: oneuptimeServiceName as string,
projectId: data.projectId,
});
if (
logItems &&
typeof logItems === "object" &&
(logItems as JSONObject)["json"]
) {
logItems = (logItems as JSONObject)["json"] as
| Array<JSONObject | string>
| JSONObject;
}
if (!Array.isArray(logItems)) {
logItems = [logItems];
}
for (const logItem of logItems) {
const logBody: string =
typeof logItem === "string" ? logItem : JSON.stringify(logItem);
const ingestionDate: Date = OneUptimeDate.getCurrentDate();
const ingestionIso: string = OneUptimeDate.toString(ingestionDate);
const timeUnixNano: number = OneUptimeDate.toUnixNano(ingestionDate);
const logRow: JSONObject = {
_id: ObjectID.generate().toString(),
createdAt: ingestionIso,
updatedAt: ingestionIso,
projectId: data.projectId.toString(),
serviceId: telemetryService.serviceId.toString(),
time: ingestionIso,
timeUnixNano: Math.trunc(timeUnixNano).toString(),
severityNumber: 0,
severityText: LogSeverity.Unspecified,
attributes: {},
attributeKeys: [],
traceId: "",
spanId: "",
body: logBody,
};
dbLogs.push(logRow);
if (dbLogs.length >= FLUENT_INGEST_LOG_FLUSH_BATCH_SIZE) {
await flushLogBuffer(dbLogs);
}
}
await flushLogBuffer(dbLogs, true);
}
logger.debug("Fluent ingest worker initialized");
async function flushLogBuffer(
logs: Array<JSONObject>,
force: boolean = false,
): Promise<void> {
while (
logs.length >= FLUENT_INGEST_LOG_FLUSH_BATCH_SIZE ||
(force && logs.length > 0)
) {
const batchSize: number = Math.min(
logs.length,
FLUENT_INGEST_LOG_FLUSH_BATCH_SIZE,
);
const batch: Array<JSONObject> = logs.splice(0, batchSize);
if (batch.length === 0) {
continue;
}
await LogService.insertJsonRows(batch);
}
}

73
FluentIngest/Services/Queue/FluentIngestQueueService.ts
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import { TelemetryRequest } from "Common/Server/Middleware/TelemetryIngest";
import Queue, { QueueName } from "Common/Server/Infrastructure/Queue";
import { JSONObject } from "Common/Types/JSON";
import OneUptimeDate from "Common/Types/Date";
import logger from "Common/Server/Utils/Logger";
export interface FluentIngestJobData {
projectId: string;
requestBody: JSONObject;
requestHeaders: Record<string, string>;
ingestionTimestamp: Date;
}
export default class FluentIngestQueueService {
public static async addFluentIngestJob(req: TelemetryRequest): Promise<void> {
try {
const jobData: FluentIngestJobData = {
projectId: req.projectId.toString(),
requestBody: req.body,
requestHeaders: req.headers as Record<string, string>,
ingestionTimestamp: OneUptimeDate.getCurrentDate(),
};
const jobId: string = `fluent-${req.projectId?.toString()}-${OneUptimeDate.getCurrentDateAsUnixNano()}`;
await Queue.addJob(
QueueName.FluentIngest,
jobId,
"ProcessFluentIngest",
jobData as unknown as JSONObject,
);
logger.debug(`Added fluent ingestion job: ${jobId}`);
} catch (error) {
logger.error(`Error adding fluent ingestion job:`);
logger.error(error);
throw error;
}
}
public static async getQueueSize(): Promise<number> {
return Queue.getQueueSize(QueueName.FluentIngest);
}
public static async getQueueStats(): Promise<{
waiting: number;
active: number;
completed: number;
failed: number;
delayed: number;
total: number;
}> {
return Queue.getQueueStats(QueueName.FluentIngest);
}
public static getFailedJobs(options?: {
start?: number;
end?: number;
}): Promise<
Array<{
id: string;
name: string;
data: JSONObject;
failedReason: string;
stackTrace?: string;
processedOn: Date | null;
finishedOn: Date | null;
attemptsMade: number;
}>
> {
return Queue.getFailedJobs(QueueName.FluentIngest, options);
}
}

32
FluentIngest/jest.config.json
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{
"preset": "ts-jest",
"testPathIgnorePatterns": [
"node_modules",
"dist"
],
"verbose": true,
"globals": {
"ts-jest": {
"tsconfig": "tsconfig.json",
"babelConfig": false
}
},
"moduleFileExtensions": ["ts", "js", "json"],
"transform": {
".(ts|tsx)": "ts-jest"
},
"testEnvironment": "node",
"collectCoverage": false,
"coverageReporters": ["text", "lcov"],
"testRegex": "./Tests/(.*).test.ts",
"collectCoverageFrom": ["./**/*.(tsx||ts)"],
"coverageThreshold": {
"global": {
"lines": 0,
"functions": 0,
"branches": 0,
"statements": 0
}
}
}

8
FluentIngest/nodemon.json
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{
"watch": ["./","../Common/Server", "../Common/Types", "../Common/Utils", "../Common/Models"],
"ext": "ts,tsx",
"ignore": ["./node_modules/**", "./public/**", "./bin/**", "./build/**"],
"watchOptions": {"useFsEvents": false, "interval": 500},
"env": {"TS_NODE_TRANSPILE_ONLY": "1", "TS_NODE_FILES": "false"},
"exec": "node -r ts-node/register/transpile-only Index.ts"
}

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FluentIngest/package-lock.json generated
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28
FluentIngest/package.json
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{
"name": "@oneuptime/fluent-ingest",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "export NODE_OPTIONS='--max-old-space-size=8096' && node --require ts-node/register Index.ts",
"compile": "tsc",
"clear-modules": "rm -rf node_modules && rm package-lock.json && npm install",
"dev": "npx nodemon",
"audit": "npm audit --audit-level=low",
"dep-check": "npm install -g depcheck && depcheck ./ --skip-missing=true",
"test": "jest --passWithNoTests"
},
"author": "OneUptime <hello@oneuptime.com> (https://oneuptime.com/)",
"license": "Apache-2.0",
"dependencies": {
"Common": "file:../Common",
"ts-node": "^10.9.1"
},
"devDependencies": {
"@types/jest": "^27.5.0",
"@types/node": "^17.0.31",
"jest": "^28.1.0",
"nodemon": "^2.0.20",
"ts-jest": "^28.0.2"
}
}

115
FluentIngest/tsconfig.json
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{
"ts-node": {
// these options are overrides used only by ts-node
// same as the --compilerOptions flag and the TS_NODE_COMPILER_OPTIONS environment variable
"compilerOptions": {
"module": "commonjs",
"resolveJsonModule": true,
}
},
"compilerOptions": {
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Projects */
// "incremental": true, /* Enable incremental compilation */
// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
// "tsBuildInfoFile": "./", /* Specify the folder for .tsbuildinfo incremental compilation files. */
// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects */
// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */
"target": "es2017" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
"jsx": "react" /* Specify what JSX code is generated. */,
"experimentalDecorators": true /* Enable experimental support for TC39 stage 2 draft decorators. */,
"emitDecoratorMetadata": true /* Emit design-type metadata for decorated declarations in source files. */,
// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h' */
// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.` */
// "reactNamespace": "", /* Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
/* Modules */
// "module": "es2022" /* Specify what module code is generated. */,
"rootDir": "" /* Specify the root folder within your source files. */,
"moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
"typeRoots": [
"./node_modules/@types"
] /* Specify multiple folders that act like `./node_modules/@types`. */,
"types": [
"node",
"jest"
] /* Specify type package names to be included without being referenced in a source file. */,
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
// "resolveJsonModule": true, /* Enable importing .json files */
// "noResolve": true, /* Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
"sourceMap": true /* Create source map files for emitted JavaScript files. */,
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output. */
"outDir": "build/dist" /* Specify an output folder for all emitted files. */,
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have `@internal` in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like `__extends` in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing `const enum` declarations in generated code. */
// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */
// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */,
// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
"forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
/* Type Checking */
"strict": true /* Enable all strict type-checking options. */,
"noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied `any` type.. */,
"strictNullChecks": true /* When type checking, take into account `null` and `undefined`. */,
"strictFunctionTypes": true /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */,
"strictBindCallApply": true /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */,
"strictPropertyInitialization": true /* Check for class properties that are declared but not set in the constructor. */,
"noImplicitThis": true /* Enable error reporting when `this` is given the type `any`. */,
"useUnknownInCatchVariables": true /* Type catch clause variables as 'unknown' instead of 'any'. */,
"alwaysStrict": true /* Ensure 'use strict' is always emitted. */,
"noUnusedLocals": true /* Enable error reporting when a local variables aren't read. */,
"noUnusedParameters": true /* Raise an error when a function parameter isn't read */,
"exactOptionalPropertyTypes": true /* Interpret optional property types as written, rather than adding 'undefined'. */,
"noImplicitReturns": true /* Enable error reporting for codepaths that do not explicitly return in a function. */,
"noFallthroughCasesInSwitch": true /* Enable error reporting for fallthrough cases in switch statements. */,
"noUncheckedIndexedAccess": true /* Include 'undefined' in index signature results */,
"noImplicitOverride": true /* Ensure overriding members in derived classes are marked with an override modifier. */,
"noPropertyAccessFromIndexSignature": true /* Enforces using indexed accessors for keys declared using an indexed type */,
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true, /* Skip type checking all .d.ts files. */
"resolveJsonModule": true
}
}