@tsed/platform-http/lib/esm/common/utils/createContext.js

A TypeScript Framework on top of Express

import { configuration, injector } from "@tsed/di";
import { v4 } from "uuid";
import { PlatformContext } from "../domain/PlatformContext.js";
import { PlatformRequest } from "../services/PlatformRequest.js";
import { PlatformResponse } from "../services/PlatformResponse.js";
function defaultReqIdBuilder(req) {
    return req.get?.("x-request-id") || v4().split("-").join("");
}
function mapIgnoreUrlPatterns(ignoreUrlPatterns) {
    return ignoreUrlPatterns.map((pattern) => (typeof pattern === "string" ? new RegExp(pattern, "gi") : pattern));
}
export function buildIgnoreLog(ignoreUrlPatterns) {
    if (ignoreUrlPatterns) {
        ignoreUrlPatterns = mapIgnoreUrlPatterns(ignoreUrlPatterns);
        return (ignore, data, url) => ignoreUrlPatterns?.find((reg) => !!url.match(reg));
    }
}
/**
 * Create the TsED context to wrap request, response, injector, etc...
 * @ignore
 */
export function createContext() {
    const ResponseKlass = injector().getProvider(PlatformResponse)?.useClass;
    const RequestKlass = injector().getProvider(PlatformRequest)?.useClass;
    const { reqIdBuilder = defaultReqIdBuilder, ...loggerOptions } = configuration().logger;
    const opts = {
        ...loggerOptions,
        ResponseKlass,
        RequestKlass
    };
    const ignoreLog = buildIgnoreLog(loggerOptions.ignoreUrlPatterns);
    return function invokeContext(event) {
        const $ctx = new PlatformContext({
            ...opts,
            event,
            id: reqIdBuilder(event.request)
        });
        ignoreLog && $ctx.logger.alterIgnoreLog((ignore, data) => ignoreLog(ignore, data, $ctx.url));
        return $ctx;
    };
}