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ITI DI

import { createContainer } from "iti"
export interface Logger {
info: (msg: string) => void
warn: (msg: string) => void
error: (msg: string) => void
}

export class ConsoleLogger implements Logger {
info(msg: string): void {
console.log("Console Logger: ", msg)
}
warn(msg: string): void {}
error(msg: string): void {}
}

export class PinoLogger implements Logger {
info(msg: string): void {
console.log("Pino Logger: ", msg)
}
warn(msg: string): void {}
error(msg: string): void {}
}

export class PaymentService {
private readonly logger: Logger
constructor(_logger: Logger) {
this.logger = _logger
}

sendMoney() {
this.logger.info("inversify logger info")
return true
}
}

const root = createContainer()
.add({
logger: () =>
process.env.NODE_ENV === "production"
? new PinoLogger()
: new ConsoleLogger(),
})
.add((ctx) => ({
paymentService: () => new PaymentService(ctx.logger),
}))

const ps = root.congainers.paymentService
ps.sendMoney()