MessageFormatClassic

import { MessageFormatClassic } from '@amzn/keplerscript-kepleri18n-lib';
...
    // Retrieve the pattern from the string resources. It's hardcoded here to simplify the example.
    const pattern: string = "Car number {carNumber} wins! Congratulations, {driverName}!";
    const carNumber: number = 3;
    const driverName: string = "Alice";
    const argMap = new Map<string, number | string | Date>();
    argMap.set("carNumber", carNumber);
    argMap.set("driverName", driverName);
    const message: string | null = MessageFormatClassic.format(pattern, argMap);
    if (message === null) {
        // Error
        return;
    }
    // message is "Car number 3 wins! Congratulations, Alice!".

import { MessageFormatClassic } from '@amzn/keplerscript-kepleri18n-lib';
...
    // Retrieve the pattern from the string resources. It's hardcoded here to simplify the example.
    const pattern: string = "Car number {0} wins! Congratulations, {1}!";
    const carNumber: number = 11;
    const driverName: string = "Bob";
    const message: string | null = MessageFormatClassic.formatPositional(pattern, carNumber, driverName);
    if (message === null) {
        // Error
        return;
    }
    // message is "Car number 11 wins! Congratulations, Bob!".