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utilities.js
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utilities.js
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import * as readline from 'node:readline';
import { stdin as input, stdout as output } from 'node:process';
import chalk from 'chalk';
const usage = () => {
const usageText = `
Usage:
./index.js <command> [...args]
commands can be:
add_product <product name> <SKU>:
This command adds a new product to our product catalog
add_warehouse <warehouse #> [stock_limit]:
Creates a new warehouse where we can stock products
stock <product SKU> <warehouse #> <quantity>:
Stocks QTY amount of product with SKU in WAREHOUSE# warehouse.
unstock <product SKU> <warehouse #> <quantity>:
Unstocks QTY amount of product with SKU in WAREHOUSE# warehouse.
list_products:
List all produts in the product catalog
list_warehouses:
List all warehouses
list_warehouse <warehouse #>:
List information about the warehouse with the given warehouse#
along with a listing of all product stocked in the warehouse
`;
console.log(usageText);
}
const errorLog = (error) => {
console.log(chalk.red(error));
}
const prompt = (question) => {
const r = readline.createInterface({
input,
output,
terminal: false,
});
return new Promise((resolve, reject) => {
r.question(question, (answer) => {
r.close();
resolve(answer);
});
});
}
export { usage, errorLog, prompt }