@eightshone/sshman/dist/src/utils/validateServerName.js

A simple cli ssh manager

import findServer from "./findServer.js";
import normalizeServerName from "./normalizeServerName.js";
function validateServerName(serverName, servers) {
    // regex for allowed characters
    const allowedPattern = /^[a-zA-Z0-9 \.:_\-]*$/;
    // check for allowed characters
    if (!allowedPattern.test(serverName)) {
        return "The string contains invalid characters.";
    }
    // check if the string starts or ends with invalid characters
    const invalidStartOrEndPattern = /^[ \.:_\-]|[ \.:_\-]$/;
    if (invalidStartOrEndPattern.test(serverName)) {
        return "The string cannot start or end with spaces, dots, colons, dashes, or underscores.";
    }
    // check if server exists in the servers list
    if (findServer(servers, serverName)) {
        return `The name "${serverName}" (normailzed as "${normalizeServerName(serverName)}") already exists`;
    }
    // if all validations pass
    return true;
}
export default validateServerName;
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