raas-server/lib/abstractHandler.js

rhamt as a service server

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const vscode_languageserver_1 = require("vscode-languageserver");
class AbstractHandler {
    constructor(connection) {
        this.connection = connection;
        this.init();
    }
    listen() {
        this.connection.listen();
    }
    accept(func, errorVal, errorMessage, token) {
        return new Promise(resolve => {
            setImmediate(() => {
                if (token.isCancellationRequested) {
                    resolve(this.cancelValue());
                }
                else {
                    try {
                        const result = func();
                        if (token.isCancellationRequested) {
                            resolve(this.cancelValue());
                            return;
                        }
                        else {
                            resolve(result);
                        }
                    }
                    catch (e) {
                        console.error(this.formatError(errorMessage, e));
                        resolve(errorVal);
                    }
                }
            });
        });
    }
    cancelValue() {
        return new vscode_languageserver_1.ResponseError(vscode_languageserver_1.ErrorCodes.RequestCancelled, 'Request cancelled');
    }
    formatError(message, err) {
        if (err instanceof Error) {
            const error = err;
            return `${message}: ${error.message}\n${error.stack}`;
        }
        else if (typeof err === 'string') {
            return `${message}: ${err}`;
        }
        else if (err) {
            return `${message}: ${err.toString()}`;
        }
        return message;
    }
}
exports.AbstractHandler = AbstractHandler;
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