aws-cdk/test/api/console-listener.js

CDK Toolkit, the command line tool for CDK apps

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.stderr = exports.stdout = void 0;
/* eslint-disable import/order */
const events_1 = require("events");
class ConsoleListener {
    constructor(stream, options) {
        this._stream = stream;
        this._options = options;
    }
    inspect() {
        let isTTY;
        if (this._options && this._options.isTTY !== undefined) {
            isTTY = this._options.isTTY;
        }
        const output = [];
        const stream = this._stream;
        const res = new events_1.EventEmitter();
        const originalWrite = stream.write;
        stream.write = (string) => {
            output.push(string);
            return res.emit('data', string);
        };
        const originalIsTTY = stream.isTTY;
        if (isTTY === true) {
            stream.isTTY = isTTY;
        }
        res.output = output;
        res.restore = () => {
            stream.write = originalWrite;
            stream.isTTY = originalIsTTY;
        };
        return res;
    }
    inspectSync(fn) {
        const inspect = this.inspect();
        try {
            fn(inspect.output);
        }
        finally {
            inspect.restore();
        }
        return inspect.output;
    }
}
exports.stdout = new ConsoleListener(process.stdout);
exports.stderr = new ConsoleListener(process.stderr);
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