@codingtools/cdt/lib/commands/view.js

CLI for Developers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
// code here to write the tool for csv tool show
const command_1 = require("@oclif/command");
const chalk_1 = tslib_1.__importDefault(require("chalk"));
const logger_1 = tslib_1.__importDefault(require("../utilities/logger"));
const utilities_1 = tslib_1.__importDefault(require("../utilities/utilities"));
class View extends command_1.Command {
    // required FILE
    async run() {
        const { args, flags } = this.parse(View);
        args.file = this.getFilePath(flags, args);
        args.num = this.getFileLinesToShow(flags);
        // args.rowsToShow
        this.checkParameters(flags, args);
        this.showFile(args);
    }
    getFilePath(flags, args) {
        if (args.file)
            return args.file;
        if (flags.file)
            return flags.file9;
        logger_1.default.error(this, 'File path not passed');
    }
    getFileLinesToShow(flags) {
        if (flags.num && flags.num > 0) // if value available and valid
            return flags.num;
        else
            return View.DEFAULT_COUNT;
    }
    // tslint:disable-next-line:no-unused
    checkParameters(flags, args) {
        if (args.file === undefined || args.file === '')
            logger_1.default.error(this, 'File path is empty');
        // others already checked
    }
    showFile(args) {
        let data = utilities_1.default.getStringFromFile(this, args.file);
        let rows = data.split('\n');
        let widthArray = [];
        let recordsToShow = parseInt(args.num, 10) + 1;
        for (let i = 0; i < rows[0].length; i++) {
            widthArray[i] = 0;
        }
        if (recordsToShow > rows.length) {
            recordsToShow = rows.length - 1;
        }
        for (let i = 0; i < recordsToShow; i++) {
            let row = rows[i].split(',');
            for (let j = 0; j < row.length; j++) {
                if (widthArray[j] < row[j].length) {
                    widthArray[j] = row[j].length;
                }
            }
        }
        // -1 need to be done to exclude header
        // ${chalk.yellow('Avro Schema')
        logger_1.default.info(this, `Total ${chalk_1.default.greenBright(rows.length - 2)} records in file.`);
        logger_1.default.info(this, `showing top ${chalk_1.default.yellow(recordsToShow - 1)} records.`);
        this.printRow(rows[0].split(','), widthArray, '+', true);
        for (let i = 0; i < recordsToShow; i++) {
            let row = rows[i];
            this.printRow(row.split(','), widthArray, '|', false);
            this.printRow(row.split(','), widthArray, '+', true);
        }
        logger_1.default.success(this, 'done.\n');
    }
    printRow(row, widthArray, seperator, isLineSeparator) {
        let output = seperator;
        for (let i = 0; i < row.length; i++) {
            let totalSize = widthArray[i];
            let dataLength = 0;
            let space = '-';
            if (!isLineSeparator) {
                let data = row[i];
                data = data.split(/\r/)[0];
                output += data;
                dataLength = data.length;
                space = ' ';
            }
            for (let j = 0; j < totalSize - dataLength; j++) {
                output += space;
            }
            output += seperator;
        }
        this.log('' + output);
    }
}
exports.default = View;
View.description = 'View file content and more';
View.DEFAULT_COUNT = 10;
View.flags = {
    help: command_1.flags.help({ char: 'h' }),
    file: command_1.flags.string({ char: 'f', description: 'formatted file to be shown' }),
    num: command_1.flags.string({ char: 'n', description: `no. of rows to show, default:${View.DEFAULT_COUNT}` })
};
View.args = [{ name: 'file' }];
//# sourceMappingURL=view.js.map