grind-cli/lib/Output/Output.js

CLI provider for Grind

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Output = void 0;

var _OutputFormatter = require("./OutputFormatter.js");

var _InvocationError = require("../Errors/InvocationError.js");

class Output {
  constructor(app, formatter = new _OutputFormatter.OutputFormatter()) {
    this.app = null;
    this.formatter = null;
    this.app = app;
    this.formatter = formatter;
  }

  writeln(...messages) {
    return this._write(messages, true);
  }

  write(...messages) {
    return this._write(messages, false);
  }

  _write(messages, newLine) {
    messages[0] = this.formatter.format(messages[0]);

    if (newLine) {
      console.log(...messages);
    } else {
      process.stdout.write(...messages);
    }
  }

  writeError(err) {
    let message = null;

    if (err instanceof _InvocationError.InvocationError) {
      message = `${err.message}`;
    } else {
      message = (err.stack || err).toString();
    }

    if (!this.formatter.decorated) {
      return this.writeln(message);
    }

    const lines = message.split(/\n/);
    const maxLength = Math.min((process.stdout.columns || 80) - 4, Array.from(lines).sort((a, b) => a.length > b.length ? -1 : 1)[0].length);
    this.writeln('');
    this.writeln(`<error>  ${''.padStart(maxLength, ' ')}  </error>`);

    for (const line of lines) {
      this.writeln(`<error>  ${line.padEnd(maxLength, ' ')}  </error>`);
    }

    this.writeln(`<error>  ${''.padStart(maxLength, ' ')}  </error>`);
    this.writeln('');
  }

}

exports.Output = Output;
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