203 lines
8.4 KiB
JavaScript
203 lines
8.4 KiB
JavaScript
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Logger = void 0;
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const chalk_1 = __importDefault(require("chalk"));
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const format_1 = __importDefault(require("date-fns/format"));
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const lodash_1 = __importDefault(require("lodash"));
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const Rx = __importStar(require("rxjs"));
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const defaults = __importStar(require("./defaults"));
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class Logger {
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constructor({ hide, prefixFormat, prefixLength, raw = false, timestampFormat, }) {
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/**
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* Observable that emits when there's been output logged.
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* If `command` is is `undefined`, then the log is for a global event.
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*/
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this.output = new Rx.Subject();
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// To avoid empty strings from hiding the output of commands that don't have a name,
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// keep in the list of commands to hide only strings with some length.
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// This might happen through the CLI when no `--hide` argument is specified, for example.
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this.hide = lodash_1.default.castArray(hide)
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.filter((name) => name || name === 0)
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.map(String);
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this.raw = raw;
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this.prefixFormat = prefixFormat;
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this.prefixLength = prefixLength || defaults.prefixLength;
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this.timestampFormat = timestampFormat || defaults.timestampFormat;
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}
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shortenText(text) {
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if (!text || text.length <= this.prefixLength) {
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return text;
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}
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const ellipsis = '..';
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const prefixLength = this.prefixLength - ellipsis.length;
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const endLength = Math.floor(prefixLength / 2);
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const beginningLength = prefixLength - endLength;
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const beginnning = text.slice(0, beginningLength);
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const end = text.slice(text.length - endLength, text.length);
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return beginnning + ellipsis + end;
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}
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getPrefixesFor(command) {
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return {
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pid: String(command.pid),
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index: String(command.index),
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name: command.name,
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command: this.shortenText(command.command),
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time: (0, format_1.default)(Date.now(), this.timestampFormat),
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};
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}
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getPrefix(command) {
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const prefix = this.prefixFormat || (command.name ? 'name' : 'index');
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if (prefix === 'none') {
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return '';
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}
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const prefixes = this.getPrefixesFor(command);
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if (Object.keys(prefixes).includes(prefix)) {
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return `[${prefixes[prefix]}]`;
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}
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return lodash_1.default.reduce(prefixes, (prev, val, key) => {
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const keyRegex = new RegExp(lodash_1.default.escapeRegExp(`{${key}}`), 'g');
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return prev.replace(keyRegex, String(val));
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}, prefix);
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}
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colorText(command, text) {
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let color;
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if (command.prefixColor && command.prefixColor.startsWith('#')) {
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color = chalk_1.default.hex(command.prefixColor);
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}
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else {
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const defaultColor = lodash_1.default.get(chalk_1.default, defaults.prefixColors, chalk_1.default.reset);
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color = lodash_1.default.get(chalk_1.default, command.prefixColor ?? '', defaultColor);
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}
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return color(text);
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}
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/**
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* Logs an event for a command (e.g. start, stop).
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*
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* If raw mode is on, then nothing is logged.
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*/
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logCommandEvent(text, command) {
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if (this.raw) {
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return;
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}
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this.logCommandText(chalk_1.default.reset(text) + '\n', command);
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}
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logCommandText(text, command) {
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if (this.hide.includes(String(command.index)) || this.hide.includes(command.name)) {
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return;
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}
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const prefix = this.colorText(command, this.getPrefix(command));
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return this.log(prefix + (prefix ? ' ' : ''), text, command);
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}
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/**
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* Logs a global event (e.g. sending signals to processes).
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*
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* If raw mode is on, then nothing is logged.
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*/
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logGlobalEvent(text) {
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if (this.raw) {
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return;
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}
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this.log(chalk_1.default.reset('-->') + ' ', chalk_1.default.reset(text) + '\n');
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}
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/**
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* Logs a table from an input object array, like `console.table`.
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*
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* Each row is a single input item, and they are presented in the input order.
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*/
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logTable(tableContents) {
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// For now, can only print array tables with some content.
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if (this.raw || !Array.isArray(tableContents) || !tableContents.length) {
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return;
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}
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let nextColIndex = 0;
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const headers = {};
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const contentRows = tableContents.map((row) => {
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const rowContents = [];
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Object.keys(row).forEach((col) => {
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if (!headers[col]) {
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headers[col] = {
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index: nextColIndex++,
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length: col.length,
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};
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}
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const colIndex = headers[col].index;
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const formattedValue = String(row[col] == null ? '' : row[col]);
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// Update the column length in case this rows value is longer than the previous length for the column.
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headers[col].length = Math.max(formattedValue.length, headers[col].length);
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rowContents[colIndex] = formattedValue;
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return rowContents;
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});
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return rowContents;
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});
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const headersFormatted = Object.keys(headers).map((header) => header.padEnd(headers[header].length, ' '));
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if (!headersFormatted.length) {
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// No columns exist.
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return;
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}
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const borderRowFormatted = headersFormatted.map((header) => '─'.padEnd(header.length, '─'));
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this.logGlobalEvent(`┌─${borderRowFormatted.join('─┬─')}─┐`);
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this.logGlobalEvent(`│ ${headersFormatted.join(' │ ')} │`);
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this.logGlobalEvent(`├─${borderRowFormatted.join('─┼─')}─┤`);
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contentRows.forEach((contentRow) => {
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const contentRowFormatted = headersFormatted.map((header, colIndex) => {
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// If the table was expanded after this row was processed, it won't have this column.
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// Use an empty string in this case.
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const col = contentRow[colIndex] || '';
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return col.padEnd(header.length, ' ');
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});
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this.logGlobalEvent(`│ ${contentRowFormatted.join(' │ ')} │`);
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});
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this.logGlobalEvent(`└─${borderRowFormatted.join('─┴─')}─┘`);
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}
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log(prefix, text, command) {
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if (this.raw) {
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return this.emit(command, text);
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}
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// #70 - replace some ANSI code that would impact clearing lines
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text = text.replace(/\u2026/g, '...');
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const lines = text.split('\n').map((line, index, lines) => {
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// First line will write prefix only if we finished the last write with a LF.
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// Last line won't write prefix because it should be empty.
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if (index === 0 || index === lines.length - 1) {
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return line;
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}
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return prefix + line;
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});
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if (!this.lastChar || this.lastChar === '\n') {
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this.emit(command, prefix);
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}
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this.lastChar = text[text.length - 1];
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this.emit(command, lines.join('\n'));
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}
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emit(command, text) {
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this.output.next({ command, text });
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}
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}
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exports.Logger = Logger;
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