1 | "use strict";
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2 | var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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3 | function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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4 | return new (P || (P = Promise))(function (resolve, reject) {
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5 | function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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6 | function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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7 | function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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8 | step((generator = generator.apply(thisArg, _arguments || [])).next());
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9 | });
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10 | };
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11 | Object.defineProperty(exports, "__esModule", { value: true });
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12 | const readline_1 = require("readline");
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13 | class InputStream {
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14 | constructor(input = process.stdin) {
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15 | this.reader = readline_1.createInterface({ input });
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16 | this.buffer = [];
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17 | this.handlers = [];
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18 | this.reader.on('line', (line) => {
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19 | if (this.handlers.length > 0) {
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20 | const resolver = this.handlers.shift();
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21 | if (resolver)
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22 | resolver(line);
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23 | }
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24 | else {
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25 | this.buffer.push(line);
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26 | }
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27 | });
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28 | this.reader.on('close', () => {
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29 | if (this.handlers.length > 0) {
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30 | const resolver = this.handlers.shift();
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31 | if (resolver)
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32 | resolver(null);
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33 | }
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34 | });
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35 | }
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36 | getLine() {
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37 | return __awaiter(this, void 0, void 0, function* () {
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38 | return new Promise(resolve => {
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39 | if (this.buffer.length > 0) {
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40 | this.reader.pause();
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41 | return resolve(this.buffer.shift());
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42 | }
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43 | this.reader.resume();
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44 | this.handlers.push(resolve);
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45 | });
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46 | });
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47 | }
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48 | close() {
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49 | this.reader.close();
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50 | }
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51 | }
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52 | let input = null;
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53 | function default_1(options = {}) {
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54 | input = input || new InputStream(options.stream);
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55 | const line = input.getLine();
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56 | if (options.close)
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57 | input.close();
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58 | return line;
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59 | }
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60 | exports.default = default_1;
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