100 lines
3.5 KiB
JavaScript
100 lines
3.5 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 () {
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var ownKeys = function(o) {
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ownKeys = Object.getOwnPropertyNames || function (o) {
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var ar = [];
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for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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return ar;
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};
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return ownKeys(o);
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};
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return 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 = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
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__setModuleDefault(result, mod);
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return result;
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.OutputWriter = void 0;
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const Rx = __importStar(require("rxjs"));
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const observables_1 = require("./observables");
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/**
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* Class responsible for actually writing output onto a writable stream.
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*/
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class OutputWriter {
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outputStream;
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group;
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buffers;
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activeCommandIndex = 0;
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error;
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get errored() {
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return this.outputStream.errored;
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}
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constructor({ outputStream, group, commands, }) {
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this.outputStream = outputStream;
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this.ensureWritable();
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this.error = (0, observables_1.fromSharedEvent)(this.outputStream, 'error');
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this.group = group;
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this.buffers = commands.map(() => []);
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if (this.group) {
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Rx.merge(...commands.map((c) => c.close)).subscribe((command) => {
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if (command.index !== this.activeCommandIndex) {
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return;
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}
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for (let i = command.index + 1; i < commands.length; i++) {
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this.activeCommandIndex = i;
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this.flushBuffer(i);
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// TODO: Should errored commands also flush buffer?
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if (commands[i].state !== 'exited') {
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break;
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}
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}
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});
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}
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}
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ensureWritable() {
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if (this.errored) {
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throw new TypeError('outputStream is in errored state', { cause: this.errored });
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}
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}
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write(command, text) {
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this.ensureWritable();
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if (this.group && command) {
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if (command.index <= this.activeCommandIndex) {
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this.outputStream.write(text);
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}
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else {
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this.buffers[command.index].push(text);
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}
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}
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else {
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// "global" logs (command=null) are output out of order
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this.outputStream.write(text);
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}
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}
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flushBuffer(index) {
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if (!this.errored) {
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this.buffers[index].forEach((t) => this.outputStream.write(t));
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}
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this.buffers[index] = [];
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}
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}
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exports.OutputWriter = OutputWriter;
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