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‎.editorconfig

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# Editor configuration, see http://editorconfig.org
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root = true
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[*]
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charset = utf-8
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indent_style = space
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indent_size = 2
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insert_final_newline = true
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trim_trailing_whitespace = true
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[*.md]
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max_line_length = off
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trim_trailing_whitespace = false

‎.gitignore

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# See http://help.github.com/ignore-files/ for more about ignoring files.
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# compiled output
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/dist
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/tmp
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/out-tsc
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# dependencies
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/node_modules
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# IDEs and editors
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/.idea
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.project
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.classpath
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.c9/
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*.launch
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.settings/
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*.sublime-workspace
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# IDE - VSCode
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.vscode/*
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!.vscode/settings.json
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!.vscode/tasks.json
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!.vscode/launch.json
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!.vscode/extensions.json
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# misc
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/.sass-cache
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/connect.lock
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/coverage
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/libpeerconnection.log
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npm-debug.log
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yarn-error.log
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testem.log
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/typings
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# System Files
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.DS_Store
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Thumbs.db

‎README.md

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# PrintLib
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A library for connecting Angular apps with thermal printers.
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## Drivers
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1. WEBUSB API (No drivers needed. Only works with Chrome and Opera with USB connection)
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2. WebPRNT (http)
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## Print Language Drivers
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1. ESC/POS
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2. StarPRNT
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3. Star WebPRNT
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## Installation
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`npm install _yet_to_be_determined_`
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Import the module into your app:
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import { BrowserModule } from '@angular/platform-browser';
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import { NgModule } from '@angular/core';
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import { EscPosPrintModule } from 'ng-thermal-print'; //add this line
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import { AppComponent } from './app.component';
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@NgModule({
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declarations: [
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AppComponent
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],
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imports: [
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BrowserModule,
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EscPosPrintModule //add this line
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],
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providers: [],
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bootstrap: [AppComponent]
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})
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export class AppModule { }
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## Examples
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### WebUSB API
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import { EscPosPrintService } from 'ng-thermal-print/ng-thermal-print.service';
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import { UsbDriver } from 'ng-thermal-print/drivers';
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import { Component } from '@angular/core';
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@Component({
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selector: 'app-root',
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templateUrl: './app.component.html',
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styleUrls: ['./app.component.css']
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})
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export class AppComponent {
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status: boolean = false;
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usbPrintDriver = new UsbDriver(1046, 20497);
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constructor(private printService: EscPosPrintService) {
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this.printService.isConnected.subscribe(result => {
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this.status = result;
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if (result) {
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console.log('connected printer from app');
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} else {
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console.log('not connected');
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}
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});
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}
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requestUsb() {
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// this must be called from an event to work
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let usbPrintDriver = new UsbDriver();
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usbPrintDriver.requestUsb().then(result => {
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this.printService.setDriver(usbPrintDriver);
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});
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}
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writeToUsb() {
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this.printService.init()
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.setBold(true)
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.writeLine('Hello World!')
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.setBold(false)
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.feed(4)
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.cut('full')
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.flush();
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}
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}

‎angular.json

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{
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"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
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"version": 1,
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"newProjectRoot": "projects",
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"projects": {
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"print-lib": {
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"root": "",
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"sourceRoot": "src",
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"projectType": "application",
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"prefix": "app",
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"schematics": {},
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"architect": {
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"build": {
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"builder": "@angular-devkit/build-angular:browser",
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"options": {
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"outputPath": "dist/print-lib",
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"index": "src/index.html",
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"main": "src/main.ts",
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"polyfills": "src/polyfills.ts",
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"tsConfig": "src/tsconfig.app.json",
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"assets": [
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"src/favicon.ico",
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"src/assets"
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],
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"styles": [
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"src/styles.css"
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],
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"scripts": [
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"js/StarWebPrintTrader.js",
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"js/StarWebPrintBuilder.js"
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]
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},
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"configurations": {
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"production": {
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"fileReplacements": [{
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"replace": "src/environments/environment.ts",
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"with": "src/environments/environment.prod.ts"
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}],
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"optimization": true,
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"outputHashing": "all",
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"sourceMap": false,
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"extractCss": true,
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"namedChunks": false,
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"aot": true,
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"extractLicenses": true,
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"vendorChunk": false,
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"buildOptimizer": true
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}
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}
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},
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"serve": {
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"builder": "@angular-devkit/build-angular:dev-server",
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"options": {
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"browserTarget": "print-lib:build"
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},
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"configurations": {
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"production": {
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"browserTarget": "print-lib:build:production"
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}
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}
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},
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"extract-i18n": {
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"builder": "@angular-devkit/build-angular:extract-i18n",
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"options": {
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"browserTarget": "print-lib:build"
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}
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},
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"test": {
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"builder": "@angular-devkit/build-angular:karma",
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"options": {
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"main": "src/test.ts",
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"polyfills": "src/polyfills.ts",
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"tsConfig": "src/tsconfig.spec.json",
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"karmaConfig": "src/karma.conf.js",
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"styles": [
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"src/styles.css"
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],
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"scripts": [],
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"assets": [
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"src/favicon.ico",
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"src/assets"
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]
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}
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},
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"lint": {
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"builder": "@angular-devkit/build-angular:tslint",
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"options": {
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"tsConfig": [
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"src/tsconfig.app.json",
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"src/tsconfig.spec.json"
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],
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"exclude": [
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"**/node_modules/**"
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]
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}
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}
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}
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},
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"print-lib-e2e": {
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"root": "e2e/",
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"projectType": "application",
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"architect": {
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"e2e": {
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"builder": "@angular-devkit/build-angular:protractor",
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"options": {
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"protractorConfig": "e2e/protractor.conf.js",
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"devServerTarget": "print-lib:serve"
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},
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"configurations": {
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"production": {
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"devServerTarget": "print-lib:serve:production"
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}
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}
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},
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"lint": {
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"builder": "@angular-devkit/build-angular:tslint",
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"options": {
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"tsConfig": "e2e/tsconfig.e2e.json",
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"exclude": [
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"**/node_modules/**"
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]
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}
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}
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}
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},
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"ng-thermal-print": {
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"root": "projects/ng-thermal-print",
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"sourceRoot": "projects/ng-thermal-print/src",
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"projectType": "library",
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"prefix": "",
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"architect": {
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"build": {
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"builder": "@angular-devkit/build-ng-packagr:build",
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"options": {
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"tsConfig": "projects/ng-thermal-print/tsconfig.lib.json",
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"project": "projects/ng-thermal-print/ng-package.json"
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},
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"configurations": {
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"production": {
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"project": "projects/ng-thermal-print/ng-package.prod.json"
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}
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}
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},
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"test": {
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"builder": "@angular-devkit/build-angular:karma",
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"options": {
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"main": "projects/ng-thermal-print/src/test.ts",
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"tsConfig": "projects/ng-thermal-print/tsconfig.spec.json",
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"karmaConfig": "projects/ng-thermal-print/karma.conf.js"
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}
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},
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"lint": {
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"builder": "@angular-devkit/build-angular:tslint",
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"options": {
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"tsConfig": [
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"projects/ng-thermal-print/tsconfig.lib.json",
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"projects/ng-thermal-print/tsconfig.spec.json"
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],
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"exclude": [
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"**/node_modules/**"
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]
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}
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}
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}
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}
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},
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"defaultProject": "print-lib"
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}

‎e2e/protractor.conf.js

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// Protractor configuration file, see link for more information
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// https://github.com/angular/protractor/blob/master/lib/config.ts
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const { SpecReporter } = require('jasmine-spec-reporter');
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exports.config = {
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allScriptsTimeout: 11000,
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specs: [
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'./src/**/*.e2e-spec.ts'
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],
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capabilities: {
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'browserName': 'chrome'
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},
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directConnect: true,
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baseUrl: 'http://localhost:4200/',
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framework: 'jasmine',
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jasmineNodeOpts: {
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showColors: true,
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defaultTimeoutInterval: 30000,
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print: function() {}
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},
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onPrepare() {
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require('ts-node').register({
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project: require('path').join(__dirname, './tsconfig.e2e.json')
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});
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jasmine.getEnv().addReporter(new SpecReporter({ spec: { displayStacktrace: true } }));
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}
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};

‎e2e/src/app.e2e-spec.ts

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import { AppPage } from './app.po';
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describe('workspace-project App', () => {
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let page: AppPage;
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beforeEach(() => {
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page = new AppPage();
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});
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it('should display welcome message', () => {
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page.navigateTo();
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expect(page.getParagraphText()).toEqual('Welcome to print-lib!');
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});
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});

‎e2e/src/app.po.ts

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import { browser, by, element } from 'protractor';
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export class AppPage {
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navigateTo() {
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return browser.get('/');
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}
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getParagraphText() {
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return element(by.css('app-root h1')).getText();
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}
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}

‎e2e/tsconfig.e2e.json

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{
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"extends": "../tsconfig.json",
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"compilerOptions": {
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"outDir": "../out-tsc/app",
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"module": "commonjs",
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"target": "es5",
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"types": [
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"jasmine",
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"jasminewd2",
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"node"
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]
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}
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}

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