372 lines
9.9 KiB
JavaScript
Executable File
372 lines
9.9 KiB
JavaScript
Executable File
/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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var exec = require('cordova/exec');
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// Defaults
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exports._defaults = {
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// name: 'unknown',
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// duplex: 'none',
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// landscape: false,
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// graystyle: false,
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// border: true,
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// copies: 1,
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ui: {
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hideNumberOfCopies: false,
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hidePaperFormat: false,
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bounds: [40, 30, 0, 0]
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},
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// paper: {
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// unit: 'cm',
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// height: 0,
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// width: 0,
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// length: 0
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// },
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// layout: {
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// unit: 'cm',
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// maxHeight: 0,
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// maxWidth: 0,
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// padding: { top: 0, left: 0, right: 0, bottom: 0 }
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// },
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// header: {
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// unit: 'cm',
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// height: 1,
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// labels: [{
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// text: 'Awesome Printer Plug-in',
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// style: {
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// align: 'center',
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// italic: true,
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// color: '#FF0000'
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// }
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// },{
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// showPageIndex: true,
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// style: {
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// align: 'right',
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// bold: true
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// }
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// }]
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// },
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// footer: {
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// unit: 'mm',
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// height: 3,
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// label: {
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// text: 'Copyright (c) 2013-2019 Sebastián Katzer',
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// style: { size: 9 },
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// position: {
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// unit: 'mm',
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// top: 1.5,
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// right: 5
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// }
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// }
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// }
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};
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/**
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* Test if the printer service is able to print
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* the ressource specified by URL.
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*
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* @param [ String ] uri A file URI.
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* @param [ Function ] callback The callback function.
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* @param [ Object ] scope The scope for the function.
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*
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* @return [ Void ]
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*/
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exports.canPrint = function (uri, callback, scope) {
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if (typeof uri == 'function') {
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scope = callback;
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callback = uri;
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uri = null;
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}
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var fn = this._createCallbackFn(callback, scope);
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exec(fn, null, 'Printer', 'check', [uri]);
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};
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/**
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* Returns a list of all printable document types.
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*
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* @param [ Function ] callback The callback function.
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* @param [ Object ] scope The scope for the function.
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*
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* @return [ Void ]
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*/
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exports.getPrintableUTIs = function (callback, scope) {
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var fn = this._createCallbackFn(callback, scope);
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exec(fn, null, 'Printer', 'utis', []);
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};
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/**
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* Displays system interface for selecting a printer.
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*
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* @param [ Object ] options Optional options.
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* @param [ Function ] callback The callback function.
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* @param [ Object ] scope The scope for the function.
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*
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* @return [ Void ]
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*/
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exports.pick = function (options, callback, scope) {
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if (typeof options == 'function') {
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scope = callback;
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callback = options;
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options = {};
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}
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var fn = this._createCallbackFn(callback, scope),
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params = this._mergeWithDefaults(options || {});
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exec(fn, null, 'Printer', 'pick', [params]);
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};
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/**
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* Sends the content to the printer.
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*
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* @param [ String ] content The plain/html text or a file URI.
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* @param [ Object ] options Options for the print job.
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* @param [ Function ] callback The callback function.
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* @param [ Object ] scope The scope for the function.
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*/
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exports.print = function (content, options, callback, scope) {
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if (typeof content == 'function') {
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scope = options;
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callback = content;
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options = {};
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content = null;
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}
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if (typeof options == 'function') {
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scope = callback;
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callback = options;
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options = typeof content != 'string' ? content : {};
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content = typeof content == 'string' ? content : null;
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}
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var fn = this._createCallbackFn(callback, scope),
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params = this._mergeWithDefaults(options || {});
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exec(fn, null, 'Printer', 'print', [content, params]);
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};
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/**
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* The (platform specific) default settings.
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*
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* @return [ Object ]
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*/
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exports.getDefaults = function () {
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var map = Object.assign({}, this._defaults);
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for (var key in map) {
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if (Array.isArray(map[key])) {
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map[key] = Array.from(map[key]);
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} else
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if (Object.prototype.isPrototypeOf(map[key])) {
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map[key] = Object.assign({}, map[key]);
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}
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}
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return map;
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};
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/**
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* Overwrite default settings.
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*
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* @param [ Object ] newDefaults New default values.
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*
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* @return [ Void ]
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*/
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exports.setDefaults = function (newDefaults) {
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Object.assign(this._defaults, newDefaults);
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};
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/**
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* Merge custom properties with the default values.
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*
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* @param [ Object ] options Set of custom values.
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*
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* @retrun [ Object ]
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*/
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exports._mergeWithDefaults = function (options) {
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var defaults = this.getDefaults();
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if (options.bounds && !Array.isArray(options.bounds)) {
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options.bounds = [
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options.bounds.left || defaults.bounds[0],
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options.bounds.top || defaults.bounds[1],
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options.bounds.width || defaults.bounds[2],
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options.bounds.height || defaults.bounds[3],
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];
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}
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if (options.duplex && typeof options.duplex == 'boolean') {
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options.duplex = options.duplex ? 'long' : 'none';
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}
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Object.assign(defaults, options);
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for (var key in defaults) {
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if (defaults[key] !== null) {
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options[key] = defaults[key];
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} else {
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delete options[key];
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}
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}
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options.meta = {
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plugin: 'cordova-plugin-printer',
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version: '0.8.0-alpha'
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};
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return options;
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};
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/**
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* @private
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*
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* Creates a callback, which will be executed
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* within a specific scope.
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*
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* @param [ Function ] callback The callback function.
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* @param [ Object ] scope The scope for the function.
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*
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* @return [ Function ] The new callback function
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*/
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exports._createCallbackFn = function (callback, scope) {
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if (typeof callback !== 'function')
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return;
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return function () {
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callback.apply(scope || this, arguments);
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};
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};
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// Polyfill for Object.assign
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if (typeof Object.assign != 'function') {
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Object.assign = function(target) {
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'use strict';
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if (target == null) {
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throw new TypeError('Cannot convert undefined or null to object');
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}
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target = Object(target);
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for (var index = 1; index < arguments.length; index++) {
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var source = arguments[index];
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if (source != null) {
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for (var key in source) {
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if (Object.prototype.hasOwnProperty.call(source, key)) {
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target[key] = source[key];
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}
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}
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}
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}
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return target;
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};
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}
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// Polyfill for Array.from
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// Production steps of ECMA-262, Edition 6, 22.1.2.1
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// Reference: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.from
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if (!Array.from) {
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Array.from = (function () {
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var toStr = Object.prototype.toString;
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var isCallable = function (fn) {
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return typeof fn === 'function' || toStr.call(fn) === '[object Function]';
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};
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var toInteger = function (value) {
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var number = Number(value);
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if (isNaN(number)) { return 0; }
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if (number === 0 || !isFinite(number)) { return number; }
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return (number > 0 ? 1 : -1) * Math.floor(Math.abs(number));
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};
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var maxSafeInteger = Math.pow(2, 53) - 1;
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var toLength = function (value) {
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var len = toInteger(value);
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return Math.min(Math.max(len, 0), maxSafeInteger);
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};
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// The length property of the from method is 1.
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return function from(arrayLike/*, mapFn, thisArg */) {
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// 1. Let C be the this value.
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var C = this;
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// 2. Let items be ToObject(arrayLike).
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var items = Object(arrayLike);
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// 3. ReturnIfAbrupt(items).
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if (arrayLike == null) {
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throw new TypeError("Array.from requires an array-like object - not null or undefined");
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}
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// 4. If mapfn is undefined, then let mapping be false.
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var mapFn = arguments.length > 1 ? arguments[1] : void undefined;
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var T;
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if (typeof mapFn !== 'undefined') {
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// 5. else
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// 5. a If IsCallable(mapfn) is false, throw a TypeError exception.
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if (!isCallable(mapFn)) {
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throw new TypeError('Array.from: when provided, the second argument must be a function');
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}
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// 5. b. If thisArg was supplied, let T be thisArg; else let T be undefined.
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if (arguments.length > 2) {
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T = arguments[2];
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}
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}
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// 10. Let lenValue be Get(items, "length").
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// 11. Let len be ToLength(lenValue).
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var len = toLength(items.length);
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// 13. If IsConstructor(C) is true, then
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// 13. a. Let A be the result of calling the [[Construct]] internal method of C with an argument list containing the single item len.
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// 14. a. Else, Let A be ArrayCreate(len).
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var A = isCallable(C) ? Object(new C(len)) : new Array(len);
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// 16. Let k be 0.
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var k = 0;
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// 17. Repeat, while k < len… (also steps a - h)
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var kValue;
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while (k < len) {
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kValue = items[k];
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if (mapFn) {
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A[k] = typeof T === 'undefined' ? mapFn(kValue, k) : mapFn.call(T, kValue, k);
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} else {
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A[k] = kValue;
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}
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k += 1;
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}
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// 18. Let putStatus be Put(A, "length", len, true).
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A.length = len;
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// 20. Return A.
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return A;
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};
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}());
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}
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