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<!doctype html> <html lang="en"> <head> <title>Code coverage report for lib/slot/slot-manager.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="..\..\prettify.css" /> <link rel="stylesheet" href="..\..\base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(..\..\sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="..\..\index.html">All files</a> / <a href="index.html">lib/slot</a> slot-manager.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Statements</span> <span class='fraction'>74/74</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Branches</span> <span class='fraction'>49/49</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span 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class="cline-any cline-yes">31x</span> <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/* * Copyright (c) AXA Shared Services Spain S.A. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ &nbsp; /** * Class for a Slot Manager that takes care of the slot information. */ class SlotManager { /** * Constructor of the class. */ constructor() { this.intents = {}; } &nbsp; /** * Returns an slot given the intent and entity. * @param {String} intent Name of the intent. * @param {String} entity Name of the entity. * @returns {Object} Slot or undefined if not found. */ getSlot(intent, entity) { if (!this.intents[intent]) { return undefined; } return this.intents[intent][entity]; } &nbsp; /** * Indicates if a given slot exists, given the intent and entity. * @param {String} intent Name of the intent. * @param {String} entity Name of the entity. * @returns {boolean} True if the slot exists, false otherwise. */ existsSlot(intent, entity) { return this.getSlot(intent, entity) !== undefined; } &nbsp; /** * Adds a new slot for a given intent and entity. * @param {String} intent Name of the intent. * @param {String} entity Name of the entity. * @param {boolean} mandatory Flag indicating if is mandatory or optional. * @param {Object} questions Question to ask when is mandatory, by locale. * @returns {Object} New slot instance. */ addSlot(intent, entity, mandatory = false, questions) { if (!this.intents[intent]) { this.intents[intent] = {}; } this.intents[intent][entity] = { intent, entity, mandatory, locales: questions || {}, }; return this.intents[intent][entity]; } &nbsp; /** * Remove an slot given the intent and the entity. * @param {String} intent Name of the intent. * @param {String} entity Name of the entity. */ removeSlot(intent, entity) { if (this.intents[intent]) { delete this.intents[intent][entity]; } } &nbsp; /** * Add several entities if they don't exists. * @param {String} intent Name of the intent. * @param {String[]} entities List of entities. * @returns {Object[]} Array of resulting entities. */ addBatch(intent, entities) { const result = []; if (entities &amp;&amp; entities.length &gt; 0) { entities.forEach(entity =&gt; { let slot = this.getSlot(intent, entity); if (!slot) { slot = this.addSlot(intent, entity); } result.push(slot); }); } return result; } &nbsp; /** * Given an intent, return the array of entity names of this intent. * @param {String} intent Name of the intent. * @returns {String[]} Array of entity names of the intent. */ getIntentEntityNames(intent) { if (!this.intents[intent]) { return undefined; } return Object.keys(this.intents[intent]); } &nbsp; /** * Clear the slot manager. */ clear() { this.intents = {}; } &nbsp; /** * Loads the slot manager content. * @param {Object} src Source content. */ load(src) { this.intents = src || {}; } &nbsp; /** * Returns the slot manager content. * @returns {Object} Slot manager content. */ save() { return this.intents; } &nbsp; /** * Given an intent return the mandatory slots. * @param {String} intent Name of the intent * @returns {Object} Object with the mandatory slots. */ getMandatorySlots(intent) { const result = {}; const intentSlots = this.intents[intent]; if (intentSlots) { const keys = Object.keys(intentSlots); for (let i = 0, l = keys.length; i &lt; l; i += 1) { const slot = intentSlots[keys[i]]; if (slot.mandatory) { result[slot.entity] = slot; } } } return result; } &nbsp; cleanContextEntities(intent, srcContext) { const context = srcContext; if (context.slotFill) { return; } const mandatorySlots = this.getMandatorySlots(intent); const keys = Object.keys(mandatorySlots); if (keys.length === 0) { return; } keys.forEach(key =&gt; { delete context[key]; }); } &nbsp; process(srcResult, srcContext) { const result = srcResult; const context = srcContext; this.cleanContextEntities(result.intent, context); if (context.slotFill) { result.intent = context.slotFill.intent; result.answer = context.slotFill.answer; result.srcAnswer = context.slotFill.srcAnswer; } if (!result.intent || result.intent === 'None') { return false; } if (context.slotFill &amp;&amp; context.slotFill.intent === result.intent) { result.entities = [...context.slotFill.entities, ...result.entities]; } const mandatorySlots = this.getMandatorySlots(result.intent); let keys = Object.keys(mandatorySlots); if (keys.length === 0) { return false; } if (context.slotFill) { result.entities.push({ entity: context.slotFill.currentSlot, utteranceText: result.utterance, sourceText: result.utterance, accuracy: 0.95, start: 0, end: result.utterance.length - 1, len: result.utterance.length, }); } for (let i = 0, l = result.entities.length; i &lt; l; i += 1) { delete mandatorySlots[result.entities[i].entity]; } keys = Object.keys(mandatorySlots); if (!keys || keys.length === 0) { return true; } if (context.slotFill &amp;&amp; context.slotFill.intent === result.intent) { result.localeIso2 = context.slotFill.localeIso2; } result.slotFill = { localeIso2: result.localeIso2, intent: result.intent, entities: result.entities, answer: result.answer, srcAnswer: result.srcAnswer, }; const currentSlot = mandatorySlots[keys[0]]; result.slotFill.currentSlot = currentSlot.entity; result.srcAnswer = currentSlot.locales[result.localeIso2]; context.slotFill = result.slotFill; return true; } } &nbsp; module.exports = SlotManager; &nbsp;</pre></td></tr> </table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Fri Jan 25 2019 22:43:23 GMT+0100 (GMT+01:00) </div> </div> <script src="..\..\prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="..\..\sorter.js"></script> </body> </html>