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import { v4 as uuidv4 } from 'uuid'; |
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|
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/** |
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* Generate universally unique identifier. |
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* |
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* @returns {string} A universally unique identifier |
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*/ |
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const uuid = () => { |
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return uuidv4(); |
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}; |
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|
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/** |
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* Map entry |
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* |
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* @param {Array} synonyms Array of synonyms. |
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* @param {string} id The id, default generated by the application. |
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* @returns {object} Map entry |
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*/ |
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const mapEntry = (synonyms = [], id = '') => { |
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return { |
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id: id.length ? id : uuidv4(), |
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synonyms, |
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valid: true, |
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}; |
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}; |
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|
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/** |
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* Reduce state to Solr spec. |
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* |
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* @param {object} state Current state. |
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* @param {object[]} state.sets Array of synonym sets. |
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* @param {object[]} state.alternatives Array of alternative sets. |
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* @returns {string} new state |
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*/ |
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const reduceStateToSolr = ({ sets, alternatives }) => { |
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const synonymsList = []; |
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|
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// Handle sets. |
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synonymsList.push('# Defined sets ( equivalent synonyms).'); |
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synonymsList.push(...sets.map(({ synonyms }) => synonyms.map(({ value }) => value).join(', '))); |
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|
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// Handle alternatives. |
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synonymsList.push('\r'); |
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synonymsList.push('# Defined alternatives (explicit mappings).'); |
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synonymsList.push( |
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...alternatives.map((alternative) => |
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alternative.synonyms.find((item) => item.primary && item.value.length) |
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? alternative.synonyms |
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.find((item) => item.primary) |
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.value.concat(' => ') |
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.concat( |
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alternative.synonyms |
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.filter((i) => !i.primary) |
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.map(({ value }) => value) |
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.join(', '), |
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) |
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: false, |
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), |
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); |
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|
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return synonymsList.filter(Boolean).join('\n'); |
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}; |
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|
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/** |
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* Reduce Solr text file to State. |
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* |
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* @param {string} solr A string in the Solr parseable synonym format. |
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* @param {object} currentState The current sate. |
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* @returns {object} State |
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*/ |
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const reduceSolrToState = (solr, currentState) => { |
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/** |
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* Format token. |
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* |
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* @param {string} value The value. |
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* @param {boolean} primary Whether it's a primary. |
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* @returns {object} Formated token |
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*/ |
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const formatToken = (value, primary = false) => { |
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return { |
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label: value, |
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value, |
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primary, |
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}; |
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}; |
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|
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return { |
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...currentState, |
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...solr.split(/\r?\n/).reduce( |
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(newState, line) => { |
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if (line.indexOf('#') === 0 || !line.trim().length) { |
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return newState; |
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} |
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|
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if (line.indexOf('=>') !== -1) { |
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const parts = line.split('=>'); |
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return { |
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...newState, |
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alternatives: [ |
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...newState.alternatives, |
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mapEntry([ |
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formatToken(parts[0].trim(), true), |
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...parts[1] |
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.split(',') |
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.filter((v) => v.trim()) |
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.map((token) => formatToken(token.trim())), |
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]), |
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], |
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}; |
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} |
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|
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return { |
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...newState, |
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sets: [ |
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...newState.sets, |
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mapEntry([ |
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...line |
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.split(',') |
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.filter((v) => v.trim()) |
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.map((token) => formatToken(token.trim())), |
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]), |
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], |
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}; |
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}, |
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{ alternatives: [], sets: [] }, |
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), |
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}; |
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}; |
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|
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export { reduceStateToSolr, reduceSolrToState, uuid, mapEntry }; |
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