json-ditto

const Ditto = require('json-ditto'); // This is valid JSON mapping file that maps to the mapping rules below const myCustomMappings = { "name" : "firstName", "default_name" : "nonExistingProperty||>>this_should_be_the_firstName", "nickname" : "nickname||>>nickname_not_found", "isNickNameFound" : "nickname||>>%false", "isDynamicDefault" : "nickname||firstName", "fullName" : "@concatName(firstName|lastName)", "fullNameDefault" : "@concatName(firstName|*!fullName)", "fullNameDefaultHardcoded": "@concatName(firstName|lastName|*>>default)", "completeName" : "@concatName(firstName|!fullName)", "displayName" : "!fullName", "email": { "value": "email" }, "links": "links", "social_links": [{ "output" : [], "innerDocument": "!links", "required": ["value"], "mappings" : { "value": "$value", "type": ">>test", "order": "$key", "social": ">>%true" } },{ "output" : [], "innerDocument": "social", "required": ["value"], "mappings" : { "value" : "value", "service": "service", "type": ">>social" } }], "website_addresses_keyless": { "output": [], "innerDocument": "linksv2.values", "prerequisite": "!!innerResult.value", "mappings": { "value": "value??type#==#>>website", "type": ">>other", } }, "website_addresses": { "output": {}, "innerDocument": "linksv2.values", "key": "id", "prerequisite": "!!innerResult.value && !!innerResult.keys && !!innerResult.keys.length", "mappings": { "value": "value??keys[0]#==#>>f5e32a6faaa7ead6ba201e8fa25733ee", "type": ">>other", "keys": "keys" } }, "social_media_addresses": { "output": [], "innerDocument": "linksv2.values", "prerequisite": "!!innerResult.value", "mappings": { "value": "value??type#==#>>social" } }, "messaging": { "output": [], "innerDocument": "linksv2.values", "prerequisite": "!!innerResult.value", "mappings": { "service": "@getLinkService(value|service)", "type" : "@getLinkType(value|@getLinkService(value,service))", "value" : "@cleanURI(value|@getLinkType(value,@getLinkService(value,service)))??@getLinkType(value|@getLinkService(value,service))#==#>>messaging" } }, "social_links_objects": { "output" : {}, "innerDocument": "!links", "key": "@generateId($value)", "mappings" : { "value": "$value" } }, "experience_primary": { "values": { "output" : {}, "innerDocument": "!", "key" : "@generateId(title|company)", "mappings" : { "id" : "@generateId(title|company)", "role" : "title", "organisationName": "company" } } }, "experience": { "output": [], "innerDocument": "work", "mappings": { "name" : "companyName", "role" : "title", "startDate": "@parseDate(startDate)", "current" : "current" } }, "primaryExperience": "!experience[0]", "primaryRole": "!experience[0].role", "experiences": { "output": [], "innerDocument": "work", "value": "companyName" }, "experience_object": { "values": { "output": {}, "innerDocument": "work", "key": "@generateId(companyName|title)", "mappings": { "id": "@generateId(companyName|title)", "name": "companyName", "role": "title", "startDate": "startDate", "current": "current" } } }, "education": { "output": [], "innerDocument": "json.education", "mappings": { "universityName": "$key", "degree": "degree", "location": "location" } }, "education_object": { "output": {}, "key": "@generateId($key|degree)", "innerDocument": "json.education", "mappings": { "degree": "degree", "location": "location", "universityName": "universityName" } }, "primaryPhoto": "@createURL(>>http://photo.com/|!fullName)" }; const sample = { "firstName" : "Ahmad", "lastName": "Assaf", "email" : "ahmad.a.assaf@gmail.com", "title": "Data Scientist", "company": "Beamery", "links": [ "http://a.com", "http://b.com", "http://c.com" ], "linksv2" : { "values" : { "54b931981f03e4416a53c3096a32b134" : { "id" : "54b931981f03e4416a53c3096a32b134", "value" : "https://twitter.com/ahmadaassaf", "service" : "twitter", "keys": ["54b931981f03e4416a53c3096a32b134", "13efd8b0-4a7e-4201-8b6f-ceff2599117a"], "type" : "social" }, "54b931981f03e4416a53c3096a32b135" : { "id" : "54b931981f03e4416a53c3096a32b134", "value" : "https://twitter.com/ahmadaassaf", "service" : "twitter", "keys": ["54b931981f03e4416a53c3096a32b135", "13efd8b0-4a7e-4201-8b6f-ceff2599117a"], "type" : "social" }, "e9a5737987d042c6da01f3e740f3f7f7" : { "id" : "e9a5737987d042c6da01f3e740f3f7f7", "value" : "https://gravatar.com/ahmadassaf", "service" : "gravatar", "keys": ["e9a5737987d042c6da01f3e740f3f7f7", "edc1e66e-6b63-417f-9cdb-ba94bc3ff011"], "type" : "website" }, "f5e32a6faaa7ead6ba201e8fa25733ee" : { "id" : "f5e32a6faaa7ead6ba201e8fa25733ee", "value" : "http://klout.com/ahmadassaf", "service" : "klout", "keys": ["f5e32a6faaa7ead6ba201e8fa25733ee"], "type" : "website" }, "e960af6e-c99f-4981-81b3-0b09d99d7354" : { "id" : "1d87333c-5c60-4c5b-bd3f-611fc38db771", "value" : "ahmad.a.assaf", "service" : "skype", "keys": ["2e3a0ccf-1b27-4435-bfc8-1f751a7be6bd"] }, "ce621e6d5d201a8212c3684b2a40c813" : { "id" : "ce621e6d5d201a8212c3684b2a40c813", "value" : "http://ahmadassaf.com", "service" : "seed", "type" : "website", "deleted" : true } }, "keys" : [ "54b931981f03e4416a53c3096a32b134", "e9a5737987d042c6da01f3e740f3f7f7", "f5e32a6faaa7ead6ba201e8fa25733ee", "ce621e6d5d201a8212c3684b2a40c813" ] }, "social": [{ "value": "http://github.com/ahmadassaf", "service": "github" },{ "value": "http://twitter.com/ahmadaassaf", "service": "twitter" },{ "service": "google", "value": null }], "work": [ { "companyName": "beamery", "title": "Data Scientist", "startDate": "2015-08-28", "current": true }, { "companyName": "SAP", "title": "Associate Researcher", "current": false } ], "json": { "education" : { "telecomParisTech" : { "degree" : "phd", "location": "france" }, "st-andrews" : { "degree": "masters", "universityName": "University of St.Andrews" } } }, "photo" : "http://a photo .com" }; // Create a new mapper that will always use the "myCustomMappings" file const myCustomMapper = new Ditto(myCustomMappings); // Call the unify function that will read the "documentToBeUnified" and transforms it via the mapping file myCustomMapper.unify(sample).then((result) => { console.log(result); });