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v1.2.0
Read about all methods here
Dummy object used in examples:
const assessments= {
nancy_mccarty : {
A1: {
userID: "nancy_mccarty",
userName: "Nancy McCarty",
id : "A1",
score : 0.75,
date_created : 151208443563,
date_signed : 151208448055,
date_approved: 151208471190,
answers: ['Yes','No','No','Yes','No']
},
A2: {
userID: "nancy_mccarty",
userName: "Nancy McCarty",
id : "A2",
score : 0.9,
date_created : 151208450090,
date_signed : false,
date_approved: false,
answers: ['No','No','No','Yes','Yes']
}
},
george_richardson : {
A2: {
userID: "george_richardson",
userName: "George Richardson",
id : "A2",
score : 0.35,
date_created : 1512076585058,
date_signed : false,
date_approved: false,
answers: ['No','Yes','Yes','Yes','Yes']
}
},
tom_hughe : {
A4: {
userID: "tom_hughe",
userName: "Tom Hughe",
id : "A4",
score : 0.75,
date_created : 1512076575026,
date_signed : 1512076609894,
date_approved: false,
answers: ['Yes','No','No','Yes','No']
},
M1: {
userID: "tom_hughe",
userName: "Tom Hughe",
id : "M1",
score : false,
date_created : 1512076587361,
date_signed : false,
date_approved: false,
answers: [false,false,false,false,false]
}
},
heidy_white : {
L2: {
userID: "heidy_white",
userName: "Heidy White",
id : "L2",
score : false,
date_created : 15120765766312,
date_signed : false,
date_approved: false,
answers: [false,false,false,false,false]
}
}
}
Returns the number of keys or properties contained in identity.
let listA = ['Henry','Lissa','Michael','Tom'];
let listB = {
nancy_mccarty: "Nancy McCarty",
george_richardson: "George Richardson",
heidy_white: ["Heidy White","Anita_Salgado"]
};
length(listA) //result: 4
length(listB) //result: 3
length(68)
length(null)
length('hello world')
length({})
length('') // result: 0
Performs deep search on collection for an identical match to identity. assessments
exists(assessments,{userName: "Tom Hughe"})
exists(assessments,{score : false})
exists(assessments,{id : "M1"})
//result: true
const obj = { answers: [false,false,false,false,false] };
exists(assessments,obj)
//result: true
For each identity in identities, performs a deep search on collection using exists, to shorten the list identities to those that were found. assessments
const userIDs = ['nancy_mccarty','sean_mccollin','george_richardson','giselle_lopez'];
onlyExisting(assessments, userIDs)
//result: ['nancy_mccarty','george_richardson']
For each identity in identities, performs a deep search on collection using exists, to shorten the list identities to those that were not found. assessments
const userIDs = ['nancy_mccarty','sean_mccollin','george_richardson','giselle_lopez'];
onlyExisting(assessments, userIDs)
//result: ['sean_mccollin','giselle_lopez']
Checks if identity has or false or false-like values. These include: null, undefined, '', false, and 0.
isFalsy(null)
isFalsy(undefined)
isFalsy(false)
isFalsy(0)
//result: true
isFalsy([1,'domingo',null])
isFalsy(-3)
isFalsy({})
//result: false
Checks if identity is non-falsy.
isTruthy([1,'domingo',null])
isTruthy(-3)
isTruthy([])
isTruthy({ propA: 'some text' })
//result: true
isTruthy(null)
isTruthy(undefined)
isTruthy(false)
isTruthy(0)
//result: false
Performs deep search on collection, and evaluate if isTruthy on the first identical match to identity.
var testObj = {
userID: "nancy_mccarty",
userName: "Nancy McCarty",
id : "A2",
score : 0.9,
date_created : 151208450090,
date_signed : false,
deeplynested : {
propA: 88,
propB: 0,
newDepth : { propC: 'I have some answers' }
}
foundTruthy(testObj,{date_created : false})
//result: true
foundTruthy(testObj,'propA')
//result: true
foundTruthy(testObj,'deeplynested')
//result : true
foundTruthy(testObj,'propD')
//result : false
Performs deep search on collection, and evaluate if isFalsy on the first identical match to identity.
var testObj = {
userID: "nancy_mccarty",
userName: "Nancy McCarty",
id : "A2",
score : 0.9,
date_created : 151208450090,
date_signed : false,
deeplynested : {
propA: 88,
propB: 0,
propC: 'I have some answers'
}
foundFalsy(testObj,{ date_signed : false })
//result: true
foundFalsy(testObj,['foo','bar'])
//result: undefined
foundFalsy(testObj,{score: false})
//result: false
foundFalsy(testObj,'propB')
//result: true
Performs deep search on collection to find a match to the identity, will return the entity containing of the first instance matched. assessments
const team = ['Nancy McCarty','George Richardson','Tom Hughe','heidy_white'];
onlyTruthy( assessments, team, 'date_signed' )
//result: ['Nancy McCarty','Tom Hughe']
const team2 = {
nancy_mccarty : "Nancy McCarty",
george_richardson : "George Richardson",
tom_hughe : "Tom Hughe",
heidy_white : "Heidy White"
};
onlyTruthy( assessments, team2, 'date_signed' )
//result: { nancy_mccarty : "Nancy McCarty", tom_hughe : "Tom Hughe" }
For each identity in identities, performs a deep search on collection using exists, and evaluates if isFalsy on the first identical match of property to shorten the list identities to those that were found and also truthy. assessments
const team = [
'Nancy McCarty',
'George Richardson',
'Tom Hughe',
'heidy_white',
'Scott Wickham'
];
onlyFalsy( assessments, team, 'date_signed' )
//result: ['Nancy McCarty','George Richardson','Tom Hughe','heidy_white']
const team2 = {
nancy_mccarty : "Nancy McCarty",
george_richardson : "George Richardson",
tom_hughe : "Tom Hughe",
heidy_white : "Heidy White",
scott_wickham : "Scott Wickham"
};
onlyFalsy( assessments, team2, { date_signed : 65 } )
//result: {
'nancy_mccarty':'Nancy McCarty',
'george_richardson':'George Richardson',
'tom_hughe':'Tom Hughe',
'heidy_white':'Heidy White'
}