Core Operations

SharePoint Online Core Operations

In this I will explain the methods and their use in the SPCore Class. To install the package do

> npm i spfxhelper

And then import the following in the code file

import { SPCore } from 'spfxhelper';

In this class all methods are static and wraps most of the Microsoft OOB methods.

isEmptyString()

• This method checks if the current string is a non-empty string, which includes undefined, null , "" etc..

 SPCore.isEmptyString("YOUR STRING");

Parametrs

• value: string value that needs to be checked

Return type: boolean

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isNull()

• This method checks if current object is null or undefined

 SPCore.isNull(obj);

Parametrs

• value: object value that needs to be checked

Return type: boolean

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getFieldInternalName()

• This method returns the internal name by replacing the empty space with "x0020"

Note: It does not query SharePoint to get the internal name of the field, instead just replaces

 SPCore.getFieldInternalName("Field display name");

Parametrs

• value: display name of the field

Return type: string

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getParameterValue()

• This method returns the parameter value from the url

 SPCore.getParameterValue(url, parameterName);

Parametrs

• url: url from which parameter needs to be extracted
• parameterName : Parameter name whose value needs to be extracted

Return type: string

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calculateAge()

• This method calculates and returns the age based on the date parameter in ISO format

let ageOfChild:number =  SPCore.calculateAge("DateAsISOString");

Parametrs

• dateString: date as ISO string

Return type: number

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getLocalStorage()

• This method returns the local storage object if exists

let loaclStorage:Storage =  SPCore.getLocalStorage();

Parametrs

• No parameters required

Return type: number

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