stickyants-sp-util/src/execute.ts

A set of utility functions and classes to simplify working with JSOM for SharePoint Online/2013/2016 development.

/**
 * Calls `executeQueryAsync` and returns a promise so it can be chained into
 * a promise sequence or used in an async function i.e. awaited  
 * @param ctx {SP.ClientContext} the client context to call `executeQueryAsync` on
 * @param value {any} the value to be returned by the generated promise (if it succeeds). 
 */
export function executeOnContext<T>(ctx:SP.ClientContext,value?:T){
    return new Promise<T>((res,rej)=>{
        ctx.executeQueryAsync(()=>{
            res(value); 
        },(c,err)=>{
            rej(err); 
        });
    });
}