Script Util

                        const scriptUtil = require("script-util");
                        // return true
                        if(scriptUtil.isNullOrUndefined(null)) { // processing }
                    

isJson

Return true if the string is formatted with JSON.

Signature

• parameter subject: string
• returns boolean

  Sample

  const scriptUtil = require("script-util");
                              let data = '{"text" : "message"}';
                              // return true
                              if(scriptUtil.isJson(data)) { // processing }
                              

appendStdOut

Return the string for the standard output.

Signature

• parameter object: string
• returns string for standard output

  Sample

  console.log(appendStdOut("result"));
                          // [Trace log start] 
                          // result
                          // [Trace log end]
                          

isDateFormat

Return true if the format of the parameter is date.

Signature

• parameter operand: string -returns boolean

  Sample

  if(scriptUtil.isDateFormat("2019-05-31")) { // processing }
                          

formatYMDWith

Reshape string of date for designated format.
2nd paramter, symbol is delimiter of year, month and date. The delimiter is valid only for / or -.

Signature

• parameter operand: Date, symbol: string
• returns date string

  Sample

  console.log((scriptUtil.formatYMDWith(new Date(), "-"))
                          // 2019-05-31
                          

hasItems

Return true if an array has more than one element.

Signature

• paramter t: T[]
• returns boolean

  Sample

  // return true
                          if(scriptUtil.hasItems([0, 1, 2])){ // processing }
                          

hasNoNull

Return true if an array has no null elements.

Signature

• parameter t: T[]
• returns boolean

  Sample

  // return false
                          if(scriptUtil.hasNoNull([1, null, null])){ // processing }