feat: added date into options

* this way it can be set in the class if the user wants to.
* it can be overridden after the class has been created, but why would you? :)

src/builder/batch.ts

@@ -38,7 +38,7 @@ export class Batch extends RootBase {
     if (typeof opt.text !== 'undefined' && opt.parsing === true && opt.text !== '') {
       this._lines = this.split(opt.text).filter(line => line.startsWith('MSH'))
     } else {
-      this.set('BHS.7', createHL7Date(new Date()))
+      this.set('BHS.7', createHL7Date(new Date(), this._opt.date))
     }
   }
 

src/builder/fileBatch.ts

@@ -48,7 +48,7 @@ export class FileBatch extends RootBase {
     if (typeof opt.text !== 'undefined' && opt.parsing === true && opt.text !== '') {
       this._lines = this.split(opt.text).filter(line => line.startsWith('MSH'))
     } else {
-      this.set('FHS.7', createHL7Date(new Date()))
+      this.set('FHS.7', createHL7Date(new Date(), this._opt.date))
     }
   }
 

src/specification/2.1.ts

@@ -77,7 +77,7 @@ export class HL7_2_1 extends HL7_SPEC_BASE {
    */
   buildMSH (mshHeader: HL7_2_1_MSH, message: Message): void {
     if (typeof mshHeader !== 'undefined') {
-      message.set('MSH.7', createHL7Date(new Date()))
+      message.set('MSH.7', createHL7Date(new Date(), message._opt.date))
       message.set('MSH.9', mshHeader.msh_9.toString())
       // if control ID is blank, then randomize it.
       if (typeof mshHeader.msh_10 === 'undefined') {

src/specification/2.2.ts

@@ -90,7 +90,7 @@ export class HL7_2_2 extends HL7_SPEC_BASE {
    */
   buildMSH (mshHeader: HL7_2_2_MSH, message: Message): void {
     if (typeof mshHeader !== 'undefined') {
-      message.set('MSH.7', createHL7Date(new Date()))
+      message.set('MSH.7', createHL7Date(new Date(), message._opt.date))
       message.set('MSH.9.1', mshHeader.msh_9_1.toString())
       message.set('MSH.9.2', mshHeader.msh_9_2.toString())
       // if control ID is blank, then randomize it.

src/specification/2.3.1.ts

@@ -94,7 +94,7 @@ export class HL7_2_3_1 extends HL7_SPEC_BASE {
    */
   buildMSH (mshHeader: HL7_2_3_1_MSH, message: Message): void {
     if (typeof mshHeader !== 'undefined') {
-      message.set('MSH.7', createHL7Date(new Date()))
+      message.set('MSH.7', createHL7Date(new Date(), message._opt.date))
       message.set('MSH.9.1', mshHeader.msh_9_1.toString())
       message.set('MSH.9.2', mshHeader.msh_9_2.toString())
       // if control ID is blank, then randomize it.

src/specification/2.3.ts

@@ -94,7 +94,7 @@ export class HL7_2_3 extends HL7_SPEC_BASE {
    */
   buildMSH (mshHeader: HL7_2_3_MSH, message: Message): void {
     if (typeof mshHeader !== 'undefined') {
-      message.set('MSH.7', createHL7Date(new Date()))
+      message.set('MSH.7', createHL7Date(new Date(), message._opt.date))
       message.set('MSH.9.1', mshHeader.msh_9_1.toString())
       message.set('MSH.9.2', mshHeader.msh_9_2.toString())
       // if control ID is blank, then randomize it.

src/utils/normalizedBuilder.ts

@@ -4,6 +4,7 @@ import { MSH } from '../specification/specification'
 import { ParserPlan } from './parserPlan.js'
 
 const DEFAULT_CLIENT_BUILDER_OPTS = {
+  date: "14",
   newLine: '\r',
   parsing: false,
   separatorComponent: '^',
@@ -29,6 +30,11 @@ const DEFAULT_CLIENT_FILE_OPTS = {
  * @since 1.0.0
  */
 export interface ClientBuilderOptions {
+  /** The date type for the date field. Usually generated at the time of the class being initialized.
+   * @since 1.0.0
+   * @default 14
+   */
+  date?: string
   /** At the end of each line, add this as the new line character.
    * @since 1.0.0
    * @default \r */
@@ -114,6 +120,10 @@ export function normalizedClientMessageBuilderOptions (raw?: ClientBuilderMessag
     throw new Error('newLine must be \r or \n')
   }
 
+  if (props.date !== '8' && props.date !== '12' && props.date !== '14') {
+    props.date = "14"
+  }
+
   if (props.text === '') {
     props.text = `MSH${props.separatorField}${props.separatorComponent}${props.separatorRepetition}${props.separatorEscape}${props.separatorSubComponent}`
   } else if (typeof props.text !== 'undefined') {
@@ -144,6 +154,10 @@ export function normalizedClientBatchBuilderOptions (raw?: ClientBuilderOptions)
     throw new Error('newLine must be \r or \n')
   }
 
+  if (props.date !== '8' && props.date !== '12' && props.date !== '14') {
+    props.date = "14"
+  }
+
   if (props.text === '') {
     props.text = `BHS${props.separatorField}${props.separatorComponent}${props.separatorRepetition}${props.separatorEscape}${props.separatorSubComponent}`
   } else if (typeof props.text !== 'undefined') {
@@ -180,6 +194,10 @@ export function normalizedClientFileBuilderOptions (raw?: ClientBuilderFileOptio
     throw new Error('You can not have specified a file path and a buffer. Please choose one or the other.')
   }
 
+  if (props.date !== '8' && props.date !== '12' && props.date !== '14') {
+    props.date = "14"
+  }
+
   const regex = /\n/mg
   const subst = '\\r'
   if (typeof props.fullFilePath !== 'undefined' && typeof props.fileBuffer === 'undefined') {

src/utils/utils.ts

@@ -22,14 +22,15 @@ export const assertNumber = (props: Record<string, number>, name: string, min: n
  * @param date
  * @param length
  */
-export const createHL7Date = (date: Date, length: '8' | '12' | '14' = '14'): string => {
+export const createHL7Date = (date: Date, length?: string): string => {
   switch (length) {
-    case '14':
-      return `${date.getFullYear()}${padHL7Date(date.getMonth() + 1, 2)}${padHL7Date(date.getDate(), 2)}${padHL7Date(date.getHours(), 2)}${padHL7Date(date.getMinutes(), 2)}${padHL7Date(date.getSeconds(), 2)}`
-    case '12':
-      return `${date.getFullYear()}${padHL7Date(date.getMonth() + 1, 2)}${padHL7Date(date.getDate(), 2)}${padHL7Date(date.getHours(), 2)}${padHL7Date(date.getMinutes(), 2)}`
     case '8':
       return `${date.getFullYear()}${padHL7Date(date.getMonth() + 1, 2)}${padHL7Date(date.getDate(), 2)}`
+    case '12':
+      return `${date.getFullYear()}${padHL7Date(date.getMonth() + 1, 2)}${padHL7Date(date.getDate(), 2)}${padHL7Date(date.getHours(), 2)}${padHL7Date(date.getMinutes(), 2)}`
+    case '14':
+    default:
+      return `${date.getFullYear()}${padHL7Date(date.getMonth() + 1, 2)}${padHL7Date(date.getDate(), 2)}${padHL7Date(date.getHours(), 2)}${padHL7Date(date.getMinutes(), 2)}${padHL7Date(date.getSeconds(), 2)}`
   }
 }