Helper for Mermaid Diagrams

classDiagram.js

// classDiagram

// [classA][Arrow][ClassB]:LabelText

// classA <|-- classB
// classC *-- classD
// classE o-- classF
// classG <-- classH
// classI -- classJ
// classK <.. classL
// classM <|.. classN
// classO .. classP

// Type	Description
const relationshipTypes = Object.assign({}, 
  ...Object.entries({
    '<|--': 'Inheritance',
    '*--': 'Composition',
    'o--': 'Aggregation',
    '-->': 'Association',
    '--': 'Link Solid',
    '..>': 'Dependency',
    '..|>': 'Realization',
    '..': 'Link Dashed'
  })
  .map(([ type, desc ]) => ({
    [ desc.toLowerCase().replace(' ', '-') ] : type
  }))
)

console.log(relationshipTypes)

const defineRelationship = (classNameA, classNameB, relationshipLabel = 'requires', relationship = 'dependency') => {
  return `${classNameA} ${relationshipTypes[relationship]} ${classNameB}: ${relationshipLabel}`
}

console.log(defineRelationship('Entity Service','Search Service'))