src/fed2019/Schedule2.ts

   1 import { Form } from '../core';
   2 import { TaxReturn } from '../core';
   3 import { ComputedLine } from '../core/Line';
   4 import { UnsupportedFeatureError } from '../core/Errors';
   5
   6 import Form1040, { FilingStatus } from './Form1040';
   7 import Form1099DIV from './Form1099DIV';
   8 import Form1099INT from './Form1099INT';
   9 import Form8959 from './Form8959';
  10 import Form8960 from './Form8960';
  11
  12 export default class Schedule2 extends Form<Schedule2['_lines']> {
  13   readonly name = 'Schedule 2';
  14
  15   protected readonly _lines = {
  16     '1': new ComputedLine((tr): number => {
  17       // TODO - this is just using Taxable Income, rather than AMT-limited
  18       // income
  19       const f1040 = tr.getForm(Form1040);
  20       const taxableIncome = f1040.getValue(tr, '11b');
  21       switch (f1040.getInput('filingStatus')) {
  22         case FilingStatus.Single:
  23           if (taxableIncome < 510300)
  24             return 0;
  25         case FilingStatus.MarriedFilingJoint:
  26           if (taxableIncome < 1020600)
  27             return 0;
  28         case FilingStatus.MarriedFilingSeparate:
  29           if (taxableIncome < 510300)
  30             return 0;
  31       }
  32       throw new UnsupportedFeatureError('The AMT is not supported');
  33     }, 'AMT'),
  34     '2': new ComputedLine(() => 0, 'Excess advance premium tax credit repayment'),  // Not supported.
  35     '3': new ComputedLine((tr): number => {
  36       // Should include line 2.
  37       return this.getValue(tr, '1');
  38     }),
  39
  40     // 4 is not supported (Self-employment tax.)
  41     // 5 is not supported (Unreported social security and Medicare tax from)
  42     // 6 is not supported (Additional tax on IRAs, other qualified retirement plans, and other tax-favored accounts)
  43     // 7 is not supported (Household employment taxes.)
  44     '8': new ComputedLine((tr): number => {
  45       const f1040 = tr.getForm(Form1040);
  46       const wages = f1040.getLine('1').value(tr);
  47       const filingStatus = f1040.getInput('filingStatus');
  48
  49       let value = 0;
  50
  51       // Additional medicare tax.
  52       if (wages > Form8959.filingStatusLimit(filingStatus)) {
  53         value += tr.getForm(Form8959).getValue(tr, '18');
  54       }
  55
  56       // Net investment income tax.
  57       if (wages > Form8960.filingStatusLimit(filingStatus) &&
  58           (tr.findForms(Form1099DIV).length || tr.findForms(Form1099INT).length)) {
  59         value += tr.getForm(Form8960).getValue(tr, '17');
  60       }
  61
  62       return value;
  63     }),
  64     // 9 is not supported (Section 965 net tax liability installment from Form 965-A)
  65
  66     '10': new ComputedLine((tr): number => {
  67       // Should be lines 4 - 8.
  68       return this.getValue(tr, '8');
  69     })
  70   };
  71 };