fix HyperFormula custom functions and add FIXED formula (#6645)

* fix custom HyperFormula functions

* add FIXED formula

* note

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

packages/desktop-client/src/components/formula/codeMirror-excelLanguage.tsx

@@ -148,6 +148,7 @@ const LOGICAL_FUNCTIONS = new Set([
 
 const TEXT_FUNCTIONS = new Set([
   'TEXT',
+  'FIXED',
   'CONCATENATE',
   'LEFT',
   'RIGHT',

packages/desktop-client/src/components/formula/queryModeFunctions.ts

@@ -511,6 +511,14 @@ export const queryModeFunctions: Record<string, FunctionDef> = {
       { name: 'format', description: 'Format' },
     ],
   },
+  FIXED: {
+    name: 'FIXED',
+    description: t('Formats a number to a fixed amount of decimal places.'),
+    parameters: [
+      { name: 'number', description: 'Number' },
+      { name: 'decimals', description: 'Decimals' },
+    ],
+  },
   REPT: {
     name: 'REPT',
     description: t('Repeats text specified number of times.'),

packages/desktop-client/src/components/formula/transactionModeFunctions.ts

@@ -122,6 +122,14 @@ export const transactionModeFunctions: Record<string, FunctionDef> = {
       { name: 'format', description: 'Format' },
     ],
   },
+  FIXED: {
+    name: 'FIXED',
+    description: t('Formats a number to a fixed amount of decimal places.'),
+    parameters: [
+      { name: 'number', description: 'Number' },
+      { name: 'decimals', description: 'Decimals' },
+    ],
+  },
   REPT: {
     name: 'REPT',
     description: t('Repeats text specified number of times.'),

packages/desktop-client/src/hooks/useFormulaExecution.ts

@@ -1,5 +1,7 @@
 import { useEffect, useState } from 'react';
 
+import { HyperFormula } from 'hyperformula';
+
 import { send } from 'loot-core/platform/client/fetch';
 import * as monthUtils from 'loot-core/shared/months';
 import { q, type Query } from 'loot-core/shared/query';
@@ -40,7 +42,6 @@ export function useFormulaExecution(
     let cancelled = false;
 
     async function executeFormula() {
-      const { HyperFormula } = await import('hyperformula');
       let hfInstance: ReturnType<typeof HyperFormula.buildEmpty> | null = null;
 
       if (!formula || !formula.startsWith('=')) {
@@ -118,6 +119,7 @@ export function useFormulaExecution(
         hfInstance = HyperFormula.buildEmpty({
           licenseKey: 'gpl-v3',
           localeLang: typeof locale === 'string' ? locale : 'en-US',
+          language: 'enUS',
         });
 
         // Add a sheet and set the formula in cell A1