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url: /docs/api/core/functions/assembleDayEnergyBalance.md
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[**@kaiord/core**](../README.md)

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[@kaiord/core](../README.md) / assembleDayEnergyBalance

# Function: assembleDayEnergyBalance()

> **assembleDayEnergyBalance**(`input`): `object`

Defined in: [packages/core/src/application/energy/day-balance.ts:55](https://github.com/pablo-albaladejo/kaiord/blob/3eacbe62ef72342d970523967cc5155b5935bb85/packages/core/src/application/energy/day-balance.ts#L55)

Assemble a validated `DayEnergyBalance` from a resolved expenditure plus the
day's intake, target, and optional macro breakdowns.

## Parameters

### input

[`AssembleDayEnergyBalanceInput`](../type-aliases/AssembleDayEnergyBalanceInput.md)

## Returns

`object`

### activity_kcal

> **activity_kcal**: `number`

### basal_kcal

> **basal_kcal**: `number`

### date

> **date**: `string`

### expenditure_kcal

> **expenditure_kcal**: `number`

### intake_kcal

> **intake_kcal**: `number` | `null`

### macro_actuals?

> `optional` **macro_actuals?**: `object`

#### macro_actuals.carb_g

> **carb\_g**: `number`

#### macro_actuals.fat_g

> **fat\_g**: `number`

#### macro_actuals.kcal

> **kcal**: `number`

#### macro_actuals.protein_g

> **protein\_g**: `number`

### macro_targets?

> `optional` **macro_targets?**: `object`

#### macro_targets.carb_g

> **carb\_g**: `number`

#### macro_targets.fat_g

> **fat\_g**: `number`

#### macro_targets.kcal

> **kcal**: `number`

#### macro_targets.protein_g

> **protein\_g**: `number`

### net_kcal

> **net_kcal**: `number` | `null`

### source

> **source**: `"measured"` | `"predicted"` | `"mixed"` = `expenditureSourceSchema`

### target_kcal

> **target_kcal**: `number` | `null`

## Throws

ZodError when the assembled view-model fails schema validation.