# core/validators/source.validator.ts

> 20 lines of code and 4 definitions.

Tree: Project Scripts
Language: typescript
Layer: processing
Canonical: https://banes-lab.com/anatomy/scripts#file-scripts-core-validators-source-validator-ts
Source text: https://banes-lab.com/source/scripts/core/validators/source.validator.ts.txt

Listed in [core/validators](https://banes-lab.com/api/source/scripts/core/validators.md), after [core/validators/server.validator.ts](https://banes-lab.com/source/scripts/core/validators/server.validator.ts.md) and before [core/validators/style.validator.ts](https://banes-lab.com/source/scripts/core/validators/style.validator.ts.md).

## Definitions

- `lengthVerdict` (lexical_declaration, line 11, exported)
- `COUNT_WIDTH` (lexical_declaration, line 5)
- `nonBlankLines` (lexical_declaration, line 7, exported)
- `rows` (lexical_declaration, line 19, exported)

## Contained in

- [core/validators](https://banes-lab.com/anatomy/scripts/folder-scripts-core-validators.md)

## Uses

- [configuration/strings/source.strings.ts](https://banes-lab.com/source/scripts/configuration/strings/source.strings.ts.md)

## Linked from

- [configuration/strings](https://banes-lab.com/anatomy/scripts/folder-scripts-configuration-strings.md)

## Source

```typescript
import { lengthBroken, lengthHeld } from "#configuration/strings/source.strings";
import type { CheckVerdict } from "#types/validation.types";
import type { LengthFinding } from "#types/source.types";

const COUNT_WIDTH = 4;

export const nonBlankLines = function nonBlankLines(text: string): number {
    return text.split("\n").filter((line) => line.trim().length > 0).length;
};

export const lengthVerdict = function lengthVerdict(
    findings: readonly LengthFinding[],
    cap: number,
    scanned: number,
): CheckVerdict {
    if (findings.length === 0) {
        return { held: true, text: lengthHeld(cap, scanned) };
    }
    const rows = findings
        .toSorted((left, right) => right.count - left.count)
        .map((finding) => `  ${String(finding.count).padStart(COUNT_WIDTH)}  ${finding.file}`);
    return { held: false, text: lengthBroken(cap, rows) };
};
```