# core/parsers/tool.clippy.parser.ts

> 38 lines of code and 11 definitions.

Tree: GovLab Quality
Language: typescript
Layer: processing
Canonical: https://banes-lab.com/anatomy/quality#file-quality-core-parsers-tool-clippy-parser-ts
Source text: https://banes-lab.com/source/quality/core/parsers/tool.clippy.parser.ts.txt

Listed in [core/parsers](https://banes-lab.com/api/source/quality/core/parsers.md), after [core/parsers/tool.clang-tidy.parser.ts](https://banes-lab.com/source/quality/core/parsers/tool.clang-tidy.parser.ts.md) and before [core/parsers/tool.clj-kondo.parser.ts](https://banes-lab.com/source/quality/core/parsers/tool.clj-kondo.parser.ts.md).

## Definitions

- `lineFinding` (lexical_declaration, line 19)
- `isFixable` (lexical_declaration, line 12)
- `parseClippyOutput` (lexical_declaration, line 40, exported)
- `TOOL` (lexical_declaration, line 8)
- `MACHINE_APPLICABLE` (lexical_declaration, line 9)
- `COMPILER_MESSAGE` (lexical_declaration, line 10)
- `entry` (lexical_declaration, line 20)
- `body` (lexical_declaration, line 21)
- `code` (lexical_declaration, line 22)
- `spans` (lexical_declaration, line 26)
- `primary` (lexical_declaration, line 27)

## Contained in

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

## Uses

- [core/factories/finding.factory.ts](https://banes-lab.com/source/quality/core/factories/finding.factory.ts.md)
- [core/parsers/location.parser.ts](https://banes-lab.com/source/quality/core/parsers/location.parser.ts.md)
- [core/selectors/record.selector.ts](https://banes-lab.com/source/quality/core/selectors/record.selector.ts.md)

## Used by

- [core/adapters/tool.clippy.adapter.ts](https://banes-lab.com/source/quality/core/adapters/tool.clippy.adapter.ts.md)

## Linked from

- [core/adapters](https://banes-lab.com/anatomy/quality/folder-quality-core-adapters.md)
- [core/factories](https://banes-lab.com/anatomy/quality/folder-quality-core-factories.md)
- [core/parsers](https://banes-lab.com/anatomy/quality/folder-quality-core-parsers.md)
- [core/selectors](https://banes-lab.com/anatomy/quality/folder-quality-core-selectors.md)

## Source

```typescript
import { boolField, firstRecord, numberField, recordAt, recordsAt, stringField } from "#core/selectors/record.selector";
import type { Finding } from "#types/finding.types";
import { POSITION } from "#configuration/constants/tool.constants";
import { jsonRecord } from "#core/parsers/record.parser";
import { parseLines } from "#core/parsers/location.parser";
import { toolFinding } from "#core/factories/finding.factory";

const TOOL = "clippy";
const MACHINE_APPLICABLE = "MachineApplicable";
const COMPILER_MESSAGE = "compiler-message";

const isFixable = function isFixable(body: Record<string, unknown>): boolean {
    return (
        recordsAt(body, "spans").some((span) => stringField(span, "suggestion_applicability") === MACHINE_APPLICABLE) ||
        recordsAt(body, "children").some((child) => isFixable(child))
    );
};

const lineFinding = function lineFinding(line: string, ecosystem: string): Finding | null {
    const entry = jsonRecord(line);
    const body = recordAt(entry, "message");
    const code = stringField(recordAt(body, "code"), "code");
    if (stringField(entry, "reason") !== COMPILER_MESSAGE || code.length === 0) {
        return null;
    }
    const spans = recordsAt(body, "spans");
    const primary = spans.find((span) => boolField(span, "is_primary")) ?? firstRecord(spans);
    return toolFinding({
        column: numberField(primary, "column_start", POSITION),
        ecosystem,
        file: stringField(primary, "file_name"),
        fixable: isFixable(body),
        line: numberField(primary, "line_start", POSITION),
        message: stringField(body, "message"),
        ruleId: code,
        tool: TOOL,
    });
};

export const parseClippyOutput = function parseClippyOutput(stdout: string, ecosystem: string): Finding[] {
    return parseLines(stdout, (line) => lineFinding(line, ecosystem));
};
```