fileComposition.mjs

// @ts-check

import { createFileComposition } from "eslint-plugin-project-structure";

export const fileCompositionConfig = createFileComposition({
  filesRules: [
    { filePattern: "**/*.(test|api|stories).(ts|tsx)" },
    {
      filePattern: "**/*.consts.ts",
      allowOnlySpecifiedSelectors: true,
      rules: [{ selector: "variable", format: "{SNAKE_CASE}" }],
    },
    {
      filePattern: "**/*.types.ts",
      allowOnlySpecifiedSelectors: true,
      rules: [
        { selector: ["interface", "type"], format: "{PascalCase}" },
        { selector: "enum", format: "{SNAKE_CASE}" },
      ],
    },
    {
      filePattern: "**/*.tsx",
      allowOnlySpecifiedSelectors: {
        error: {
          variable: "Move all variables to .consts file.",
          enum: "Move all enums to .types file.",
        },
      },
      rootSelectorsLimits: [{ selector: ["interface", "type"], limit: 2 }],
      rules: [
        {
          selector: ["interface", "type"],
          scope: "fileExport",
          positionIndex: 0,
          format: "{FileName}Props",
        },
        {
          selector: ["interface", "type"],
          scope: "fileRoot",
          positionIndex: 0,
          format: "Props",
        },
        {
          selector: ["interface", "type"],
          scope: "fileExport",
          positionIndex: 1,
          format: "{FileName}Return",
        },
        {
          selector: ["interface", "type"],
          scope: "fileRoot",
          positionIndex: 1,
          format: "Return",
        },
        {
          selector: "arrowFunction",
          scope: "fileExport",
          positionIndex: 2,
          format: "{FileName}",
        },
        {
          selector: ["arrowFunction", "variable"],
          scope: "nestedSelectors",
          format: "{camelCase}",
        },
      ],
    },
    {
      filePattern: "**/*.ts",
      allowOnlySpecifiedSelectors: {
        error: {
          variable: "Move all variables to .consts file.",
          enum: "Move all enums to .types file.",
        },
      },
      rootSelectorsLimits: [{ selector: ["interface", "type"], limit: 2 }],
      rules: [
        {
          selector: ["interface", "type"],
          scope: "fileExport",
          positionIndex: 0,
          format: "{FileName}Props",
        },
        {
          selector: ["interface", "type"],
          scope: "fileRoot",
          positionIndex: 0,
          format: "Props",
        },
        {
          selector: ["interface", "type"],
          scope: "fileExport",
          positionIndex: 1,
          format: "{FileName}Return",
        },
        {
          selector: ["interface", "type"],
          scope: "fileRoot",
          positionIndex: 1,
          format: "Return",
        },
        {
          selector: "arrowFunction",
          scope: "fileExport",
          positionIndex: 2,
          format: "{fileName}",
        },
        {
          selector: ["arrowFunction", "variable"],
          scope: "nestedSelectors",
          format: "{camelCase}",
        },
      ],
    },
  ],
});