es-guard/dist/lib/utils.d.ts

A tool to check JavaScript compatibility with target environments

/**
 * Helper to read and parse JSON file safely
 */
export declare const readJsonFile: (filePath: string) => unknown;
/**
 * Helper to read text file safely
 */
export declare const readTextFile: (filePath: string) => string;
/**
 * Helper to safely evaluate JavaScript files (for config files)
 */
export declare const evaluateJsFile: (filePath: string) => unknown;
/**
 * Type guard for package.json structure
 */
export declare const isPackageJson: (obj: unknown) => obj is {
    browserslist?: string | string[];
    main?: string;
    dist?: string;
    build?: string;
    dependencies?: Record<string, string>;
    devDependencies?: Record<string, string>;
};
/**
 * Type guard for tsconfig.json structure
 */
export declare const isTsConfig: (obj: unknown) => obj is {
    compilerOptions?: {
        target?: string;
        outDir?: string;
    };
};
/**
 * Type guard for .babelrc structure
 */
export declare const isBabelRc: (obj: unknown) => obj is {
    presets?: Array<[string, {
        targets?: {
            browsers?: string[];
        };
    }]>;
};
/**
 * Type guard for vite config structure
 */
export declare const isViteConfig: (obj: unknown) => obj is {
    build?: {
        outDir?: string;
    };
};
/**
 * Type guard for webpack config structure
 */
export declare const isWebpackConfig: (obj: unknown) => obj is {
    output?: {
        path?: string;
    };
};
/**
 * Type guard for next.js config structure
 */
export declare const isNextConfig: (obj: unknown) => obj is {
    distDir?: string;
};
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