@nx/rollup/src/plugins/postcss/loaders/types.d.ts

The Nx Plugin for Rollup contains executors and generators that support building applications using Rollup.

import type { RawSourceMap } from 'source-map-js';
import type { PostCSSModulesOptions } from '../options';
import type { AcceptedPlugin } from 'postcss';
/**
 * Context passed to each loader during processing
 */
export interface LoaderContext {
    /** Absolute path to the file being processed */
    id: string;
    /** Whether source maps are enabled */
    sourceMap: boolean | 'inline';
    /** Set of file dependencies (for watch mode) */
    dependencies: Set<string>;
    /** Function to emit warnings */
    warn: (message: string) => void;
}
/**
 * Result returned from a loader
 */
export interface LoaderResult {
    /** Processed CSS/code */
    code: string;
    /** Source map (if generated) */
    map?: RawSourceMap;
    /** Extracted CSS content (for extraction mode) */
    extracted?: {
        /** CSS content */
        code: string;
        /** CSS source map */
        map?: RawSourceMap;
    };
    /** CSS module exports (class name mappings) */
    exports?: Record<string, string>;
}
/**
 * Interface for CSS loaders (preprocessors and PostCSS)
 */
export interface Loader {
    /** Unique name for this loader */
    name: string;
    /** Test to determine if this loader should process a file */
    test: RegExp | ((filepath: string) => boolean);
    /** Whether this loader should always process files (like postcss-loader) */
    alwaysProcess?: boolean;
    /** Process the file and return the result */
    process(code: string, context: LoaderContext, options?: Record<string, unknown>): Promise<LoaderResult>;
}
/**
 * Options for the PostCSS loader
 */
export interface PostCSSLoaderOptions {
    /** PostCSS plugins to apply */
    plugins: AcceptedPlugin[];
    /** CSS modules options */
    modules: boolean | PostCSSModulesOptions;
    /** Auto-detect CSS modules from .module.xxx files */
    autoModules: boolean;
    /** Extract CSS to separate file instead of injecting */
    extract: boolean | string;
    /** Inject CSS into DOM */
    inject: boolean | Record<string, unknown> | ((cssVar: string, id: string) => string);
}
/**
 * Options for the Less loader
 */
export interface LessLoaderOptions {
    /** Enable inline JavaScript in Less files */
    javascriptEnabled?: boolean;
    /** Additional Less options */
    [key: string]: unknown;
}
/**
 * Options for the Sass loader
 */
export interface SassLoaderOptions {
    /** Sass implementation to use */
    implementation?: string;
    /** Additional Sass options */
    [key: string]: unknown;
}
/**
 * Options for the Stylus loader
 */
export interface StylusLoaderOptions {
    /** Additional Stylus options */
    [key: string]: unknown;
}
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