_addChunks(name, src, output) {
        const tests = [
            // 1. Ensure the file is a CSS file
            this.chunkRegex(),

            // 2. Ensure that just this file is included in this chunk
            // _or any dependencies_
            src.path()
        ];

        const attrs = {
            chunks: 'all',
            enforce: true,
            type: 'css/mini-extract'
        };

        this.context.chunks.add(name, output.normalizedOutputPath(), tests, attrs);
    }
Add the necessary chunks for this preprocessor

This method is for internal use only for now.

@internal

@param {string} name
@param {File} src
@param {File} output