Method _generateCssText

lib/css/CssGenerator.js:935–960

* Generate the merged CSS text for a module, optionally wrapped as a * JS string literal for embedding in JavaScript output. * @param {NormalModule} module the module * @param {GenerateContext} generateContext the generate context * @param {boolean} asJsLiteral wrap the result as a JS string

(module, generateContext, asJsLiteral)

	 * @returns {Source} the CSS text source
	 */
	_generateCssText(module, generateContext, asJsLiteral) {
		const cssSource = this._renderMergedCss(module, generateContext, new Set());
		const effectiveCharset = this._getEffectiveCharset(
			module,
			generateContext.moduleGraph
		);

		let result;
		if (effectiveCharset !== undefined) {
			const prefix = `@charset "${effectiveCharset}";\n`;
			result = cssSource
				? new ConcatSource(prefix, cssSource)
				: new RawSource(prefix);
		} else {
			result = cssSource;
		}

		if (asJsLiteral) {
			const devtool =
				generateContext.runtimeTemplate.compilation.options.devtool;
			return result
				? this._cssToJsLiteral(result, devtool, generateContext)
				: new RawSource('""');
		}
		return result || new RawSource("");
	}
}

module.exports = CssGenerator;