Method _cssToJsLiteral

lib/css/CssGenerator.js:891–925

* Convert a CSS Source into a JS string literal, splicing `__webpack_require__.h()` for `[fullhash]` placeholders. * @param {Source} cssSource the CSS source * @param {import("../../declarations/WebpackOptions").DevTool | undefined} devtool the devtool option * @param {GenerateContext} generat

(cssSource, devtool, generateContext)

	 * @returns {Source} a Source representing a JS string literal
	 */
	_cssToJsLiteral(cssSource, devtool, generateContext) {
		const { source, map } = cssSource.sourceAndMap();
		let content = /** @type {string} */ (source);
		if (map) {
			const inlineMap =
				typeof devtool === "string" && devtool.includes("nosources")
					? { ...map, sourcesContent: undefined }
					: map;
			const base64Map = Buffer.from(JSON.stringify(inlineMap), "utf8").toString(
				"base64"
			);
			const trailingNewline = content.endsWith("\n") ? "" : "\n";
			content += `${trailingNewline}/*# sourceMappingURL=data:application/json;charset=utf-8;base64,${base64Map}*/`;
		}

		if (!content.includes(PUBLIC_PATH_FULL_HASH)) {
			return new RawSource(JSON.stringify(content));
		}

		const result = new ConcatSource();
		let last = 0;
		walkFullHashPlaceholders(content, (start, end, length) => {
			result.add(JSON.stringify(content.slice(last, start)));
			result.add(
				length === 0
					? ` + ${RuntimeGlobals.getFullHash}() + `
					: ` + ${RuntimeGlobals.getFullHash}().slice(0, ${length}) + `
			);
			last = end;
		});

		result.add(JSON.stringify(content.slice(last)));
		generateContext.runtimeRequirements.add(RuntimeGlobals.getFullHash);
		return result;
	}

	/**
	 * Generate the merged CSS text for a module, optionally wrapped as a