Function bufferToDigest

lib/TemplatedPathPlugin.js:152–172

(buffer, digest)

 * @returns {string} encoded hash
 */
const bufferToDigest = (buffer, digest) => {
	const base = BASE_DIGEST.exec(digest);
	if (base && Number(base[1]) !== 64) {
		return encodeBase(buffer, /** @type {Base} */ (base[1]));
	}
	if (
		(digest === "base64url" || digest === "base64safe") &&
		!isBase64UrlSupported
	) {
		return buffer
			.toString("base64")
			.replace(/\+/g, "-")
			.replace(/\//g, "_")
			.replace(/[=]+$/, "");
	}
	return buffer.toString(
		/** @type {BufferEncoding} */ (
			digest === "base64safe" ? "base64url" : digest
		)
	);
};

/**
 * Re-encodes a digested hash into another digest (e.g. `[contenthash:base64]`).