Change computeSignatureData() method to public to support API Explorer.

src/main/net/authV2.ts

@@ -723,16 +723,18 @@ class AuthorizationV2Builder {
 	/**
 	 * Compute the data to be signed by the signing key.
 	 *
+	 * The signature data takes this form:
+	 *
+	 * ```
+	 * SNWS2-HMAC-SHA256
+     * 20170301T120000Z
+     * Hex(SHA256(canonicalRequestData))
+	 * ```
+	 *
 	 * @param canonicalRequestData - the request data, returned from {@link Net.AuthorizationV2Builder#buildCanonicalRequestData}
 	 * @returns the data to sign
 	 */
-	#computeSignatureData(canonicalRequestData: string): string {
-		/*- signature data is like:
-
-            SNWS2-HMAC-SHA256\n
-            20170301T120000Z\n
-            Hex(SHA256(canonicalRequestData))
-        */
+	computeSignatureData(canonicalRequestData: string): string {
 		return (
 			"SNWS2-HMAC-SHA256\n" +
 			iso8601Date(this.#requestDate, true) +
@@ -755,7 +757,7 @@ class AuthorizationV2Builder {
 		const sortedHeaderNames = this.canonicalHeaderNames();
 		const canonicalReq =
 			this.#computeCanonicalRequestData(sortedHeaderNames);
-		const signatureData = this.#computeSignatureData(canonicalReq);
+		const signatureData = this.computeSignatureData(canonicalReq);
 		const signature = Hex.stringify(HmacSHA256(signatureData, signingKey));
 		const result =
 			"SNWS2 Credential=" +

src/test/net/authV2Tests.ts

@@ -2,6 +2,7 @@ import test from "ava";
 
 import Base64 from "crypto-js/enc-base64.js";
 import Hex from "crypto-js/enc-hex.js";
+import SHA256 from "crypto-js/sha256.js";
 import Environment from "../../main/net/environment.js";
 import {
 	HttpMethod,
@@ -828,6 +829,12 @@ test("simplePostWithComputedDigest", (t) => {
 			reqBodySha256Hex
 	);
 
+	const sigData = builder.computeSignatureData(canonicalRequestData);
+	t.is(sigData, "SNWS2-HMAC-SHA256\n" +
+		"20170425T143000Z\n" +
+		Hex.stringify(SHA256(canonicalRequestData))
+	);
+
 	t.is(
 		builder.httpHeaders.firstValue(HttpHeaders.DIGEST),
 		"sha-256=" + reqBodySha256Base64