Updated the files.

my-app/node_modules/@sigstore/sign/dist/util/index.d.ts

@@ -0,0 +1,3 @@
+export { crypto, dsse, encoding, json, pem } from '@sigstore/core';
+export * as oidc from './oidc';
+export * as ua from './ua';

my-app/node_modules/@sigstore/sign/dist/util/index.js

@@ -0,0 +1,49 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ua = exports.oidc = exports.pem = exports.json = exports.encoding = exports.dsse = exports.crypto = void 0;
+/*
+Copyright 2023 The Sigstore Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+var core_1 = require("@sigstore/core");
+Object.defineProperty(exports, "crypto", { enumerable: true, get: function () { return core_1.crypto; } });
+Object.defineProperty(exports, "dsse", { enumerable: true, get: function () { return core_1.dsse; } });
+Object.defineProperty(exports, "encoding", { enumerable: true, get: function () { return core_1.encoding; } });
+Object.defineProperty(exports, "json", { enumerable: true, get: function () { return core_1.json; } });
+Object.defineProperty(exports, "pem", { enumerable: true, get: function () { return core_1.pem; } });
+exports.oidc = __importStar(require("./oidc"));
+exports.ua = __importStar(require("./ua"));

my-app/node_modules/@sigstore/sign/dist/util/oidc.d.ts

@@ -0,0 +1 @@
+export declare function extractJWTSubject(jwt: string): string;

my-app/node_modules/@sigstore/sign/dist/util/oidc.js

@@ -0,0 +1,31 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.extractJWTSubject = void 0;
+/*
+Copyright 2023 The Sigstore Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+const core_1 = require("@sigstore/core");
+function extractJWTSubject(jwt) {
+    const parts = jwt.split('.', 3);
+    const payload = JSON.parse(core_1.encoding.base64Decode(parts[1]));
+    switch (payload.iss) {
+        case 'https://accounts.google.com':
+        case 'https://oauth2.sigstore.dev/auth':
+            return payload.email;
+        default:
+            return payload.sub;
+    }
+}
+exports.extractJWTSubject = extractJWTSubject;

my-app/node_modules/@sigstore/sign/dist/util/ua.d.ts

@@ -0,0 +1 @@
+export declare const getUserAgent: () => string;

my-app/node_modules/@sigstore/sign/dist/util/ua.js

@@ -0,0 +1,33 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getUserAgent = void 0;
+/*
+Copyright 2023 The Sigstore Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+const os_1 = __importDefault(require("os"));
+// Format User-Agent: <product> / <product-version> (<platform>)
+// source: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent
+const getUserAgent = () => {
+    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    const packageVersion = require('../../package.json').version;
+    const nodeVersion = process.version;
+    const platformName = os_1.default.platform();
+    const archName = os_1.default.arch();
+    return `sigstore-js/${packageVersion} (Node ${nodeVersion}) (${platformName}/${archName})`;
+};
+exports.getUserAgent = getUserAgent;