@okta/okta-auth-js
Version:
The Okta Auth SDK
42 lines (39 loc) • 1.64 kB
JavaScript
/*!
* Copyright (c) 2015-present, Okta, Inc. and/or its affiliates. All rights reserved.
* The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (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 jsonpathRegex = /\$?(?<step>\w+)|(?:\[(?<index>\d+)\])/g;
function jsonpath({ path, json }) {
var _a, _b, _c;
const steps = [];
let match;
while ((match = jsonpathRegex.exec(path)) !== null) {
const step = (_b = (_a = match === null || match === void 0 ? void 0 : match.groups) === null || _a === void 0 ? void 0 : _a.step) !== null && _b !== void 0 ? _b : (_c = match === null || match === void 0 ? void 0 : match.groups) === null || _c === void 0 ? void 0 : _c.index;
if (step) {
steps.push(step);
}
}
if (steps.length < 1) {
return undefined;
}
const lastStep = steps.pop();
let curr = json;
for (const step of steps) {
if (Object.prototype.hasOwnProperty.call(curr, step)) {
if (typeof curr[step] !== 'object') {
return undefined;
}
curr = curr[step];
}
}
return curr[lastStep];
}
export { jsonpath };
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