@nx/jest/src/utils/version-utils.js

The Nx Plugin for Jest contains executors and generators allowing your workspace to use the powerful Jest testing capabilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getInstalledJestVersion = getInstalledJestVersion;
exports.getInstalledJestMajorVersion = getInstalledJestMajorVersion;
const semver_1 = require("semver");
function getInstalledJestVersion() {
    try {
        return require('jest/package.json').version;
    }
    catch {
        return null;
    }
}
function getInstalledJestMajorVersion() {
    const installedVersion = getInstalledJestVersion();
    return installedVersion ? (0, semver_1.major)(installedVersion) : null;
}