@nx/esbuild/src/utils/environment-variables.js

The Nx Plugin for esbuild contains executors and generators that support building applications using esbuild

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getClientEnvironment = getClientEnvironment;
function getClientEnvironment() {
    const nxPublicKeyRegex = /^NX_PUBLIC_/i;
    return Object.keys(process.env)
        .filter((key) => nxPublicKeyRegex.test(key) || key === 'NODE_ENV')
        .reduce((env, key) => {
        env[`process.env.${key}`] = JSON.stringify(process.env[key]);
        return env;
    }, {});
}