i have the same problem with jeep-sqlite.entry.js.

    [ERROR] The package "crypto" wasn't found on the file system but is built into node. [plugin angular-browser-node-built-in]
[ng]     node_modules/jeep-sqlite/dist/esm/jeep-sqlite.entry.js:2900:28:
[ng]       2900 │             var a = require("crypto");