ses-cjs/ses-cjs.js

CommonJS-compatible dynamic wrapper for SES (Secure ECMAScript) using version 0.13.1 for legacy Node and browser support.

// ses-cjs.js

let promise, locked = false

module.exports = function getSES() {
  if (!promise) {
    promise = (async () => {
      if (!globalThis.Compartment) {
        const realAssert = globalThis.assert

        await import('ses')

        globalThis.sesAssert = globalThis.assert
        globalThis.assert = realAssert

        const originalLockdown = globalThis.lockdown
        function silentLockdown() {
          if (locked) return

          const originalLog = console.log
          console.log = () => {}

          originalLockdown({
            errorTaming: 'unsafe',
            stackFiltering: 'verbose',
            overrideTaming: 'severe',
          })
          locked = true

          console.log = originalLog
        }
        globalThis.silentLockdown = silentLockdown
      }
      return {
        lockdown: globalThis.lockdown,
        silentLockdown: globalThis.silentLockdown,
        Compartment: globalThis.Compartment,
        assert: globalThis.assert,
        sesAssert: globalThis.sesAssert,
        harden: globalThis.harden,
      }
    })()
  }
  return promise
}