The requested module 'fs' does not provide an export named 'promises'

[jhwheeler]

On running npm run build, the following error occurs:

> [email protected] build /Users/alacritas/Projects/Utils/svelte-devtools-master
> $npm_execpath run build:format && rollup -c && $npm_execpath run build:icon


> [email protected] build:format /Users/alacritas/Projects/Utils/svelte-devtools-master
> node --experimental-modules ./scripts/format.mjs

(node:41629) ExperimentalWarning: The ESM module loader is experimental.
file:///Users/alacritas/Projects/Utils/svelte-devtools-master/scripts/format.mjs:5
import { promises as fs } from 'fs'
         ^^^^^^^^
SyntaxError: The requested module 'fs' does not provide an export named 'promises'
    at ModuleJob._instantiate (internal/modules/esm/module_job.js:79:21)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] build:format: `node --experimental-modules ./scripts/format.mjs`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] build:format script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/alacritas/.npm/_logs/2019-09-19T22_01_48_720Z-debug.log
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] build: `$npm_execpath run build:format && rollup -c && $npm_execpath run build:icon`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/alacritas/.npm/_logs/2019-09-19T22_01_48_757Z-debug.log

It seems to be a quirky syntax issue explained here: nodejs/node#21014

[RedHatter]

Please use node version 11.14 or above to build.