I wanted to see that presentation and cloned it locally, installed dependencies and tried to run via npm start.
PS C:\Development\code-aesthetics> npm start
> [email protected] start
> mdx-deck deck.mdx
info Deleting .cache, public
info Successfully deleted directories
ERROR
(node:61324) [DEP0128] DeprecationWarning: Invalid 'main' field in 'C:\Development\code-aesthetics\node_modules\@gatsbyjs\relay-compiler\package.json' of 'RelayCompilerPublic'. Please either fix that or report it to the module author
(Use `node --trace-deprecation ...` to show where the warning was created)
success open and validate gatsby-configs - 0.110 s
success load plugins - 0.530 s
success onPreInit - 0.071 s
success initialize cache - 0.073 s
success copy gatsby files - 0.190 s
success onPreBootstrap - 0.073 s
warn Browserslist: caniuse-lite is outdated. Please run next command `yarn upgrade`
success source and transform nodes - 0.974 s
success Add explicit types - 0.073 s
success Add inferred types - 0.129 s
success Processing types - 0.109 s
success building schema - 0.429 s
success createPages - 0.293 s
success createPagesStatefully - 0.110 s
success onPreExtractQueries - 0.068 s
success update schema - 0.084 s
success extract queries from components - 0.217 s
success write out requires - 0.109 s
success write out redirect data - 0.080 s
success onPostBootstrap - 0.080 s
โ
info bootstrap finished - 6.603 s
โ
success run static queries - 0.070 s
success run page queries - 0.108 s โ 3/3 77.22 queries/second
ERROR
UNHANDLED REJECTION error:0308010C:digital envelope routines::unsupported
Error: error:0308010C:digital envelope routines::unsupported
- hash:69 new Hash
node:internal/crypto/hash:69:19
- node:crypto:133 Object.createHash
node:crypto:133:10
- createHash.js:135 module.exports
[code-aesthetics]/[webpack]/lib/util/createHash.js:135:53
- NormalModule.js:417 NormalModule._initBuildHash
[code-aesthetics]/[webpack]/lib/NormalModule.js:417:16
- NormalModule.js:452
[code-aesthetics]/[webpack]/lib/NormalModule.js:452:10
- NormalModule.js:323
[code-aesthetics]/[webpack]/lib/NormalModule.js:323:13
- LoaderRunner.js:367
[code-aesthetics]/[loader-runner]/lib/LoaderRunner.js:367:11
- LoaderRunner.js:233
[code-aesthetics]/[loader-runner]/lib/LoaderRunner.js:233:18
- LoaderRunner.js:111 context.callback
[code-aesthetics]/[loader-runner]/lib/LoaderRunner.js:111:13
- index.js:55
[code-aesthetics]/[babel-loader]/lib/index.js:55:103
โ start webpack server
Error: Command failed with exit code 1 (Unknown system error -1): gatsby develop --host localhost --port 8000 --open
at makeError (C:\Development\code-aesthetics\node_modules\execa\lib\error.js:58:11)
at handlePromise (C:\Development\code-aesthetics\node_modules\execa\index.js:112:26)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)