Run yarn in the repository root.

• See package.json scripts. TypeScript's tsc can be run with yarn tsc.
• When running the local development server, append the output HTML file name with its extension to the URL.

• Both JavaScript and Typescript modules will work and are interoperable.
• swc is used to transpile JS/TS, see ecmaVersion in the webpack config.
• BrightSign modules (@brightsign/... imports) are automatically included in webpack externals. If more externals are needed, see combining syntaxes.
• When adding path aliases, they must be added to tsconfig.json, the webpack swcOptionsNode, and both webpack configs' resolve.alias.

• Add a @ts-expect-error comment above BrightSign module imports (see node/api.ts).