Pre-built custom sql.js for sqliteviz

[saaj]

Motivation

To be able provide sqliteviz builds with fresh SQLite, and incorporate valuable SQLite "own" and 3rd party extensions, this PR proposes Docker-based scripts to build WASM sql.js.

To avoid requiring build dependencies for every potential contributor, commit built sql-wasm.js and sql-wasm.wasm in the repo.

Extensions

Included/enabled extensions are documented in lib/sql-js/README.md.

To do

• Replace Makefile with something comprehensible
• npm run build fails first time (2nd attempt works) with cryptic:

  ERROR  Failed to compile with 0 errors                                                    
  ERROR  Build failed with errors.
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! [email protected] build: `NODE_OPTIONS=--max_old_space_size=4096 vue-cli-service build`
  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.
  

• Add all extensions listed in lib/sql-js/README.md.
• Add simple SQL tests for each extension.
• Add issue for exposing added extensions in the app info dialogue.
• Decide what downloads (if any) go to Dockerfile and what go to (replacement for) Makefile

Reference

Statically built auto-registered SQLite extensions:

• https://sqlite.org/forum/forumpost/6ad7d4f4bebe5e06?raw
• https://sqlite.org/forum/forumpost/f69e37b1a1?t=h

[saaj]

There are a few bug reports about first build run failing and second succeeding for vue-cli-service. Here, vuejs/vue-cli#5399, it boils down to ESLint triggering in the build in wrong order or something like that. Worked around with lintOnSave: process.env.NODE_ENV === 'development' as described in related StackOverfow answer.