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Heaven.js for SQLite

NPM version Build status

Heaven.js for SQLite is a JavaScript library for Node.js that gives you a CRUD API for your SQLite database by implementing a Data Mapper or Table Data Gateway object. It's built on Heaven.js and comes with adapters for Mapbox's SQLite3 and Joshua Wise's Better SQLite3. It'll also work with other SQLite libraries that have compatible APIs. Along with Sqlate.js's tagged template strings, this permits convenient SQL queries that get parsed to your models and equally easy creation and updating.

Installing

npm install heaven-sqlite

Heaven.js for SQLite follows semantic versioning, so feel free to depend on its major version with something like >= 1.0.0 < 2 (a.k.a ^1.0.0).

Using with Mapbox's SQLite3

Instantiate SqliteHeaven by passing it the constructor for your model, an SQLite connection and a table name:

var SqliteHeaven = require("heaven-sqlite/mapbox")
var Sqlite3 = require("sqlite3")
var sqlite = new Sqlite3.Database(":memory:")
sqlite.serialize()

function Model(attrs) { Object.assign(this, attrs)}
var modelsDb = new SqliteHeaven(Model, sqlite, "models")

Suppose the "models" table looks like this:

CREATE TABLE "models" (
  "id" INTEGER PRIMARY KEY NOT NULL,
  "name" TEXT DEFAULT '',
  "age" INTEGER DEFAULT 0
)

You can then call the five CRUD methods like described in Heaven.js's README:

var sql = require("sqlate")

var john = await modelsDb.create({name: "John", age: 13})
var mike = await modelsDb.create({name: "Mike", age: 42})

modelsDb.search(sql`SELECT * FROM models WHERE age < 15`)
modelsDb.read(john.id)
modelsDb.update(model, {age: 42})
modelsDb.delete(model)

Using with Joshua Wise's Better SQLite3

Instantiate SqliteHeaven by passing it the constructor for your model, an SQLite connection and a table name:

var SqliteHeaven = require("heaven-sqlite/better")
var Sqlite3 = require("better-sqlite3")
var sqlite = new Sqlite3.Database(":memory:", {memory: true})

function Model(attrs) { Object.assign(this, attrs)}
var modelsDb = new SqliteHeaven(Model, sqlite, "models")

Suppose the "models" table looks like this:

CREATE TABLE "models" (
  "id" INTEGER PRIMARY KEY NOT NULL,
  "name" TEXT DEFAULT '',
  "age" INTEGER DEFAULT 0
)

You can then call the five CRUD methods like described in Heaven.js's README, but compared to Mapbox's SQLite3, synchronously:

var sql = require("sqlate")

var john = modelsDb.create({name: "John", age: 13})
var mike = modelsDb.create({name: "Mike", age: 42})

modelsDb.search(sql`SELECT * FROM models WHERE age < 15`)
modelsDb.read(john.id)
modelsDb.update(model, {age: 42})
modelsDb.delete(model)

License

Heaven.js for SQLite is released under a Lesser GNU Affero General Public License, which in summary means:

  • You can use this program for no cost.
  • You can use this program for both personal and commercial reasons.
  • You do not have to share your own program's code which uses this program.
  • You have to share modifications (e.g. bug-fixes) you've made to this program.

For more convoluted language, see the LICENSE file.

About

Andri Möll typed this and the code.
Monday Calendar supported the engineering work.

If you find Heaven.js for SQLite needs improving, please don't hesitate to type to me now at andri@dot.ee or create an issue online.

About

Heaven.js's Data Mapper for SQLite. CRUD API that parses and serializes your models to and from SQLite.

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