commander-spellbook
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0.13.1 • Public • Published

Commander Spellbook

An unofficial wrapper for the Commander Spellbook API.

Installation

npm install --save commander-spellbook

The module is a singleton object that can look up combos from the Commander Spellbook API.

var spellbook = require("commander-spellbook");

Why?

The API that Commander Spellbook provides is a JSON version of the underlying Google spreadsheet that they use to host the combo data. While convenient that the data is available to use, the actual method for looking up combos could be easier. This module aims to simplify the lookup process.

Usage

Overview

The methods in this module typically resolve with an object or an array of objects representing the data of the combo(s). The object(s) typically have this shape:

{
  commanderSpellbookId: number;
  permalink: "https://commanderspellbook.com/?id=" + commanderSpellbookId;
  cards: Card[];
  colorIdentity: ColorIdentity;
  prerequisites: SpellbookList;
  steps: SpellbookList;
  results: SpellbookList;
  hasBannedCard: boolean;
  hasSpoiledCard: boolean;
}
  • commanderSpellbookId is the id in the commander spellbook database as a string.
  • permalink is the link available to view the combo on the commander spellbook website.
  • cards is an array of Card objects.
  • colorIdentity is a ColorIdentity object indicating the color identity of the combo
  • prerequisites is a SpellbookList object that contains the things required before doing the combo.
  • steps is a SpellbookList object that contains steps to do the combo.
  • result is a SpellbookList object that contains the results from doing the combo.
  • hasBannedCard is true when at least one card in the combo is banned in the Commander format.
  • hasSpoiledCard is true when at least one card uses a newly previewed card that is technically not yet legal in the Commander format.

See the Models section for more information on the custom classes.

findById

Look up a specific combo by the combos id

spellbook.findById("123").then((combo) => {
  combo; // combo with commanderSpellbookId '123'
});

If a number is passed as the id, it will automatically be converted to a string:

spellbook.findById(123).then((combo) => {
  combo; // combo with commanderSpellbookId '123'
});

If a combo with the specified id does not exist, the promise will reject.

spellbook.findById("not-an-id").catch((err) => {
  err.message; // 'Combo with id "not-an-id" could not be found.'
});

Search

Look up all the combos with the search method:

spellbook.search().then((result) => {
  result.combos; // loop over the array of combos
});

In addition, search takes an optional query string to filter the results.

spellbook.search("sydri scepter").then((result) => {
  result.combos; // all combos that include cards with the name sydri and scepter in them
});

Full or partial card names can also be used.

spellbook
  .search("card:'Arjun, the Shifting Flame' card:\"Thought Reflection\"")
  .then((result) => {
    result.combos; // all combos that include cards with the name Arjun, the Shifting Flrame and Thought Reflection
  });

You can also query by color identity using ci or coloridentity.

spellbook.search("Kiki ci:wbr").then((result) => {
  result.combos; // all combos that include cards with the name Kiki and have a white/black/red color identity
});

The :, =, >, >=, <, and <= operators are supported.

spellbook.search("Kiki ci=wbr").then((result) => {
  result.combos; // all combos that include cards with the name Kiki and have an identity of exactly white/black/red
});

Using numbers to restrict the number of colors is also supported:

spellbook.search("Kiki ci>2").then((result) => {
  result.combos; // all combos that include cards with the name Kiki and have 3 or more colors in her identity
});

You can also query by the prequisites, steps and results in the combo.

spellbook
  .search(
    "prequisites:'all permanents' steps:'Untap all' results:'infinite' results:'mana'"
  )
  .then((result) => {
    result.combos; // all combos that include the prerequisites, steps and results from the query
  });

Errors in search can be found in an array of errors:

spellbook.search("unknownkey:value card:Arjun").then((result) => {
  const error = result.errors[0];

  error.key; // "unknownkey"
  error.value; // "value"
  error.message; // 'Could not parse keyword "unknownkey" with value "value"'
});

A human readable explanation of the search query can be found on the message property.

spellbook.search("card:breath result:infinite").then((result) => {
  result.message; // 8 combos where cards have a value containing "breath" and results have a value containing "infinite".
});

The way the combos were sorted and ordered can be found on the sort and order properties. By default, sort will be colors and order will be ascending.

spellbook.search("Aetherflux").then((result) => {
  result.sort; // colors
  result.order; // ascending
});

You can override the default sort and order:

spellbook.search("Aetherflux sort:results order:descending").then((result) => {
  result.sort; // results
  result.order; // descending
});

Autocomplete

Look up possible values for card names, results, or colors

spellbook.autocomplete("cards", "dream").then((cards) => {
  cards; // cards that contain the word dream in them
  cards[0].value; // normalized (lowercased, punctuation removed) version of the name
  cards[0].label; // regular version of the name
});
spellbook.autocomplete("results", "infinite").then((results) => {
  results; // results that contain the word infinite in them
  results[0].value; // normalized (lowercased, punctuation removed) version of the result
  results[0].label; // regular version of the result
});
spellbook.autocomplete("colors", "wu").then((colors) => {
  colors; // color combos that contain blue and white in them
  colors[0].value; // azorius
  colors[0].label; // Azorius :manaw::manau:
});

Random

Look up a random combo using the random method:

spellbook.random().then((combo) => {
  combo; // a randomly chosen combo
});

Get All Combos

Look up a all combos using the getAllCombos method:

spellbook.getAllCombos().then((combos) => {
  combos; // an array of combo results
});

Make Fake Combo

A utility for using the module within a test environment to create a combo object that fulfills the type requirements in a Typescript environemnt.

const combo = spellbook.makeFakeCombo();
combo; // a combo object to use as a test fixture

Any of the attributes can be overwritten:

const combo = spellbook.makeFakeCombo({
  commanderSpellbookId: "custom-id",
  cards: ["Arjun", "Sydri"],
  colorIdentity: "URWB",
  prerquisites: ["a", "b", "c"],
  steps: ["a", "b", "c"],
  results: ["a", "b", "c"],
});
combo; // a combo object to use as a test fixture

Models

The methods provided in the module typically return a combo object with with some special classes. The special classes are documented here:

Card

An object that has a few convenience methods for rendering the card.

The name of the card can accessed via the name property. The Scryfall URI can be accessed via the scryfallURI property;

card.name; // "Rashmi, Eternities Crafter"
card.scryfallURI; // "https://scryfall.com/search?q=!%22Rasmi,+Eternities+Crafter%22"

getScryfallData

Resolves a promise with the Scryfall object from the scryfall-client module for the card.

card.getScryfallData().then((cardData) => {
  // inspect card data
});

getScryfallImageUrl

Returns a url that can be used to display the card using an image from Scryfall.

const url = card.getScryfallImageUrl(); // https://api.scryfall.com/cards/named?format=image&exact=Rashmi,%2C%20Eternities%20Crafter

A string may be passed as an argument to specify what kind of image you would like. See the Scryfyall version documentation for more details. The possible values are:

  • small
  • normal
  • large
  • png
  • art_crop
  • border_crop
const url = card.getScryfallImageUrl("art_crop"); // https://api.scryfall.com/cards/named?format=image&exact=Rashmi,%2C%20Eternities%20Crafter&version=art_crop

toString

Returns the raw result from the Commander Spellbook API.

card.toString(); // Rashmi, Eternities Crafter

ColorIdentity

An object that has a few convenience methods for rendering the color identity.

The raw spellbook API gives the color identity in the form of a string. For a white/blue identity, the string would look like: "w,u".

The colors can be accessed with the colors array.

ci.colors; // ["w", "u"]

toString

Returns the raw result from the Commander Spellbook API.

ci.toString(); // w,u

SpellbookList

An Array-like object that has a few convenience methods for rendering the data.

The raw spellbook API gives the prerquisites, steps and results data in the form of a single string deliminated by ..

For the following examples, we'll assume that the raw Spellbook API gave us this information:

Step 1. Step 2. Step 3.

The SpellbookList model has various methods to access the data:

Array Methods

You can use any Array methods to access the data:

list.length; // 3
list[0]; // Step 1
list[1]; // Step 2
list[2]; // Step 3
list.forEach((step) => {
  // render step
});

toString

Provides the raw string given to us by the Spellbook API.

list.toString();
// Step 1. Step 2. Step 3.

This method will be envoked when it is interpolated:

const text = `Here are the steps: ${list}`;
// Here are the steps: Step 1. Step 2. Step 3.

Browser Support

The source code is written in Typescript and transpiled to ES5.

The module makes use of the Promise object, so if this SDK is used in a browser that does not support promises, it will need to be polyfilled in your script.

Contributing Guidelines

Code Style

The code base uses Prettier. Run:

npm run pretty

Testing

To lint and run all the tests, simply run:

npm test

To run just the unit tests, run:

npm run test:unit

To run just the linting command, run:

npm run lint

To run the integration tests, run:

npm run test:integration

To run the publishing test, run:

npm run test:publishing

Bugs

If you find a bug, feel free to open an issue or a Pull Request.

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npm i commander-spellbook

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