JeffML

const myLittleTypes = [{
    id: 1,
    description: 'This is good',
}, {
    id: 2,
    description: 'This is better',
}, {
    id: 3,
    description: 'This is the best!',
}];

JeffML

export default `
  type Author {
    id: Int!
    firstName: String
    lastName: String
    posts: [Post] # the list of Posts by this author
}`

JeffML

import {
    authors,
    posts
} from './dataSource';

const rootResolvers = {
    Query: {
        posts: () => posts,
        author: (_, {
            id

JeffML

import {
    makeExecutableSchema
} from 'graphql-tools';

import {
    schema as authorpostsSchema,
    resolvers as authorpostsResolvers
} from './authorposts';

JeffML

module.exports = function squareControl() {
    const getSquaresControlledBy = (board, pieceColor) => {
        var pieces = board.boardPieces[pieceColor];

        const promises = pieces.map(p =>
            new Promise(resolve => {
                this.act({
                    role: "movement",
                    cmd: "legalMoves",
                    piece: p,

JeffML

module.exports = function (boardAndPiece, candidateMoves, reply) {
    const opposingColor = boardAndPiece.piece.color === 'W' ? 'black' : 'white';

    //temporarily remove the K to avoid cycles
    boardAndPiece.board.removePiece(boardAndPiece.piece);

    function canCastle(king, rook, intervening, opposing) {
        // console.log("canCastle", arguments)

        const opposingControlled = [...opposing.controlled]

JeffML

    this.add('role:movement,cmd:legalMoves', function (msg, reply) {
        this.prior(msg, function (err, result) {
            if (msg.board) {
                const result2 = legalMovesWithBoard(msg, result);
                if (msg.piece.piece === 'K') {
                    legalMovesWithKing.call(this, msg, result2, reply)
                } else {
                    reply(err, result2);
                }
            } else {

JeffML

const legalMovesWithBoard = require("./helpers/legalMovesWithBoard")
//...
    this.add('role:movement,cmd:legalMoves', function (msg, reply) {
        this.prior(msg, function (err, result) {
            if (msg.board) {
                const result2 = legalMovesWithBoard(msg, result);
         
    //...

JeffML

function knightChecks(boardAndPiece, candidateMoves) {
    const newMoves = [];

    for (const m of candidateMoves.moves) {
        const p = boardAndPiece.board.pieceAt(m)
        if (!p) {
            newMoves.push(m)
        } else if (p.color !== boardAndPiece.piece.color) {
            m.hasCaptured = p;
            newMoves.push(m)

JeffML

module.exports = function (boardAndPiece, candidateMoves) {
    if (!boardAndPiece.board) return candidateMoves;

    const rangeChecks = {
        B: vectorChecks,
        R: vectorChecks,
        K: vectorChecks,
        Q: vectorChecks,
        P: pawnChecks,
        N: knightChecks