initial commit

src/graphql/index.ts

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+import { mergeTypeDefs, mergeResolvers } from "../mods";
+
+const modules = [require("./sudoku")];
+
+export const typeDefs = mergeTypeDefs(modules.map((mod) => mod.typeDefs));
+export const resolvers = mergeResolvers(modules.map((mod) => mod.resolvers));

src/graphql/sudoku.ts

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+import { gql } from "../mods";
+import { generate } from "../sudoku/index";
+
+export const typeDefs = gql`
+  type Cell {
+    value: Int
+  }
+  """
+  A sudoku
+  """
+  type Sudoku {
+    "The width of each region."
+    regionWidth: Int!
+
+    "The height of each region."
+    regionHeight: Int!
+
+    "The total number of cells in the board."
+    cells: Int!
+
+    "The 'raw' board, an array of cells in region-first order."
+    raw: [Cell!]!
+
+    "The rows of the board, from top to bottom."
+    rows: [[Cell!]!]!
+
+    "The columns of the board, from left to right."
+    columns: [[Cell!]!]!
+
+    "The regions of the board, book-ordered."
+    regions: [[Cell!]!]!
+  }
+
+  type Query {
+    "Generates a new sudoku."
+    generate(regionWidth: Int = 3, regionHeight: Int = 3, clues: Int!): Sudoku!
+  }
+`;
+
+type GenerateArguments = {
+  regionWidth: number;
+  regionHeight: number;
+  clues: number;
+};
+
+export const resolvers = {
+  Query: {
+    generate: (
+      obj: any,
+      { regionWidth, regionHeight, clues }: GenerateArguments
+    ) => {
+      return generate(regionWidth, regionHeight, clues);
+    },
+  },
+};