Remove inline require() and enable @ts-check in tests (#55)

.eslintrc.js

@@ -16,8 +16,14 @@ module.exports = {
   rules: {
     "jest/expect-expect": ["off"],
     "@typescript-eslint/no-namespace": ["off"],
-
-    // Rules to disable in V5 port
-    "@typescript-eslint/no-var-requires": ["off"],
   },
+  overrides: [
+    {
+      files: "__tests__/**/*.js",
+      rules: {
+        // Rules to disable in V5 port
+        "@typescript-eslint/no-var-requires": ["off"],
+      },
+    },
+  ],
 };

__tests__/helpers.js

@@ -1,6 +1,6 @@
+// @ts-check
 const pg = require("pg");
 const { readFile } = require("fs");
-const pgConnectionString = require("pg-connection-string");
 
 // This test suite can be flaky. Increase it’s timeout.
 jest.setTimeout(1000 * 20);
@@ -19,7 +19,7 @@ const withPgClient = async (url, fn) => {
     fn = url;
     url = process.env.TEST_DATABASE_URL;
   }
-  const pgPool = new pg.Pool(pgConnectionString.parse(url));
+  const pgPool = new pg.Pool({ connectionString: url });
   let client;
   try {
     client = await pgPool.connect();
@@ -51,7 +51,8 @@ const withDbFromUrl = async (url, fn) => {
 
 const withRootDb = (fn) => withDbFromUrl(process.env.TEST_DATABASE_URL, fn);
 
-let prepopulatedDBKeepalive;
+/** @type {(Promise<void> & {resolve: () => void, reject: () => void, client: import('pg').PoolClient, vars: any}) | null} */
+let prepopulatedDBKeepalive = null;
 
 const populateDatabase = async (client) => {
   await client.query(await readFilePromise(`${__dirname}/p-data.sql`, "utf8"));
@@ -89,14 +90,14 @@ withPrepopulatedDb.setup = (done) => {
   }
   let res;
   let rej;
-  prepopulatedDBKeepalive = new Promise((resolve, reject) => {
-    res = resolve;
-    rej = reject;
-  });
-  prepopulatedDBKeepalive.resolve = res;
-  prepopulatedDBKeepalive.reject = rej;
   withRootDb(async (client) => {
-    prepopulatedDBKeepalive.client = client;
+    prepopulatedDBKeepalive = Object.assign(
+      new Promise((resolve, reject) => {
+        res = resolve;
+        rej = reject;
+      }),
+      { resolve: res, reject: rej, client, vars: undefined }
+    );
     try {
       prepopulatedDBKeepalive.vars = await populateDatabase(client);
     } catch (e) {

__tests__/integration/queries.test.js

@@ -1,10 +1,12 @@
+// @ts-check
 const { graphql } = require("graphql");
 const { withPgClient } = require("../helpers");
 const { createPostGraphileSchema } = require("postgraphile-core");
 const { readdirSync, readFile: rawReadFile } = require("fs");
 const { resolve: resolvePath } = require("path");
 const { printSchema } = require("graphql/utilities");
 const debug = require("debug")("graphile-build:schema");
+const { default: PgOrderByRelatedPlugin } = require("../../dist/index.js");
 
 function readFile(filename, encoding) {
   return new Promise((resolve, reject) => {
@@ -29,10 +31,10 @@ beforeAll(() => {
     // need and wait for them to be created in parallel.
     const [normal, columnAggregates] = await Promise.all([
       createPostGraphileSchema(pgClient, ["p"], {
-        appendPlugins: [require("../../dist/index.js")],
+        appendPlugins: [PgOrderByRelatedPlugin],
       }),
       createPostGraphileSchema(pgClient, ["p"], {
-        appendPlugins: [require("../../dist/index.js")],
+        appendPlugins: [PgOrderByRelatedPlugin],
         graphileBuildOptions: {
           orderByRelatedColumnAggregates: true,
         },

__tests__/integration/schema/columnAggregates.test.js

@@ -1,9 +1,11 @@
+// @ts-check
 const core = require("./core");
+const { default: PgOrderByRelatedPlugin } = require("../../../dist/index.js");
 
 test(
   "prints a schema with the order-by-related plugin",
   core.test(["p"], {
-    appendPlugins: [require("../../../dist/index.js")],
+    appendPlugins: [PgOrderByRelatedPlugin],
     disableDefaultMutations: true,
     legacyRelations: "omit",
     graphileBuildOptions: {

__tests__/integration/schema/core.js

@@ -1,3 +1,4 @@
+// @ts-check
 const { withPgClient } = require("../../helpers");
 const { createPostGraphileSchema } = require("postgraphile-core");
 const { parse, buildASTSchema } = require("graphql");

__tests__/integration/schema/ignoreIndexes.test.js

@@ -1,9 +1,11 @@
+// @ts-check
 const core = require("./core");
+const { default: PgOrderByRelatedPlugin } = require("../../../dist/index.js");
 
 test(
   "prints a schema with `ignoreIndexes: false`",
   core.test(["p"], {
-    appendPlugins: [require("../../../dist/index.js")],
+    appendPlugins: [PgOrderByRelatedPlugin],
     disableDefaultMutations: true,
     legacyRelations: "omit",
     ignoreIndexes: false,

__tests__/integration/schema/orderByRelated.test.js

@@ -1,9 +1,11 @@
+// @ts-check
 const core = require("./core");
+const { default: PgOrderByRelatedPlugin } = require("../../../dist/index.js");
 
 test(
   "prints a schema with the order-by-related plugin",
   core.test(["p"], {
-    appendPlugins: [require("../../../dist/index.js")],
+    appendPlugins: [PgOrderByRelatedPlugin],
     disableDefaultMutations: true,
     legacyRelations: "omit",
   })

src/index.ts

@@ -1,12 +1,11 @@
 import type { Inflection, Plugin } from "graphile-build";
+import * as pkg from "../package.json";
 
 const PgOrderByRelatedPlugin: Plugin = (
   builder,
   { orderByRelatedColumnAggregates }
 ) => {
   builder.hook("build", (build) => {
-    const pkg = require("../package.json");
-
     // Check dependencies
     if (!build.versions) {
       throw new Error(

tsconfig.json

@@ -1,7 +1,9 @@
 {
+  "$schema": "https://json.schemastore.org/tsconfig",
   "extends": "@tsconfig/node18/tsconfig.json",
   "compilerOptions": {
     "noImplicitAny": false,
+    "resolveJsonModule": true,
     "rootDir": "./src",
     "outDir": "./dist",
     "declarationDir": "dist",