Replace @rollup/plugin-json with esbuild's json loader

package-lock.json

@@ -3169,25 +3169,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/@rollup/plugin-json": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-json/-/plugin-json-5.0.1.tgz",
-      "integrity": "sha512-QCwhZZLvM8nRcTHyR1vOgyTMiAnjiNj1ebD/BMRvbO1oc/z14lZH6PfxXeegee2B6mky/u9fia4fxRM4TqrUaw==",
-      "dependencies": {
-        "@rollup/pluginutils": "^5.0.1"
-      },
-      "engines": {
-        "node": ">=14.0.0"
-      },
-      "peerDependencies": {
-        "rollup": "^1.20.0||^2.0.0||^3.0.0"
-      },
-      "peerDependenciesMeta": {
-        "rollup": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@rollup/plugin-node-resolve": {
       "version": "15.0.1",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-15.0.1.tgz",
@@ -17369,7 +17350,6 @@
       "license": "MIT",
       "dependencies": {
         "@rollup/plugin-commonjs": "23.0.2",
-        "@rollup/plugin-json": "5.0.1",
         "@rollup/plugin-node-resolve": "15.0.1",
         "@sucrase/jest-plugin": "3.0.0",
         "@types/gulp": "4.0.10",

packages/config/package.json

@@ -37,7 +37,6 @@
   "homepage": "https://www.jspsych.org/latest/developers/configuration",
   "dependencies": {
     "@rollup/plugin-commonjs": "23.0.2",
-    "@rollup/plugin-json": "5.0.1",
     "@rollup/plugin-node-resolve": "15.0.1",
     "@sucrase/jest-plugin": "3.0.0",
     "@types/gulp": "4.0.10",

packages/config/rollup.js

@@ -2,7 +2,6 @@ import { readFileSync } from "fs";
 import path from "path";
 
 import commonjs from "@rollup/plugin-commonjs";
-import json from "@rollup/plugin-json";
 import resolve from "@rollup/plugin-node-resolve";
 import { defineConfig } from "rollup";
 import dts from "rollup-plugin-dts";
@@ -39,6 +38,16 @@ const makeConfig = ({
     ...outputOptions,
   };
 
+  /** @type{import("rollup-plugin-esbuild").Options} */
+  const esBuildPluginOptions = {
+    loaders: { ".json": "json" },
+  };
+
+  /** @type{import("@rollup/plugin-commonjs").RollupCommonJSOptions} */
+  const commonjsPluginOptions = {
+    extensions: [".js", ".json"],
+  };
+
   // Non-babel builds
   const config = defineConfig([
     // Type definitions (bundled as a single .d.ts file)
@@ -60,7 +69,11 @@ const makeConfig = ({
     {
       ...globalOptions,
       input,
-      plugins: [externals(), json(), esbuild({ target: "node14" }), commonjs()],
+      plugins: [
+        externals(),
+        esbuild({ ...esBuildPluginOptions, target: "node18" }),
+        commonjs(commonjsPluginOptions),
+      ],
       output: [
         { file: `${destination}.js`, format: "esm", ...outputOptions },
         { file: `${destination}.cjs`, format: "cjs", ...outputOptions },
@@ -84,9 +97,8 @@ const makeConfig = ({
       plugins: [
         externals({ deps: false }),
         resolve({ preferBuiltins: false }),
-        json(),
+        esbuild({ ...esBuildPluginOptions, target: "esnext" }),
-        esbuild({ target: "esnext" }),
+        commonjs(commonjsPluginOptions),
-        commonjs(),
       ],
       output: {
         file: `${destination}.browser.js`,
@@ -104,9 +116,8 @@ const makeConfig = ({
       plugins: [
         externals({ deps: false }),
         resolve({ preferBuiltins: false }),
-        json(),
+        esbuild({ ...esBuildPluginOptions, target: "es2015", minify: true }),
-        esbuild({ target: "es2015", minify: true }),
+        commonjs(commonjsPluginOptions),
-        commonjs(),
       ],
       output: {
         file: `${destination}.browser.min.js`,