Migrate from tsimp to swc (#416)

* Migrate from tsimp to swc using an import shim to mitigate the bn.js import bug

* Updating version to 2.0.159

---------

Co-authored-by: dc-autobot[bot] <181364585+dc-autobot[bot]@users.noreply.github.com>

.depcheckrc

@@ -1 +1 @@
-ignores: ["pg", "prettier-plugin-organize-imports", "@digicatapult/tsimp", "reflect-metadata"]
+ignores: ["pg", "prettier-plugin-organize-imports", "reflect-metadata", "rimraf"]

.gitignore

@@ -5,7 +5,6 @@ coverage
 .idea
 .env
 .vscode
-.tsimp
 build
 src/routes.ts
 src/swagger.json

.swcrc

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://swc.rs/schema.json",
+  "jsc": {
+    "parser": {
+      "syntax": "typescript",
+      "tsx": false,
+      "decorators": true,
+      "dynamicImport": true,
+      "importMeta": true
+    },
+    "transform": {
+      "decoratorMetadata": true,
+      "legacyDecorator": true,
+      "useDefineForClassFields": true
+    },
+    "target": "es2022"
+  },
+  "exclude": [
+    "/__test__/"
+  ],
+  "sourceMaps": true,
+  "isModule": true,
+  "minify": false
+}

import/hooks.mjs

@@ -0,0 +1,11 @@
+import { resolve as swcResolve } from '@swc-node/register/esm'
+export { load } from '@swc-node/register/esm'
+
+const skipSwcSet = new Set(['bn.js'])
+
+export function resolve(specifier, context, nextResolve) {
+  if (skipSwcSet.has(specifier)) {
+    return nextResolve(specifier, context)
+  }
+  return swcResolve(specifier, context, nextResolve)
+}

import/index.mjs

@@ -0,0 +1,3 @@
+import { register } from 'node:module'
+
+register('./hooks.mjs', import.meta.url)