test: dogfood rpt2 as configPlugin w/ rollup.config.ts

README.md

@@ -241,7 +241,7 @@ Otherwise the plugin should work in watch mode. Make sure to run a normal build
 
 * TypeScript `2.4+`
 * Rollup `1.26.3+`
-* Node `6.4.0+` (basic ES6 support)
+* Node `12.2.0+` (to [support `createRequire`](https://nodejs.org/api/module.html#modulecreaterequirefilename))
 
 ### Reporting bugs and Contributing
 

package.json

@@ -22,15 +22,19 @@
   "homepage": "https://github.com/ezolenko/rollup-plugin-typescript2",
   "author": "@ezolenko",
   "scripts": {
-    "prebuild": "rimraf dist/*",
-    "build": "rimraf dist/* && rollup -c",
-    "watch": "rollup -c rollup.config.self.js -w ",
-    "build-self": "rimraf dist/* && rollup -c rollup.config.self.js",
+    "prebuild": "rimraf dist/* build-self/*.ts build-self/*.*js",
+    "build": "rollup -c rollup.config.ts --configPlugin typescript2=\"{ tsconfigOverride: { compilerOptions: { resolveJsonModule: true } } }\"",
+    "_build-self": "rollup -c rollup.config.self.ts --configPlugin ./build-self/index.mjs=\"{ tsconfigOverride: { compilerOptions: { resolveJsonModule: true } } }\"",
+    "build-self": "rimraf dist/* && npm run _build-self",
+    "watch": "npm run _build-self -- -w ",
     "lint": "tslint -c ./tslint.json src/*.ts __tests__/*.ts ./*.js",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:coverage": "jest --coverage"
   },
+  "engines": {
+    "node": ">=12.2.0"
+  },
   "dependencies": {
     "@rollup/pluginutils": "^4.1.2",
     "find-cache-dir": "^3.3.2",
@@ -46,12 +50,13 @@
     "@jest/globals": "^28.0.3",
     "@rollup/plugin-commonjs": "^22.0.0",
     "@rollup/plugin-node-resolve": "13.2.1",
+    "@rollup/plugin-replace": "^5.0.0",
     "@types/find-cache-dir": "^2.0.0",
     "@types/fs-extra": "8.0.1",
     "@types/graphlib": "2.1.7",
     "@types/jest": "^27.5.0",
     "@types/lodash": "4.14.161",
-    "@types/node": "8.0.47",
+    "@types/node": "^20.4.2",
     "@types/object-hash": "1.3.3",
     "@types/semver": "7.3.12",
     "colors": "1.4.0",
@@ -61,7 +66,6 @@
     "object-hash": "3.0.0",
     "rimraf": "3.0.2",
     "rollup": "^2.70.2",
-    "rollup-plugin-re": "1.0.7",
     "rollup-plugin-typescript2": "0.35.0",
     "ts-jest": "^28.0.0",
     "tslint": "6.1.3",

rollup.config.base.js → rollup.config.base.ts

@@ -1,8 +1,8 @@
+import replace from "@rollup/plugin-replace";
 import resolve from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
-import replace from "rollup-plugin-re";
 
-const pkg = require("./package.json");
+import pkg from "./package.json";
 
 export default {
 	input: "src/index.ts",
@@ -26,14 +26,16 @@ export default {
 	plugins: [
 		replace
 		({
-			replaces:
+			preventAssignment: true, // remove default warning
+			delimiters: ["", ""], // replace all instances
+			values:
 			{
 				"$TS_VERSION_RANGE": pkg.peerDependencies.typescript,
 				"$ROLLUP_VERSION_RANGE": pkg.peerDependencies.rollup,
 				"$RPT2_VERSION": pkg.version,
 			},
 		}),
-		resolve({ jsnext: true, preferBuiltins: true, }),
+		resolve({ preferBuiltins: true, mainFields: ["module", "jsnext:main", "main"] }),
 		commonjs
 		({
 			include: "node_modules/**",
@@ -57,7 +59,7 @@ export default {
 		},
 		{
 			format: "es",
-			file: "build-self/" + pkg.module,
+			file: "build-self/index.mjs",
 			sourcemap: true,
 			banner: "/* eslint-disable */",
 			exports: "auto",

rollup.config.self.js → rollup.config.self.ts

@@ -1,4 +1,4 @@
-import ts from "./build-self/dist/rollup-plugin-typescript2.es";
+import ts from "./build-self/index";
 
 import config from "./rollup.config.base";
 

src/index.ts

@@ -1,3 +1,4 @@
+import { createRequire } from "module";
 import { relative, dirname, normalize as pathNormalize, resolve } from "path";
 import * as tsTypes from "typescript";
 import { PluginImpl, InputOptions, TransformResult, SourceMap, Plugin } from "rollup";
@@ -16,7 +17,9 @@ import { convertDiagnostic, printDiagnostics } from "./diagnostics";
 import { TSLIB, TSLIB_VIRTUAL, tslibSource, tslibVersion } from "./tslib";
 import { createFilter } from "./get-options-overrides";
 
-// these use globals during testing and are substituted by rollup-plugin-re during builds
+const require = createRequire(import.meta.url);
+
+// these use globals during testing and are substituted by @rollup/plugin-replace during builds
 const TS_VERSION_RANGE = (global as any)?.rpt2__TS_VERSION_RANGE || "$TS_VERSION_RANGE";
 const ROLLUP_VERSION_RANGE = (global as any)?.rpt2__ROLLUP_VERSION_RANGE || "$ROLLUP_VERSION_RANGE";
 const RPT2_VERSION = (global as any)?.rpt2__ROLLUP_VERSION_RANGE || "$RPT2_VERSION";

src/rollingcache.ts

@@ -1,9 +1,11 @@
 import { existsSync, readdirSync, renameSync } from "fs";
-import { emptyDirSync, ensureFileSync, readJsonSync, removeSync, writeJsonSync } from "fs-extra";
+import fsExtra from "fs-extra"; // TODO: replace with fs-extra/esm once we support node16+ moduleResolution
 import * as _ from "lodash";
 
 import { ICache } from "./icache";
 
+const { emptyDirSync, ensureFileSync, readJsonSync, removeSync, writeJsonSync } = fsExtra; // TODO: per above, replace as named exports once we support node16+ moduleResolution
+
 /**
  * Saves data in new cache folder or reads it from old one.
  * Avoids perpetually growing cache and situations when things need to consider changed and then reverted data to be changed.

src/tslib.ts

@@ -1,3 +1,4 @@
+import { createRequire } from "module";
 import { readFileSync } from "fs";
 
 // The injected id for helpers.
@@ -6,6 +7,8 @@ export const TSLIB_VIRTUAL = "\0tslib.js";
 export let tslibSource: string;
 export let tslibVersion: string;
 
+const require = createRequire(import.meta.url);
+
 try
 {
 	// tslint:disable-next-line:no-string-literal no-var-requires