switch from webpack to swc

.github/workflows/pnpm.yml

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+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [lts/*, latest]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        name: Install pnpm
+        with:
+          version: 8
+          run_install: false
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - uses: actions/cache@v3
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - run: pnpm run build
+
+      - run: pnpm test
+

.swcrc

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+{
+  "$schema": "http://json.schemastore.org/swcrc",
+  "jsc": {
+    "parser": {
+      "syntax": "typescript",
+      "tsx": true
+    }
+  }
+}

.swcrc-cjs

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+{
+  "$schema": "https://json.schemastore.org/swcrc",
+  "module": {
+    "type": "commonjs",
+    "strict": false,
+    "strictMode": true,
+    "lazy": false,
+    "noInterop": false
+  },
+  "jsc": {
+    "transform": {
+      "legacyDecorator": true,
+      "decoratorMetadata": true
+    },
+    "target": "es5",
+    "minify": {
+      "compress": true,
+      "mangle": true
+    }
+  },
+  "sourceMaps": true
+}

.swcrc-esm

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+{
+  "$schema": "http://json.schemastore.org/swcrc",
+  "module": {
+    "type": "es6"
+  },
+  "jsc": {
+    "parser": {
+      "syntax": "typescript",
+      "tsx": true
+    }
+  },
+  "isModule": true
+}

.swcrc-umd

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+{
+  "$schema": "https://json.schemastore.org/swcrc",
+  "module": {
+    "type": "umd",
+    "globals": {
+      "default": "isoToLanguage"
+    },
+    "strict": false,
+    "strictMode": true,
+    "lazy": false,
+    "noInterop": false
+  },
+  "jsc": {
+    "target": "es5",
+    "loose": false,
+    "minify": {
+      "compress": true,
+      "mangle": true
+    }
+  },
+  "minify": true
+}

bin/clean.mjs

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+//!/usr/bin/env node
+import fs from 'fs'
+
+//check if the directory exists
+if (!fs.existsSync("./lib")) {
+    console.log("Directory not found... skipping");
+    process.exit(0);
+}
+
+fs.rmdirSync("./lib", {recursive: true});

jest.config.js

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+module.exports = {
+    extensionsToTreatAsEsm: ['.ts', '.tsx'],
+    transform: {
+        '^.+\\.(t|j)sx?$': [
+            '@swc/jest', {
+            jsc: {
+                'parser': { 'syntax': 'typescript' }
+                }
+            }
+        ],
+    },
+    collectCoverage: true
+}