Initial support for swc

website/package.json

@@ -51,6 +51,7 @@
     "@glimmer/syntax": "^0.73.1",
     "@humanwhocodes/momoa": "^1.0.0",
     "@mdx-js/mdx": "^1.5.8",
+    "@swc/wasm-web": "^1.2.57",
     "@typescript-eslint/parser": "^4.1.0",
     "@vue/compiler-dom": "^3.0.0-rc.10",
     "@webassemblyjs/wast-parser": "^1.9.0",

website/src/parsers/js/swc.js

@@ -0,0 +1,59 @@
+import defaultParserInterface from './utils/defaultESTreeParserInterface';
+import pkg from '@swc/wasm-web/package.json';
+
+const ID = '@swc/wasm-web';
+export const defaultOptions = {
+  syntax: 'ecmascript',
+  tsx: false,
+  jsx: false,
+  dynamicImport: false,
+};
+export const parserSettingsConfiguration = {
+  fields: [
+    ['syntax', ['ecmascript', 'typescript']],
+    'tsx',
+    'jsx',
+    'dynamicImport',
+  ],
+};
+
+export default {
+  ...defaultParserInterface,
+
+  id: ID,
+  displayName: ID,
+  version: pkg.version,
+  homepage: pkg.homepage || 'https://swc.rs/',
+  locationProps: new Set(['span']),
+
+  opensByDefault(node, key) {
+    return (
+      (Boolean(node) && node.type === 'Module') ||
+      key === 'body' ||
+      key === 'elements' || // array literals
+      key === 'declarations' || // variable declaration
+      key === 'expression' // expression statements
+    );
+  },
+
+  loadParser(callback) {
+    require(['@swc/wasm-web'], callback);
+  },
+
+  parse(swc, code, options) {
+    return swc.parseSync(code, options);
+  },
+
+  getDefaultOptions() {
+    return defaultOptions;
+  },
+
+  _getSettingsConfiguration() {
+    return parserSettingsConfiguration;
+  },
+
+  nodeToRange(node) {
+    // TODO
+    return node.range;
+  },
+};

website/yarn.lock

@@ -1314,6 +1314,11 @@
   resolved "https://registry.yarnpkg.com/@simple-dom/interface/-/interface-1.4.0.tgz#e8feea579232017f89b0138e2726facda6fbb71f"
   integrity sha512-l5qumKFWU0S+4ZzMaLXFU8tQZsicHEMEyAxI5kDFGhJsRqDwe0a7/iPA/GdxlGyDKseQQAgIz5kzU7eXTrlSpA==
 
+"@swc/wasm-web@^1.2.57":
+  version "1.2.57"
+  resolved "https://registry.yarnpkg.com/@swc/wasm-web/-/wasm-web-1.2.57.tgz#547e9d64d82f279947021665633d505863d68494"
+  integrity sha512-Z5VrTsrvUafYhdgpHYoWUjKdVzPpAxgcRd7n0xWgCICCqrhQw/M6rIhAhItb865U66ChqBPfhn7fHezwOL8XJA==
+
 "@types/color-name@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"