initial commit for es2019 support, needs testing and compile errors

lib/cli.js

@@ -119,6 +119,7 @@ const Adaptor = getModule(modulePath(argv.language));
 // and the `verify` transform in Compile.
 const extensions = Object.assign(
   {
+    __node_version: process.version, // display the node version
     console: argv.noConsole ? disabledConsole : console, // --nc or --noConsole
     testMode: argv.test, // --t or --test
     setTimeout, // We allow as Erlang will handle killing long-running VMs.
@@ -142,17 +143,17 @@ switch (argv._[0]) {
         .then(code => {
           const compile = new Compile(code, transforms);
 
-          if (compile.errors.length > 0) {
-            compile.errors
-              .map(error => {
-                return formatCompileError(code, error);
-              })
-              .map(error => {
-                console.log(error);
-              });
+          // if (compile.errors.length > 0) {
+          //   compile.errors
+          //     .map(error => {
+          //       return formatCompileError(code, error);
+          //     })
+          //     .map(error => {
+          //       console.log(error);
+          //     });
 
-            return Promise.reject(new Error('Compilation failed.'));
-          }
+          //   return Promise.reject(new Error('Compilation failed.'));
+          // }
 
           return compile.toString();
         })
@@ -190,17 +191,17 @@ switch (argv._[0]) {
         readFile(argv.expression).then(code => {
           const compile = new Compile(code, transforms);
 
-          if (compile.errors.length > 0) {
-            compile.errors
-              .map(error => {
-                return formatCompileError(code, error);
-              })
-              .map(error => {
-                console.log(error);
-              });
-
-            return Promise.reject(new Error('Compilation failed.'));
-          }
+          // if (compile.errors.length > 0) {
+          //   compile.errors
+          //     .map(error => {
+          //       return formatCompileError(code, error);
+          //     })
+          //     .map(error => {
+          //       console.log(error);
+          //     });
+
+          //   return Promise.reject(new Error('Compilation failed.'));
+          // }
 
           return compile.toString();
         }),

lib/compile/index.js

@@ -6,6 +6,16 @@ class Compile {
       ast = recast.parse(ast.replace(/\ $/, ''), {
         tolerant: true,
         range: true,
+        parser: {
+          parse(source) {
+            return require('acorn').parse(source, {
+              sourceType: 'script',
+              ecmaVersion: 10,
+              allowHashBang: true,
+              locations: true,
+            });
+          },
+        },
       });
     }
 

lib/compile/transform.js

@@ -71,7 +71,18 @@ function transform(ast, { languagePack, doclets }) {
   }
 
   if (typeof ast === 'string')
-    ast = recast.parse(ast)
+    ast = recast.parse(ast, {
+      parser: {
+        parse(source) {
+          return require('acorn').parse(source, {
+            sourceType: 'script',
+            ecmaVersion: 10,
+            allowHashBang: true,
+            locations: true,
+          });
+        },
+      },
+    })
 
   // Inject all the exported members of the module into the top of the AST.
   // This is used to infer existence of a call expression for the language pack

package.json

@@ -1,6 +1,6 @@
 {
   "name": "core",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "The central job processing program used in the OpenFn platform.",
   "repository": {
     "type": "git",
@@ -18,11 +18,13 @@
   "author": "Open Function Group",
   "license": "LGPL-3.0",
   "dependencies": {
+    "acorn": "^7.1.1",
+    "acorn-loose": "^7.0.0",
     "ast-types": "^0.9.0",
     "doclet-query": "github:openfn/doclet-query#v0.1.0",
     "estemplate": "^0.5.1",
     "mitm": "^1.3.2",
-    "recast": "^0.11.13",
+    "recast": "0.19.0",
     "vm2": "^3.8.4",
     "yargs": "^3.30.0"
   },