Remove esm module dependency. Fixes #145.

package.json

@@ -2,7 +2,7 @@
   "name": "mingo",
   "version": "3.0.2",
   "description": "JavaScript implementation of MongoDB query language",
-  "main": "index.js",
+  "main": "./lib/index.js",
   "module": "./lib/index.js",
   "typings": "./lib/index.d.ts",
   "scripts": {
@@ -28,11 +28,9 @@
     "README.md",
     "CHANGELOG.md"
   ],
-  "dependencies": {
-    "esm": "3.2.25"
-  },
   "devDependencies": {
     "codecov": "3.7.0",
+    "esm": "3.2.25",
     "lodash": "4.17.19",
     "nyc": "15.1.0",
     "perf_hooks": "0.0.1",

prepare.js

@@ -8,12 +8,6 @@ const LIB_DIR = path.resolve('lib')
 
 const CMD = process.argv.slice(2).join(' ')
 
-const MAIN_JS_FILE = 'main.js'
-const MAIN_JS_DATA = [
-  'require = require("esm")(module/*, options*/)',
-  'module.exports = require("./index.js")'
-].join('\n')
-
 // files to cleanup to avoid packing
 const CLEANUP_FILES = [
   'node_modules',
@@ -59,11 +53,8 @@ function prepare() {
     '**/*.ts'
   ])
 
-  // write main entry files using esm
-  fs.writeFileSync(path.join(LIB_DIR, MAIN_JS_FILE), MAIN_JS_DATA)
-
   // override entry files
-  packageJson.main = MAIN_JS_FILE
+  packageJson.main = 'index.js'
   packageJson.module = 'index.js'
   packageJson.typings = 'index.d.ts'
 

src/util.ts

@@ -613,9 +613,10 @@ export function resolve(obj: object | any[], selector: string, options?: Resolve
         if (i === 0 && depth > 0) break
 
         depth += 1
-        path = path.slice(i)
+        // only look at the rest of the path
+        let subpath = path.slice(i)
         value = value.reduce<any[]>((acc: any[], item: any) => {
-          let v = resolve2(item, path)
+          let v = resolve2(item, subpath)
           if (v !== undefined) acc.push(v)
           return acc
         }, [])