diff --git a/DOCUMENTATION.md b/DOCUMENTATION.md
index 910c506..5c5100d 100644
--- a/DOCUMENTATION.md
+++ b/DOCUMENTATION.md
@@ -6,8 +6,6 @@ for support, contact me on discord `dragonwocky#8449` or open an issue here in t
 
 want to contribute? check the the [contribution guidelines](CONTRIBUTING.md).
 
----
-
 ## module creation
 
 _to understand best how notion's app works, check out [the electron docs](https://www.electronjs.org/docs/)_
@@ -23,8 +21,6 @@ each directory in the `mods` folder is considered a module, with the entry point
 | `mod.js`     | **required:** describes the module and contains functional javascript                                |
 | `styles.css` | **optional:** css file automatically inserted into each app window via the `enhancement://` protocol |
 
----
-
 ### mod.js
 
 ```js
@@ -86,7 +82,7 @@ access to the module settings/options defined in `mod.js` (those set in the menu
 or used internally by the module). each module store is saved to + automatically syncs with `~/.notion-enhancer/id.json`.
 it can be initialised with `const data = store({ defaults })`, then used as if it were a normal object.
 
-this hack is applied to whichever file is set as the function key. these can be found within the `app` folder.
+this hack is applied to whichever file (`.js`-only) is set as the function key. these can be found within the `app` folder.
 
 files under the `main` folder are executed on app launch in a process shared
 between all app windows (consider it a backend). files under the `renderer` folder are
@@ -118,8 +114,6 @@ module.exports.hacks = {
 
 to be documented
 
----
-
 ## styling
 
 to be documented
diff --git a/loader/hack.js b/loader/hack.js
deleted file mode 100644
index e986e53..0000000
--- a/loader/hack.js
+++ /dev/null
@@ -1,5 +0,0 @@
-module.exports = function () {
-  document.addEventListener('readystatechange', (ev) => {
-    console.log(ev);
-  });
-};
diff --git a/loader/main.js b/loader/main.js
deleted file mode 100644
index e69de29..0000000
diff --git a/loader/renderer.js b/loader/renderer.js
deleted file mode 100644
index e69de29..0000000
diff --git a/mods/core/meta.js b/mods/core/mod.js
similarity index 94%
rename from mods/core/meta.js
rename to mods/core/mod.js
index 135c53e..61f9573 100644
--- a/mods/core/meta.js
+++ b/mods/core/mod.js
@@ -7,7 +7,7 @@
 module.exports = {
   id: '0f0bf8b6-eae6-4273-b307-8fc43f2ee082',
   type: 'core',
-  name: 'notion-enhancer',
+  name: 'notion-enhancer core',
   version: require('../../package.json').version,
   author: 'dragonwocky',
   thumb:
diff --git a/package.json b/package.json
index 24757be..832ec92 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
   "dependencies": {
     "asar": "^3.0.3",
     "cac": "^6.5.12",
-    "fs-extra": "^9.0.1"
+    "fs-extra": "^9.0.1",
+    "readdir-enhanced": "^6.0.3"
   }
 }
diff --git a/pkg/apply.js b/pkg/apply.js
index 85a5daa..f8b1464 100644
--- a/pkg/apply.js
+++ b/pkg/apply.js
@@ -7,6 +7,7 @@
 'use strict';
 const fs = require('fs-extra'),
   path = require('path'),
+  { readdirIterator } = require('readdir-enhanced'),
   helpers = require('./helpers.js'),
   { version } = require('../package.json');
 
@@ -40,7 +41,7 @@ module.exports = async function ({ overwrite_version } = {}) {
           !['y', 'n'].includes(overwrite_version.toLowerCase())
         );
         overwrite_version =
-          !overwrite_version || overwrite_version.toLowerCase() == 'y';
+          !overwrite_version || overwrite_version.toLowerCase() === 'y';
         if (!overwrite_version) {
           console.info(' ~~ keeping previous version: exiting.');
           return false;
@@ -54,8 +55,8 @@ module.exports = async function ({ overwrite_version } = {}) {
         });
     }
     console.info(' ...unpacking app.asar');
-    const asar_app = path.join(__notion, 'app.asar'),
-      asar_exec = path.join(
+    const asar_app = path.resolve(__notion, 'app.asar'),
+      asar_exec = path.resolve(
         __dirname,
         '..',
         'node_modules',
@@ -64,9 +65,9 @@ module.exports = async function ({ overwrite_version } = {}) {
         'asar.js'
       );
     await helpers.exec(
-      `"${asar_exec}" extract "${asar_app}" "${path.join(__notion, 'app')}"`
+      `"${asar_exec}" extract "${asar_app}" "${path.resolve(__notion, 'app')}"`
     );
-    fs.move(asar_app, path.join(__notion, 'app.asar.bak'));
+    fs.move(asar_app, path.resolve(__notion, 'app.asar.bak'));
 
     // patching launch script target of custom wrappers
     if (
@@ -92,39 +93,29 @@ module.exports = async function ({ overwrite_version } = {}) {
       }
     }
 
-    const mods = await fs.readdir(path.join(__dirname, '..', 'mods')),
-      invalid_mods = [],
-      loaded_mods = [];
-    for (let dir of mods) {
-      try {
-        const mod = require(`../mods/${dir}/mod.js`);
-        if (
-          !mod.id ||
-          !mod.name ||
-          !mod.version ||
-          !mod.author ||
-          !['extension', 'theme', 'core'].includes(mod.type)
-        )
-          throw Error;
-        loaded_mods.push(mod.name);
-        console.log(mod.renderer.toString());
-      } catch (err) {
-        invalid_mods.push(dir);
+    for await (let insertion_target of readdirIterator(
+      path.resolve(__notion, 'app'),
+      {
+        deep: (stats) => stats.path.indexOf('node_modules') === -1,
+        filter: (stats) => stats.isFile() && stats.path.endsWith('.js'),
       }
+    )) {
+      insertion_target = path.resolve(__notion, 'app', insertion_target);
+      fs.appendFile(
+        insertion_target,
+        `\n\n//notion-enhancer\nrequire('${helpers.realpath(
+          __dirname
+        )}/loader.js')(__filename);`
+      );
     }
-    if (loaded_mods.length)
-      console.info(
-        `<notion-enhancer> enhancements loaded: ${loaded_mods.join(', ')}.`
-      );
-    if (invalid_mods.length)
-      console.error(
-        `<notion-enhancer> invalid mods found: ${invalid_mods.join(', ')}.`
-      );
 
     // not resolved, nothing depends on it so it's just a "let it do its thing"
     console.info(' ...recording enhancement version.');
-    fs.outputFile(path.join(__notion, 'app', 'ENHANCER_VERSION.txt'), version);
-    fs.outputFile(path.join(helpers.data_folder, 'version.txt'), version);
+    fs.outputFile(
+      path.resolve(__notion, 'app', 'ENHANCER_VERSION.txt'),
+      version
+    );
+    fs.outputFile(path.resolve(helpers.data_folder, 'version.txt'), version);
 
     console.info(' ~~ success.');
     return true;
diff --git a/pkg/check.js b/pkg/check.js
index 3f6985e..f104b21 100644
--- a/pkg/check.js
+++ b/pkg/check.js
@@ -16,17 +16,17 @@ let __notion = helpers.getNotion();
 module.exports = async function () {
   __notion = await __notion;
 
-  const version_path = path.join(__notion, 'app', 'ENHANCER_VERSION.txt'),
+  const version_path = path.resolve(__notion, 'app', 'ENHANCER_VERSION.txt'),
     installed_version = (await fs.pathExists(version_path))
       ? await fs.readFile(version_path, 'utf8')
       : '?.?.?';
-  if (await fs.pathExists(path.join(__notion, 'app.asar'))) {
+  if (await fs.pathExists(path.resolve(__notion, 'app.asar'))) {
     return {
       msg: `notion-enhancer has not been applied.`,
       code: 0,
     };
   }
-  return installed_version == version
+  return installed_version === version
     ? {
         msg: `notion-enhancer v${version} applied.`,
         code: 1,
diff --git a/pkg/helpers.js b/pkg/helpers.js
index 16b0032..f1262e8 100644
--- a/pkg/helpers.js
+++ b/pkg/helpers.js
@@ -21,10 +21,10 @@ class EnhancerError extends Error {
 // checks if being run on the windows subsystem for linux:
 // used to modify windows notion app.
 const is_wsl =
-    process.platform == 'linux' &&
+    process.platform === 'linux' &&
     os.release().toLowerCase().includes('microsoft'),
   // ~/.notion-enhancer absolute path.
-  data_folder = path.join(os.homedir(), '.notion-enhancer');
+  data_folder = path.resolve(os.homedir(), '.notion-enhancer');
 
 // transform a wsl filepath to its relative windows filepath if necessary.
 // every file path inserted by hack.js should be put through this.
@@ -72,15 +72,15 @@ async function getNotion() {
     );
   // check if actual app files are present.
   // if app/app.asar are missing but app.asar.bak present it will be moved to app.asar
-  const app_asar = path.join(folder, 'app.asar');
+  const app_asar = path.resolve(folder, 'app.asar');
   if (
     !(
       (await fs.pathExists(folder)) &&
       ((await fs.pathExists(app_asar)) ||
-        (await fs.pathExists(path.join(folder, 'app'))))
+        (await fs.pathExists(path.resolve(folder, 'app'))))
     )
   ) {
-    const asar_bak = path.join(folder, 'app.asar.bak');
+    const asar_bak = path.resolve(folder, 'app.asar.bak');
     if (await fs.pathExists(asar_bak)) {
       await fs.move(asar_bak, app_asar);
     } else
diff --git a/pkg/helpers.md b/pkg/helpers.md
index 4f8bf69..a48dfa7 100644
--- a/pkg/helpers.md
+++ b/pkg/helpers.md
@@ -101,7 +101,7 @@ do {
   // ask for a Y/n until a valid answer is received.
   // pressing enter without input is assumed to be a "yes".
 } while (overwrite && !['y', 'n'].includes(overwrite.toLowerCase()));
-overwrite = !overwrite || overwrite.toLowerCase() == 'y';
+overwrite = !overwrite || overwrite.toLowerCase() === 'y';
 if (overwrite) {
   console.info(' -- overwriting file.');
   // do stuff
diff --git a/pkg/loader.js b/pkg/loader.js
new file mode 100644
index 0000000..9605e3e
--- /dev/null
+++ b/pkg/loader.js
@@ -0,0 +1,49 @@
+/*
+ * notion-enhancer
+ * (c) 2020 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
+ * under the MIT license
+ */
+
+'use strict';
+const fs = require('fs-extra'),
+  path = require('path'),
+  helpers = require('./helpers.js');
+
+let __notion = helpers.getNotion();
+module.exports = async function (__file) {
+  __notion = await __notion;
+  __file = __file
+    .slice(path.resolve(__notion, 'app').length + 1)
+    .replace(/\\/g, '/');
+
+  const mods = await fs.readdir(path.resolve(__dirname, '..', 'mods')),
+    invalid_mods = [],
+    loaded_mods = [];
+  for (let dir of mods) {
+    try {
+      const mod = require(`../mods/${dir}/mod.js`);
+      if (
+        !mod.id ||
+        !mod.name ||
+        !mod.version ||
+        !mod.author ||
+        !['extension', 'theme', 'core'].includes(mod.type)
+      )
+        throw Error;
+      loaded_mods.push(mod.name);
+    } catch (err) {
+      invalid_mods.push(dir);
+    }
+  }
+
+  if (__file === 'renderer/preload.js') {
+    if (loaded_mods.length)
+      console.info(
+        `<notion-enhancer> enhancements loaded: ${loaded_mods.join(', ')}.`
+      );
+    if (invalid_mods.length)
+      console.error(
+        `<notion-enhancer> invalid mods found: ${invalid_mods.join(', ')}.`
+      );
+  }
+};
diff --git a/pkg/remove.js b/pkg/remove.js
index 69b71da..a437caf 100644
--- a/pkg/remove.js
+++ b/pkg/remove.js
@@ -24,18 +24,18 @@ module.exports = async function ({ overwrite_asar, delete_data } = {}) {
     __notion = await __notion;
 
     // extracted asar: modded
-    const app_folder = path.join(__notion, 'app');
+    const app_folder = path.resolve(__notion, 'app');
     if (await fs.pathExists(app_folder)) {
       console.info(` ...removing folder ${app_folder}`);
       file_operations.push(fs.remove(app_folder));
     } else console.warn(` * ${app_folder} not found: step skipped.`);
 
     // restoring original asar
-    const asar_bak = path.join(__notion, 'app.asar.bak');
+    const asar_bak = path.resolve(__notion, 'app.asar.bak');
     if (await fs.pathExists(asar_bak)) {
       console.info(' ...moving asar.app.bak to app.asar');
 
-      if (await fs.pathExists(path.join(__notion, 'app.asar'))) {
+      if (await fs.pathExists(path.resolve(__notion, 'app.asar'))) {
         console.warn(' * app.asar already exists!');
         if (overwrite_asar === undefined) {
           do {
@@ -46,7 +46,7 @@ module.exports = async function ({ overwrite_asar, delete_data } = {}) {
             !['y', 'n'].includes(overwrite_asar.toLowerCase())
           );
           overwrite_asar =
-            !overwrite_asar || overwrite_asar.toLowerCase() == 'y';
+            !overwrite_asar || overwrite_asar.toLowerCase() === 'y';
         }
         console.info(
           overwrite_asar
@@ -57,7 +57,7 @@ module.exports = async function ({ overwrite_asar, delete_data } = {}) {
 
       file_operations.push(
         overwrite_asar || overwrite_asar === undefined
-          ? fs.move(asar_bak, path.join(__notion, 'app.asar'), {
+          ? fs.move(asar_bak, path.resolve(__notion, 'app.asar'), {
               overwrite: true,
             })
           : fs.remove(asar_bak)
@@ -75,7 +75,7 @@ module.exports = async function ({ overwrite_asar, delete_data } = {}) {
           delete_data &&
           !['y', 'n'].includes(delete_data.toLowerCase())
         );
-        delete_data = !delete_data || delete_data.toLowerCase() == 'y';
+        delete_data = !delete_data || delete_data.toLowerCase() === 'y';
       }
       console.info(
         delete_data
@@ -84,7 +84,7 @@ module.exports = async function ({ overwrite_asar, delete_data } = {}) {
       );
       if (delete_data) {
         file_operations.push(fs.remove(helpers.data_folder));
-      } else fs.remove(path.join(helpers.data_folder, 'version.txt'));
+      } else fs.remove(path.resolve(helpers.data_folder, 'version.txt'));
     } else console.warn(` * ${helpers.data_folder} not found: step skipped.`);
 
     await Promise.all(file_operations);
diff --git a/pkg/store.js b/pkg/store.js
index a1cb81b..898a96b 100644
--- a/pkg/store.js
+++ b/pkg/store.js
@@ -11,7 +11,7 @@ const path = require('path'),
 
 // a wrapper for accessing data stored in a JSON file.
 module.exports = (namespace, defaults = {}) => {
-  namespace = path.join(data_folder, namespace + '.json');
+  namespace = path.resolve(data_folder, namespace + '.json');
   fs.ensureDirSync(data_folder);
 
   const getData = () => ({ ...defaults, ...getJSON(namespace) });
diff --git a/yarn.lock b/yarn.lock
index 4c61620..c2f36d9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,20 @@
 # yarn lockfile v1
 
 
+"@jsdevtools/file-path-filter@^3.0.0":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@jsdevtools/file-path-filter/-/file-path-filter-3.0.1.tgz#7fa96b4c0d41a2ec6231584a9f90f4e9442d24eb"
+  integrity sha512-7kOhYFyidfB9fZf2LLkMD/AntpFnxzWW614H4hLvWe3ENE9NN32cZQeF0Ychjg6h91XaUYbqQx2D/GtXJ05/Ew==
+  dependencies:
+    glob-to-regexp "^0.4.1"
+
+"@jsdevtools/readdir-enhanced@6.0.3":
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/@jsdevtools/readdir-enhanced/-/readdir-enhanced-6.0.3.tgz#0916be64d6677dd98b8bf6fd38e6e1057d31ada2"
+  integrity sha512-fDg/Qk6+vaMDGW3P4DN+i3Kx/t1Hk2FgKcxynA/N9a7hZZp3oBG55ia8lZP9CPWvIUDmOwIyDOo2/k9lTB2ciQ==
+  dependencies:
+    "@jsdevtools/file-path-filter" "^3.0.0"
+
 "@types/glob@^7.1.1":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.1.3.tgz#e6ba80f36b7daad2c685acd9266382e68985c183"
@@ -85,6 +99,11 @@ fs.realpath@^1.0.0:
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
   integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
 
+glob-to-regexp@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.4.1.tgz#c75297087c851b9a578bd217dd59a92f59fe546e"
+  integrity sha512-lkX1HJXwyMcprw/5YUZc2s7DrpAiHB21/V+E1rHUrVNokkvB6bqMzT0VfV6/86ZNabt1k14YOIaT7nDvOX3Iiw==
+
 glob@^7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
@@ -143,6 +162,13 @@ path-is-absolute@^1.0.0:
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
 
+readdir-enhanced@^6.0.3:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/readdir-enhanced/-/readdir-enhanced-6.0.3.tgz#68996e119d62852ca48ea1148a8bab066df61bea"
+  integrity sha512-il2lsGAN3AzufAKnuqFdEz6TVdCCuQEpSQ96ntgUlCCRZwbz9A2VFLph0BqXQ/Sw1/Rb1wTrkbtsJpNEjP7wuA==
+  dependencies:
+    "@jsdevtools/readdir-enhanced" "6.0.3"
+
 universalify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-1.0.0.tgz#b61a1da173e8435b2fe3c67d29b9adf8594bd16d"