Handle dynamically-created forms using mutation observers

.editorconfig

@@ -0,0 +1,7 @@
+root=true
+
+[*]
+end_of_line = LF
+indent_size = 4
+indent_style = space
+insert_final_newline = true

README.md

@@ -40,5 +40,12 @@ Additional contributors (in alphabetical order):
 ## License
 
 [CC-BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/legalcode).
-See [LICENSE.txt](LICENSE.txt) or the 
+See [LICENSE.txt](LICENSE.txt) or the
 [summary](https://creativecommons.org/licenses/by-sa/3.0/).
+
+## Developing
+
+We welcome issues and pull requests!  The main files are
+`src/background.js` and `src/content.js`.  Before committing changes, please
+run `./beautify.sh` to pretty-print the source.  This reduces the number
+of whitespace changes and makes it easier to focus on the substance of PRs.

beautify.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -o errexit
+set -o pipefail
+shopt -s nullglob
+
+for f in src/*.js src/*.css src/*.htm* ; do
+    echo "$f"
+    npx js-beautify --editorconfig -r "$f"
+done

package.json

@@ -0,0 +1,22 @@
+{
+  "name": "chrome-dont-add-custom-search-engines",
+  "version": "0.0.6",
+  "description": "Google Chrome extension that stops sites from adding custom search engines",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/gregsadetsky/chrome-dont-add-custom-search-engines.git"
+  },
+  "author": "",
+  "license": "CC-BY-SA-3.0",
+  "bugs": {
+    "url": "https://github.com/gregsadetsky/chrome-dont-add-custom-search-engines/issues"
+  },
+  "homepage": "https://github.com/gregsadetsky/chrome-dont-add-custom-search-engines#readme",
+  "devDependencies": {
+    "js-beautify": "^1.10.2"
+  }
+}

src/background.js

@@ -0,0 +1,93 @@
+"use strict";
+
+var defSitesWMut = {
+    'www.nytimes.com': ['.css-10488qs'],
+    'www.brico.be': ['.mxd-search-initial', 'pN', 'pN']
+};
+var sitesWMut = {};
+
+var expire = 90000;
+
+// parse stored data (string) and populate array
+// "text" is used when called from the options page (regenerates string version of data with valid syntax, and keeps comments) 
+function toAr(v, text) {
+    var r = {},
+        t = {},
+        n, RE = /^\s*(\S+)\s*(.*)$/,
+        RE2 = /^(?:"([^"]*?)"|(.+?))(?:\s+(\S.*))?\s*$/,
+        REcmt = /^(\s*\/\/.*|)$/;
+
+    v = v.split('\n');
+    for (let i = 0; i < v.length; i++) {
+        if (text) {
+            n = 'cmt' + i;
+            r[n] = {
+                txt: v[i].replace(/^\s+/, '')
+            };
+        }
+
+        if (REcmt.test(v[i])) {
+            if (text) r[n].cmt = 1;
+            continue;
+        }
+        if (!RE.test(v[i])) continue;
+
+        var k = RegExp.$1;
+
+        if (text && r[k]) {
+            r[r[k].n].cmt = 1;
+        }
+
+        if (text) {
+            r[k] = {
+                n
+            };
+            r[n].k = k;
+        } else r[k] = {};
+
+        if (RegExp.$2 == 'null') {
+            if (text) r[k].null = 1;
+            else r[k] = 0;
+            continue;
+        }
+        var a = [],
+            j = 20,
+            s = RegExp.$2;
+        while (j-- && RE2.test(s)) {
+            s = RegExp.$3;
+            a.push(RegExp.$1 || RegExp.$2);
+        }
+        if (a[0] == '!') {
+            r[k].fb = 1;
+            a.shift();
+        }
+        r[k].length = a.length;
+        Object.assign(r[k], a);
+        if (text) {
+            Object.assign(r[n], a);
+            r[n].length = a.length;
+        }
+    }
+    return r;
+}
+
+function getStor() {
+    var s = toAr(localStorage.sitesWMut || '');
+    sitesWMut = JSON.parse(JSON.stringify(defSitesWMut));
+    for (var k in s) {
+        sitesWMut[k] = s[k];
+    }
+}
+
+getStor();
+
+// receive messages from contentscript
+chrome.runtime.onMessage.addListener(
+    function(request, sender, sendResponse) {
+        if (sender.id != chrome.runtime.id) return; // not from this extension
+        if (request.host) {
+            let s, r = {};
+            if (s = sitesWMut[request.host]) r.siteMut = s;
+            sendResponse(r);
+        }
+    });