Change API documentation headers to be more unique

docs/api_split.pug

@@ -3,6 +3,7 @@ extends layout
 append style
   link(rel="stylesheet", href="/docs/css/api.css")
   script(src="/docs/js/api-bold-current-nav.js")
+  script(src="/docs/js/convert-old-anchorid.js")
 
 block content
   <a class="edit-docs-link" href="#{editLink}" target="_blank">

docs/js/convert-old-anchorid.js

@@ -0,0 +1,71 @@
+'use strict';
+
+window.addEventListener('DOMContentLoaded', () => {
+  const anchor = window.location.hash;
+
+  // only operate on the old id's
+  if (!/^#\w+_\w+(?:-\w+)?$/i.test(anchor)) {
+    return;
+  }
+
+  // in case there is no anchor, return without modifying the anchor
+  if (!anchor) {
+    return;
+  }
+
+  const splits = anchor.split('_');
+
+  // dont modify anything if the splits are not "2"
+  if (splits.length !== 2) {
+    return;
+  }
+
+  const secondSplits = splits[1].split('-');
+
+  let mainName;
+  let propName = '';
+
+  // there are 2 possibilities:
+  // "mongoose_Mongoose-property"
+  // "mongoose_property"
+  if (secondSplits.length === 2) {
+    mainName = secondSplits[0];
+    propName = secondSplits[1];
+  } else {
+    // use the part after the "_" directly, because the before is just a lower-cased version
+    mainName = splits[1];
+    propName = '';
+  }
+
+  // check to ensure those properties are not empty
+  if (!mainName) {
+    return;
+  }
+
+  let tests = [];
+
+  // have to use multiple tests, because the old version did not differentiate between functions and properties
+  if (mainName && propName) {
+    // have to double the tests here, because the old version did not differentiate between static and instance properties
+    tests = [
+      `${mainName}.${propName}`,
+      `${mainName}.${propName}()`,
+
+      `${mainName}.prototype.${propName}`,
+      `${mainName}.prototype.${propName}()`
+    ];
+  } else {
+    tests = [
+      mainName,
+      `${mainName}()`
+    ];
+  }
+
+  for (const test of tests) {
+    // have to use the "[id=]" selector because "#Something()" is not a valid selector (the "()" part)
+    const header = document.querySelector(`h3[id="${test}"]`);
+    if (header) {
+      window.location.hash = `#${test}`;
+    }
+  }
+}, { once: true });

docs/source/api.js

@@ -329,14 +329,7 @@ function parse() {
         ctx.string = ctx.string + '()';
       }
 
-      // Backwards compat anchors
-      if (typeof ctx.constructor === 'string') {
-        ctx.anchorId = `${ctx.constructor.toLowerCase()}_${ctx.constructor}-${ctx.name}`;
-      } else if (typeof ctx.receiver === 'string') {
-        ctx.anchorId = `${ctx.receiver.toLowerCase()}_${ctx.receiver}.${ctx.name}`;
-      } else {
-        ctx.anchorId = `${ctx.name.toLowerCase()}_${ctx.name}`;
-      }
+      ctx.anchorId = ctx.string;
 
       ctx.description = prop.description.full.
         replace(/<br \/>/ig, ' ').