4 files changed, 62 insertions, 13 deletions

diff --git a/src/write/bind-utilities.js b/src/write/bind-utilities.js
index be702c8c..d55ab215 100644
--- a/src/write/bind-utilities.js
+++ b/src/write/bind-utilities.js
@@ -20,8 +20,7 @@ import {
 export function bindUtilities({
   absoluteTo,
   defaultLanguage,
-  getSizeOfAdditionalFile,
-  getSizeOfImagePath,
+  getSizeOfMediaFile,
   language,
   languages,
   missingImagePaths,
@@ -37,8 +36,7 @@ export function bindUtilities({
   Object.assign(bound, {
     absoluteTo,
     defaultLanguage,
-    getSizeOfAdditionalFile,
-    getSizeOfImagePath,
+    getSizeOfMediaFile,
     getThumbnailsAvailableForDimensions,
     html,
     language,
diff --git a/src/write/build-modes/live-dev-server.js b/src/write/build-modes/live-dev-server.js
index f6eec334..dd29c93e 100644
--- a/src/write/build-modes/live-dev-server.js
+++ b/src/write/build-modes/live-dev-server.js
@@ -5,7 +5,9 @@ import * as path from 'node:path';
 import {pipeline} from 'node:stream/promises';
 import {inspect as nodeInspect} from 'node:util';
 
-import {ENABLE_COLOR, colors, logInfo, logWarn, progressCallAll} from '#cli';
+import {openAggregate} from '#aggregate';
+import {ENABLE_COLOR, colors, fileIssue, logInfo, logWarn, progressCallAll}
+  from '#cli';
 import {watchContentDependencies} from '#content-dependencies';
 import {quickEvaluate} from '#content-function';
 import * as html from '#html';
@@ -165,21 +167,47 @@ export async function go({
 
   const commonUtilities = {...universalUtilities};
 
+  const pathAggregate = openAggregate({message: `Errors computing page paths`});
+
   let targetSpecPairs = getPageSpecsWithTargets({wikiData});
-  const pages = progressCallAll(`Computing page data & paths for ${targetSpecPairs.length} targets.`,
+  const pages = progressCallAll(`Computing page paths for ${targetSpecPairs.length} targets.`,
     targetSpecPairs.flatMap(({
       pageSpec,
       target,
       targetless,
     }) => () => {
-      if (targetless) {
-        const result = pageSpec.pathsTargetless({wikiData});
-        return Array.isArray(result) ? result : [result];
-      } else {
-        return pageSpec.pathsForTarget(target);
+      try {
+        if (targetless) {
+          const result = pageSpec.pathsTargetless({wikiData});
+          return Array.isArray(result) ? result : [result];
+        } else {
+          return pageSpec.pathsForTarget(target);
+        }
+      } catch (caughtError) {
+        if (targetless) {
+          pathAggregate.push(new Error(
+            `Failed to compute targetless paths for ` +
+            inspect(pageSpec, {compact: true}),
+            {cause: caughtError}));
+        } else {
+          pathAggregate.push(new Error(
+            `Failed to compute paths for ` +
+            inspect(target),
+            {cause: caughtError}));
+        }
+        return [];
       }
     })).flat();
 
+  try {
+    pathAggregate.close();
+  } catch (error) {
+    niceShowAggregate(error);
+    logWarn`Failed to compute page paths for some targets.`;
+    logWarn`This means some pages that normally exist will be 404s.`;
+    fileIssue();
+  }
+
   logInfo`Will be serving a total of ${pages.length} pages.`;
 
   const urlToPageMap = Object.fromEntries(pages
diff --git a/src/write/build-modes/repl.js b/src/write/build-modes/repl.js
index 957d2c2d..920ad9f7 100644
--- a/src/write/build-modes/repl.js
+++ b/src/write/build-modes/repl.js
@@ -36,6 +36,7 @@ import * as path from 'node:path';
 import * as repl from 'node:repl';
 
 import _find, {bindFind} from '#find';
+import _reverse, {bindReverse} from '#reverse';
 import CacheableObject from '#cacheable-object';
 import {logWarn} from '#cli';
 import {debugComposite} from '#composite';
@@ -66,6 +67,15 @@ export async function getContextAssignments({
     logWarn`\`find\` variable will be missing`;
   }
 
+  let reverse;
+  try {
+    reverse = bindReverse(wikiData);
+  } catch (error) {
+    console.error(error);
+    logWarn`Failed to prepare wikiData-bound reverse() functions`;
+    logWarn`\`reverse\` variable will be missing`;
+  }
+
   const replContext = {
     universalUtilities,
     ...universalUtilities,
@@ -95,6 +105,10 @@ export async function getContextAssignments({
     find,
     bindFind,
 
+    _reverse,
+    reverse,
+    bindReverse,
+
     showAggregate,
   };
 
diff --git a/src/write/build-modes/static-build.js b/src/write/build-modes/static-build.js
index d40e1cb7..3d3c779b 100644
--- a/src/write/build-modes/static-build.js
+++ b/src/write/build-modes/static-build.js
@@ -27,6 +27,7 @@ import {
 } from '#cli';
 
 import {
+  getOrigin,
   getPagePathname,
   getURLsFrom,
   getURLsFromRoot,
@@ -436,12 +437,18 @@ async function writePage({
   ].filter(Boolean));
 }
 
+function filterNoOrigin(route) {
+  return !getOrigin(route.to);
+}
+
 function writeWebRouteSymlinks({
   outputPath,
   webRoutes,
 }) {
   const symlinkRoutes =
-    webRoutes.filter(route => route.statically === 'symlink');
+    webRoutes
+      .filter(route => route.statically === 'symlink')
+      .filter(filterNoOrigin);
 
   const promises =
     symlinkRoutes.map(async route => {
@@ -481,7 +488,9 @@ async function writeWebRouteCopies({
   webRoutes,
 }) {
   const copyRoutes =
-    webRoutes.filter(route => route.statically === 'copy');
+    webRoutes
+      .filter(route => route.statically === 'copy')
+      .filter(filterNoOrigin);
 
   const promises =
     copyRoutes.map(async route => {