« get me outta code hell

hsmusic-wiki - HSMusic - static wiki software cataloguing collaborative creation
about summary refs log tree commit diff
path: root/src/data/composite/wiki-data
diff options
context:
space:
mode:
Diffstat (limited to 'src/data/composite/wiki-data')
-rw-r--r--src/data/composite/wiki-data/exitWithoutContribs.js1
-rw-r--r--src/data/composite/wiki-data/gobbleSoupyFind.js39
-rw-r--r--src/data/composite/wiki-data/gobbleSoupyReverse.js39
-rw-r--r--src/data/composite/wiki-data/helpers/withDirectoryFromName.js (renamed from src/data/composite/wiki-data/withDirectoryFromName.js)3
-rw-r--r--src/data/composite/wiki-data/helpers/withResolvedReverse.js40
-rw-r--r--src/data/composite/wiki-data/helpers/withSimpleDirectory.js52
-rw-r--r--src/data/composite/wiki-data/index.js17
-rw-r--r--src/data/composite/wiki-data/inputNotFoundMode.js9
-rw-r--r--src/data/composite/wiki-data/inputSoupyFind.js28
-rw-r--r--src/data/composite/wiki-data/inputSoupyReverse.js32
-rw-r--r--src/data/composite/wiki-data/inputWikiData.js2
-rw-r--r--src/data/composite/wiki-data/raiseResolvedReferenceList.js96
-rw-r--r--src/data/composite/wiki-data/splitContentNodesAround.js87
-rw-r--r--src/data/composite/wiki-data/withClonedThings.js68
-rw-r--r--src/data/composite/wiki-data/withConstitutedArtwork.js60
-rw-r--r--src/data/composite/wiki-data/withContentNodes.js25
-rw-r--r--src/data/composite/wiki-data/withContributionListSums.js95
-rw-r--r--src/data/composite/wiki-data/withCoverArtDate.js51
-rw-r--r--src/data/composite/wiki-data/withDirectory.js41
-rw-r--r--src/data/composite/wiki-data/withParsedCommentaryEntries.js179
-rw-r--r--src/data/composite/wiki-data/withRecontextualizedContributionList.js100
-rw-r--r--src/data/composite/wiki-data/withRedatedContributionList.js127
-rw-r--r--src/data/composite/wiki-data/withResolvedAnnotatedReferenceList.js100
-rw-r--r--src/data/composite/wiki-data/withResolvedContribs.js128
-rw-r--r--src/data/composite/wiki-data/withResolvedReference.js26
-rw-r--r--src/data/composite/wiki-data/withResolvedReferenceList.js103
-rw-r--r--src/data/composite/wiki-data/withReverseContributionList.js91
-rw-r--r--src/data/composite/wiki-data/withReverseReferenceList.js81
-rw-r--r--src/data/composite/wiki-data/withUniqueReferencingThing.js41
29 files changed, 1273 insertions, 488 deletions
diff --git a/src/data/composite/wiki-data/exitWithoutContribs.js b/src/data/composite/wiki-data/exitWithoutContribs.js
index 2c8219fc..cf52950d 100644
--- a/src/data/composite/wiki-data/exitWithoutContribs.js
+++ b/src/data/composite/wiki-data/exitWithoutContribs.js
@@ -24,6 +24,7 @@ export default templateCompositeFrom({
   steps: () => [
     withResolvedContribs({
       from: input('contribs'),
+      date: input.value(null),
     }),
 
     // TODO: Fairly certain exitWithoutDependency would be sufficient here.
diff --git a/src/data/composite/wiki-data/gobbleSoupyFind.js b/src/data/composite/wiki-data/gobbleSoupyFind.js
new file mode 100644
index 00000000..aec3f5b1
--- /dev/null
+++ b/src/data/composite/wiki-data/gobbleSoupyFind.js
@@ -0,0 +1,39 @@
+import {input, templateCompositeFrom} from '#composite';
+
+import {withPropertyFromObject} from '#composite/data';
+
+import inputSoupyFind, {getSoupyFindInputKey} from './inputSoupyFind.js';
+
+export default templateCompositeFrom({
+  annotation: `gobbleSoupyFind`,
+
+  inputs: {
+    find: inputSoupyFind(),
+  },
+
+  outputs: ['#find'],
+
+  steps: () => [
+    {
+      dependencies: [input('find')],
+      compute: (continuation, {
+        [input('find')]: find,
+      }) =>
+        (typeof find === 'function'
+          ? continuation.raiseOutput({
+              ['#find']: find,
+            })
+          : continuation({
+              ['#key']:
+                getSoupyFindInputKey(find),
+            })),
+    },
+
+    withPropertyFromObject({
+      object: 'find',
+      property: '#key',
+    }).outputs({
+      '#value': '#find',
+    }),
+  ],
+});
diff --git a/src/data/composite/wiki-data/gobbleSoupyReverse.js b/src/data/composite/wiki-data/gobbleSoupyReverse.js
new file mode 100644
index 00000000..86a1061c
--- /dev/null
+++ b/src/data/composite/wiki-data/gobbleSoupyReverse.js
@@ -0,0 +1,39 @@
+import {input, templateCompositeFrom} from '#composite';
+
+import {withPropertyFromObject} from '#composite/data';
+
+import inputSoupyReverse, {getSoupyReverseInputKey} from './inputSoupyReverse.js';
+
+export default templateCompositeFrom({
+  annotation: `gobbleSoupyReverse`,
+
+  inputs: {
+    reverse: inputSoupyReverse(),
+  },
+
+  outputs: ['#reverse'],
+
+  steps: () => [
+    {
+      dependencies: [input('reverse')],
+      compute: (continuation, {
+        [input('reverse')]: reverse,
+      }) =>
+        (typeof reverse === 'function'
+          ? continuation.raiseOutput({
+              ['#reverse']: reverse,
+            })
+          : continuation({
+              ['#key']:
+                getSoupyReverseInputKey(reverse),
+            })),
+    },
+
+    withPropertyFromObject({
+      object: 'reverse',
+      property: '#key',
+    }).outputs({
+      '#value': '#reverse',
+    }),
+  ],
+});
diff --git a/src/data/composite/wiki-data/withDirectoryFromName.js b/src/data/composite/wiki-data/helpers/withDirectoryFromName.js
index 034464e4..f85dae16 100644
--- a/src/data/composite/wiki-data/withDirectoryFromName.js
+++ b/src/data/composite/wiki-data/helpers/withDirectoryFromName.js
@@ -1,4 +1,4 @@
-// Compute a directory from a name - by default the current thing's own name.
+// Compute a directory from a name.
 
 import {input, templateCompositeFrom} from '#composite';
 
@@ -13,7 +13,6 @@ export default templateCompositeFrom({
   inputs: {
     name: input({
       validate: isName,
-      defaultDependency: 'name',
       acceptsNull: true,
     }),
   },
diff --git a/src/data/composite/wiki-data/helpers/withResolvedReverse.js b/src/data/composite/wiki-data/helpers/withResolvedReverse.js
new file mode 100644
index 00000000..818f60b7
--- /dev/null
+++ b/src/data/composite/wiki-data/helpers/withResolvedReverse.js
@@ -0,0 +1,40 @@
+// Actually execute a reverse function.
+
+import {input, templateCompositeFrom} from '#composite';
+
+import inputWikiData from '../inputWikiData.js';
+
+export default templateCompositeFrom({
+  annotation: `withReverseReferenceList`,
+
+  inputs: {
+    data: inputWikiData({allowMixedTypes: true}),
+    reverse: input({type: 'function'}),
+    options: input({type: 'object', defaultValue: null}),
+  },
+
+  outputs: ['#resolvedReverse'],
+
+  steps: () => [
+    {
+      dependencies: [
+        input.myself(),
+        input('data'),
+        input('reverse'),
+        input('options'),
+      ],
+
+      compute: (continuation, {
+        [input.myself()]: myself,
+        [input('data')]: data,
+        [input('reverse')]: reverseFunction,
+        [input('options')]: opts,
+      }) => continuation({
+        ['#resolvedReverse']:
+          (data
+            ? reverseFunction(myself, data, opts)
+            : reverseFunction(myself, opts)),
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/helpers/withSimpleDirectory.js b/src/data/composite/wiki-data/helpers/withSimpleDirectory.js
new file mode 100644
index 00000000..08ca3bfc
--- /dev/null
+++ b/src/data/composite/wiki-data/helpers/withSimpleDirectory.js
@@ -0,0 +1,52 @@
+// A "simple" directory, based only on the already-provided directory, if
+// available, or the provided name.
+
+import {input, templateCompositeFrom} from '#composite';
+
+import {isDirectory, isName} from '#validators';
+
+import {withResultOfAvailabilityCheck} from '#composite/control-flow';
+
+import withDirectoryFromName from './withDirectoryFromName.js';
+
+export default templateCompositeFrom({
+  annotation: `withSimpleDirectory`,
+
+  inputs: {
+    directory: input({
+      validate: isDirectory,
+      defaultDependency: 'directory',
+      acceptsNull: true,
+    }),
+
+    name: input({
+      validate: isName,
+      acceptsNull: true,
+    }),
+  },
+
+  outputs: ['#directory'],
+
+  steps: () => [
+    withResultOfAvailabilityCheck({
+      from: input('directory'),
+    }),
+
+    {
+      dependencies: ['#availability', input('directory')],
+      compute: (continuation, {
+        ['#availability']: availability,
+        [input('directory')]: directory,
+      }) =>
+        (availability
+          ? continuation.raiseOutput({
+              ['#directory']: directory
+            })
+          : continuation()),
+    },
+
+    withDirectoryFromName({
+      name: input('name'),
+    }),
+  ],
+});
diff --git a/src/data/composite/wiki-data/index.js b/src/data/composite/wiki-data/index.js
index 15ebaffa..38afc2ac 100644
--- a/src/data/composite/wiki-data/index.js
+++ b/src/data/composite/wiki-data/index.js
@@ -5,14 +5,25 @@
 //
 
 export {default as exitWithoutContribs} from './exitWithoutContribs.js';
+export {default as gobbleSoupyFind} from './gobbleSoupyFind.js';
+export {default as gobbleSoupyReverse} from './gobbleSoupyReverse.js';
+export {default as inputNotFoundMode} from './inputNotFoundMode.js';
+export {default as inputSoupyFind} from './inputSoupyFind.js';
+export {default as inputSoupyReverse} from './inputSoupyReverse.js';
 export {default as inputWikiData} from './inputWikiData.js';
+export {default as splitContentNodesAround} from './splitContentNodesAround.js';
+export {default as withClonedThings} from './withClonedThings.js';
+export {default as withConstitutedArtwork} from './withConstitutedArtwork.js';
+export {default as withContentNodes} from './withContentNodes.js';
+export {default as withContributionListSums} from './withContributionListSums.js';
+export {default as withCoverArtDate} from './withCoverArtDate.js';
 export {default as withDirectory} from './withDirectory.js';
-export {default as withDirectoryFromName} from './withDirectoryFromName.js';
-export {default as withParsedCommentaryEntries} from './withParsedCommentaryEntries.js';
+export {default as withRecontextualizedContributionList} from './withRecontextualizedContributionList.js';
+export {default as withRedatedContributionList} from './withRedatedContributionList.js';
+export {default as withResolvedAnnotatedReferenceList} from './withResolvedAnnotatedReferenceList.js';
 export {default as withResolvedContribs} from './withResolvedContribs.js';
 export {default as withResolvedReference} from './withResolvedReference.js';
 export {default as withResolvedReferenceList} from './withResolvedReferenceList.js';
-export {default as withReverseContributionList} from './withReverseContributionList.js';
 export {default as withReverseReferenceList} from './withReverseReferenceList.js';
 export {default as withThingsSortedAlphabetically} from './withThingsSortedAlphabetically.js';
 export {default as withUniqueReferencingThing} from './withUniqueReferencingThing.js';
diff --git a/src/data/composite/wiki-data/inputNotFoundMode.js b/src/data/composite/wiki-data/inputNotFoundMode.js
new file mode 100644
index 00000000..d16b2472
--- /dev/null
+++ b/src/data/composite/wiki-data/inputNotFoundMode.js
@@ -0,0 +1,9 @@
+import {input} from '#composite';
+import {is} from '#validators';
+
+export default function inputNotFoundMode() {
+  return input({
+    validate: is('exit', 'filter', 'null'),
+    defaultValue: 'filter',
+  });
+}
diff --git a/src/data/composite/wiki-data/inputSoupyFind.js b/src/data/composite/wiki-data/inputSoupyFind.js
new file mode 100644
index 00000000..020f4990
--- /dev/null
+++ b/src/data/composite/wiki-data/inputSoupyFind.js
@@ -0,0 +1,28 @@
+import {input} from '#composite';
+import {anyOf, isFunction, isString} from '#validators';
+
+function inputSoupyFind() {
+  return input({
+    validate:
+      anyOf(
+        isFunction,
+        val => {
+          isString(val);
+
+          if (!val.startsWith('_soupyFind:')) {
+            throw new Error(`Expected soupyFind.input() token`);
+          }
+
+          return true;
+        }),
+  });
+}
+
+inputSoupyFind.input = key =>
+  input.value('_soupyFind:' + key);
+
+export default inputSoupyFind;
+
+export function getSoupyFindInputKey(value) {
+  return value.slice('_soupyFind:'.length);
+}
diff --git a/src/data/composite/wiki-data/inputSoupyReverse.js b/src/data/composite/wiki-data/inputSoupyReverse.js
new file mode 100644
index 00000000..0b0a23fe
--- /dev/null
+++ b/src/data/composite/wiki-data/inputSoupyReverse.js
@@ -0,0 +1,32 @@
+import {input} from '#composite';
+import {anyOf, isFunction, isString} from '#validators';
+
+function inputSoupyReverse() {
+  return input({
+    validate:
+      anyOf(
+        isFunction,
+        val => {
+          isString(val);
+
+          if (!val.startsWith('_soupyReverse:')) {
+            throw new Error(`Expected soupyReverse.input() token`);
+          }
+
+          return true;
+        }),
+  });
+}
+
+inputSoupyReverse.input = key =>
+  input.value('_soupyReverse:' + key);
+
+export default inputSoupyReverse;
+
+export function getSoupyReverseInputKey(value) {
+  return value.slice('_soupyReverse:'.length).replace(/\.unique$/, '');
+}
+
+export function doesSoupyReverseInputWantUnique(value) {
+  return value.endsWith('.unique');
+}
diff --git a/src/data/composite/wiki-data/inputWikiData.js b/src/data/composite/wiki-data/inputWikiData.js
index cf7a7c2c..b9021986 100644
--- a/src/data/composite/wiki-data/inputWikiData.js
+++ b/src/data/composite/wiki-data/inputWikiData.js
@@ -12,6 +12,6 @@ export default function inputWikiData({
 } = {}) {
   return input({
     validate: validateWikiData({referenceType, allowMixedTypes}),
-    acceptsNull: true,
+    defaultValue: null,
   });
 }
diff --git a/src/data/composite/wiki-data/raiseResolvedReferenceList.js b/src/data/composite/wiki-data/raiseResolvedReferenceList.js
new file mode 100644
index 00000000..613b002b
--- /dev/null
+++ b/src/data/composite/wiki-data/raiseResolvedReferenceList.js
@@ -0,0 +1,96 @@
+// Concludes compositions like withResolvedReferenceList, which share behavior
+// in processing the resolved results before continuing further.
+
+import {input, templateCompositeFrom} from '#composite';
+
+import {withFilteredList} from '#composite/data';
+
+import inputNotFoundMode from './inputNotFoundMode.js';
+
+export default templateCompositeFrom({
+  inputs: {
+    notFoundMode: inputNotFoundMode(),
+
+    results: input({type: 'array'}),
+    filter: input({type: 'array'}),
+
+    exitValue: input({defaultValue: []}),
+
+    outputs: input.staticValue({type: 'string'}),
+  },
+
+  outputs: ({
+    [input.staticValue('outputs')]: outputs,
+  }) => [outputs],
+
+  steps: () => [
+    {
+      dependencies: [
+        input('results'),
+        input('filter'),
+        input('outputs'),
+      ],
+
+      compute: (continuation, {
+        [input('results')]: results,
+        [input('filter')]: filter,
+        [input('outputs')]: outputs,
+      }) =>
+        (filter.every(keep => keep)
+          ? continuation.raiseOutput({[outputs]: results})
+          : continuation()),
+    },
+
+    {
+      dependencies: [
+        input('notFoundMode'),
+        input('exitValue'),
+      ],
+
+      compute: (continuation, {
+        [input('notFoundMode')]: notFoundMode,
+        [input('exitValue')]: exitValue,
+      }) =>
+        (notFoundMode === 'exit'
+          ? continuation.exit(exitValue)
+          : continuation()),
+    },
+
+    {
+      dependencies: [
+        input('results'),
+        input('notFoundMode'),
+        input('outputs'),
+      ],
+
+      compute: (continuation, {
+        [input('results')]: results,
+        [input('notFoundMode')]: notFoundMode,
+        [input('outputs')]: outputs,
+      }) =>
+        (notFoundMode === 'null'
+          ? continuation.raiseOutput({[outputs]: results})
+          : continuation()),
+    },
+
+    withFilteredList({
+      list: input('results'),
+      filter: input('filter'),
+    }),
+
+    {
+      dependencies: [
+        '#filteredList',
+        input('outputs'),
+      ],
+
+      compute: (continuation, {
+        ['#filteredList']: filteredList,
+        [input('outputs')]: outputs,
+      }) => continuation({
+        [outputs]:
+          filteredList,
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/splitContentNodesAround.js b/src/data/composite/wiki-data/splitContentNodesAround.js
new file mode 100644
index 00000000..6648d8e1
--- /dev/null
+++ b/src/data/composite/wiki-data/splitContentNodesAround.js
@@ -0,0 +1,87 @@
+import {input, templateCompositeFrom} from '#composite';
+import {splitContentNodesAround} from '#replacer';
+import {anyOf, isFunction, validateInstanceOf} from '#validators';
+
+import {withFilteredList, withMappedList, withUnflattenedList}
+  from '#composite/data';
+
+export default templateCompositeFrom({
+  annotation: `splitContentNodesAround`,
+
+  inputs: {
+    nodes: input({type: 'array'}),
+
+    around: input({
+      validate:
+        anyOf(isFunction, validateInstanceOf(RegExp)),
+    }),
+  },
+
+  outputs: ['#contentNodeLists'],
+
+  steps: () => [
+    {
+      dependencies: [input('nodes'), input('around')],
+
+      compute: (continuation, {
+        [input('nodes')]: nodes,
+        [input('around')]: splitter,
+      }) => continuation({
+        ['#nodes']:
+          Array.from(splitContentNodesAround(nodes, splitter)),
+      }),
+    },
+
+    withMappedList({
+      list: '#nodes',
+      map: input.value(node => node.type === 'separator'),
+    }).outputs({
+      '#mappedList': '#separatorFilter',
+    }),
+
+    withMappedList({
+      list: '#separatorFilter',
+      filter: '#separatorFilter',
+      map: input.value((_node, index) => index),
+    }),
+
+    withFilteredList({
+      list: '#mappedList',
+      filter: '#separatorFilter',
+    }).outputs({
+      '#filteredList': '#separatorIndices',
+    }),
+
+    {
+      dependencies: ['#nodes', '#separatorFilter'],
+
+      compute: (continuation, {
+        ['#nodes']: nodes,
+        ['#separatorFilter']: separatorFilter,
+      }) => continuation({
+        ['#nodes']:
+          nodes.map((node, index) =>
+            (separatorFilter[index]
+              ? null
+              : node)),
+      }),
+    },
+
+    {
+      dependencies: ['#separatorIndices'],
+      compute: (continuation, {
+        ['#separatorIndices']: separatorIndices,
+      }) => continuation({
+        ['#unflattenIndices']:
+          [0, ...separatorIndices],
+      }),
+    },
+
+    withUnflattenedList({
+      list: '#nodes',
+      indices: '#unflattenIndices',
+    }).outputs({
+      '#unflattenedList': '#contentNodeLists',
+    }),
+  ],
+});
diff --git a/src/data/composite/wiki-data/withClonedThings.js b/src/data/composite/wiki-data/withClonedThings.js
new file mode 100644
index 00000000..9af6aa84
--- /dev/null
+++ b/src/data/composite/wiki-data/withClonedThings.js
@@ -0,0 +1,68 @@
+// Clones all the things in a list. If the 'assign' input is provided,
+// all new things are assigned the same specified properties. If the
+// 'assignEach' input is provided, each new thing is assigned the
+// corresponding properties.
+
+import CacheableObject from '#cacheable-object';
+import {input, templateCompositeFrom} from '#composite';
+import {isObject, sparseArrayOf} from '#validators';
+
+import {withMappedList} from '#composite/data';
+
+export default templateCompositeFrom({
+  annotation: `withClonedThings`,
+
+  inputs: {
+    things: input({type: 'array'}),
+
+    assign: input({
+      type: 'object',
+      defaultValue: null,
+    }),
+
+    assignEach: input({
+      validate: sparseArrayOf(isObject),
+      defaultValue: null,
+    }),
+  },
+
+  outputs: ['#clonedThings'],
+
+  steps: () => [
+    {
+      dependencies: [input('assign'), input('assignEach')],
+      compute: (continuation, {
+        [input('assign')]: assign,
+        [input('assignEach')]: assignEach,
+      }) => continuation({
+        ['#assignmentMap']:
+          (index) =>
+            (assign && assignEach
+              ? {...assignEach[index] ?? {}, ...assign}
+           : assignEach
+              ? assignEach[index] ?? {}
+              : assign ?? {}),
+      }),
+    },
+
+    {
+      dependencies: ['#assignmentMap'],
+      compute: (continuation, {
+        ['#assignmentMap']: assignmentMap,
+      }) => continuation({
+        ['#cloningMap']:
+          (thing, index) =>
+            Object.assign(
+              CacheableObject.clone(thing),
+              assignmentMap(index)),
+      }),
+    },
+
+    withMappedList({
+      list: input('things'),
+      map: '#cloningMap',
+    }).outputs({
+      '#mappedList': '#clonedThings',
+    }),
+  ],
+});
diff --git a/src/data/composite/wiki-data/withConstitutedArtwork.js b/src/data/composite/wiki-data/withConstitutedArtwork.js
new file mode 100644
index 00000000..28d719e2
--- /dev/null
+++ b/src/data/composite/wiki-data/withConstitutedArtwork.js
@@ -0,0 +1,60 @@
+import {input, templateCompositeFrom} from '#composite';
+import thingConstructors from '#things';
+
+export default templateCompositeFrom({
+  annotation: `withConstitutedArtwork`,
+
+  inputs: {
+    thingProperty: input({type: 'string', acceptsNull: true}),
+    dimensionsFromThingProperty: input({type: 'string', acceptsNull: true}),
+    fileExtensionFromThingProperty: input({type: 'string', acceptsNull: true}),
+    dateFromThingProperty: input({type: 'string', acceptsNull: true}),
+    artistContribsFromThingProperty: input({type: 'string', acceptsNull: true}),
+    artistContribsArtistProperty: input({type: 'string', acceptsNull: true}),
+    artTagsFromThingProperty: input({type: 'string', acceptsNull: true}),
+    referencedArtworksFromThingProperty: input({type: 'string', acceptsNull: true}),
+  },
+
+  outputs: ['#constitutedArtwork'],
+
+  steps: () => [
+    {
+      dependencies: [
+        input.myself(),
+        input('thingProperty'),
+        input('dimensionsFromThingProperty'),
+        input('fileExtensionFromThingProperty'),
+        input('dateFromThingProperty'),
+        input('artistContribsFromThingProperty'),
+        input('artistContribsArtistProperty'),
+        input('artTagsFromThingProperty'),
+        input('referencedArtworksFromThingProperty'),
+      ],
+
+      compute: (continuation, {
+        [input.myself()]: myself,
+        [input('thingProperty')]: thingProperty,
+        [input('dimensionsFromThingProperty')]: dimensionsFromThingProperty,
+        [input('fileExtensionFromThingProperty')]: fileExtensionFromThingProperty,
+        [input('dateFromThingProperty')]: dateFromThingProperty,
+        [input('artistContribsFromThingProperty')]: artistContribsFromThingProperty,
+        [input('artistContribsArtistProperty')]: artistContribsArtistProperty,
+        [input('artTagsFromThingProperty')]: artTagsFromThingProperty,
+        [input('referencedArtworksFromThingProperty')]: referencedArtworksFromThingProperty,
+      }) => continuation({
+        ['#constitutedArtwork']:
+          Object.assign(new thingConstructors.Artwork, {
+            thing: myself,
+            thingProperty,
+            dimensionsFromThingProperty,
+            fileExtensionFromThingProperty,
+            artistContribsFromThingProperty,
+            artistContribsArtistProperty,
+            artTagsFromThingProperty,
+            dateFromThingProperty,
+            referencedArtworksFromThingProperty,
+          }),
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/withContentNodes.js b/src/data/composite/wiki-data/withContentNodes.js
new file mode 100644
index 00000000..d014d43b
--- /dev/null
+++ b/src/data/composite/wiki-data/withContentNodes.js
@@ -0,0 +1,25 @@
+import {input, templateCompositeFrom} from '#composite';
+import {parseContentNodes} from '#replacer';
+
+export default templateCompositeFrom({
+  annotation: `withContentNodes`,
+
+  inputs: {
+    from: input({type: 'string', acceptsNull: false}),
+  },
+
+  outputs: ['#contentNodes'],
+
+  steps: () => [
+    {
+      dependencies: [input('from')],
+
+      compute: (continuation, {
+        [input('from')]: string,
+      }) => continuation({
+        ['#contentNodes']:
+          parseContentNodes(string),
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/withContributionListSums.js b/src/data/composite/wiki-data/withContributionListSums.js
new file mode 100644
index 00000000..b4f36361
--- /dev/null
+++ b/src/data/composite/wiki-data/withContributionListSums.js
@@ -0,0 +1,95 @@
+// Gets the total duration and contribution count from a list of contributions,
+// respecting their `countInContributionTotals` and `countInDurationTotals`
+// flags.
+
+import {input, templateCompositeFrom} from '#composite';
+
+import {
+  withFilteredList,
+  withPropertiesFromList,
+  withPropertyFromList,
+  withSum,
+  withUniqueItemsOnly,
+} from '#composite/data';
+
+export default templateCompositeFrom({
+  annotation: `withContributionListSums`,
+
+  inputs: {
+    list: input({type: 'array'}),
+  },
+
+  outputs: [
+    '#contributionListCount',
+    '#contributionListDuration',
+  ],
+
+  steps: () => [
+    withPropertiesFromList({
+      list: input('list'),
+      properties: input.value([
+        'countInContributionTotals',
+        'countInDurationTotals',
+      ]),
+    }),
+
+    withFilteredList({
+      list: input('list'),
+      filter: '#list.countInContributionTotals',
+    }).outputs({
+      '#filteredList': '#contributionsForCounting',
+    }),
+
+    withFilteredList({
+      list: input('list'),
+      filter: '#list.countInDurationTotals',
+    }).outputs({
+      '#filteredList': '#contributionsForDuration',
+    }),
+
+    {
+      dependencies: ['#contributionsForCounting'],
+      compute: (continuation, {
+        ['#contributionsForCounting']: contributionsForCounting,
+      }) => continuation({
+        ['#count']:
+          contributionsForCounting.length,
+      }),
+    },
+
+    withPropertyFromList({
+      list: '#contributionsForDuration',
+      property: input.value('thing'),
+    }),
+
+    // Don't double-up the durations for a track where the artist has multiple
+    // contributions.
+    withUniqueItemsOnly({
+      list: '#contributionsForDuration.thing',
+    }),
+
+    withPropertyFromList({
+      list: '#contributionsForDuration.thing',
+      property: input.value('duration'),
+    }).outputs({
+      '#contributionsForDuration.thing.duration': '#durationValues',
+    }),
+
+    withSum({
+      values: '#durationValues',
+    }).outputs({
+      '#sum': '#duration',
+    }),
+
+    {
+      dependencies: ['#count', '#duration'],
+      compute: (continuation, {
+        ['#count']: count,
+        ['#duration']: duration,
+      }) => continuation({
+        ['#contributionListCount']: count,
+        ['#contributionListDuration']: duration,
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/withCoverArtDate.js b/src/data/composite/wiki-data/withCoverArtDate.js
new file mode 100644
index 00000000..a114d5ff
--- /dev/null
+++ b/src/data/composite/wiki-data/withCoverArtDate.js
@@ -0,0 +1,51 @@
+import {input, templateCompositeFrom} from '#composite';
+import {isDate} from '#validators';
+
+import {raiseOutputWithoutDependency} from '#composite/control-flow';
+
+import withResolvedContribs from './withResolvedContribs.js';
+
+export default templateCompositeFrom({
+  annotation: `withCoverArtDate`,
+
+  inputs: {
+    from: input({
+      validate: isDate,
+      defaultDependency: 'coverArtDate',
+      acceptsNull: true,
+    }),
+  },
+
+  outputs: ['#coverArtDate'],
+
+  steps: () => [
+    withResolvedContribs({
+      from: 'coverArtistContribs',
+      date: input.value(null),
+    }),
+
+    raiseOutputWithoutDependency({
+      dependency: '#resolvedContribs',
+      mode: input.value('empty'),
+      output: input.value({'#coverArtDate': null}),
+    }),
+
+    {
+      dependencies: [input('from')],
+      compute: (continuation, {
+        [input('from')]: from,
+      }) =>
+        (from
+          ? continuation.raiseOutput({'#coverArtDate': from})
+          : continuation()),
+    },
+
+    {
+      dependencies: ['date'],
+      compute: (continuation, {date}) =>
+        (date
+          ? continuation({'#coverArtDate': date})
+          : continuation({'#coverArtDate': null})),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/withDirectory.js b/src/data/composite/wiki-data/withDirectory.js
index b08b6153..f3bedf2e 100644
--- a/src/data/composite/wiki-data/withDirectory.js
+++ b/src/data/composite/wiki-data/withDirectory.js
@@ -7,9 +7,9 @@ import {input, templateCompositeFrom} from '#composite';
 
 import {isDirectory, isName} from '#validators';
 
-import {withResultOfAvailabilityCheck} from '#composite/control-flow';
+import {raiseOutputWithoutDependency} from '#composite/control-flow';
 
-import withDirectoryFromName from './withDirectoryFromName.js';
+import withSimpleDirectory from './helpers/withSimpleDirectory.js';
 
 export default templateCompositeFrom({
   annotation: `withDirectory`,
@@ -26,30 +26,37 @@ export default templateCompositeFrom({
       defaultDependency: 'name',
       acceptsNull: true,
     }),
+
+    suffix: input({
+      validate: isDirectory,
+      defaultValue: null,
+    }),
   },
 
   outputs: ['#directory'],
 
   steps: () => [
-    withResultOfAvailabilityCheck({
-      from: input('directory'),
+    withSimpleDirectory({
+      directory: input('directory'),
+      name: input('name'),
+    }),
+
+    raiseOutputWithoutDependency({
+      dependency: '#directory',
+      output: input.value({['#directory']: null}),
     }),
 
     {
-      dependencies: ['#availability', input('directory')],
+      dependencies: ['#directory', input('suffix')],
       compute: (continuation, {
-        ['#availability']: availability,
-        [input('directory')]: directory,
-      }) =>
-        (availability
-          ? continuation.raiseOutput({
-              ['#directory']: directory
-            })
-          : continuation()),
+        ['#directory']: directory,
+        [input('suffix')]: suffix,
+      }) => continuation({
+        ['#directory']:
+          (suffix
+            ? directory + '-' + suffix
+            : directory),
+      }),
     },
-
-    withDirectoryFromName({
-      name: input('name'),
-    }),
   ],
 });
diff --git a/src/data/composite/wiki-data/withParsedCommentaryEntries.js b/src/data/composite/wiki-data/withParsedCommentaryEntries.js
deleted file mode 100644
index f0404a5d..00000000
--- a/src/data/composite/wiki-data/withParsedCommentaryEntries.js
+++ /dev/null
@@ -1,179 +0,0 @@
-import {input, templateCompositeFrom} from '#composite';
-import find from '#find';
-import {stitchArrays} from '#sugar';
-import {isCommentary} from '#validators';
-import {commentaryRegexCaseSensitive} from '#wiki-data';
-
-import {
-  fillMissingListItems,
-  withFlattenedList,
-  withPropertiesFromList,
-  withUnflattenedList,
-} from '#composite/data';
-
-import withResolvedReferenceList from './withResolvedReferenceList.js';
-
-export default templateCompositeFrom({
-  annotation: `withParsedCommentaryEntries`,
-
-  inputs: {
-    from: input({validate: isCommentary}),
-  },
-
-  outputs: ['#parsedCommentaryEntries'],
-
-  steps: () => [
-    {
-      dependencies: [input('from')],
-
-      compute: (continuation, {
-        [input('from')]: commentaryText,
-      }) => continuation({
-        ['#rawMatches']:
-          Array.from(commentaryText.matchAll(commentaryRegexCaseSensitive)),
-      }),
-    },
-
-    withPropertiesFromList({
-      list: '#rawMatches',
-      properties: input.value([
-        '0', // The entire match as a string.
-        'groups',
-        'index',
-      ]),
-    }).outputs({
-      '#rawMatches.0': '#rawMatches.text',
-      '#rawMatches.groups': '#rawMatches.groups',
-      '#rawMatches.index': '#rawMatches.startIndex',
-    }),
-
-    {
-      dependencies: [
-        '#rawMatches.text',
-        '#rawMatches.startIndex',
-      ],
-
-      compute: (continuation, {
-        ['#rawMatches.text']: text,
-        ['#rawMatches.startIndex']: startIndex,
-      }) => continuation({
-        ['#rawMatches.endIndex']:
-          stitchArrays({text, startIndex})
-            .map(({text, startIndex}) => startIndex + text.length),
-      }),
-    },
-
-    {
-      dependencies: [
-        input('from'),
-        '#rawMatches.startIndex',
-        '#rawMatches.endIndex',
-      ],
-
-      compute: (continuation, {
-        [input('from')]: commentaryText,
-        ['#rawMatches.startIndex']: startIndex,
-        ['#rawMatches.endIndex']: endIndex,
-      }) => continuation({
-        ['#entries.body']:
-          stitchArrays({startIndex, endIndex})
-            .map(({endIndex}, index, stitched) =>
-              (index === stitched.length - 1
-                ? commentaryText.slice(endIndex)
-                : commentaryText.slice(
-                    endIndex,
-                    stitched[index + 1].startIndex)))
-            .map(body => body.trim()),
-      }),
-    },
-
-    withPropertiesFromList({
-      list: '#rawMatches.groups',
-      prefix: input.value('#entries'),
-      properties: input.value([
-        'artistReferences',
-        'artistDisplayText',
-        'annotation',
-        'date',
-      ]),
-    }),
-
-    // The artistReferences group will always have a value, since it's required
-    // for the line to match in the first place.
-
-    {
-      dependencies: ['#entries.artistReferences'],
-      compute: (continuation, {
-        ['#entries.artistReferences']: artistReferenceTexts,
-      }) => continuation({
-        ['#entries.artistReferences']:
-          artistReferenceTexts
-            .map(text => text.split(',').map(ref => ref.trim())),
-      }),
-    },
-
-    withFlattenedList({
-      list: '#entries.artistReferences',
-    }),
-
-    withResolvedReferenceList({
-      list: '#flattenedList',
-      data: 'artistData',
-      find: input.value(find.artist),
-      notFoundMode: input.value('null'),
-    }),
-
-    withUnflattenedList({
-      list: '#resolvedReferenceList',
-    }).outputs({
-      '#unflattenedList': '#entries.artists',
-    }),
-
-    fillMissingListItems({
-      list: '#entries.artistDisplayText',
-      fill: input.value(null),
-    }),
-
-    fillMissingListItems({
-      list: '#entries.annotation',
-      fill: input.value(null),
-    }),
-
-    {
-      dependencies: ['#entries.date'],
-      compute: (continuation, {
-        ['#entries.date']: date,
-      }) => continuation({
-        ['#entries.date']:
-          date.map(date => date ? new Date(date) : null),
-      }),
-    },
-
-    {
-      dependencies: [
-        '#entries.artists',
-        '#entries.artistDisplayText',
-        '#entries.annotation',
-        '#entries.date',
-        '#entries.body',
-      ],
-
-      compute: (continuation, {
-        ['#entries.artists']: artists,
-        ['#entries.artistDisplayText']: artistDisplayText,
-        ['#entries.annotation']: annotation,
-        ['#entries.date']: date,
-        ['#entries.body']: body,
-      }) => continuation({
-        ['#parsedCommentaryEntries']:
-          stitchArrays({
-            artists,
-            artistDisplayText,
-            annotation,
-            date,
-            body,
-          }),
-      }),
-    },
-  ],
-});
diff --git a/src/data/composite/wiki-data/withRecontextualizedContributionList.js b/src/data/composite/wiki-data/withRecontextualizedContributionList.js
new file mode 100644
index 00000000..bcc6e486
--- /dev/null
+++ b/src/data/composite/wiki-data/withRecontextualizedContributionList.js
@@ -0,0 +1,100 @@
+// Clones all the contributions in a list, with thing and thingProperty both
+// updated to match the current thing. Overwrites the provided dependency.
+// Optionally updates artistProperty as well. Doesn't do anything if
+// the provided dependency is null.
+//
+// See also:
+//  - withRedatedContributionList
+//
+
+import {input, templateCompositeFrom} from '#composite';
+import {isStringNonEmpty} from '#validators';
+
+import {withClonedThings} from '#composite/wiki-data';
+
+export default templateCompositeFrom({
+  annotation: `withRecontextualizedContributionList`,
+
+  inputs: {
+    list: input.staticDependency({
+      type: 'array',
+      acceptsNull: true,
+    }),
+
+    artistProperty: input({
+      validate: isStringNonEmpty,
+      defaultValue: null,
+    }),
+  },
+
+  outputs: ({
+    [input.staticDependency('list')]: list,
+  }) => [list],
+
+  steps: () => [
+    // TODO: Is raiseOutputWithoutDependency workable here?
+    // Is it true that not specifying any output wouldn't overwrite
+    // the provided dependency?
+    {
+      dependencies: [
+        input.staticDependency('list'),
+        input('list'),
+      ],
+
+      compute: (continuation, {
+        [input.staticDependency('list')]: dependency,
+        [input('list')]: list,
+      }) =>
+        (list
+          ? continuation()
+          : continuation.raiseOutput({
+              [dependency]: list,
+            })),
+    },
+
+    {
+      dependencies: [
+        input.myself(),
+        input.thisProperty(),
+        input('artistProperty'),
+      ],
+
+      compute: (continuation, {
+        [input.myself()]: myself,
+        [input.thisProperty()]: thisProperty,
+        [input('artistProperty')]: artistProperty,
+      }) => continuation({
+        ['#assignment']:
+          Object.assign(
+            {thing: myself},
+            {thingProperty: thisProperty},
+
+            (artistProperty
+              ? {artistProperty}
+              : {})),
+      }),
+    },
+
+    withClonedThings({
+      things: input('list'),
+      assign: '#assignment',
+    }).outputs({
+      '#clonedThings': '#newContributions',
+    }),
+
+    {
+      dependencies: [
+        input.staticDependency('list'),
+        '#newContributions',
+      ],
+
+      compute: (continuation, {
+        [input.staticDependency('list')]: listDependency,
+        ['#newContributions']: newContributions,
+      }) => continuation({
+        [listDependency]:
+          newContributions,
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/withRedatedContributionList.js b/src/data/composite/wiki-data/withRedatedContributionList.js
new file mode 100644
index 00000000..12f3e16b
--- /dev/null
+++ b/src/data/composite/wiki-data/withRedatedContributionList.js
@@ -0,0 +1,127 @@
+// Clones all the contributions in a list, with date updated to the provided
+// value. Overwrites the provided dependency. Doesn't do anything if the
+// provided dependency is null, or the provided date is null.
+//
+// If 'override' is true (the default), then so long as the provided date has
+// a value at all, it's always written onto the (cloned) contributions.
+//
+// If 'override' is false, and any of the contributions were already dated,
+// those will keep their existing dates.
+//
+// See also:
+//  - withRecontextualizedContributionList
+//
+
+import {input, templateCompositeFrom} from '#composite';
+import {isDate} from '#validators';
+
+import {withMappedList, withPropertyFromList} from '#composite/data';
+import {withClonedThings} from '#composite/wiki-data';
+
+export default templateCompositeFrom({
+  annotation: `withRedatedContributionList`,
+
+  inputs: {
+    list: input.staticDependency({
+      type: 'array',
+      acceptsNull: true,
+    }),
+
+    date: input({
+      validate: isDate,
+      acceptsNull: true,
+    }),
+
+    override: input({
+      type: 'boolean',
+      defaultValue: true,
+    }),
+  },
+
+  outputs: ({
+    [input.staticDependency('list')]: list,
+  }) => [list],
+
+  steps: () => [
+    // TODO: Is raiseOutputWithoutDependency workable here?
+    // Is it true that not specifying any output wouldn't overwrite
+    // the provided dependency?
+    {
+      dependencies: [
+        input.staticDependency('list'),
+        input('list'),
+        input('date'),
+      ],
+
+      compute: (continuation, {
+        [input.staticDependency('list')]: dependency,
+        [input('list')]: list,
+        [input('date')]: date,
+      }) =>
+        (list && date
+          ? continuation()
+          : continuation.raiseOutput({
+              [dependency]: list,
+            })),
+    },
+
+    withPropertyFromList({
+      list: input('list'),
+      property: input.value('date'),
+    }).outputs({
+      '#list.date': '#existingDates',
+    }),
+
+    {
+      dependencies: [
+        input('date'),
+        input('override'),
+        '#existingDates',
+      ],
+
+      compute: (continuation, {
+        [input('date')]: date,
+        [input('override')]: override,
+        '#existingDates': existingDates,
+      }) => continuation({
+        ['#assignmentMap']:
+          // TODO: Should be mapping over withIndicesFromList
+          (_, index) =>
+            (!override && existingDates[index]
+              ? {date: existingDates[index]}
+           : date
+              ? {date}
+              : {}),
+      }),
+    },
+
+    withMappedList({
+      list: input('list'),
+      map: '#assignmentMap',
+    }).outputs({
+      '#mappedList': '#assignment',
+    }),
+
+    withClonedThings({
+      things: input('list'),
+      assignEach: '#assignment',
+    }).outputs({
+      '#clonedThings': '#newContributions',
+    }),
+
+    {
+      dependencies: [
+        input.staticDependency('list'),
+        '#newContributions',
+      ],
+
+      compute: (continuation, {
+        [input.staticDependency('list')]: listDependency,
+        ['#newContributions']: newContributions,
+      }) => continuation({
+        [listDependency]:
+          newContributions,
+      }),
+    },
+  ],
+});
diff --git a/src/data/composite/wiki-data/withResolvedAnnotatedReferenceList.js b/src/data/composite/wiki-data/withResolvedAnnotatedReferenceList.js
new file mode 100644
index 00000000..9cc52f29
--- /dev/null
+++ b/src/data/composite/wiki-data/withResolvedAnnotatedReferenceList.js
@@ -0,0 +1,100 @@
+import {input, templateCompositeFrom} from '#composite';
+import {stitchArrays} from '#sugar';
+import {isObject, validateArrayItems} from '#validators';
+
+import {withPropertyFromList} from '#composite/data';
+
+import {raiseOutputWithoutDependency, withAvailabilityFilter}
+  from '#composite/control-flow';
+
+import inputSoupyFind from './inputSoupyFind.js';
+import inputNotFoundMode from './inputNotFoundMode.js';
+import inputWikiData from './inputWikiData.js';
+import raiseResolvedReferenceList from './raiseResolvedReferenceList.js';
+import withResolvedReferenceList from './withResolvedReferenceList.js';
+
+export default templateCompositeFrom({
+  annotation: `withResolvedAnnotatedReferenceList`,
+
+  inputs: {
+    list: input({
+      validate: validateArrayItems(isObject),
+      acceptsNull: true,
+    }),
+
+    reference: input({type: 'string', defaultValue: 'reference'}),
+    annotation: input({type: 'string', defaultValue: 'annotation'}),
+    thing: input({type: 'string', defaultValue: 'thing'}),
+
+    data: inputWikiData({allowMixedTypes: true}),
+    find: inputSoupyFind(),
+
+    notFoundMode: inputNotFoundMode(),
+  },
+
+  outputs: ['#resolvedAnnotatedReferenceList'],
+
+  steps: () => [
+    raiseOutputWithoutDependency({
+      dependency: input('list'),
+      mode: input.value('empty'),
+      output: input.value({
+        ['#resolvedAnnotatedReferenceList']: [],
+      }),
+    }),
+
+    withPropertyFromList({
+      list: input('list'),
+      property: input('reference'),
+    }).outputs({
+      ['#values']: '#references',
+    }),
+
+    withPropertyFromList({
+      list: input('list'),
+      property: input('annotation'),
+    }).outputs({
+      ['#values']: '#annotations',
+    }),
+
+    withResolvedReferenceList({
+      list: '#references',
+      data: input('data'),
+      find: input('find'),
+      notFoundMode: input.value('null'),
+    }),
+
+    {
+      dependencies: [
+        input('thing'),
+        input('annotation'),
+        '#resolvedReferenceList',
+        '#annotations',
+      ],
+
+      compute: (continuation, {
+        [input('thing')]: thingProperty,
+        [input('annotation')]: annotationProperty,
+        ['#resolvedReferenceList']: things,
+        ['#annotations']: annotations,
+      }) => continuation({
+        ['#matches']:
+          stitchArrays({
+            [thingProperty]: things,
+            [annotationProperty]: annotations,
+          }),
+      }),
+    },
+
+    withAvailabilityFilter({
+      from: '#resolvedReferenceList',
+    }),
+
+    raiseResolvedReferenceList({
+      notFoundMode: input('notFoundMode'),
+      results: '#matches',
+      filter: '#availabilityFilter',
+      outputs: input.value('#resolvedAnnotatedReferenceList'),
+    }),
+  ],
+})
diff --git a/src/data/composite/wiki-data/withResolvedContribs.js b/src/data/composite/wiki-data/withResolvedContribs.js
index 95266382..838c991f 100644
--- a/src/data/composite/wiki-data/withResolvedContribs.js
+++ b/src/data/composite/wiki-data/withResolvedContribs.js
@@ -5,19 +5,16 @@
 // any artist.
 
 import {input, templateCompositeFrom} from '#composite';
-import find from '#find';
 import {filterMultipleArrays, stitchArrays} from '#sugar';
-import {is, isContributionList} from '#validators';
+import thingConstructors from '#things';
+import {isContributionList, isDate, isStringNonEmpty} from '#validators';
 
-import {
-  raiseOutputWithoutDependency,
-} from '#composite/control-flow';
+import {raiseOutputWithoutDependency, withAvailabilityFilter}
+  from '#composite/control-flow';
+import {withPropertyFromList, withPropertiesFromList} from '#composite/data';
 
-import {
-  withPropertiesFromList,
-} from '#composite/data';
-
-import withResolvedReferenceList from './withResolvedReferenceList.js';
+import inputNotFoundMode from './inputNotFoundMode.js';
+import raiseResolvedReferenceList from './raiseResolvedReferenceList.js';
 
 export default templateCompositeFrom({
   annotation: `withResolvedContribs`,
@@ -28,9 +25,21 @@ export default templateCompositeFrom({
       acceptsNull: true,
     }),
 
-    notFoundMode: input({
-      validate: is('exit', 'filter', 'null'),
-      defaultValue: 'null',
+    date: input({
+      validate: isDate,
+      acceptsNull: true,
+    }),
+
+    notFoundMode: inputNotFoundMode(),
+
+    thingProperty: input({
+      validate: isStringNonEmpty,
+      defaultValue: null,
+    }),
+
+    artistProperty: input({
+      validate: isStringNonEmpty,
+      defaultValue: null,
     }),
   },
 
@@ -45,34 +54,103 @@ export default templateCompositeFrom({
       }),
     }),
 
+    {
+      dependencies: [
+        input('thingProperty'),
+        input.staticDependency('from'),
+      ],
+
+      compute: (continuation, {
+        [input('thingProperty')]: thingProperty,
+        [input.staticDependency('from')]: fromDependency,
+      }) => continuation({
+        ['#thingProperty']:
+          (thingProperty
+            ? thingProperty
+         : !fromDependency?.startsWith('#')
+            ? fromDependency
+            : null),
+      }),
+    },
+
     withPropertiesFromList({
       list: input('from'),
       properties: input.value(['artist', 'annotation']),
       prefix: input.value('#contribs'),
     }),
 
-    withResolvedReferenceList({
-      list: '#contribs.artist',
-      data: 'artistData',
-      find: input.value(find.artist),
-      notFoundMode: input('notFoundMode'),
-    }).outputs({
-      ['#resolvedReferenceList']: '#contribs.artist',
-    }),
-
     {
-      dependencies: ['#contribs.artist', '#contribs.annotation'],
+      dependencies: [
+        '#contribs.artist',
+        '#contribs.annotation',
+        input('date'),
+      ],
 
       compute(continuation, {
         ['#contribs.artist']: artist,
         ['#contribs.annotation']: annotation,
+        [input('date')]: date,
       }) {
         filterMultipleArrays(artist, annotation, (artist, _annotation) => artist);
+
         return continuation({
-          ['#resolvedContribs']:
-            stitchArrays({artist, annotation}),
+          ['#details']:
+            stitchArrays({artist, annotation})
+              .map(details => ({
+                ...details,
+                date: date ?? null,
+              })),
         });
       },
     },
+
+    {
+      dependencies: [
+        '#details',
+        '#thingProperty',
+        input('artistProperty'),
+        input.myself(),
+        'find',
+      ],
+
+      compute: (continuation, {
+        ['#details']: details,
+        ['#thingProperty']: thingProperty,
+        [input('artistProperty')]: artistProperty,
+        [input.myself()]: myself,
+        ['find']: find,
+      }) => continuation({
+        ['#contributions']:
+          details.map(details => {
+            const contrib = new thingConstructors.Contribution();
+
+            Object.assign(contrib, {
+              ...details,
+              thing: myself,
+              thingProperty: thingProperty,
+              artistProperty: artistProperty,
+              find: find,
+            });
+
+            return contrib;
+          }),
+      }),
+    },
+
+    withPropertyFromList({
+      list: '#contributions',
+      property: input.value('artist'),
+    }),
+
+    withAvailabilityFilter({
+      from: '#contributions.artist',
+    }),
+
+    raiseResolvedReferenceList({
+      notFoundMode: input('notFoundMode'),
+      results: '#contributions',
+      filter: '#availabilityFilter',
+      outputs: input.value('#resolvedContribs'),
+    }),
   ],
 });
diff --git a/src/data/composite/wiki-data/withResolvedReference.js b/src/data/composite/wiki-data/withResolvedReference.js
index ea71707e..6f422194 100644
--- a/src/data/composite/wiki-data/withResolvedReference.js
+++ b/src/data/composite/wiki-data/withResolvedReference.js
@@ -1,16 +1,14 @@
 // Resolves a reference by using the provided find function to match it
-// within the provided thingData dependency. This will early exit if the
-// data dependency is null. Otherwise, the data object is provided on the
-// output dependency, or null, if the reference doesn't match anything or
+// within the provided thingData dependency. The data object is provided on
+// the output dependency, or null, if the reference doesn't match anything or
 // itself was null to begin with.
 
 import {input, templateCompositeFrom} from '#composite';
 
-import {
-  exitWithoutDependency,
-  raiseOutputWithoutDependency,
-} from '#composite/control-flow';
+import {raiseOutputWithoutDependency} from '#composite/control-flow';
 
+import gobbleSoupyFind from './gobbleSoupyFind.js';
+import inputSoupyFind from './inputSoupyFind.js';
 import inputWikiData from './inputWikiData.js';
 
 export default templateCompositeFrom({
@@ -20,7 +18,7 @@ export default templateCompositeFrom({
     ref: input({type: 'string', acceptsNull: true}),
 
     data: inputWikiData({allowMixedTypes: false}),
-    find: input({type: 'function'}),
+    find: inputSoupyFind(),
   },
 
   outputs: ['#resolvedReference'],
@@ -33,24 +31,26 @@ export default templateCompositeFrom({
       }),
     }),
 
-    exitWithoutDependency({
-      dependency: input('data'),
+    gobbleSoupyFind({
+      find: input('find'),
     }),
 
     {
       dependencies: [
         input('ref'),
         input('data'),
-        input('find'),
+        '#find',
       ],
 
       compute: (continuation, {
         [input('ref')]: ref,
         [input('data')]: data,
-        [input('find')]: findFunction,
+        ['#find']: findFunction,
       }) => continuation({
         ['#resolvedReference']:
-          findFunction(ref, data, {mode: 'quiet'}) ?? null,
+          (data
+            ? findFunction(ref, data, {mode: 'quiet'}) ?? null
+            : findFunction(ref, {mode: 'quiet'}) ?? null),
       }),
     },
   ],
diff --git a/src/data/composite/wiki-data/withResolvedReferenceList.js b/src/data/composite/wiki-data/withResolvedReferenceList.js
index 1d39e5b2..9dc960dd 100644
--- a/src/data/composite/wiki-data/withResolvedReferenceList.js
+++ b/src/data/composite/wiki-data/withResolvedReferenceList.js
@@ -1,18 +1,20 @@
 // Resolves a list of references, with each reference matched with provided
-// data in the same way as withResolvedReference. This will early exit if the
-// data dependency is null (even if the reference list is empty). By default
-// it will filter out references which don't match, but this can be changed
-// to early exit ({notFoundMode: 'exit'}) or leave null in place ('null').
+// data in the same way as withResolvedReference. By default it will filter
+// out references which don't match, but this can be changed to early exit
+// ({notFoundMode: 'exit'}) or leave null in place ('null').
 
 import {input, templateCompositeFrom} from '#composite';
-import {is, isString, validateArrayItems} from '#validators';
+import {isString, validateArrayItems} from '#validators';
 
-import {
-  exitWithoutDependency,
-  raiseOutputWithoutDependency,
-} from '#composite/control-flow';
+import {raiseOutputWithoutDependency, withAvailabilityFilter}
+  from '#composite/control-flow';
+import {withMappedList} from '#composite/data';
 
+import gobbleSoupyFind from './gobbleSoupyFind.js';
+import inputNotFoundMode from './inputNotFoundMode.js';
+import inputSoupyFind from './inputSoupyFind.js';
 import inputWikiData from './inputWikiData.js';
+import raiseResolvedReferenceList from './raiseResolvedReferenceList.js';
 
 export default templateCompositeFrom({
   annotation: `withResolvedReferenceList`,
@@ -23,23 +25,15 @@ export default templateCompositeFrom({
       acceptsNull: true,
     }),
 
-    data: inputWikiData({allowMixedTypes: false}),
-    find: input({type: 'function'}),
+    data: inputWikiData({allowMixedTypes: true}),
+    find: inputSoupyFind(),
 
-    notFoundMode: input({
-      validate: is('exit', 'filter', 'null'),
-      defaultValue: 'filter',
-    }),
+    notFoundMode: inputNotFoundMode(),
   },
 
   outputs: ['#resolvedReferenceList'],
 
   steps: () => [
-    exitWithoutDependency({
-      dependency: input('data'),
-      value: input.value([]),
-    }),
-
     raiseOutputWithoutDependency({
       dependency: input('list'),
       mode: input.value('empty'),
@@ -48,54 +42,39 @@ export default templateCompositeFrom({
       }),
     }),
 
+    gobbleSoupyFind({
+      find: input('find'),
+    }),
+
     {
-      dependencies: [input('list'), input('data'), input('find')],
+      dependencies: [input('data'), '#find'],
       compute: (continuation, {
-        [input('list')]: list,
         [input('data')]: data,
-        [input('find')]: findFunction,
-      }) =>
-        continuation({
-          '#matches': list.map(ref => findFunction(ref, data, {mode: 'quiet'})),
-        }),
-    },
-
-    {
-      dependencies: ['#matches'],
-      compute: (continuation, {'#matches': matches}) =>
-        (matches.every(match => match)
-          ? continuation.raiseOutput({
-              ['#resolvedReferenceList']: matches,
-            })
-          : continuation()),
+        ['#find']: findFunction,
+      }) => continuation({
+        ['#map']:
+          (data
+            ? ref => findFunction(ref, data, {mode: 'quiet'})
+            : ref => findFunction(ref, {mode: 'quiet'})),
+      }),
     },
 
-    {
-      dependencies: ['#matches', input('notFoundMode')],
-      compute(continuation, {
-        ['#matches']: matches,
-        [input('notFoundMode')]: notFoundMode,
-      }) {
-        switch (notFoundMode) {
-          case 'exit':
-            return continuation.exit([]);
-
-          case 'filter':
-            return continuation.raiseOutput({
-              ['#resolvedReferenceList']:
-                matches.filter(match => match),
-            });
+    withMappedList({
+      list: input('list'),
+      map: '#map',
+    }).outputs({
+      '#mappedList': '#matches',
+    }),
 
-          case 'null':
-            return continuation.raiseOutput({
-              ['#resolvedReferenceList']:
-                matches.map(match => match ?? null),
-            });
+    withAvailabilityFilter({
+      from: '#matches',
+    }),
 
-          default:
-            throw new TypeError(`Expected notFoundMode to be exit, filter, or null`);
-        }
-      },
-    },
+    raiseResolvedReferenceList({
+      notFoundMode: input('notFoundMode'),
+      results: '#matches',
+      filter: '#availabilityFilter',
+      outputs: input.value('#resolvedReferenceList'),
+    }),
   ],
 });
diff --git a/src/data/composite/wiki-data/withReverseContributionList.js b/src/data/composite/wiki-data/withReverseContributionList.js
deleted file mode 100644
index 91e125e4..00000000
--- a/src/data/composite/wiki-data/withReverseContributionList.js
+++ /dev/null
@@ -1,91 +0,0 @@
-// Analogous implementation for withReverseReferenceList, for contributions.
-// This is all duplicate code and both should be ported to the same underlying
-// data form later on.
-//
-// This implementation uses a global cache (via WeakMap) to attempt to speed
-// up subsequent similar accesses.
-//
-// This has absolutely not been rigorously tested with altering properties of
-// data objects in a wiki data array which is reused. If a new wiki data array
-// is used, a fresh cache will always be created.
-
-import {input, templateCompositeFrom} from '#composite';
-
-import {exitWithoutDependency, raiseOutputWithoutDependency}
-  from '#composite/control-flow';
-
-import inputWikiData from './inputWikiData.js';
-
-// Mapping of reference list property to WeakMap.
-// Each WeakMap maps a wiki data array to another weak map,
-// which in turn maps each referenced thing to an array of
-// things referencing it.
-const caches = new Map();
-
-export default templateCompositeFrom({
-  annotation: `withReverseContributionList`,
-
-  inputs: {
-    data: inputWikiData({allowMixedTypes: false}),
-    list: input({type: 'string'}),
-  },
-
-  outputs: ['#reverseContributionList'],
-
-  steps: () => [
-    // Early exit with an empty array if the data list isn't available.
-    exitWithoutDependency({
-      dependency: input('data'),
-      value: input.value([]),
-    }),
-
-    // Raise an empty array (don't early exit) if the data list is empty.
-    raiseOutputWithoutDependency({
-      dependency: input('data'),
-      mode: input.value('empty'),
-      output: input.value({'#reverseContributionList': []}),
-    }),
-
-    {
-      dependencies: [input.myself(), input('data'), input('list')],
-
-      compute: (continuation, {
-        [input.myself()]: myself,
-        [input('data')]: data,
-        [input('list')]: list,
-      }) => {
-        if (!caches.has(list)) {
-          caches.set(list, new WeakMap());
-        }
-
-        const cache = caches.get(list);
-
-        if (!cache.has(data)) {
-          const cacheRecord = new WeakMap();
-
-          for (const referencingThing of data) {
-            const referenceList = referencingThing[list];
-
-            // Destructuring {artist} is the only unique part of the
-            // withReverseContributionList implementation, compared to
-            // withReverseReferneceList.
-            for (const {artist: referencedThing} of referenceList) {
-              if (cacheRecord.has(referencedThing)) {
-                cacheRecord.get(referencedThing).push(referencingThing);
-              } else {
-                cacheRecord.set(referencedThing, [referencingThing]);
-              }
-            }
-          }
-
-          cache.set(data, cacheRecord);
-        }
-
-        return continuation({
-          ['#reverseContributionList']:
-            cache.get(data).get(myself) ?? [],
-        });
-      },
-    },
-  ],
-});
diff --git a/src/data/composite/wiki-data/withReverseReferenceList.js b/src/data/composite/wiki-data/withReverseReferenceList.js
index 8cd540a5..906f5bc5 100644
--- a/src/data/composite/wiki-data/withReverseReferenceList.js
+++ b/src/data/composite/wiki-data/withReverseReferenceList.js
@@ -1,89 +1,36 @@
 // Check out the info on reverseReferenceList!
 // This is its composable form.
-//
-// This implementation uses a global cache (via WeakMap) to attempt to speed
-// up subsequent similar accesses.
-//
-// This has absolutely not been rigorously tested with altering properties of
-// data objects in a wiki data array which is reused. If a new wiki data array
-// is used, a fresh cache will always be created.
-//
-// Note that this implementation is mirrored in withReverseContributionList,
-// so any changes should be reflected there (until these are combined).
 
 import {input, templateCompositeFrom} from '#composite';
 
-import {exitWithoutDependency, raiseOutputWithoutDependency}
-  from '#composite/control-flow';
-
+import gobbleSoupyReverse from './gobbleSoupyReverse.js';
+import inputSoupyReverse from './inputSoupyReverse.js';
 import inputWikiData from './inputWikiData.js';
 
-// Mapping of reference list property to WeakMap.
-// Each WeakMap maps a wiki data array to another weak map,
-// which in turn maps each referenced thing to an array of
-// things referencing it.
-const caches = new Map();
+import withResolvedReverse from './helpers/withResolvedReverse.js';
 
 export default templateCompositeFrom({
   annotation: `withReverseReferenceList`,
 
   inputs: {
-    data: inputWikiData({allowMixedTypes: false}),
-    list: input({type: 'string'}),
+    data: inputWikiData({allowMixedTypes: true}),
+    reverse: inputSoupyReverse(),
   },
 
   outputs: ['#reverseReferenceList'],
 
   steps: () => [
-    // Early exit with an empty array if the data list isn't available.
-    exitWithoutDependency({
-      dependency: input('data'),
-      value: input.value([]),
-    }),
-
-    // Raise an empty array (don't early exit) if the data list is empty.
-    raiseOutputWithoutDependency({
-      dependency: input('data'),
-      mode: input.value('empty'),
-      output: input.value({'#reverseReferenceList': []}),
+    gobbleSoupyReverse({
+      reverse: input('reverse'),
     }),
 
-    {
-      dependencies: [input.myself(), input('data'), input('list')],
-
-      compute: (continuation, {
-        [input.myself()]: myself,
-        [input('data')]: data,
-        [input('list')]: list,
-      }) => {
-        if (!caches.has(list)) {
-          caches.set(list, new WeakMap());
-        }
-
-        const cache = caches.get(list);
+    // TODO: Check that the reverse spec returns a list.
 
-        if (!cache.has(data)) {
-          const cacheRecord = new WeakMap();
-
-          for (const referencingThing of data) {
-            const referenceList = referencingThing[list];
-            for (const referencedThing of referenceList) {
-              if (cacheRecord.has(referencedThing)) {
-                cacheRecord.get(referencedThing).push(referencingThing);
-              } else {
-                cacheRecord.set(referencedThing, [referencingThing]);
-              }
-            }
-          }
-
-          cache.set(data, cacheRecord);
-        }
-
-        return continuation({
-          ['#reverseReferenceList']:
-            cache.get(data).get(myself) ?? [],
-        });
-      },
-    },
+    withResolvedReverse({
+      data: input('data'),
+      reverse: '#reverse',
+    }).outputs({
+      '#resolvedReverse': '#reverseReferenceList',
+    }),
   ],
 });
diff --git a/src/data/composite/wiki-data/withUniqueReferencingThing.js b/src/data/composite/wiki-data/withUniqueReferencingThing.js
index 61c10618..7c267038 100644
--- a/src/data/composite/wiki-data/withUniqueReferencingThing.js
+++ b/src/data/composite/wiki-data/withUniqueReferencingThing.js
@@ -4,48 +4,33 @@
 
 import {input, templateCompositeFrom} from '#composite';
 
-import {exitWithoutDependency, raiseOutputWithoutDependency}
-  from '#composite/control-flow';
-
+import gobbleSoupyReverse from './gobbleSoupyReverse.js';
+import inputSoupyReverse from './inputSoupyReverse.js';
 import inputWikiData from './inputWikiData.js';
-import withReverseReferenceList from './withReverseReferenceList.js';
+
+import withResolvedReverse from './helpers/withResolvedReverse.js';
 
 export default templateCompositeFrom({
   annotation: `withUniqueReferencingThing`,
 
   inputs: {
-    data: inputWikiData({allowMixedTypes: false}),
-    list: input({type: 'string'}),
+    data: inputWikiData({allowMixedTypes: true}),
+    reverse: inputSoupyReverse(),
   },
 
   outputs: ['#uniqueReferencingThing'],
 
   steps: () => [
-    // Early exit with null (not an empty array) if the data list
-    // isn't available.
-    exitWithoutDependency({
-      dependency: input('data'),
+    gobbleSoupyReverse({
+      reverse: input('reverse'),
     }),
 
-    withReverseReferenceList({
+    withResolvedReverse({
       data: input('data'),
-      list: input('list'),
+      reverse: '#reverse',
+      options: input.value({unique: true}),
+    }).outputs({
+      '#resolvedReverse': '#uniqueReferencingThing',
     }),
-
-    raiseOutputWithoutDependency({
-      dependency: '#reverseReferenceList',
-      mode: input.value('empty'),
-      output: input.value({'#uniqueReferencingThing': null}),
-    }),
-
-    {
-      dependencies: ['#reverseReferenceList'],
-      compute: (continuation, {
-        ['#reverseReferenceList']: reverseReferenceList,
-      }) => continuation({
-        ['#uniqueReferencingThing']:
-          reverseReferenceList[0],
-      }),
-    },
   ],
 });