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hsmusic-wiki - HSMusic - static wiki software cataloguing collaborative creation
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-rw-r--r--src/data/things/language.js352
1 files changed, 306 insertions, 46 deletions
diff --git a/src/data/things/language.js b/src/data/things/language.js
index 93ed40b6..e3689643 100644
--- a/src/data/things/language.js
+++ b/src/data/things/language.js
@@ -2,6 +2,7 @@ import { Temporal, toTemporalInstant } from '@js-temporal/polyfill';
 
 import {withAggregate} from '#aggregate';
 import CacheableObject from '#cacheable-object';
+import {logWarn} from '#cli';
 import * as html from '#html';
 import {empty} from '#sugar';
 import {isLanguageCode} from '#validators';
@@ -17,6 +18,8 @@ import {
 
 import {externalFunction, flag, name} from '#composite/wiki-properties';
 
+export const languageOptionRegex = /{(?<name>[A-Z0-9_]+)}/g;
+
 export class Language extends Thing {
   static [Thing.getPropertyDescriptors] = () => ({
     // Update & expose
@@ -60,14 +63,46 @@ export class Language extends Thing {
     strings: {
       flags: {update: true, expose: true},
       update: {validate: (t) => typeof t === 'object'},
+
       expose: {
-        dependencies: ['inheritedStrings'],
-        transform(strings, {inheritedStrings}) {
-          if (strings || inheritedStrings) {
-            return {...(inheritedStrings ?? {}), ...(strings ?? {})};
-          } else {
-            return null;
+        dependencies: ['inheritedStrings', 'code'],
+        transform(strings, {inheritedStrings, code}) {
+          if (!strings && !inheritedStrings) return null;
+          if (!inheritedStrings) return strings;
+
+          const validStrings = {
+            ...inheritedStrings,
+            ...strings,
+          };
+
+          const optionsFromTemplate = template =>
+            Array.from(template.matchAll(languageOptionRegex))
+              .map(({groups}) => groups.name);
+
+          for (const [key, providedTemplate] of Object.entries(strings)) {
+            const inheritedTemplate = inheritedStrings[key];
+            if (!inheritedTemplate) continue;
+
+            const providedOptions = optionsFromTemplate(providedTemplate);
+            const inheritedOptions = optionsFromTemplate(inheritedTemplate);
+
+            const missingOptionNames =
+              inheritedOptions.filter(name => !providedOptions.includes(name));
+
+            const misplacedOptionNames =
+              providedOptions.filter(name => !inheritedOptions.includes(name));
+
+            if (!empty(missingOptionNames) || !empty(misplacedOptionNames)) {
+              logWarn`Not using ${code ?? '(no code)'} string ${key}:`;
+              if (!empty(missingOptionNames))
+                logWarn`- Missing options: ${missingOptionNames.join(', ')}`;
+              if (!empty(misplacedOptionNames))
+                logWarn`- Unexpected options: ${misplacedOptionNames.join(', ')}`;
+              validStrings[key] = inheritedStrings[key];
+            }
           }
+
+          return validStrings;
         },
       },
     },
@@ -80,7 +115,7 @@ export class Language extends Thing {
     },
 
     // List of descriptors for providing to external link utilities when using
-    // language.formatExternalLink - refer to util/external-links.js for info.
+    // language.formatExternalLink - refer to #external-links for info.
     externalLinkSpec: {
       flags: {update: true, expose: true},
       update: {validate: isExternalLinkSpec},
@@ -92,7 +127,15 @@ export class Language extends Thing {
 
     // Expose only
 
+    onlyIfOptions: {
+      flags: {expose: true},
+      expose: {
+        compute: () => Symbol.for(`language.onlyIfOptions`),
+      },
+    },
+
     intl_date: this.#intlHelper(Intl.DateTimeFormat, {full: true}),
+    intl_dateYear: this.#intlHelper(Intl.DateTimeFormat, {year: 'numeric'}),
     intl_number: this.#intlHelper(Intl.NumberFormat),
     intl_listConjunction: this.#intlHelper(Intl.ListFormat, {type: 'conjunction'}),
     intl_listDisjunction: this.#intlHelper(Intl.ListFormat, {type: 'disjunction'}),
@@ -166,9 +209,7 @@ export class Language extends Thing {
       args.at(-1) !== null;
 
     const key =
-      (hasOptions ? args.slice(0, -1) : args)
-        .filter(Boolean)
-        .join('.');
+      this.#joinKeyParts(hasOptions ? args.slice(0, -1) : args);
 
     const options =
       (hasOptions
@@ -183,53 +224,93 @@ export class Language extends Thing {
       throw new Error(`Invalid key ${key} accessed`);
     }
 
+    const constantCasify = name =>
+      name
+        .replace(/[A-Z]/g, '_$&')
+        .toUpperCase();
+
     // These will be filled up as we iterate over the template, slotting in
     // each option (if it's present).
     const missingOptionNames = new Set();
 
+    // These will also be filled. It's a bit different of an error, indicating
+    // a provided option was *expected,* but its value was null, undefined, or
+    // blank HTML content.
+    const valuelessOptionNames = new Set();
+
+    // These *might* be missing, and if they are, that's OK!! Instead of adding
+    // to the valueless set above, we'll just mark to return a blank for the
+    // whole string.
+    const expectedValuelessOptionNames =
+      new Set(
+        (options[this.onlyIfOptions] ?? [])
+          .map(constantCasify));
+
+    let seenExpectedValuelessOption = false;
+
+    const isValueless =
+      value =>
+        value === null ||
+        value === undefined ||
+        html.isBlank(value);
+
     // And this will have entries deleted as they're encountered in the
     // template. Leftover entries are misplaced.
     const optionsMap =
       new Map(
         Object.entries(options).map(([name, value]) => [
-          name
-            .replace(/[A-Z]/g, '_$&')
-            .toUpperCase(),
+          constantCasify(name),
           value,
         ]));
 
     const output = this.#iterateOverTemplate({
       template: this.strings[key],
 
-      match: /{(?<name>[A-Z0-9_]+)}/g,
+      match: languageOptionRegex,
 
       insert: ({name: optionName}, canceledForming) => {
-        if (optionsMap.has(optionName)) {
-          let optionValue;
-
-          // We'll only need the option's value if we're going to use it as
-          // part of the formed output (see below).
-          if (!canceledForming) {
-            optionValue = optionsMap.get(optionName);
-          }
-
-          // But we always have to delete expected options off the provided
-          // option map, since the leftovers are what will be used to tell
-          // which are misplaced.
-          optionsMap.delete(optionName);
+        if (!optionsMap.has(optionName)) {
+          missingOptionNames.add(optionName);
 
-          if (canceledForming) {
-            return undefined;
-          } else {
-            return optionValue;
-          }
-        } else {
           // We don't need to continue forming the output if we've hit a
           // missing option name, since the end result of this formatString
           // call will be a thrown error, and formed output won't be needed.
-          missingOptionNames.add(optionName);
+          // Return undefined to mark canceledForming for the following
+          // iterations (and exit early out of this iteration).
           return undefined;
         }
+
+        // Even if we're not actually forming the output anymore, we'll still
+        // have to access this option's value to check if it is invalid.
+        const optionValue = optionsMap.get(optionName);
+
+        // We always have to delete expected options off the provided option
+        // map, since the leftovers are what will be used to tell which are
+        // misplaced - information you want even (or doubly so) if we've
+        // already stopped forming the output thanks to missing options.
+        optionsMap.delete(optionName);
+
+        // Just like if an option is missing, a valueless option cancels
+        // forming the rest of the output.
+        if (isValueless(optionValue)) {
+          // It's also an error, *except* if this option is one of the ones
+          // that we're indicated to *expect* might be valueless! In that case,
+          // we still need to stop forming the string (and mark a separate flag
+          // so that we return a blank), but it's not an error.
+          if (expectedValuelessOptionNames.has(optionName)) {
+            seenExpectedValuelessOption = true;
+          } else {
+            valuelessOptionNames.add(optionName);
+          }
+
+          return undefined;
+        }
+
+        if (canceledForming) {
+          return undefined;
+        }
+
+        return optionValue;
       },
     });
 
@@ -237,17 +318,30 @@ export class Language extends Thing {
       Array.from(optionsMap.keys());
 
     withAggregate({message: `Errors in options for string "${key}"`}, ({push}) => {
+      const names = set => Array.from(set).join(', ');
+
       if (!empty(missingOptionNames)) {
-        const names = Array.from(missingOptionNames).join(`, `);
-        push(new Error(`Missing options: ${names}`));
+        push(new Error(
+          `Missing options: ${names(missingOptionNames)}`));
+      }
+
+      if (!empty(valuelessOptionNames)) {
+        push(new Error(
+          `Valueless options: ${names(valuelessOptionNames)}`));
       }
 
       if (!empty(misplacedOptionNames)) {
-        const names = Array.from(misplacedOptionNames).join(`, `);
-        push(new Error(`Unexpected options: ${names}`));
+        push(new Error(
+          `Unexpected options: ${names(misplacedOptionNames)}`));
       }
     });
 
+    // If an option was valueless as marked to expect, then that indicates
+    // the whole string should be treated as blank content.
+    if (seenExpectedValuelessOption) {
+      return html.blank();
+    }
+
     return output;
   }
 
@@ -357,6 +451,7 @@ export class Language extends Thing {
   // contents, if needed.
   #wrapSanitized(content) {
     return html.tags(content, {
+      [html.blessAttributes]: true,
       [html.joinChildren]: '',
       [html.noEdgeWhitespace]: true,
     });
@@ -380,21 +475,75 @@ export class Language extends Thing {
   }
 
   formatDate(date) {
+    // Null or undefined date is blank content.
+    if (date === null || date === undefined) {
+      return html.blank();
+    }
+
     this.assertIntlAvailable('intl_date');
     return this.intl_date.format(date);
   }
 
   formatDateRange(startDate, endDate) {
+    // formatDateRange expects both values to be present, but if both are null
+    // or both are undefined, that's just blank content.
+    const hasStart = startDate !== null && startDate !== undefined;
+    const hasEnd = endDate !== null && endDate !== undefined;
+    if (!hasStart && !hasEnd) {
+      return html.blank();
+    } else if (hasStart && !hasEnd) {
+      throw new Error(`Expected both start and end of date range, got only start`);
+    } else if (!hasStart && hasEnd) {
+      throw new Error(`Expected both start and end of date range, got only end`);
+    }
+
     this.assertIntlAvailable('intl_date');
     return this.intl_date.formatRange(startDate, endDate);
   }
 
+  formatYear(date) {
+    if (date === null || date === undefined) {
+      return html.blank();
+    }
+
+    this.assertIntlAvailable('intl_dateYear');
+    return this.intl_dateYear.format(date);
+  }
+
+  formatYearRange(startDate, endDate) {
+    // formatYearRange expects both values to be present, but if both are null
+    // or both are undefined, that's just blank content.
+    const hasStart = startDate !== null && startDate !== undefined;
+    const hasEnd = endDate !== null && endDate !== undefined;
+    if (!hasStart && !hasEnd) {
+      return html.blank();
+    } else if (hasStart && !hasEnd) {
+      throw new Error(`Expected both start and end of date range, got only start`);
+    } else if (!hasStart && hasEnd) {
+      throw new Error(`Expected both start and end of date range, got only end`);
+    }
+
+    this.assertIntlAvailable('intl_dateYear');
+    return this.intl_dateYear.formatRange(startDate, endDate);
+  }
+
   formatDateDuration({
     years: numYears = 0,
     months: numMonths = 0,
     days: numDays = 0,
     approximate = false,
   }) {
+    // Give up if any of years, months, or days is null or undefined.
+    // These default to zero, so something's gone pretty badly wrong to
+    // pass in all or partial missing values.
+    if (
+      numYears === undefined || numYears === null ||
+      numMonths === undefined || numMonths === null ||
+      numDays === undefined || numDays === null
+    ) {
+      throw new Error(`Expected values or default zero for years, months, and days`);
+    }
+
     let basis;
 
     const years = this.countYears(numYears, {unit: true});
@@ -432,6 +581,14 @@ export class Language extends Thing {
     approximate = true,
     absolute = true,
   } = {}) {
+    // Give up if current and/or reference date is null or undefined.
+    if (
+      currentDate === undefined || currentDate === null ||
+      referenceDate === undefined || referenceDate === null
+    ) {
+      throw new Error(`Expected values for currentDate and referenceDate`);
+    }
+
     const currentInstant = toTemporalInstant.apply(currentDate);
     const referenceInstant = toTemporalInstant.apply(referenceDate);
 
@@ -492,6 +649,12 @@ export class Language extends Thing {
   }
 
   formatDuration(secTotal, {approximate = false, unit = false} = {}) {
+    // Null or undefined duration is blank content.
+    if (secTotal === null || secTotal === undefined) {
+      return html.blank();
+    }
+
+    // Zero duration is a "missing" string.
     if (secTotal === 0) {
       return this.formatString('count.duration.missing');
     }
@@ -522,13 +685,18 @@ export class Language extends Thing {
   }
 
   formatExternalLink(url, {
-    style = 'normal',
+    style = 'platform',
     context = 'generic',
   } = {}) {
     if (!this.externalLinkSpec) {
       throw new TypeError(`externalLinkSpec unavailable`);
     }
 
+    // Null or undefined url is blank content.
+    if (url === null || url === undefined) {
+      return html.blank();
+    }
+
     isExternalLinkContext(context);
 
     if (style === 'all') {
@@ -540,23 +708,44 @@ export class Language extends Thing {
 
     isExternalLinkStyle(style);
 
-    return getExternalLinkStringOfStyleFromDescriptors(url, style, this.externalLinkSpec, {
-      language: this,
-      context,
-    });
+    const result =
+      getExternalLinkStringOfStyleFromDescriptors(url, style, this.externalLinkSpec, {
+        language: this,
+        context,
+      });
+
+    // It's possible for there to not actually be any string available for the
+    // given URL, style, and context, and we want this to be detectable via
+    // html.blank().
+    return result ?? html.blank();
   }
 
   formatIndex(value) {
+    // Null or undefined value is blank content.
+    if (value === null || value === undefined) {
+      return html.blank();
+    }
+
     this.assertIntlAvailable('intl_pluralOrdinal');
     return this.formatString('count.index.' + this.intl_pluralOrdinal.select(value), {index: value});
   }
 
   formatNumber(value) {
+    // Null or undefined value is blank content.
+    if (value === null || value === undefined) {
+      return html.blank();
+    }
+
     this.assertIntlAvailable('intl_number');
     return this.intl_number.format(value);
   }
 
   formatWordCount(value) {
+    // Null or undefined value is blank content.
+    if (value === null || value === undefined) {
+      return html.blank();
+    }
+
     const num = this.formatNumber(
       value > 1000 ? Math.floor(value / 100) / 10 : value
     );
@@ -570,6 +759,11 @@ export class Language extends Thing {
   }
 
   #formatListHelper(array, processFn) {
+    // Empty lists, null, and undefined are blank content.
+    if (empty(array) || array === null || array === undefined) {
+      return html.blank();
+    }
+
     // Operate on "insertion markers" instead of the actual contents of the
     // array, because the process function (likely an Intl operation) is taken
     // to only operate on strings. We'll insert the contents of the array back
@@ -631,10 +825,22 @@ export class Language extends Thing {
 
   // File sizes: 42.5 kB, 127.2 MB, 4.13 GB, 998.82 TB
   formatFileSize(bytes) {
-    if (!bytes) return '';
+    // Null or undefined bytes is blank content.
+    if (bytes === null || bytes === undefined) {
+      return html.blank();
+    }
+
+    // Zero bytes is blank content.
+    if (bytes === 0) {
+      return html.blank();
+    }
 
     bytes = parseInt(bytes);
-    if (isNaN(bytes)) return '';
+
+    // Non-number bytes is blank content! Wow.
+    if (isNaN(bytes)) {
+      return html.blank();
+    }
 
     const round = (exp) => Math.round(bytes / 10 ** (exp - 1)) / 10;
 
@@ -658,10 +864,62 @@ export class Language extends Thing {
       return this.formatString('count.fileSize.bytes', {bytes});
     }
   }
+
+  typicallyLowerCase(string) {
+    // Utter nonsense implementation, so this only works on strings,
+    // not actual HTML content, and may rudely disrespect *intentful*
+    // capitalization of whatever goes into it.
+
+    if (typeof string !== 'string') return string;
+    if (string.length <= 1) return string;
+    if (/^\S+?[A-Z]/.test(string)) return string;
+
+    return string[0].toLowerCase() + string.slice(1);
+  }
+
+  // Utility function to quickly provide a useful string key
+  // (generally a prefix) to stuff nested beneath it.
+  encapsulate(...args) {
+    const fn =
+      (typeof args.at(-1) === 'function'
+        ? args.at(-1)
+        : null);
+
+    const parts =
+      (fn
+        ? args.slice(0, -1)
+        : args);
+
+    const capsule =
+      this.#joinKeyParts(parts);
+
+    if (fn) {
+      return fn(capsule);
+    } else {
+      return capsule;
+    }
+  }
+
+  #joinKeyParts(parts) {
+    return parts.filter(Boolean).join('.');
+  }
 }
 
 const countHelper = (stringKey, optionName = stringKey) =>
-  function(value, {unit = false} = {}) {
+  function(value, {
+    unit = false,
+    blankIfZero = false,
+  } = {}) {
+    // Null or undefined value is blank content.
+    if (value === null || value === undefined) {
+      return html.blank();
+    }
+
+    // Zero is blank content, if that option is set.
+    if (value === 0 && blankIfZero) {
+      return html.blank();
+    }
+
     return this.formatString(
       unit
         ? `count.${stringKey}.withUnit.` + this.getUnitForm(value)
@@ -673,6 +931,7 @@ const countHelper = (stringKey, optionName = stringKey) =>
 Object.assign(Language.prototype, {
   countAdditionalFiles: countHelper('additionalFiles', 'files'),
   countAlbums: countHelper('albums'),
+  countArtTags: countHelper('artTags', 'tags'),
   countArtworks: countHelper('artworks'),
   countCommentaryEntries: countHelper('commentaryEntries', 'entries'),
   countContributions: countHelper('contributions'),
@@ -680,6 +939,7 @@ Object.assign(Language.prototype, {
   countDays: countHelper('days'),
   countFlashes: countHelper('flashes'),
   countMonths: countHelper('months'),
+  countTimesFeatured: countHelper('timesFeatured'),
   countTimesReferenced: countHelper('timesReferenced'),
   countTimesUsed: countHelper('timesUsed'),
   countTracks: countHelper('tracks'),