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Diffstat (limited to 'src/data/things/thing.js')
| -rw-r--r-- | src/data/things/thing.js | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/src/data/things/thing.js b/src/data/things/thing.js deleted file mode 100644 index b9fa60c..0000000 --- a/src/data/things/thing.js +++ /dev/null @@ -1,385 +0,0 @@ -// Thing: base class for wiki data types, providing wiki-specific utility -// functions on top of essential CacheableObject behavior. - -import CacheableObject from './cacheable-object.js'; - -import { - isAdditionalFileList, - isBoolean, - isCommentary, - isColor, - isContributionList, - isDate, - isDirectory, - isFileExtension, - isName, - isString, - isURL, - validateArrayItems, - validateInstanceOf, - validateReference, - validateReferenceList, -} from './validators.js'; - -import {inspect} from 'util'; -import {color} from '../../util/cli.js'; -import {getKebabCase} from '../../util/wiki-data.js'; - -import find from '../../util/find.js'; - -export default class Thing extends CacheableObject { - static referenceType = Symbol('Thing.referenceType'); - - static getPropertyDescriptors = Symbol('Thing.getPropertyDescriptors'); - static getSerializeDescriptors = Symbol('Thing.getSerializeDescriptors'); - - // Regularly reused property descriptors, for ease of access and generally - // duplicating less code across wiki data types. These are specialized utility - // functions, so check each for how its own arguments behave! - static common = { - name: (defaultName) => ({ - flags: {update: true, expose: true}, - update: {validate: isName, default: defaultName}, - }), - - color: () => ({ - flags: {update: true, expose: true}, - update: {validate: isColor}, - }), - - directory: () => ({ - flags: {update: true, expose: true}, - update: {validate: isDirectory}, - expose: { - dependencies: ['name'], - transform(directory, {name}) { - if (directory === null && name === null) return null; - else if (directory === null) return getKebabCase(name); - else return directory; - }, - }, - }), - - urls: () => ({ - flags: {update: true, expose: true}, - update: {validate: validateArrayItems(isURL)}, - }), - - // A file extension! Or the default, if provided when calling this. - fileExtension: (defaultFileExtension = null) => ({ - flags: {update: true, expose: true}, - update: {validate: isFileExtension}, - expose: {transform: (value) => value ?? defaultFileExtension}, - }), - - // Straightforward flag descriptor for a variety of property purposes. - // Provide a default value, true or false! - flag: (defaultValue = false) => { - if (typeof defaultValue !== 'boolean') { - throw new TypeError(`Always set explicit defaults for flags!`); - } - - return { - flags: {update: true, expose: true}, - update: {validate: isBoolean, default: defaultValue}, - }; - }, - - // General date type, used as the descriptor for a bunch of properties. - // This isn't dynamic though - it won't inherit from a date stored on - // another object, for example. - simpleDate: () => ({ - flags: {update: true, expose: true}, - update: {validate: isDate}, - }), - - // General string type. This should probably generally be avoided in favor - // of more specific validation, but using it makes it easy to find where we - // might want to improve later, and it's a useful shorthand meanwhile. - simpleString: () => ({ - flags: {update: true, expose: true}, - update: {validate: isString}, - }), - - // External function. These should only be used as dependencies for other - // properties, so they're left unexposed. - externalFunction: () => ({ - flags: {update: true}, - update: {validate: (t) => typeof t === 'function'}, - }), - - // Super simple "contributions by reference" list, used for a variety of - // properties (Artists, Cover Artists, etc). This is the property which is - // externally provided, in the form: - // - // [ - // {who: 'Artist Name', what: 'Viola'}, - // {who: 'artist:john-cena', what: null}, - // ... - // ] - // - // ...processed from YAML, spreadsheet, or any other kind of input. - contribsByRef: () => ({ - flags: {update: true, expose: true}, - update: {validate: isContributionList}, - }), - - // Artist commentary! Generally present on tracks and albums. - commentary: () => ({ - flags: {update: true, expose: true}, - update: {validate: isCommentary}, - }), - - // This is a somewhat more involved data structure - it's for additional - // or "bonus" files associated with albums or tracks (or anything else). - // It's got this form: - // - // [ - // {title: 'Booklet', files: ['Booklet.pdf']}, - // { - // title: 'Wallpaper', - // description: 'Cool Wallpaper!', - // files: ['1440x900.png', '1920x1080.png'] - // }, - // {title: 'Alternate Covers', description: null, files: [...]}, - // ... - // ] - // - additionalFiles: () => ({ - flags: {update: true, expose: true}, - update: {validate: isAdditionalFileList}, - }), - - // A reference list! Keep in mind this is for general references to wiki - // objects of (usually) other Thing subclasses, not specifically leitmotif - // references in tracks (although that property uses referenceList too!). - // - // The underlying function validateReferenceList expects a string like - // 'artist' or 'track', but this utility keeps from having to hard-code the - // string in multiple places by referencing the value saved on the class - // instead. - referenceList: (thingClass) => { - const {[Thing.referenceType]: referenceType} = thingClass; - if (!referenceType) { - throw new Error(`The passed constructor ${thingClass.name} doesn't define Thing.referenceType!`); - } - - return { - flags: {update: true, expose: true}, - update: {validate: validateReferenceList(referenceType)}, - }; - }, - - // Corresponding function for a single reference. - singleReference: (thingClass) => { - const {[Thing.referenceType]: referenceType} = thingClass; - if (!referenceType) { - throw new Error(`The passed constructor ${thingClass.name} doesn't define Thing.referenceType!`); - } - - return { - flags: {update: true, expose: true}, - update: {validate: validateReference(referenceType)}, - }; - }, - - // Corresponding dynamic property to referenceList, which takes the values - // in the provided property and searches the specified wiki data for - // matching actual Thing-subclass objects. - dynamicThingsFromReferenceList: ( - referenceListProperty, - thingDataProperty, - findFn - ) => ({ - flags: {expose: true}, - - expose: { - dependencies: [referenceListProperty, thingDataProperty], - compute: ({ - [referenceListProperty]: refs, - [thingDataProperty]: thingData, - }) => - refs && thingData - ? refs - .map((ref) => findFn(ref, thingData, {mode: 'quiet'})) - .filter(Boolean) - : [], - }, - }), - - // Corresponding function for a single reference. - dynamicThingFromSingleReference: ( - singleReferenceProperty, - thingDataProperty, - findFn - ) => ({ - flags: {expose: true}, - - expose: { - dependencies: [singleReferenceProperty, thingDataProperty], - compute: ({ - [singleReferenceProperty]: ref, - [thingDataProperty]: thingData, - }) => (ref && thingData ? findFn(ref, thingData, {mode: 'quiet'}) : null), - }, - }), - - // Corresponding dynamic property to contribsByRef, which takes the values - // in the provided property and searches the object's artistData for - // matching actual Artist objects. The computed structure has the same form - // as contribsByRef, but with Artist objects instead of string references: - // - // [ - // {who: (an Artist), what: 'Viola'}, - // {who: (an Artist), what: null}, - // ... - // ] - // - // Contributions whose "who" values don't match anything in artistData are - // filtered out. (So if the list is all empty, chances are that either the - // reference list is somehow messed up, or artistData isn't being provided - // properly.) - dynamicContribs: (contribsByRefProperty) => ({ - flags: {expose: true}, - expose: { - dependencies: ['artistData', contribsByRefProperty], - compute: ({artistData, [contribsByRefProperty]: contribsByRef}) => - contribsByRef && artistData - ? contribsByRef - .map(({who: ref, what}) => ({ - who: find.artist(ref, artistData), - what, - })) - .filter(({who}) => who) - : [], - }, - }), - - // Dynamically inherit a contribution list from some other object, if it - // hasn't been overridden on this object. This is handy for solo albums - // where all tracks have the same artist, for example. - // - // Note: The arguments of this function aren't currently final! The final - // format will look more like (contribsByRef, parentContribsByRef), e.g. - // ('artistContribsByRef', '@album/artistContribsByRef'). - dynamicInheritContribs: ( - contribsByRefProperty, - parentContribsByRefProperty, - thingDataProperty, - findFn - ) => ({ - flags: {expose: true}, - expose: { - dependencies: [contribsByRefProperty, thingDataProperty, 'artistData'], - compute({ - [Thing.instance]: thing, - [contribsByRefProperty]: contribsByRef, - [thingDataProperty]: thingData, - artistData, - }) { - if (!artistData) return []; - const refs = - contribsByRef ?? - findFn(thing, thingData, {mode: 'quiet'})?.[parentContribsByRefProperty]; - if (!refs) return []; - return refs - .map(({who: ref, what}) => ({ - who: find.artist(ref, artistData), - what, - })) - .filter(({who}) => who); - }, - }, - }), - - // Neat little shortcut for "reversing" the reference lists stored on other - // things - for example, tracks specify a "referenced tracks" property, and - // you would use this to compute a corresponding "referenced *by* tracks" - // property. Naturally, the passed ref list property is of the things in the - // wiki data provided, not the requesting Thing itself. - reverseReferenceList: (thingDataProperty, referencerRefListProperty) => ({ - flags: {expose: true}, - - expose: { - dependencies: [thingDataProperty], - - compute: ({[thingDataProperty]: thingData, [Thing.instance]: thing}) => - thingData?.filter(t => t[referencerRefListProperty].includes(thing)) ?? [], - }, - }), - - // Corresponding function for single references. Note that the return value - // is still a list - this is for matching all the objects whose single - // reference (in the given property) matches this Thing. - reverseSingleReference: (thingDataProperty, referencerRefListProperty) => ({ - flags: {expose: true}, - - expose: { - dependencies: [thingDataProperty], - - compute: ({[thingDataProperty]: thingData, [Thing.instance]: thing}) => - thingData?.filter((t) => t[referencerRefListProperty] === thing) ?? [], - }, - }), - - // General purpose wiki data constructor, for properties like artistData, - // trackData, etc. - wikiData: (thingClass) => ({ - flags: {update: true}, - update: { - validate: validateArrayItems(validateInstanceOf(thingClass)), - }, - }), - - // This one's kinda tricky: it parses artist "references" from the - // commentary content, and finds the matching artist for each reference. - // This is mostly useful for credits and listings on artist pages. - commentatorArtists: () => ({ - flags: {expose: true}, - - expose: { - dependencies: ['artistData', 'commentary'], - - compute: ({artistData, commentary}) => - artistData && commentary - ? Array.from( - new Set( - Array.from( - commentary - .replace(/<\/?b>/g, '') - .matchAll(/<i>(?<who>.*?):<\/i>/g) - ).map(({groups: {who}}) => - find.artist(who, artistData, {mode: 'quiet'}) - ) - ) - ) - : [], - }, - }), - }; - - // Default custom inspect function, which may be overridden by Thing - // subclasses. This will be used when displaying aggregate errors and other - // command-line logging - it's the place to provide information useful in - // identifying the Thing being presented. - [inspect.custom]() { - const cname = this.constructor.name; - - return ( - (this.name ? `${cname} ${color.green(`"${this.name}"`)}` : `${cname}`) + - (this.directory ? ` (${color.blue(Thing.getReference(this))})` : '') - ); - } - - static getReference(thing) { - if (!thing.constructor[Thing.referenceType]) { - throw TypeError(`Passed Thing is ${thing.constructor.name}, which provides no [Thing.referenceType]`); - } - - if (!thing.directory) { - throw TypeError(`Passed ${thing.constructor.name} is missing its directory`); - } - - return `${thing.constructor[Thing.referenceType]}:${thing.directory}`; - } -} |