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import {
color,
logError,
logWarn
} from './cli.js';
import { inspect } from 'util';
function warnOrThrow(mode, message) {
switch (mode) {
case 'error':
throw new Error(message);
case 'warn':
logWarn(message);
default:
return null;
}
}
function findHelper(keys, findFns = {}) {
// Note: This cache explicitly *doesn't* support mutable data arrays. If the
// data array is modified, make sure it's actually a new array object, not
// the original, or the cache here will break and act as though the data
// hasn't changed!
const cache = new WeakMap();
const byDirectory = findFns.byDirectory || matchDirectory;
const byName = findFns.byName || matchName;
const keyRefRegex = new RegExp(String.raw`^(?:(${keys.join('|')}):(?=\S))?(.*)$`);
// The mode argument here may be 'warn', 'error', or 'quiet'. 'error' throws
// errors for null matches (with details about the error), while 'warn' and
// 'quiet' both return null, with 'warn' logging details directly to the
// console.
return (fullRef, data, {mode = 'warn'} = {}) => {
if (!fullRef) return null;
if (typeof fullRef !== 'string') {
throw new Error(`Got a reference that is ${typeof fullRef}, not string: ${fullRef}`);
}
if (!data) {
throw new Error(`Expected data to be present`);
}
if (!Array.isArray(data) && data.wikiData) {
throw new Error(`Old {wikiData: {...}} format provided`);
}
let cacheForThisData = cache.get(data);
const cachedValue = cacheForThisData?.[fullRef];
if (cachedValue) {
globalThis.NUM_CACHE = (globalThis.NUM_CACHE || 0) + 1;
return cachedValue;
}
if (!cacheForThisData) {
cacheForThisData = Object.create(null);
cache.set(data, cacheForThisData);
}
const match = fullRef.match(keyRefRegex);
if (!match) {
return warnOrThrow(mode, `Malformed link reference: "${fullRef}"`);
}
const key = match[1];
const ref = match[2];
const found = (key
? byDirectory(ref, data, mode)
: byName(ref, data, mode));
if (!found) {
warnOrThrow(mode, `Didn't match anything for ${color.bright(fullRef)}`);
}
cacheForThisData[fullRef] = found;
return found;
};
}
function matchDirectory(ref, data, mode) {
return data.find(({ directory }) => directory === ref);
}
function matchName(ref, data, mode) {
const matches = data.filter(({ name }) => name.toLowerCase() === ref.toLowerCase());
if (matches.length > 1) {
return warnOrThrow(mode,
`Multiple matches for reference "${ref}". Please resolve:\n` +
matches.map(match => `- ${inspect(match)}\n`).join('') +
`Returning null for this reference.`);
}
if (matches.length === 0) {
return null;
}
const thing = matches[0];
if (ref !== thing.name) {
warnOrThrow(mode, `Bad capitalization: ${color.red(ref)} -> ${color.green(thing.name)}`);
}
return thing;
}
function matchTagName(ref, data, quiet) {
return matchName(ref.startsWith('cw: ') ? ref.slice(4) : ref, data, quiet);
}
const find = {
album: findHelper(['album', 'album-commentary']),
artist: findHelper(['artist', 'artist-gallery']),
artTag: findHelper(['tag'], {byName: matchTagName}),
flash: findHelper(['flash']),
group: findHelper(['group', 'group-gallery']),
listing: findHelper(['listing']),
newsEntry: findHelper(['news-entry']),
staticPage: findHelper(['static']),
track: findHelper(['track'])
};
export default find;
// Handy utility function for binding the find.thing() functions to a complete
// wikiData object, optionally taking default options to provide to the find
// function. Note that this caches the arrays read from wikiData right when it's
// called, so if their values change, you'll have to continue with a fresh call
// to bindFind.
export function bindFind(wikiData, opts1) {
return Object.fromEntries(Object.entries({
album: 'albumData',
artist: 'artistData',
artTag: 'artTagData',
flash: 'flashData',
group: 'groupData',
listing: 'listingSpec',
newsEntry: 'newsData',
staticPage: 'staticPageData',
track: 'trackData',
}).map(([ key, value ]) => {
const findFn = find[key];
const thingData = wikiData[value];
return [key, (opts1
? (ref, opts2) => (opts2
? findFn(ref, thingData, {...opts1, ...opts2})
: findFn(ref, thingData, opts1))
: (ref, opts2) => (opts2
? findFn(ref, thingData, opts2)
: findFn(ref, thingData)))];
}));
}
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