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Diffstat (limited to 'src/util/urls.js')
-rw-r--r-- | src/util/urls.js | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/util/urls.js b/src/util/urls.js deleted file mode 100644 index 1f9cd9c0..00000000 --- a/src/util/urls.js +++ /dev/null @@ -1,138 +0,0 @@ -// Code that deals with URLs (really the pathnames that get referenced all -// throughout the gener8ted HTML). Most nota8ly here is generateURLs, which -// is in charge of pre-gener8ting a complete network of template strings -// which can really quickly take su8stitute parameters to link from any one -// place to another; 8ut there are also a few other utilities, too. -// -// Nota8ly, everything here is string-8ased, for gener8ting and transforming -// actual path strings. More a8stract operations using wiki data o8jects is -// the domain of link.js. - -import * as path from 'path'; - -import {withEntries} from './sugar.js'; - -export function generateURLs(urlSpec) { - const getValueForFullKey = (obj, fullKey) => { - const [groupKey, subKey] = fullKey.split('.'); - if (!groupKey || !subKey) { - throw new Error(`Expected group key and subkey (got ${fullKey})`); - } - - if (!Object.hasOwn(obj, groupKey)) { - throw new Error(`Expected valid group key (got ${groupKey})`); - } - - const group = obj[groupKey]; - - if (!Object.hasOwn(group, subKey)) { - throw new Error(`Expected valid subkey (got ${subKey} for group ${groupKey})`); - } - - return { - value: group[subKey], - group, - }; - }; - - // This should be called on values which are going to be passed to - // path.relative, because relative will resolve a leading slash as the root - // directory of the working device, which we aren't looking for here. - const trimLeadingSlash = (P) => (P.startsWith('/') ? P.slice(1) : P); - - const generateTo = (fromPath, fromGroup) => { - const A = trimLeadingSlash(fromPath); - - const rebasePrefix = '../' - .repeat((fromGroup.prefix || '').split('/').filter(Boolean).length); - - const pathHelper = (toPath, toGroup) => { - let B = trimLeadingSlash(toPath); - - let argIndex = 0; - B = B.replaceAll('<>', () => `<${argIndex++}>`); - - if (toGroup.prefix !== fromGroup.prefix) { - // TODO: Handle differing domains in prefixes. - B = rebasePrefix + (toGroup.prefix || '') + B; - } - - const suffix = toPath.endsWith('/') ? '/' : ''; - - return { - posix: path.posix.relative(A, B) + suffix, - device: path.relative(A, B) + suffix, - }; - }; - - const groupSymbol = Symbol(); - - const groupHelper = (urlGroup) => ({ - [groupSymbol]: urlGroup, - ...withEntries(urlGroup.paths, (entries) => - entries.map(([key, path]) => [key, pathHelper(path, urlGroup)]) - ), - }); - - const relative = withEntries(urlSpec, (entries) => - entries.map(([key, urlGroup]) => [key, groupHelper(urlGroup)]) - ); - - const toHelper = - (delimiterMode) => - (key, ...args) => { - const { - value: {[delimiterMode]: template}, - } = getValueForFullKey(relative, key); - - let missing = 0; - let result = template.replaceAll(/<([0-9]+)>/g, (match, n) => { - if (n < args.length) { - return args[n]; - } else { - missing++; - } - }); - - if (missing) { - throw new Error( - `Expected ${missing + args.length} arguments, got ${ - args.length - } (key ${key}, args [${args}])` - ); - } - - return result; - }; - - return { - to: toHelper('posix'), - toDevice: toHelper('device'), - }; - }; - - const generateFrom = () => { - const map = withEntries( - urlSpec, - (entries) => entries.map(([key, group]) => [ - key, - withEntries(group.paths, (entries) => - entries.map(([key, path]) => [key, generateTo(path, group)]) - ), - ])); - - const from = (key) => getValueForFullKey(map, key).value; - - return {from, map}; - }; - - return generateFrom(); -} - -const thumbnailHelper = (name) => (file) => - file.replace(/\.(jpg|png)$/, name + '.jpg'); - -export const thumb = { - medium: thumbnailHelper('.medium'), - small: thumbnailHelper('.small'), -}; |