extract static-build, new modular build modes

3 files changed, 456 insertions, 0 deletions

diff --git a/src/write/build-modes/index.js b/src/write/build-modes/index.js
new file mode 100644
index 00000000..91e39009
--- /dev/null
+++ b/src/write/build-modes/index.js
@@ -0,0 +1,2 @@
+export * as 'live-dev-server' from './live-dev-server.js';
+export * as 'static-build' from './static-build.js';
diff --git a/src/write/build-modes/live-dev-server.js b/src/write/build-modes/live-dev-server.js
new file mode 100644
index 00000000..76b6d47f
--- /dev/null
+++ b/src/write/build-modes/live-dev-server.js
@@ -0,0 +1,31 @@
+import {logInfo} from '../../util/cli.js';
+
+export function getCLIOptions() {
+  // Stub.
+  return {};
+}
+
+export async function go({
+  _cliOptions,
+  _dataPath,
+  _mediaPath,
+  _queueSize,
+
+  _defaultLanguage,
+  _languages,
+  _srcRootPath,
+  _urls,
+  _urlSpec,
+  _wikiData,
+
+  _cachebust,
+  _developersComment,
+  _getSizeOfAdditionalFile,
+}) {
+  // Stub.
+  logInfo`So we are back in the mine!`;
+  logInfo`We are swinging our pickaxe in-`;
+  logInfo`...multiple directions,`;
+  logInfo`...multiple directions.`;
+  return true;
+}
diff --git a/src/write/build-modes/static-build.js b/src/write/build-modes/static-build.js
new file mode 100644
index 00000000..eafb53d6
--- /dev/null
+++ b/src/write/build-modes/static-build.js
@@ -0,0 +1,423 @@
+import {bindUtilities} from '../bind-utilities.js';
+import {validateWrites} from '../validate-writes.js';
+
+import {
+  generateDocumentHTML,
+  generateGlobalWikiDataJSON,
+  generateOEmbedJSON,
+  generateRedirectHTML,
+} from '../page-template.js';
+
+import {
+  writePage,
+  writeSharedFilesAndPages,
+  writeSymlinks,
+} from '../write-files.js';
+
+import {serializeThings} from '../../data/serialize.js';
+
+import * as pageSpecs from '../../page/index.js';
+
+import link from '../../util/link.js';
+import {empty, queue, withEntries} from '../../util/sugar.js';
+import {getPagePaths, getURLsFrom} from '../../util/urls.js';
+
+import {
+  logError,
+  logInfo,
+  logWarn,
+  progressCallAll,
+  progressPromiseAll,
+} from '../../util/cli.js';
+
+const pageFlags = Object.keys(pageSpecs);
+
+export function getCLIOptions() {
+  return {
+    // This is the output directory. It's the one you'll upload online with
+    // rsync or whatever when you're pushing an upd8, and also the one
+    // you'd archive if you wanted to make a 8ackup of the whole dang
+    // site. Just keep in mind that the gener8ted result will contain a
+    // couple symlinked directories, so if you're uploading, you're pro8a8ly
+    // gonna want to resolve those yourself.
+    'out-path': {
+      type: 'value',
+    },
+
+    // Working without a dev server and just using file:// URLs in your we8
+    // 8rowser? This will automatically append index.html to links across
+    // the site. Not recommended for production, since it isn't guaranteed
+    // 100% error-free (and index.html-style links are less pretty anyway).
+    'append-index-html': {
+      type: 'flag',
+    },
+
+    // Only want to 8uild one language during testing? This can chop down
+    // 8uild times a pretty 8ig chunk! Just pass a single language code.
+    'lang': {
+      type: 'value',
+    },
+
+    // NOT for neatly ena8ling or disa8ling specific features of the site!
+    // This is only in charge of what general groups of files to write.
+    // They're here to make development quicker when you're only working
+    // on some particular area(s) of the site rather than making changes
+    // across all of them.
+    ...Object.fromEntries(pageFlags.map((key) => [key, {type: 'flag'}])),
+  };
+}
+
+export async function go({
+  cliOptions,
+  _dataPath,
+  mediaPath,
+  queueSize,
+
+  defaultLanguage,
+  languages,
+  srcRootPath,
+  urls,
+  urlSpec,
+  wikiData,
+
+  cachebust,
+  developersComment,
+  getSizeOfAdditionalFile,
+}) {
+  const outputPath = cliOptions['out-path'] || process.env.HSMUSIC_OUT;
+  const appendIndexHTML = cliOptions['append-index-html'] ?? false;
+  const writeOneLanguage = cliOptions['lang'] ?? null;
+
+  if (!outputPath) {
+    logError`Expected ${'--out-path'} option or ${'HSMUSIC_OUT'} to be set`;
+    return false;
+  }
+
+  if (appendIndexHTML) {
+    logWarn`Appending index.html to link hrefs. (Note: not recommended for production release!)`;
+    link.globalOptions.appendIndexHTML = true;
+  }
+
+  if (writeOneLanguage && !(writeOneLanguage in languages)) {
+    logError`Specified to write only ${writeOneLanguage}, but there is no strings file with this language code!`;
+    return false;
+  } else if (writeOneLanguage) {
+    logInfo`Writing only language ${writeOneLanguage} this run.`;
+  } else {
+    logInfo`Writing all languages.`;
+  }
+
+  const selectedPageFlags = Object.keys(cliOptions)
+    .filter(key => pageFlags.includes(key));
+
+  const writeAll = empty(selectedPageFlags) || selectedPageFlags.includes('all');
+  logInfo`Writing site pages: ${writeAll ? 'all' : selectedPageFlags.join(', ')}`;
+
+  await writeSymlinks({
+    srcRootPath,
+    mediaPath,
+    outputPath,
+    urls,
+  });
+
+  await writeSharedFilesAndPages({
+    mediaPath,
+    outputPath,
+    urls,
+
+    language: defaultLanguage,
+    wikiData,
+    wikiDataJSON: generateGlobalWikiDataJSON({
+      serializeThings,
+      wikiData,
+    })
+  });
+
+  const buildSteps = writeAll
+    ? Object.entries(pageSpecs)
+    : Object.entries(pageSpecs)
+        .filter(([flag]) => selectedPageFlags.includes(flag));
+
+  let writes;
+  {
+    let error = false;
+
+    const buildStepsWithTargets = buildSteps
+      .map(([flag, pageSpec]) => {
+        // Condition not met: skip this build step altogether.
+        if (pageSpec.condition && !pageSpec.condition({wikiData})) {
+          return null;
+        }
+
+        // May still call writeTargetless if present.
+        if (!pageSpec.targets) {
+          return {flag, pageSpec, targets: []};
+        }
+
+        if (!pageSpec.write) {
+          logError`${flag + '.targets'} is specified, but ${flag + '.write'} is missing!`;
+          error = true;
+          return null;
+        }
+
+        const targets = pageSpec.targets({wikiData});
+        if (!Array.isArray(targets)) {
+          logError`${flag + '.targets'} was called, but it didn't return an array! (${typeof targets})`;
+          error = true;
+          return null;
+        }
+
+        return {flag, pageSpec, targets};
+      })
+      .filter(Boolean);
+
+    if (error) {
+      return false;
+    }
+
+    writes = progressCallAll('Computing page & data writes.', buildStepsWithTargets.flatMap(({flag, pageSpec, targets}) => {
+      const writesFns = targets.map(target => () => {
+        const writes = pageSpec.write(target, {wikiData})?.slice() || [];
+        const valid = validateWrites(writes, {
+          functionName: flag + '.write',
+          urlSpec,
+        });
+        error ||=! valid;
+        return valid ? writes : [];
+      });
+
+      if (pageSpec.writeTargetless) {
+        writesFns.push(() => {
+          const writes = pageSpec.writeTargetless({wikiData});
+          const valid = validateWrites(writes, {
+            functionName: flag + '.writeTargetless',
+            urlSpec,
+          });
+          error ||=! valid;
+          return valid ? writes : [];
+        });
+      }
+
+      return writesFns;
+    })).flat();
+
+    if (error) {
+      return false;
+    }
+  }
+
+  const pageWrites = writes.filter(({type}) => type === 'page');
+  const dataWrites = writes.filter(({type}) => type === 'data');
+  const redirectWrites = writes.filter(({type}) => type === 'redirect');
+
+  if (writes.length) {
+    logInfo`Total of ${writes.length} writes returned. (${pageWrites.length} page, ${dataWrites.length} data [currently skipped], ${redirectWrites.length} redirect)`;
+  } else {
+    logWarn`No writes returned at all, so exiting early. This is probably a bug!`;
+    return false;
+  }
+
+  /*
+  await progressPromiseAll(`Writing data files shared across languages.`, queue(
+    dataWrites.map(({path, data}) => () => {
+      const bound = {};
+
+      bound.serializeLink = bindOpts(serializeLink, {});
+
+      bound.serializeContribs = bindOpts(serializeContribs, {});
+
+      bound.serializeImagePaths = bindOpts(serializeImagePaths, {
+        thumb
+      });
+
+      bound.serializeCover = bindOpts(serializeCover, {
+        [bindOpts.bindIndex]: 2,
+        serializeImagePaths: bound.serializeImagePaths,
+        urls
+      });
+
+      bound.serializeGroupsForAlbum = bindOpts(serializeGroupsForAlbum, {
+        serializeLink
+      });
+
+      bound.serializeGroupsForTrack = bindOpts(serializeGroupsForTrack, {
+        serializeLink
+      });
+
+      // TODO: This only supports one <>-style argument.
+      return writeData(path[0], path[1], data({...bound}));
+    }),
+    queueSize
+  ));
+  */
+
+  const perLanguageFn = async (language, i, entries) => {
+    const baseDirectory =
+      language === defaultLanguage ? '' : language.code;
+
+    console.log(`\x1b[34;1m${`[${i + 1}/${entries.length}] ${language.code} (-> /${baseDirectory}) `.padEnd(60, '-')}\x1b[0m`);
+
+    await progressPromiseAll(`Writing ${language.code}`, queue([
+      ...pageWrites.map((props) => () => {
+        const {path, page} = props;
+
+        const pageSubKey = path[0];
+        const urlArgs = path.slice(1);
+
+        const localizedPaths = withEntries(languages, entries => entries
+          .filter(([key, language]) => key !== 'default' && !language.hidden)
+          .map(([_key, language]) => [
+            language.code,
+            getPagePaths({
+              outputPath,
+              urls,
+
+              baseDirectory:
+                (language === defaultLanguage
+                  ? ''
+                  : language.code),
+              fullKey: 'localized.' + pageSubKey,
+              urlArgs,
+            }),
+          ]));
+
+        const paths = getPagePaths({
+          outputPath,
+          urls,
+
+          baseDirectory,
+          fullKey: 'localized.' + pageSubKey,
+          urlArgs,
+        });
+
+        const to = getURLsFrom({
+          urls,
+          baseDirectory,
+          pageSubKey,
+          paths,
+        });
+
+        const absoluteTo = (targetFullKey, ...args) => {
+          const [groupKey, subKey] = targetFullKey.split('.');
+          const from = urls.from('shared.root');
+          return (
+            '/' +
+            (groupKey === 'localized' && baseDirectory
+              ? from.to(
+                  'localizedWithBaseDirectory.' + subKey,
+                  baseDirectory,
+                  ...args
+                )
+              : from.to(targetFullKey, ...args))
+          );
+        };
+
+        const bound = bindUtilities({
+          language,
+          to,
+          wikiData,
+        });
+
+        const pageInfo = page({
+          ...bound,
+
+          language,
+
+          absoluteTo,
+          relativeTo: to,
+          to,
+          urls,
+
+          getSizeOfAdditionalFile,
+        });
+
+        const oEmbedJSON = generateOEmbedJSON(pageInfo, {
+          language,
+          wikiData,
+        });
+
+        const oEmbedJSONHref =
+          oEmbedJSON &&
+          wikiData.wikiInfo.canonicalBase &&
+          wikiData.wikiInfo.canonicalBase +
+            urls
+              .from('shared.root')
+              .to('shared.path', paths.pathname + 'oembed.json');
+
+        const pageHTML = generateDocumentHTML(pageInfo, {
+          cachebust,
+          defaultLanguage,
+          developersComment,
+          getThemeString: bound.getThemeString,
+          language,
+          languages,
+          localizedPaths,
+          oEmbedJSONHref,
+          paths,
+          to,
+          transformMultiline: bound.transformMultiline,
+          wikiData,
+        });
+
+        return writePage({
+          html: pageHTML,
+          oEmbedJSON,
+          paths,
+        });
+      }),
+      ...redirectWrites.map(({fromPath, toPath, title: titleFn}) => () => {
+        const title = titleFn({
+          language,
+        });
+
+        const from = getPagePaths({
+          outputPath,
+          urls,
+
+          baseDirectory,
+          fullKey: 'localized.' + fromPath[0],
+          urlArgs: fromPath.slice(1),
+        });
+
+        const to = getURLsFrom({
+          urls,
+          baseDirectory,
+          pageSubKey: fromPath[0],
+          paths: from,
+        });
+
+        const target = to('localized.' + toPath[0], ...toPath.slice(1));
+        const html = generateRedirectHTML(title, target, {language});
+        return writePage({html, paths: from});
+      }),
+    ], queueSize));
+  };
+
+  await wrapLanguages(perLanguageFn, {
+    languages,
+    writeOneLanguage,
+  });
+
+  // The single most important step.
+  logInfo`Written!`;
+  return true;
+}
+
+// Wrapper function for running a function once for all languages.
+async function wrapLanguages(fn, {
+  languages,
+  writeOneLanguage = null,
+}) {
+  const k = writeOneLanguage;
+  const languagesToRun = k ? {[k]: languages[k]} : languages;
+
+  const entries = Object.entries(languagesToRun).filter(
+    ([key]) => key !== 'default'
+  );
+
+  for (let i = 0; i < entries.length; i++) {
+    const [_key, language] = entries[i];
+
+    await fn(language, i, entries);
+  }
+}