blank project

node_modules/astro/dist/assets/fonts/orchestrate.js

@@ -0,0 +1,160 @@
+import * as unifont from "unifont";
+import { LOCAL_PROVIDER_NAME } from "./constants.js";
+import { extractUnifontProviders } from "./logic/extract-unifont-providers.js";
+import { normalizeRemoteFontFaces } from "./logic/normalize-remote-font-faces.js";
+import { optimizeFallbacks } from "./logic/optimize-fallbacks.js";
+import { resolveFamilies } from "./logic/resolve-families.js";
+import { resolveLocalFont } from "./providers/local.js";
+import {
+  pickFontFaceProperty,
+  renderFontWeight,
+  unifontFontFaceDataToProperties
+} from "./utils.js";
+async function orchestrate({
+  families,
+  hasher,
+  remoteFontProviderResolver,
+  localProviderUrlResolver,
+  storage,
+  cssRenderer,
+  systemFallbacksProvider,
+  fontMetricsResolver,
+  fontTypeExtractor,
+  fontFileReader,
+  logger,
+  createUrlProxy,
+  defaults,
+  bold,
+  stringMatcher
+}) {
+  let resolvedFamilies = await resolveFamilies({
+    families,
+    hasher,
+    remoteFontProviderResolver,
+    localProviderUrlResolver
+  });
+  const extractedUnifontProvidersResult = extractUnifontProviders({
+    families: resolvedFamilies,
+    hasher
+  });
+  resolvedFamilies = extractedUnifontProvidersResult.families;
+  const unifontProviders = extractedUnifontProvidersResult.providers;
+  const { resolveFont, listFonts } = await unifont.createUnifont(unifontProviders, {
+    storage
+  });
+  const fontFileDataMap = /* @__PURE__ */ new Map();
+  const internalConsumableMap = /* @__PURE__ */ new Map();
+  const consumableMap = /* @__PURE__ */ new Map();
+  for (const family of resolvedFamilies) {
+    const preloadData = [];
+    const consumableMapValue = [];
+    let css = "";
+    const collectedFonts = [];
+    const fallbacks = family.fallbacks ?? defaults.fallbacks ?? [];
+    const urlProxy = createUrlProxy({
+      local: family.provider === LOCAL_PROVIDER_NAME,
+      hasUrl: (hash) => fontFileDataMap.has(hash),
+      saveUrl: ({ hash, url, init }) => {
+        fontFileDataMap.set(hash, { url, init });
+      },
+      savePreload: (preload) => {
+        preloadData.push(preload);
+      },
+      saveFontData: (collected) => {
+        if (fallbacks && fallbacks.length > 0 && // If the same data has already been sent for this family, we don't want to have
+        // duplicated fallbacks. Such scenario can occur with unicode ranges.
+        !collectedFonts.some((f) => JSON.stringify(f.data) === JSON.stringify(collected.data))) {
+          collectedFonts.push(collected);
+        }
+      },
+      cssVariable: family.cssVariable
+    });
+    let fonts;
+    if (family.provider === LOCAL_PROVIDER_NAME) {
+      const result = resolveLocalFont({
+        family,
+        urlProxy,
+        fontTypeExtractor,
+        fontFileReader
+      });
+      fonts = result.fonts;
+    } else {
+      const result = await resolveFont(
+        family.name,
+        // We do not merge the defaults, we only provide defaults as a fallback
+        {
+          weights: family.weights ?? defaults.weights,
+          styles: family.styles ?? defaults.styles,
+          subsets: family.subsets ?? defaults.subsets,
+          fallbacks: family.fallbacks ?? defaults.fallbacks
+        },
+        // By default, unifont goes through all providers. We use a different approach where
+        // we specify a provider per font. Name has been set while extracting unifont providers
+        // from families (inside extractUnifontProviders).
+        [family.provider.name]
+      );
+      if (result.fonts.length === 0) {
+        logger.warn(
+          "assets",
+          `No data found for font family ${bold(family.name)}. Review your configuration`
+        );
+        const availableFamilies = await listFonts([family.provider.name]);
+        if (availableFamilies && !availableFamilies.includes(family.name)) {
+          logger.warn(
+            "assets",
+            `${bold(family.name)} font family cannot be retrieved by the provider. Did you mean ${bold(stringMatcher.getClosestMatch(family.name, availableFamilies))}?`
+          );
+        }
+      }
+      fonts = normalizeRemoteFontFaces({ fonts: result.fonts, urlProxy, fontTypeExtractor });
+    }
+    for (const data of fonts) {
+      css += cssRenderer.generateFontFace(
+        family.nameWithHash,
+        unifontFontFaceDataToProperties({
+          src: data.src,
+          weight: data.weight,
+          style: data.style,
+          // User settings override the generated font settings. We use a helper function
+          // because local and remote providers store this data in different places.
+          display: pickFontFaceProperty("display", { data, family }),
+          unicodeRange: pickFontFaceProperty("unicodeRange", { data, family }),
+          stretch: pickFontFaceProperty("stretch", { data, family }),
+          featureSettings: pickFontFaceProperty("featureSettings", { data, family }),
+          variationSettings: pickFontFaceProperty("variationSettings", { data, family })
+        })
+      );
+      consumableMapValue.push({
+        weight: renderFontWeight(data.weight),
+        style: data.style,
+        src: data.src.filter((src) => "url" in src).map((src) => ({
+          url: src.url,
+          format: src.format,
+          tech: src.tech
+        }))
+      });
+    }
+    const cssVarValues = [family.nameWithHash];
+    const optimizeFallbacksResult = await optimizeFallbacks({
+      family,
+      fallbacks,
+      collectedFonts,
+      enabled: family.optimizedFallbacks ?? defaults.optimizedFallbacks ?? false,
+      systemFallbacksProvider,
+      fontMetricsResolver
+    });
+    if (optimizeFallbacksResult) {
+      css += optimizeFallbacksResult.css;
+      cssVarValues.push(...optimizeFallbacksResult.fallbacks);
+    } else {
+      cssVarValues.push(...fallbacks);
+    }
+    css += cssRenderer.generateCssVariable(family.cssVariable, cssVarValues);
+    internalConsumableMap.set(family.cssVariable, { preloadData, css });
+    consumableMap.set(family.cssVariable, consumableMapValue);
+  }
+  return { fontFileDataMap, internalConsumableMap, consumableMap };
+}
+export {
+  orchestrate
+};