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add theme assets to offline definition

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This commit is contained in:
Bruno Windels 2020-08-12 16:40:28 +02:00
parent fc8d2efaf2
commit e1a5c362dc
2 changed files with 19 additions and 6 deletions
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17
scripts/build.mjs
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@ -89,7 +89,7 @@ async function build() {
} }
await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes); await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes);
if (offline) { if (offline) {
await buildOffline(version, bundleName); await buildOffline(version, bundleName, themeAssets);
} }
console.log(`built ${PROJECT_ID}${legacy ? " legacy" : ""} ${version} successfully`); console.log(`built ${PROJECT_ID}${legacy ? " legacy" : ""} ${version} successfully`);
@ -196,9 +196,17 @@ async function buildJsLegacy(bundleName) {
}); });
} }
async function buildOffline(version, bundleName) { async function buildOffline(version, bundleName, themeAssets) {
const {offlineAssets, cacheAssets} = themeAssets.reduce((result, asset) => {
if (asset.endsWith(".css")) {
result.offlineAssets.push(asset);
} else {
result.cacheAssets.push(asset);
}
return result;
}, {offlineAssets: [], cacheAssets: []});
// write offline availability // write offline availability
const offlineFiles = [bundleName, `${PROJECT_ID}.css`, "index.html", "icon-192.png"]; const offlineFiles = [bundleName, `${PROJECT_ID}.css`, "index.html", "icon-192.png"].concat(offlineAssets);
// write appcache manifest // write appcache manifest
const manifestLines = [ const manifestLines = [
@ -214,7 +222,8 @@ async function buildOffline(version, bundleName) {
// write service worker // write service worker
let swSource = await fs.readFile(path.join(projectDir, "src/service-worker.template.js"), "utf8"); let swSource = await fs.readFile(path.join(projectDir, "src/service-worker.template.js"), "utf8");
swSource = swSource.replace(`"%%VERSION%%"`, `"${version}"`); swSource = swSource.replace(`"%%VERSION%%"`, `"${version}"`);
swSource = swSource.replace(`"%%FILES%%"`, JSON.stringify(offlineFiles)); swSource = swSource.replace(`"%%OFFLINE_FILES%%"`, JSON.stringify(offlineFiles));
swSource = swSource.replace(`"%%CACHE_FILES%%"`, JSON.stringify(cacheAssets));
await fs.writeFile(path.join(targetDir, "sw.js"), swSource, "utf8"); await fs.writeFile(path.join(targetDir, "sw.js"), swSource, "utf8");
// write web manifest // write web manifest
const webManifest = { const webManifest = {

8
src/service-worker.template.js
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@ -15,13 +15,17 @@ limitations under the License.
*/ */
const VERSION = "%%VERSION%%"; const VERSION = "%%VERSION%%";
const FILES = "%%FILES%%";
const cacheName = `brawl-${VERSION}`; const cacheName = `brawl-${VERSION}`;
const OFFLINE_FILES = "%%OFFLINE_FILES%%";
// TODO: cache these files when requested
// The difficulty is that these are relative filenames, and we don't have access to document.baseURI
// Clients.match({type: "window"}).url and assume they are all the same? they really should be ... safari doesn't support this though
const CACHE_FILES = "%%CACHE_FILES%%";
self.addEventListener('install', function(e) { self.addEventListener('install', function(e) {
e.waitUntil( e.waitUntil(
caches.open(cacheName).then(function(cache) { caches.open(cacheName).then(function(cache) {
return cache.addAll(FILES); return cache.addAll(OFFLINE_FILES);
}) })
); );
}); });