WIP - add extractor, generate snippet_data

node_modules/gatsby/dist/utils/cache.js

@@ -0,0 +1,62 @@
+"use strict";
+
+const fs = require(`fs-extra`);
+
+const manager = require(`cache-manager`);
+
+const fsStore = require(`cache-manager-fs-hash`);
+
+const path = require(`path`);
+
+const MAX_CACHE_SIZE = 250;
+const TTL = Number.MAX_SAFE_INTEGER;
+
+class Cache {
+  constructor({
+    name = `db`,
+    store = fsStore
+  } = {}) {
+    this.name = name;
+    this.store = store;
+  }
+
+  get directory() {
+    return path.join(process.cwd(), `.cache/caches/${this.name}`);
+  }
+
+  init() {
+    fs.ensureDirSync(this.directory);
+    const caches = [{
+      store: `memory`,
+      max: MAX_CACHE_SIZE
+    }, {
+      store: this.store,
+      options: {
+        path: this.directory,
+        ttl: TTL
+      }
+    }].map(cache => manager.caching(cache));
+    this.cache = manager.multiCaching(caches);
+    return this;
+  }
+
+  get(key) {
+    return new Promise(resolve => {
+      this.cache.get(key, (err, res) => {
+        resolve(err ? undefined : res);
+      });
+    });
+  }
+
+  set(key, value, args = {}) {
+    return new Promise(resolve => {
+      this.cache.set(key, value, args, err => {
+        resolve(err ? undefined : value);
+      });
+    });
+  }
+
+}
+
+module.exports = Cache;
+//# sourceMappingURL=cache.js.map