Befor generating

2026-06-01 13:17:37 +02:00
parent 3383f4bf4a
commit 1aa1b5f625
6756 changed files with 649946 additions and 1 deletions
@@ -0,0 +1,64 @@
+"use strict";
+const fs = require("fs");
+const { ono } = require("@jsdevtools/ono");
+const url = require("../util/url");
+const { ResolverError } = require("../util/errors");
+
+module.exports = {
+  /**
+   * The order that this resolver will run, in relation to other resolvers.
+   *
+   * @type {number}
+   */
+  order: 100,
+
+  /**
+   * Determines whether this resolver can read a given file reference.
+   * Resolvers that return true will be tried, in order, until one successfully resolves the file.
+   * Resolvers that return false will not be given a chance to resolve the file.
+   *
+   * @param {object} file           - An object containing information about the referenced file
+   * @param {string} file.url       - The full URL of the referenced file
+   * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.)
+   * @returns {boolean}
+   */
+  canRead (file) {
+    return url.isFileSystemPath(file.url);
+  },
+
+  /**
+   * Reads the given file and returns its raw contents as a Buffer.
+   *
+   * @param {object} file           - An object containing information about the referenced file
+   * @param {string} file.url       - The full URL of the referenced file
+   * @param {string} file.extension - The lowercased file extension (e.g. ".txt", ".html", etc.)
+   * @returns {Promise<Buffer>}
+   */
+  read (file) {
+    return new Promise(((resolve, reject) => {
+      let path;
+      try {
+        path = url.toFileSystemPath(file.url);
+      }
+      catch (err) {
+        reject(new ResolverError(ono.uri(err, `Malformed URI: ${file.url}`), file.url));
+      }
+
+      // console.log('Opening file: %s', path);
+
+      try {
+        fs.readFile(path, (err, data) => {
+          if (err) {
+            reject(new ResolverError(ono(err, `Error opening file "${path}"`), path));
+          }
+          else {
+            resolve(data);
+          }
+        });
+      }
+      catch (err) {
+        reject(new ResolverError(ono(err, `Error opening file "${path}"`), path));
+      }
+    }));
+  }
+};