Reworking post-svelte build process for the extension

.vite/lib/manifest.js

@@ -0,0 +1,103 @@
+import fs from "fs";
+
+/**
+ * Helper class for processing and using manifest for packing the extension.
+ */
+class ManifestProcessor {
+  /**
+   * Current state of the manifest object.
+   * @type {Manifest}
+   */
+  #manifestObject;
+
+  /**
+   * @param {Manifest} parsedManifest Original manifest contents parsed as JSON object.
+   */
+  constructor(parsedManifest) {
+    this.#manifestObject = parsedManifest;
+  }
+
+  /**
+   * Map over every content script defined in the manifest. If no content scripts defined, no calls will be made to the
+   * callback.
+   *
+   * @param {function(ContentScriptsEntry): Promise<ContentScriptsEntry>} mapCallback Processing function to call on
+   * every entry. Entries should be modified and returned. Function should be asynchronous.
+   *
+   * @return {Promise<void>}
+   */
+  async mapContentScripts(mapCallback) {
+    const contentScripts = this.#manifestObject.content_scripts;
+
+    if (!contentScripts) {
+      console.info('No content scripts to map over.');
+      return;
+    }
+
+    for (let entryIndex = 0; entryIndex < contentScripts.length; entryIndex++) {
+      contentScripts[entryIndex] = await mapCallback(contentScripts[entryIndex]);
+    }
+  }
+
+  /**
+   * Pass the version of the plugin from following package.json file.
+   *
+   * @param {string} packageFilePath Path to the JSON file to parse and extract the version from. If version is not
+   * found, original version will be kept.
+   */
+  passVersionFromPackage(packageFilePath) {
+    /** @type {PackageObject} */
+    const packageObject = JSON.parse(fs.readFileSync(packageFilePath, 'utf8'));
+
+    if (packageObject.version) {
+      this.#manifestObject.version = packageObject.version;
+    }
+  }
+
+  /**
+   * Save the current state of the manifest into the selected file.
+   *
+   * @param {string} manifestFilePath File to write the resulting manifest to. Should be called after all the
+   * modifications.
+   */
+  saveTo(manifestFilePath) {
+    fs.writeFileSync(
+      manifestFilePath,
+      JSON.stringify(this.#manifestObject, null, 2),
+      {
+        encoding: 'utf8'
+      }
+    );
+  }
+}
+
+/**
+ * Load the manifest and create a processor object.
+ *
+ * @param {string} filePath Path to the original manifest file.
+ *
+ * @return {ManifestProcessor} Object for manipulating manifest file.
+ */
+export function loadManifest(filePath) {
+  const manifest = JSON.parse(fs.readFileSync(filePath, 'utf-8'));
+
+  return new ManifestProcessor(manifest);
+}
+
+/**
+ * @typedef {Object} Manifest
+ * @property {string} version
+ * @property {ContentScriptsEntry[]|undefined} content_scripts
+ */
+
+/**
+ * @typedef {Object} ContentScriptsEntry
+ * @property {string[]} mathces
+ * @property {string[]|undefined} js
+ * @property {string[]|undefined} css
+ */
+
+/**
+ * @typedef {Object} PackageObject
+ * @property {string|undefined} version
+ */