rename watchman to watch

for simplicity

scripts/external/watch.js

@@ -0,0 +1,65 @@
+/* Watchman.js
+Be sensitive to changes and update the state.
+*/
+
+let main = (async () => {
+	// Import modules.
+	let filters = new ((await import(chrome.runtime.getURL("scripts/filters.js"))).default);
+	const processor = (await import(chrome.runtime.getURL("scripts/external/processor.js"))).default;
+
+	class watchman {
+		/* Check the current URL.
+
+			@param {string} URL the page URL; default value is the current webpage
+			@return {dictionary} the filter to follow
+			*/
+		static async observe(URL = window.location.href) {
+			// Create the variable to determine the corresponding key.
+			let activity = await filters.select(URL);
+
+			return activity;
+		}
+
+		/* Act on the page.
+
+		@param {dictionary} filters the filter to work with
+		@return {boolean} the state
+		*/
+		static act(matches) {
+			console.log("ShopAI works here! Click on the button in the toolbar or website to start.");
+			// Show loading screen while the load is incomplete. 
+			
+			let PROC = new processor(matches);
+			
+			// Begin only when the page is fully loaded. 
+			window.addEventListener(`load`, (event) => {
+				
+				// Remove the loading screen. 
+				
+			});
+		}
+
+		/* Set the program to standby utnil next load.
+		 */
+		static standby() {
+			// Set the icon to indicate that it's not active. 
+		}
+
+		static async job() {
+			/* The main action. */
+			
+			(watchman.observe()).then((RULES) => {
+				if (RULES && Object.keys(RULES).length !== 0) {
+					watchman.act(RULES);
+				} else {
+					watchman.standby();
+				}
+			});
+		}
+	}
+
+	watchman.job();
+});
+
+
+main();