init

scripts/content.js

@@ -0,0 +1,64 @@
+chrome.runtime.onMessage.addListener(
+    function (request, sender, sendResponse) {
+        // console.log(request);
+        if (request.from == "doExtractRequest") {
+            // console.log(request);
+            let data = extractData(request.itemsSelector, request.fieldSelectors);
+            // console.log(data);
+            sendResponse(data);
+        } else if (request.from == "doExtractGotoUrl") {
+            // console.log(request);
+            window.location.replace(request.url);
+        } else if (request.from == "doExtractReportIn") {
+            // console.log("doExtractReportIn");
+            sendResponse(request.from);
+        }
+    }
+);
+
+function extractData(itemsSelector, fieldSelectors) {
+    return $(itemsSelector).toArray().map(
+        item => fieldSelectors.map(
+            cls => $(item).find(cls).toArray().map(find => find.textContent.trim()).join('\n')
+        )
+    );
+}
+
+function extract(...args) {
+    let sig = `Invalid call args.
+function extract(itemsSelector:string, fieldSelectors:string[])
+function extract(itemsSelector:string, fieldSelectors:string[], url:string, from:number, to:number, interval:number)
+function extract(itemsSelector:string, fieldSelectors:string, url:string, pages:number[])`;
+    if (!testArgs(...args)) {
+        console.log(sig);
+        return;
+    }
+    if (args.length == 2) {
+        saveFileAsk(extractData(args[0], args[1]));
+        return;
+    }
+    let message = {
+        from: "doExtractRequest",
+        args: args
+    }
+    chrome.runtime.sendMessage(message, r => {
+        if (r) {
+            console.log(r);
+            alert(r);
+        }
+    });
+}
+
+function testArgs(...args) {
+
+    if (args.length < 2) return false;
+
+    if (args.length == 2)
+        return (args[0] && args[1] && (typeof args[0] == "string") && (args[1] instanceof Array))
+
+    let urls = [];
+    if (args.length > 2) return (typeof args[2] == "string") && (
+        (args[3] instanceof Array) ||
+        (!isNaN(args[3]) && !isNaN(args[4]) && !isNaN(args[5]))
+    )
+}