ref(browser): Extract private methods from breadcrumbs (#4296)

Co-authored-by: Armin Ronacher <[email protected]>

Author: AbhiPrasad

packages/browser/src/integrations/breadcrumbs.ts

@@ -85,84 +85,47 @@ export class Breadcrumbs implements Integration {
   public setupOnce(): void {
     if (this._options.console) {
       addInstrumentationHandler({
-        callback: (...args) => {
-          this._consoleBreadcrumb(...args);
-        },
+        callback: _consoleBreadcrumb,
         type: 'console',
       });
     }
     if (this._options.dom) {
       addInstrumentationHandler({
-        callback: (...args) => {
-          this._domBreadcrumb(...args);
-        },
+        callback: _domBreadcrumb(this._options.dom),
         type: 'dom',
       });
     }
     if (this._options.xhr) {
       addInstrumentationHandler({
-        callback: (...args) => {
-          this._xhrBreadcrumb(...args);
-        },
+        callback: _xhrBreadcrumb,
         type: 'xhr',
       });
     }
     if (this._options.fetch) {
       addInstrumentationHandler({
-        callback: (...args) => {
-          this._fetchBreadcrumb(...args);
-        },
+        callback: _fetchBreadcrumb,
         type: 'fetch',
       });
     }
     if (this._options.history) {
       addInstrumentationHandler({
-        callback: (...args) => {
-          this._historyBreadcrumb(...args);
-        },
+        callback: _historyBreadcrumb,
         type: 'history',
       });
     }
   }
+}
 
-  /**
-   * Creates breadcrumbs from console API calls
-   */
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private _consoleBreadcrumb(handlerData: { [key: string]: any }): void {
-    const breadcrumb = {
-      category: 'console',
-      data: {
-        arguments: handlerData.args,
-        logger: 'console',
-      },
-      level: Severity.fromString(handlerData.level),
-      message: safeJoin(handlerData.args, ' '),
-    };
-
-    if (handlerData.level === 'assert') {
-      if (handlerData.args[0] === false) {
-        breadcrumb.message = `Assertion failed: ${safeJoin(handlerData.args.slice(1), ' ') || 'console.assert'}`;
-        breadcrumb.data.arguments = handlerData.args.slice(1);
-      } else {
-        // Don't capture a breadcrumb for passed assertions
-        return;
-      }
-    }
-
-    getCurrentHub().addBreadcrumb(breadcrumb, {
-      input: handlerData.args,
-      level: handlerData.level,
-    });
-  }
-
-  /**
-   * Creates breadcrumbs from DOM API calls
-   */
+/**
+ * A HOC that creaes a function that creates breadcrumbs from DOM API calls.
+ * This is a HOC so that we get access to dom options in the closure.
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function _domBreadcrumb(dom: BreadcrumbsOptions['dom']): (handlerData: { [key: string]: any }) => void {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private _domBreadcrumb(handlerData: { [key: string]: any }): void {
+  function _innerDomBreadcrumb(handlerData: { [key: string]: any }): void {
     let target;
-    let keyAttrs = typeof this._options.dom === 'object' ? this._options.dom.serializeAttribute : undefined;
+    let keyAttrs = typeof dom === 'object' ? dom.serializeAttribute : undefined;
 
     if (typeof keyAttrs === 'string') {
       keyAttrs = [keyAttrs];
@@ -194,117 +157,150 @@ export class Breadcrumbs implements Integration {
     );
   }
 
-  /**
-   * Creates breadcrumbs from XHR API calls
-   */
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private _xhrBreadcrumb(handlerData: { [key: string]: any }): void {
-    if (handlerData.endTimestamp) {
-      // We only capture complete, non-sentry requests
-      if (handlerData.xhr.__sentry_own_request__) {
-        return;
-      }
-
-      const { method, url, status_code, body } = handlerData.xhr.__sentry_xhr__ || {};
+  return _innerDomBreadcrumb;
+}
 
-      getCurrentHub().addBreadcrumb(
-        {
-          category: 'xhr',
-          data: {
-            method,
-            url,
-            status_code,
-          },
-          type: 'http',
-        },
-        {
-          xhr: handlerData.xhr,
-          input: body,
-        },
-      );
+/**
+ * Creates breadcrumbs from console API calls
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function _consoleBreadcrumb(handlerData: { [key: string]: any }): void {
+  const breadcrumb = {
+    category: 'console',
+    data: {
+      arguments: handlerData.args,
+      logger: 'console',
+    },
+    level: Severity.fromString(handlerData.level),
+    message: safeJoin(handlerData.args, ' '),
+  };
 
+  if (handlerData.level === 'assert') {
+    if (handlerData.args[0] === false) {
+      breadcrumb.message = `Assertion failed: ${safeJoin(handlerData.args.slice(1), ' ') || 'console.assert'}`;
+      breadcrumb.data.arguments = handlerData.args.slice(1);
+    } else {
+      // Don't capture a breadcrumb for passed assertions
       return;
     }
   }
 
-  /**
-   * Creates breadcrumbs from fetch API calls
-   */
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private _fetchBreadcrumb(handlerData: { [key: string]: any }): void {
-    // We only capture complete fetch requests
-    if (!handlerData.endTimestamp) {
-      return;
-    }
+  getCurrentHub().addBreadcrumb(breadcrumb, {
+    input: handlerData.args,
+    level: handlerData.level,
+  });
+}
 
-    if (handlerData.fetchData.url.match(/sentry_key/) && handlerData.fetchData.method === 'POST') {
-      // We will not create breadcrumbs for fetch requests that contain `sentry_key` (internal sentry requests)
+/**
+ * Creates breadcrumbs from XHR API calls
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function _xhrBreadcrumb(handlerData: { [key: string]: any }): void {
+  if (handlerData.endTimestamp) {
+    // We only capture complete, non-sentry requests
+    if (handlerData.xhr.__sentry_own_request__) {
       return;
     }
 
-    if (handlerData.error) {
-      getCurrentHub().addBreadcrumb(
-        {
-          category: 'fetch',
-          data: handlerData.fetchData,
-          level: Severity.Error,
-          type: 'http',
-        },
-        {
-          data: handlerData.error,
-          input: handlerData.args,
-        },
-      );
-    } else {
-      getCurrentHub().addBreadcrumb(
-        {
-          category: 'fetch',
-          data: {
-            ...handlerData.fetchData,
-            status_code: handlerData.response.status,
-          },
-          type: 'http',
-        },
-        {
-          input: handlerData.args,
-          response: handlerData.response,
+    const { method, url, status_code, body } = handlerData.xhr.__sentry_xhr__ || {};
+
+    getCurrentHub().addBreadcrumb(
+      {
+        category: 'xhr',
+        data: {
+          method,
+          url,
+          status_code,
         },
-      );
-    }
-  }
+        type: 'http',
+      },
+      {
+        xhr: handlerData.xhr,
+        input: body,
+      },
+    );
 
-  /**
-   * Creates breadcrumbs from history API calls
-   */
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private _historyBreadcrumb(handlerData: { [key: string]: any }): void {
-    const global = getGlobalObject<Window>();
-    let from = handlerData.from;
-    let to = handlerData.to;
-    const parsedLoc = parseUrl(global.location.href);
-    let parsedFrom = parseUrl(from);
-    const parsedTo = parseUrl(to);
+    return;
+  }
+}
 
-    // Initial pushState doesn't provide `from` information
-    if (!parsedFrom.path) {
-      parsedFrom = parsedLoc;
-    }
+/**
+ * Creates breadcrumbs from fetch API calls
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function _fetchBreadcrumb(handlerData: { [key: string]: any }): void {
+  // We only capture complete fetch requests
+  if (!handlerData.endTimestamp) {
+    return;
+  }
 
-    // Use only the path component of the URL if the URL matches the current
-    // document (almost all the time when using pushState)
-    if (parsedLoc.protocol === parsedTo.protocol && parsedLoc.host === parsedTo.host) {
-      to = parsedTo.relative;
-    }
-    if (parsedLoc.protocol === parsedFrom.protocol && parsedLoc.host === parsedFrom.host) {
-      from = parsedFrom.relative;
-    }
+  if (handlerData.fetchData.url.match(/sentry_key/) && handlerData.fetchData.method === 'POST') {
+    // We will not create breadcrumbs for fetch requests that contain `sentry_key` (internal sentry requests)
+    return;
+  }
 
-    getCurrentHub().addBreadcrumb({
-      category: 'navigation',
-      data: {
-        from,
-        to,
+  if (handlerData.error) {
+    getCurrentHub().addBreadcrumb(
+      {
+        category: 'fetch',
+        data: handlerData.fetchData,
+        level: Severity.Error,
+        type: 'http',
+      },
+      {
+        data: handlerData.error,
+        input: handlerData.args,
       },
-    });
+    );
+  } else {
+    getCurrentHub().addBreadcrumb(
+      {
+        category: 'fetch',
+        data: {
+          ...handlerData.fetchData,
+          status_code: handlerData.response.status,
+        },
+        type: 'http',
+      },
+      {
+        input: handlerData.args,
+        response: handlerData.response,
+      },
+    );
   }
 }
+
+/**
+ * Creates breadcrumbs from history API calls
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function _historyBreadcrumb(handlerData: { [key: string]: any }): void {
+  const global = getGlobalObject<Window>();
+  let from = handlerData.from;
+  let to = handlerData.to;
+  const parsedLoc = parseUrl(global.location.href);
+  let parsedFrom = parseUrl(from);
+  const parsedTo = parseUrl(to);
+
+  // Initial pushState doesn't provide `from` information
+  if (!parsedFrom.path) {
+    parsedFrom = parsedLoc;
+  }
+
+  // Use only the path component of the URL if the URL matches the current
+  // document (almost all the time when using pushState)
+  if (parsedLoc.protocol === parsedTo.protocol && parsedLoc.host === parsedTo.host) {
+    to = parsedTo.relative;
+  }
+  if (parsedLoc.protocol === parsedFrom.protocol && parsedLoc.host === parsedFrom.host) {
+    from = parsedFrom.relative;
+  }
+
+  getCurrentHub().addBreadcrumb({
+    category: 'navigation',
+    data: {
+      from,
+      to,
+    },
+  });
+}