Fix email parsing issue in text widget

app/client/src/components/designSystems/blueprint/EmailMatcher.tsx

@@ -0,0 +1,81 @@
+import React from "react";
+import { ChildrenNode, Matcher, MatchResponse, Node } from "interweave";
+import { EmailProps, Email } from "interweave-autolink";
+
+type EmailMatch = Pick<EmailProps, "email" | "emailParts">;
+
+interface CombinePatternsOptions {
+  capture?: boolean;
+  flags?: string;
+  join?: string;
+  match?: string;
+  nonCapture?: boolean;
+}
+
+function combinePatterns(
+  patterns: RegExp[],
+  options: CombinePatternsOptions = {},
+) {
+  let regex = patterns
+    .map((pattern) => pattern.source)
+    .join(options.join || "");
+
+  if (options.capture) {
+    regex = `(${regex})`;
+  } else if (options.nonCapture) {
+    regex = `(?:${regex})`;
+  }
+
+  if (options.match) {
+    regex += options.match;
+  }
+
+  return new RegExp(regex, options.flags || "");
+}
+
+const URL_HOST = combinePatterns(
+  [
+    /(?:(?:[a-z0-9](?:[-a-z0-9_]*[a-z0-9])?)\.)*/, // Subdomain
+    /(?:(?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?)\.)/, // Domain
+    /(?:[a-z](?:[-a-z0-9]*[a-z0-9])?)/, // TLD
+  ],
+  {
+    capture: true,
+  },
+);
+
+const EMAIL_USERNAME_PART = /[.a-z0-9!#$%&?*+=_{|}~-]+/;
+
+const VALID_ALNUM_CHARS = /[a-z0-9]/;
+
+const EMAIL_USERNAME = combinePatterns(
+  [VALID_ALNUM_CHARS, EMAIL_USERNAME_PART, VALID_ALNUM_CHARS],
+  {
+    capture: true,
+  },
+);
+
+export const EMAIL_PATTERN = combinePatterns([EMAIL_USERNAME, URL_HOST], {
+  flags: "i",
+  join: "@",
+});
+
+export default class EmailMatcher extends Matcher<EmailProps> {
+  replaceWith(children: ChildrenNode, props: EmailProps): Node {
+    return React.createElement(Email, props, children);
+  }
+
+  asTag(): string {
+    return "a";
+  }
+
+  match(string: string): MatchResponse<EmailMatch> | null {
+    return this.doMatch(string, EMAIL_PATTERN, (matches) => ({
+      email: matches[0],
+      emailParts: {
+        host: matches[2],
+        username: matches[1],
+      },
+    }));
+  }
+}

app/client/src/components/designSystems/blueprint/TextComponent.tsx

@@ -4,7 +4,8 @@ import styled from "styled-components";
 import { ComponentProps } from "components/designSystems/appsmith/BaseComponent";
 import { TextAlign } from "widgets/TextWidget";
 import Interweave from "interweave";
-import { UrlMatcher, EmailMatcher } from "interweave-autolink";
+import { UrlMatcher } from "interweave-autolink";
+import EmailMatcher, { EMAIL_PATTERN } from "./EmailMatcher";
 import {
   FontStyleTypes,
   TextSize,
@@ -83,6 +84,10 @@ class TextComponent extends React.Component<TextComponentProps> {
       textColor,
       backgroundColor,
     } = this.props;
+    let matchers = [new UrlMatcher("url"), new EmailMatcher("email")];
+    if (text && EMAIL_PATTERN.test(text)) {
+      matchers = [new EmailMatcher("email")];
+    }
     return (
       <TextContainer>
         <StyledText
@@ -95,10 +100,7 @@ class TextComponent extends React.Component<TextComponentProps> {
           backgroundColor={backgroundColor}
           className={this.props.isLoading ? "bp3-skeleton" : "bp3-ui-text"}
         >
-          <Interweave
-            content={text}
-            matchers={[new UrlMatcher("url"), new EmailMatcher("email")]}
-          />
+          <Interweave content={text} matchers={matchers} />
         </StyledText>
       </TextContainer>
     );