Added ability to escape '<' character when pasting into blockquotes.

main.ts

@@ -14,7 +14,11 @@ import {
   Setting,
 } from "obsidian";
 
-import { toggleQuote, toggleQuoteInEditor } from "./src/toggle-quote";
+import {
+  escapeRegExp,
+  toggleQuote,
+  toggleQuoteInEditor,
+} from "./src/toggle-quote";
 
 const moment = require("moment");
 
@@ -135,16 +139,20 @@ interface PastetoIndentationPluginSettings {
   saveBase64EncodedFiles: boolean;
   saveFilesLocation: string;
   apiVersion: number;
+  escapeCharactersInBlockquotes: boolean;
 }
 
 const DEFAULT_SETTINGS: PastetoIndentationPluginSettings = {
   blockquotePrefix: "> ",
   mode: Mode.Markdown,
   saveBase64EncodedFiles: false,
   saveFilesLocation: "",
-  apiVersion: 3,
+  apiVersion: 4,
+  escapeCharactersInBlockquotes: false,
 };
 
+const blockquoteCharactersToEscape = "<";
+
 for (const [key, value] of Object.entries(pluginIcons)) {
   addIcon(key, value);
 }
@@ -350,7 +358,34 @@ export default class PastetoIndentationPlugin extends Plugin {
             new RegExp(`^${leadingWhitespace}`),
             ""
           );
+
           output = toggledText.lines.join("\n");
+
+          if (this.settings.escapeCharactersInBlockquotes) {
+            const charactersToEscape = [
+              ...output.matchAll(
+                new RegExp(
+                  `[${escapeRegExp(blockquoteCharactersToEscape)}]`,
+                  "g"
+                )
+              ),
+            ]
+              .map((x) => x.index)
+              .reverse();
+
+            charactersToEscape.forEach((index) => {
+              if (
+                output[Number(index) - 1] !== "\\" &&
+                !(
+                  output[Number(index) - 1] === "\\" &&
+                  output[Number(index) - 2] === "\\"
+                )
+              ) {
+                output =
+                  output.substring(0, index) + "\\" + output.substring(index);
+              }
+            });
+          }
         }
 
         const transaction: EditorTransaction = {
@@ -651,5 +686,22 @@ class SettingTab extends PluginSettingTab {
             await this.plugin.saveSettings();
           })
       );
+
+    new Setting(containerEl)
+      .setName("Escape characters in blockquotes")
+      .setDesc(
+        `When pasting in Text (Blockquote), Code Block (Blockquote), or Markdown (Blockquote) mode, add a backslash escape character to the beginning of "${blockquoteCharactersToEscape}" characters.`
+      )
+      .addToggle((toggle) => {
+        toggle
+          .setValue(
+            this.plugin.settings.escapeCharactersInBlockquotes ||
+              DEFAULT_SETTINGS.escapeCharactersInBlockquotes
+          )
+          .onChange(async (value) => {
+            this.plugin.settings.escapeCharactersInBlockquotes = value;
+            await this.plugin.saveSettings();
+          });
+      });
   }
 }

manifest.json

@@ -1,7 +1,7 @@
 {
   "id": "obsidian-paste-to-current-indentation",
   "name": "Paste to Current Indentation",
-  "version": "3.0.2",
+  "version": "3.1.0",
   "minAppVersion": "0.14.6",
   "description": "This plugin allows pasting and marking text as block-quotes at any level of indentation.",
   "author": "Jacob Levernier",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "obsidian-paste-to-current-indentation",
-  "version": "3.0.2",
+  "version": "3.1.0",
   "description": "This plugin allows pasting and marking text as block-quotes at any level of indentation.",
   "main": "main.js",
   "scripts": {

src/toggle-quote.ts

@@ -4,10 +4,10 @@ import { MarkdownView } from 'obsidian';
 // which, as a code snippet, is in the public domain, per 
 // https://developer.mozilla.org/en-US/docs/MDN/About#copyrights_and_licenses
 // (as of 2021-07-15):
-function escapeRegExp(string: string) {
+export const escapeRegExp = (string: string) => {
   // $& means the whole matched string:
-  return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
-}
+  return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+};
 
 export const toggleQuote = async (
   linesInput: string[],

tsconfig.json

@@ -16,7 +16,7 @@
       "dom",
       "es5",
       "scripthost",
-      "es2020",
+      "es2021",
       "ESNext.String"
     ]
   },

versions.json

@@ -9,5 +9,6 @@
   "2.2.1": "0.14.2",
   "3.0.0": "0.14.6",
   "3.0.1": "0.14.6",
-  "3.0.2": "0.14.6"
+  "3.0.2": "0.14.6",
+  "3.1.0": "0.14.6"
 }