Initial commit

.editorconfig

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+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 4
+tab_width = 4

.eslintignore

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+node_modules/
+
+main.js

.eslintrc

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+{
+    "root": true,
+    "parser": "@typescript-eslint/parser",
+    "env": { "node": true },
+    "plugins": [
+      "@typescript-eslint"
+    ],
+    "extends": [
+      "eslint:recommended",
+      "plugin:@typescript-eslint/eslint-recommended",
+      "plugin:@typescript-eslint/recommended"
+    ], 
+    "parserOptions": {
+        "sourceType": "module"
+    },
+    "rules": {
+      "no-unused-vars": "off",
+      "@typescript-eslint/no-unused-vars": ["error", { "args": "none" }],
+      "@typescript-eslint/ban-ts-comment": "off",
+      "no-prototype-builtins": "off",
+      "@typescript-eslint/no-empty-function": "off"
+    } 
+  }

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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+# vscode
+.vscode 
+
+# Intellij
+*.iml
+.idea
+
+# npm
+node_modules
+
+# Don't include the compiled main.js file in the repo.
+# They should be uploaded to GitHub releases instead.
+main.js
+
+# Exclude sourcemaps
+*.map
+
+# obsidian
+data.json
+
+# Exclude macOS Finder (System Explorer) View States
+.DS_Store

.npmrc

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+tag-version-prefix=""

README.md

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+# obsidian-auto-embed
+ Obsidian plugin to help embed links using markdown instead of iframe

embeds/codepen.ts

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+import { PluginSettings } from "main";
+import { EmbedBase } from "./embedBase";
+
+export class CodepenEmbed implements EmbedBase {
+    name = "CodePen";
+    regex = new RegExp(/https:\/\/codepen\.io\/(\w+)\/(?:pen)\/(\w+)/);
+
+    createEmbed(link: string, container: HTMLElement, settings: Readonly<PluginSettings>): HTMLElement {
+        const iframe = createEl("iframe", {parent: container});
+
+        let url = link;
+        if (link.contains("?"))
+            url = link.substring(0, link.indexOf("?"));
+        if (link.contains("/pen/"))
+            url = url.replace("/pen/", "/embed/");
+
+        iframe.src = url + "?default-tab=result&editable=true";
+        // iframe.href = url + "?default-tab=result&editable=true";
+        iframe.textContent = "Codepen";
+        container.appendChild(iframe);
+        container.classList.add("codepen");
+
+        return iframe;
+    }
+}

embeds/embedBase.ts

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+import { PluginSettings } from "main";
+
+export interface EmbedBase {
+    readonly name: string;
+    // To identify if the anchor link matches the embed type
+    readonly regex: RegExp; 
+
+    createEmbed(
+        link: string,
+        container: HTMLElement,
+        settings: Readonly<PluginSettings>,
+      ): HTMLElement;
+}

esbuild.config.mjs

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+import esbuild from "esbuild";
+import process from "process";
+import builtins from "builtin-modules";
+
+const banner =
+`/*
+THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
+if you want to view the source, please visit the github repository of this plugin
+*/
+`;
+
+const prod = (process.argv[2] === "production");
+
+const context = await esbuild.context({
+	banner: {
+		js: banner,
+	},
+	entryPoints: ["main.ts"],
+	bundle: true,
+	external: [
+		"obsidian",
+		"electron",
+		"@codemirror/autocomplete",
+		"@codemirror/collab",
+		"@codemirror/commands",
+		"@codemirror/language",
+		"@codemirror/lint",
+		"@codemirror/search",
+		"@codemirror/state",
+		"@codemirror/view",
+		"@lezer/common",
+		"@lezer/highlight",
+		"@lezer/lr",
+		...builtins],
+	format: "cjs",
+	target: "es2018",
+	logLevel: "info",
+	sourcemap: prod ? false : "inline",
+	treeShaking: true,
+	outfile: "main.js",
+});
+
+if (prod) {
+	await context.rebuild();
+	process.exit(0);
+} else {
+	await context.watch();
+}

main.ts

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+import { CodepenEmbed } from 'embeds/codepen';
+import { EmbedBase } from 'embeds/embedBase';
+import { Plugin } from 'obsidian';
+
+// Remember to rename these classes and interfaces!
+
+export interface PluginSettings {
+	mySetting: string;
+}
+
+const DEFAULT_SETTINGS: PluginSettings = {
+	mySetting: 'default'
+}
+
+export default class MyPlugin extends Plugin {
+	settings: PluginSettings;
+	embedSources: EmbedBase[] = [
+		new CodepenEmbed(),
+	]
+
+	async onload() {
+		console.log('loading plugin!!')
+		await this.loadSettings();
+		
+		this.registerMarkdownPostProcessor((el, ctx) => {
+			console.log("Registering markdown")
+			const anchors = el.querySelectorAll('a.external-link') as NodeListOf<HTMLAnchorElement>;
+			anchors.forEach((anchor) => {
+				console.log("Testing: " + anchor.text);
+				this.handleAnchor(anchor);
+			})
+		})
+	}
+
+	onunload() {
+		console.log('unloading plugin')
+	}
+
+	async loadSettings() {
+		this.settings = Object.assign({}, DEFAULT_SETTINGS, await this.loadData());
+	}
+
+	async saveSettings() {
+		await this.saveData(this.settings);
+	}
+
+	private handleAnchor(a: HTMLAnchorElement) { 
+		const innerText = a.innerText;
+		// Removes all spaces
+		const innerTextTrim = innerText.replace(/\s/g, "");
+		
+		if (innerTextTrim.includes("|noembed")) {
+			return;
+		}	
+
+		const href = a.href;
+		
+		console.log("Testing: " + href);
+		const embedSource = this.embedSources.find((source) => {
+			return source.regex.test(href);
+		})
+
+		if (embedSource === undefined) {
+			return;
+		}
+		console.log("Found! : " + href);
+		const embed = this.createEmbed(embedSource, href);
+		this.insertEmbed(a, embed);
+	}
+
+	private createEmbed(embedSource: EmbedBase, link: string) {
+		const container = createDiv({cls: "embed-container"});
+		const embed = embedSource.createEmbed(link, container, this.settings);
+		return embed;
+		return container;
+	}
+
+	private insertEmbed(a: HTMLAnchorElement, container: HTMLElement) {
+		const parent = a.parentElement;
+		parent?.replaceChild(container, a);
+	}
+}

manifest.json

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+{
+	"id": "auto-embed",
+	"name": "Auto Embed",
+	"version": "1.0.0",
+	"minAppVersion": "0.15.0",
+	"description": "Helps to embed links using markdown instead of iframe",
+	"author": "GnoxNahte",
+	"authorUrl": "gnoxnahte.com",
+	"fundingUrl": "https://ko-fi.com/gnoxnahtedev",
+	"isDesktopOnly": false
+}

package.json

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+{
+	"name": "obsidian-sample-plugin",
+	"version": "1.0.0",
+	"description": "This is a sample plugin for Obsidian (https://obsidian.md)",
+	"main": "main.js",
+	"scripts": {
+		"dev": "node esbuild.config.mjs",
+		"build": "tsc -noEmit -skipLibCheck && node esbuild.config.mjs production",
+		"version": "node version-bump.mjs && git add manifest.json versions.json"
+	},
+	"keywords": [],
+	"author": "",
+	"license": "MIT",
+	"devDependencies": {
+		"@types/node": "^16.11.6",
+		"@typescript-eslint/eslint-plugin": "5.29.0",
+		"@typescript-eslint/parser": "5.29.0",
+		"builtin-modules": "3.3.0",
+		"esbuild": "0.17.3",
+		"obsidian": "latest",
+		"tslib": "2.4.0",
+		"typescript": "4.7.4"
+	}
+}

styles.css

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+/*
+
+This CSS file will be included with your plugin, and
+available in the app when your plugin is enabled.
+
+If your plugin does not need CSS, delete this file.
+
+*/
+iframe {
+    width: 100%;
+    min-height: 500px;
+}
+
+iframe.small {
+    min-height: 300px;
+}
+
+iframe.large {
+    min-height: 1000px;
+}
+
+iframe.largest {
+    min-height: calc(100vh - 100px);
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "inlineSourceMap": true,
+    "inlineSources": true,
+    "module": "ESNext",
+    "target": "ES6",
+    "allowJs": true,
+    "noImplicitAny": true,
+    "moduleResolution": "node",
+    "importHelpers": true,
+    "isolatedModules": true,
+	"strictNullChecks": true,
+    "lib": [
+      "DOM",
+      "ES5",
+      "ES6",
+      "ES7"
+    ]
+  },
+  "include": [
+    "**/*.ts"
+  ]
+}

version-bump.mjs

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+import { readFileSync, writeFileSync } from "fs";
+
+const targetVersion = process.env.npm_package_version;
+
+// read minAppVersion from manifest.json and bump version to target version
+let manifest = JSON.parse(readFileSync("manifest.json", "utf8"));
+const { minAppVersion } = manifest;
+manifest.version = targetVersion;
+writeFileSync("manifest.json", JSON.stringify(manifest, null, "\t"));
+
+// update versions.json with target version and minAppVersion from manifest.json
+let versions = JSON.parse(readFileSync("versions.json", "utf8"));
+versions[targetVersion] = minAppVersion;
+writeFileSync("versions.json", JSON.stringify(versions, null, "\t"));

versions.json

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+{
+	"1.0.0": "0.15.0"
+}