main.ts

import {App, Editor, MarkdownView, Modal, Notice, Plugin, PluginSettingTab, Setting} from "obsidian";

// Remember to rename these classes and interfaces!

interface MyPluginSettings {
	mySetting: string;
}

const DEFAULT_SETTINGS: MyPluginSettings = {
	mySetting: "default"
};

export default class MyPlugin extends Plugin {
	public settings: MyPluginSettings;

	public async onload() {
		await this.loadSettings();

		// This creates an icon in the left ribbon.
		const ribbonIconEl = this.addRibbonIcon("dice", "Sample Plugin", (evt: MouseEvent) => {
			// Called when the user clicks the icon.
			new Notice("This is a notice!");
		});
		// Perform additional things with the ribbon
		ribbonIconEl.addClass("my-plugin-ribbon-class");

		// This adds a status bar item to the bottom of the app. Does not work on mobile apps.
		const statusBarItemEl = this.addStatusBarItem();
		statusBarItemEl.setText("Status Bar Text");

		// This adds a simple command that can be triggered anywhere
		this.addCommand({
			id: "open-sample-modal-simple",
			name: "Open sample modal (simple)",
			callback: () => {
				new SampleModal(this.app).open();
			}
		});
		// This adds an editor command that can perform some operation on the current editor instance
		this.addCommand({
			id: "sample-editor-command",
			name: "Sample editor command",
			editorCallback: (editor: Editor, view: MarkdownView) => {
				console.log(editor.getSelection());
				editor.replaceSelection("Sample Editor Command");
			}
		});
		// This adds a complex command that can check whether the current state of the app allows execution of the command
		this.addCommand({
			id: "open-sample-modal-complex",
			name: "Open sample modal (complex)",
			checkCallback: (checking: boolean) => {
				// Conditions to check
				const markdownView = this.app.workspace.getActiveViewOfType(MarkdownView);
				if (markdownView) {
					// If checking is true, we're simply "checking" if the command can be run.
					// If checking is false, then we want to actually perform the operation.
					if (!checking) {
						new SampleModal(this.app).open();
					}

					// This command will only show up in Command Palette when the check function returns true
					return true;
				}
			}
		});

		// This adds a settings tab so the user can configure various aspects of the plugin
		this.addSettingTab(new SampleSettingTab(this.app, this));

		// If the plugin hooks up any global DOM events (on parts of the app that doesn't belong to this plugin)
		// Using this function will automatically remove the event listener when this plugin is disabled.
		this.registerDomEvent(document, "click", (evt: MouseEvent) => {
			console.log("click", evt);
		});

		// When registering intervals, this function will automatically clear the interval when the plugin is disabled.
		this.registerInterval(window.setInterval(() => console.log("setInterval"), 5 * 60 * 1000));
	}

	public onunload() {

	}

	public async loadSettings() {
		this.settings = Object.assign({}, DEFAULT_SETTINGS, await this.loadData());
	}

	public async saveSettings() {
		await this.saveData(this.settings);
	}
}

class SampleModal extends Modal {
	constructor(app: App) {
		super(app);
	}

	public onOpen() {
		const {contentEl} = this;
		contentEl.setText("Woah!");
	}

	public onClose() {
		const {contentEl} = this;
		contentEl.empty();
	}
}

class SampleSettingTab extends PluginSettingTab {
	public plugin: MyPlugin;

	constructor(app: App, plugin: MyPlugin) {
		super(app, plugin);
		this.plugin = plugin;
	}

	public display(): void {
		const {containerEl} = this;

		containerEl.empty();

		new Setting(containerEl)
			.setName("Setting #1")
			.setDesc("It's a secret")
			.addText((text) => text
				.setPlaceholder("Enter your secret")
				.setValue(this.plugin.settings.mySetting)
				.onChange(async (value) => {
					this.plugin.settings.mySetting = value;
					await this.plugin.saveSettings();
				}));
	}
}