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Object Oriented Thinking

by Tiago Jacinto
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Description

The Object Oriented Thinking plugin introduces inheritance like behaviour to notes by allowing one note to extend another using frontmatter properties. It provides utility methods for querying and determining hierarchical relationships between notes, enabling advanced workflows where child notes can inherit attributes from parent notes. Developers can leverage these methods in Dataview queries or custom scripts to build dynamic, object-oriented structures within their vault. This makes it particularly useful for organising complex systems like task hierarchies, documentation, or knowledge bases.

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Latest Version

1.0.10
9 months ago

Changelog

See all version on GitHub

README file from

Github

Object Oriented Thinking

Add inheritance-like behavior to notes.

Usage

1. Extend

In a note's frontmatter, add the property (default: extends) with a link to the parent note:

---
extends: [[ParentNote]]
---

2. Query

Using utility methods: getObjectFileByPath(path).isDescendantOf(parentObjectFile)

Methods

oot.getObjectFileByLink(link: [[${string}]]): TFile & {isDescendantOf: (parentFile: TFile) => boolean} | null
Examples
const taskObjectFile = oot.getObjectFileByLink("[[Task]]")

dv.table(["File"], dv.pages().where(page => {
  const pageObjectFile = oot.getObjectFileByPath(page.file.path)

  return pageObjectFile?.isDescendantOf(taskObjectFile)
}).map(p => [p.file.link]))
oot.getObjectFileByPath(path: string): TFile & {isDescendantOf: (parentFile: TFile) => boolean} | null
Examples
const currentObjectFile = oot.getObjectFileByPath(dv.current().file.path);

dv.table(
	['File'],
	dv
		.pages()
		.where((page) => {
			const pageObjectFile = oot.getObjectFileByPath(page.file.path);

			return pageObjectFile?.isDescendantOf(currentObjectFile);
		})
		.map((p) => [p.file.link]),
);

Defining your own functions

You can define your own functions like this or use javascript loader plugins like CustomJS:

const isDescendantOf = (parentObjectFile) => (page) => oot.getObjectFileByPath(page.file.path)?.isDescendantOf(parentObjectFile) ?? false

const taskObjectFile = oot.getObjectFileByLink("[[Inbox/Task|Task]]")

dv.table(["File"], dv.pages().where(isDescendantOf(taskObjectFile)).map(p => [p.file.link]))

Manually installing the plugin

  • Copy over main.js, styles.css, manifest.json to your vault VaultFolder/.obsidian/plugins/your-plugin-id/.
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