githubmirror/obsidian-maps: Map layout for Obsidian Bases. Display your notes as an interactive map view.

src/map/utils.ts
68 строк2 KB
Steph Ango
split up files (#43)
21 ноя 2025, 19:15
21 ноя 2025, 19:1518ab0f6
import { Value, NumberValue, StringValue, ListValue } from 'obsidian';

/**
 * Converts a Value to coordinate tuple [lat, lng]
 */
export function coordinateFromValue(value: Value | null): [number, number] | null {
	let lat: number | null = null;
	let lng: number | null = null;

	// Handle list values (e.g., ["34.1395597", "-118.3870991"] or [34.1395597, -118.3870991])
	if (value instanceof ListValue) {
		if (value.length() >= 2) {
			lat = parseCoordinate(value.get(0));
			lng = parseCoordinate(value.get(1));
		}
	}
	// Handle string values (e.g., "34.1395597,-118.3870991" or "34.1395597, -118.3870991")
	else if (value instanceof StringValue) {
		// Split by comma and handle various spacing
		const parts = value.toString().trim().split(',');
		if (parts.length >= 2) {
			lat = parseCoordinate(parts[0].trim());
			lng = parseCoordinate(parts[1].trim());
		}
	}

	if (lat && lng && verifyLatLng(lat, lng)) {
		return [lat, lng];
	}

	return null;
}

/**
 * Verifies that lat/lng values are within valid ranges
 */
export function verifyLatLng(lat: number, lng: number): boolean {
	return !isNaN(lat) && !isNaN(lng) && lat >= -90 && lat <= 90 && lng >= -180 && lng <= 180;
}

/**
 * Parses a coordinate value from various formats
 */
export function parseCoordinate(value: unknown): number | null {
	if (value instanceof NumberValue) {
		const numData = Number(value.toString());
		return isNaN(numData) ? null : numData;
	}
	if (value instanceof StringValue) {
		const num = parseFloat(value.toString());
		return isNaN(num) ? null : num;
	}
	if (typeof value === 'string') {
		const num = parseFloat(value);
		return isNaN(num) ? null : num;
	}
	if (typeof value === 'number') {
		return isNaN(value) ? null : value;
	}
	return null;
}

/**
 * Wrapper for Object.hasOwn which performs type narrowing
 */
export function hasOwnProperty<K extends PropertyKey>(o: unknown, v: K): o is Record<K, unknown> {
	return o != null && typeof o === 'object' && Object.hasOwn(o, v);
}