Core Data: Draft a type for an Entity's config paramater

packages/core-data/src/types.ts

@@ -0,0 +1,85 @@
+export type Context = 'edit' | 'embed' | 'view';
+
+interface Edit {}
+
+// @ts-ignore
+export interface EntityRecord< C extends Context > {}
+
+export interface EntityConfig< Record extends EntityRecord<any> > {
+	/** Path in WP REST API from which to request records of this entity. */
+	baseURL: string;
+
+	/** Arguments to supply by default to API requests for records of this entity. */
+	baseURLParams: { context: Context };
+
+	/**
+	 * Returns the title for a given record of this entity.
+	 *
+	 * Some entities have an associated title, such as the name of a
+	 * particular template part ("full width") or of a menu ("main nav").
+	 */
+	getTitle( record: Record ): string;
+
+	/**
+	 * Indicates an alternate field in record that can be used for identification.
+	 *
+	 * e.g. a post has an id but may also be uniquely identified by its `slug`
+	 */
+	key: string;
+
+	/**
+	 * Collection in which to classify records of this entity.
+	 *
+	 * 'root' is a special name given to the core entities provided by the editor.
+	 *
+	 * It may be the case that we request an entity record for which we have no
+	 * valid config in memory. In these cases the editor will look for a loader
+	 * function to requests more entity configs from the server for the given
+	 * "kind." This is how WordPress defers loading of template entity configs.
+	 */
+	kind: string;
+
+	/** Translated form of human-recognizable name or reference to records of this entity. */
+	label: string;
+
+	/** @TODO: What is this? */
+	mergedEdits: {
+		meta?: boolean;
+	}
+
+	/** Name given to records of this entity, e.g. 'media', 'postType', 'widget' */
+	name: string;
+
+	/**
+	 * Manually provided plural form of the entity name.
+	 *
+	 * When not supplied the editor will attempt to auto-generate a plural form.
+	 */
+	plural: string;
+
+	/**
+	 * Fields in record of this entity which may appear as a compound object with
+	 * a source value (`raw`) as well as a processed value (`rendered`).
+	 *
+	 * e.g. a post's `content` in the edit context contains the raw value stored
+	 *      in the database as well as the rendered version with shortcodes replaced,
+	 *      content texturized, blocks transformed, etc…
+	 */
+	rawAttributes: (keyof Record)[];
+
+	/**
+	 * Which transient edit operations records of this entity support.
+	 */
+	transientEdits: {
+		blocks?: boolean;
+		selection?: boolean;
+	}
+
+	// Unstable properties
+
+	/** Returns additional changes before applying edits to a record of this entity. */
+	__unstablePrePersist( record: Record, edits: Edit[] ): Edit[];
+
+	/** @TODO: What is this? Used in `canEdit()` */
+	__unstable_rest_base: string;
+}