4078143969

Build Type

push

github

Committed by Christopher Caldwell

Commit Message

bump version

Run Details

3593 of 8015 branches covered (44.83%)

Branch coverage included in aggregate %.

15102 of 20471 relevant lines covered (73.77%)

1564.55 hits per line

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64.71

/lib/context/context.ts

import { Db } from '../db/db';
import { DBAdapter } from '../db/dbAdapter';
import { SqliteAdapter } from '../db/sqliteAdapter';
import { SqljsAdapter } from '../db/sqljsAdapter';
import { Canvas } from '../canvas/canvas';
import { CanvasAdapter } from '../canvas/canvasAdapter';
import { CanvasKitCanvasAdapter } from '../canvas/canvasKitCanvasAdapter';
import { HtmlCanvasAdapter } from '../canvas/htmlCanvasAdapter';
import { OffscreenCanvasAdapter } from '../canvas/offscreenCanvasAdapter';

export class Context {
  static isNode: boolean = typeof process !== 'undefined' && process.versions != null && process.versions.node != null;
  static isBrowser: boolean = typeof window !== 'undefined' && typeof window.document !== 'undefined';
  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
  // @ts-ignore
  static isWebWorker: boolean = typeof importScripts !== 'undefined';

  static async initializeContext(): Promise<void> {
    await Canvas.initializeAdapter();
  }

  /**
   * Registers the sqlite adapter. Will check for better-sqlite3 dependency before trying.
   * @private
   */
  private static registerSqliteAdapter(): void {
    try {
      // better-sqlite3 is an optional dependency
      require('better-sqlite3');
      Db.registerDbAdapter(SqliteAdapter);
    } catch (e) {
      console.error(
        'Unable to register SqliteAdapter. The better-sqlite3 module was not found. Falling back to SqljsAdapter.',
      );
      // fallback to sqljs adapter
      Db.registerDbAdapter(SqljsAdapter);
    }
  }

  /**
   * Sets up GeoPackage for Node.js
   */
  static setupNodeContext(): void {
    Context.registerSqliteAdapter();
    Canvas.registerCanvasAdapter(CanvasKitCanvasAdapter);
    // TODO: think about catching an uncaught error
    // process.on('uncaughtException', () => {});
  }

  /**
   * Sets up GeoPackage for Browser
   */
  static setupBrowserContext(): void {
    Db.registerDbAdapter(SqljsAdapter);
    Canvas.registerCanvasAdapter(HtmlCanvasAdapter);
  }

  /**
   * Sets up GeoPackage for WebWorker
   */
  static setupWebWorkerContext(): void {
    Db.registerDbAdapter(SqljsAdapter);
    Canvas.registerCanvasAdapter(OffscreenCanvasAdapter);
  }

  /**
   * Will attempt to register a custom context.
   * @param dbAdapter
   * @param canvasAdapter
   */
  static setupCustomContext(
    dbAdapter: new (path: string | Buffer | Uint8Array | undefined) => DBAdapter,
    canvasAdapter: new () => CanvasAdapter,
  ): void {
    Db.registerDbAdapter(dbAdapter);
    Canvas.registerCanvasAdapter(canvasAdapter);
  }

  static setupDefaultContext(): void {
    if (Context.isNode) {
      Context.setupNodeContext();
    } else if (Context.isBrowser) {
      Context.setupBrowserContext();
    } else if (Context.isWebWorker) {
      Context.setupWebWorkerContext();
    }
  }
}

1	import { Db } from '../db/db';	1✔
2	import { DBAdapter } from '../db/dbAdapter';
3	import { SqliteAdapter } from '../db/sqliteAdapter';	1✔
4	import { SqljsAdapter } from '../db/sqljsAdapter';	1✔
5	import { Canvas } from '../canvas/canvas';	1✔
6	import { CanvasAdapter } from '../canvas/canvasAdapter';
7	import { CanvasKitCanvasAdapter } from '../canvas/canvasKitCanvasAdapter';	1✔
8	import { HtmlCanvasAdapter } from '../canvas/htmlCanvasAdapter';	1✔
9	import { OffscreenCanvasAdapter } from '../canvas/offscreenCanvasAdapter';	1✔
10
11	export class Context {	1✔
12	static isNode: boolean = typeof process !== 'undefined' && process.versions != null && process.versions.node != null;	1✔
13	static isBrowser: boolean = typeof window !== 'undefined' && typeof window.document !== 'undefined';	1!
14	// eslint-disable-next-line @typescript-eslint/ban-ts-comment
15	// @ts-ignore
16	static isWebWorker: boolean = typeof importScripts !== 'undefined';	1✔
17
18	static async initializeContext(): Promise<void> {	1✔
19	await Canvas.initializeAdapter();	2✔
20	}
21
22	/**
23	* Registers the sqlite adapter. Will check for better-sqlite3 dependency before trying.
24	* @private
25	*/
26	private static registerSqliteAdapter(): void {	1✔
27	try {	2✔
28	// better-sqlite3 is an optional dependency
29	require('better-sqlite3');	2✔
30	Db.registerDbAdapter(SqliteAdapter);	2✔
31	} catch (e) {
32	console.error(	×
33	'Unable to register SqliteAdapter. The better-sqlite3 module was not found. Falling back to SqljsAdapter.',
34	);
35	// fallback to sqljs adapter
36	Db.registerDbAdapter(SqljsAdapter);	×
37	}
38	}
39
40	/**
41	* Sets up GeoPackage for Node.js
42	*/
43	static setupNodeContext(): void {	1✔
44	Context.registerSqliteAdapter();	2✔
45	Canvas.registerCanvasAdapter(CanvasKitCanvasAdapter);	2✔
46	// TODO: think about catching an uncaught error
47	// process.on('uncaughtException', () => {});
48	}
49
50	/**
51	* Sets up GeoPackage for Browser
52	*/
53	static setupBrowserContext(): void {	1✔
54	Db.registerDbAdapter(SqljsAdapter);	×
55	Canvas.registerCanvasAdapter(HtmlCanvasAdapter);	×
56	}
57
58	/**
59	* Sets up GeoPackage for WebWorker
60	*/
61	static setupWebWorkerContext(): void {	1✔
62	Db.registerDbAdapter(SqljsAdapter);	×
63	Canvas.registerCanvasAdapter(OffscreenCanvasAdapter);	×
64	}
65
66	/**
67	* Will attempt to register a custom context.
68	* @param dbAdapter
69	* @param canvasAdapter
70	*/
71	static setupCustomContext(	1✔
72	dbAdapter: new (path: string \| Buffer \| Uint8Array \| undefined) => DBAdapter,
73	canvasAdapter: new () => CanvasAdapter,
74	): void {
75	Db.registerDbAdapter(dbAdapter);	×
76	Canvas.registerCanvasAdapter(canvasAdapter);	×
77	}
78
79	static setupDefaultContext(): void {	1✔
80	if (Context.isNode) {	1!
81	Context.setupNodeContext();	1✔
82	} else if (Context.isBrowser) {	×
83	Context.setupBrowserContext();	×
84	} else if (Context.isWebWorker) {	×
85	Context.setupWebWorkerContext();	×
86	}
87	}
88	}	1✔

ngageoint / geopackage-js / 4078143969

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