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Simple JSON "database" for Deno with type-safety! ⚡️

License: MIT License

TypeScript 100.00%

database deno json prototyping

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casualdb's Issues

Is this scalable? Can I store million records without losing performance?

Hey,
I am doing a blog project with Deno and Drash. Can I store millions of posts, perform millions of read, write requests? My blog is small now but once it will go big, I still want to use casualdb for its easy API.

dep. error in bundle

Hi, screenshot with error:
https://user-images.githubusercontent.com/75129392/102114936-27d4f000-3e7e-11eb-9e7f-c51d92412a51.jpg

Support for TTL

I think an in-memory DB like this can also benefit from having a functionality of expiring keys.
Like in redis, a TTL could be specified for the keys and the keys would be deleted (soft) after the time.

Failed to run on latest deno.

Code,

import { CasualDB } from "https://deno.land/x/[email protected]/mod.ts";

Looks like it's a problem with the std library, but not so sure which one calls that.

A number of imports are now missing

I managed to get this working by cloning the repo and updating the imports to use either older versions or other URLs but I'm just letting you know that it looks like there are a few 404 errors now when trying to import.

eg.

error: Import 'https://deno.land/x/[email protected]/matches.js' failed: 404 Not Found
Imported from "file:///C:/Users/phocks/Sites/rise/lib/CasualDB/operator/collection.ts:1"

I changed to import matches from "https://deno.land/x/[email protected]/matches.js";

error: Uncaught Error: Import 'https://deno.land/[email protected]/fs/write_json.ts' failed: 404 Not Found
Imported from "file:///C:/Users/phocks/Sites/rise/lib/CasualDB/writeWorker.ts:1"

I changed to: import { writeJson } from 'https://deno.land/x/jsonfile/mod.ts';

etc.

Version v0.1.3 missing from Deno website

The new tag did not appear on deno.land/x
Do you have the GitHub hook properly set up?
This might be because of renaming the master branch to main.

Uncaught Error: send failed because receiver is gone

I'm getting a Uncaught Error: send failed because receiver is gone error when I run the following:

import { CasualDB } from "https://deno.land/x/casualdb/mod.ts";
interface Schema {
  items: Array<{
      id: number
      time: number;
      version: string;
      dateCreated: string;
      dateModified: string;
      blocks: Array<{
        type: string;
        data: {[key: string]: any};
      }>;
    }>;
}
 
const db = new CasualDB<Schema>();

await db.connect("./posts.json");

const data = await db.get<Schema["items"]>('items');

console.log(data.value())

I'm using the following to run the script:

deno run --allow-read --allow-write --unstable main.ts

deno --version yields:

deno 1.1.2
v8 8.5.216
typescript 3.9.2

Any ideas? I'm a total noob with deno, so apologies if the solution is simple.

[Bug] Quick usage example does not run.

Steps to reproduce.

Create a blank .ts file.
Paste in Quick Usage code with the correct import statement for CasualDB.
Execute the code using deno run --allow-read --allow-write --unstable .\index.ts
Observe the following error:

error: Uncaught Error: Cannot resolve module "file:///D:/source/denoPortfolio/database/writeWorker.ts"
    at WorkerImpl.#poll ($deno$/web/workers.ts:198:17)

My source: https://gist.github.com/Tezza48/2618a1d52e894d68e79161afcfa098cf

About me:
I am a web game developer from England at a small studio, working in Typescript. I'm using Deno purely for for learning, currently working on a blog/portfolio.

Using casualdb with JavaScript yields compiler errors

Hi, I wanted to use casualdb in Deno with JavaScript instead of TypeScript, but it was giving me compiler errors.

Here's my JavaScript code:

import { CasualDB } from "https://deno.land/x/[email protected]/mod.ts";

// interface Schema {
//     data: any
// }

const db = new CasualDB()

await db.connect('./db.json')

And here are the errors I'm getting:

error: TS2345 [ERROR]: Argument of type 'Object' is not assignable to parameter of type 'Schema'.
  'Schema' could be instantiated with an arbitrary type which could be unrelated to 'Object'.
    The 'Object' type is assignable to very few other types. Did you mean to use the 'any' type instead?
    return this._connector.write(updatedData);
                                 ~~~~~~~~~~~
    at https://deno.land/x/[email protected]/mod.ts:32:34

TS2769 [ERROR]: No overload matches this call.
  Overload 1 of 2, '(callbackfn: (value: Op, index: number, array: Op[]) => value is Op, thisArg?: any): Op[]', gave the following error.
    Argument of type 'Function' is not assignable to parameter of type '(value: Op, index: number, array: Op[]) => value is Op'.
      Type 'Function' provides no match for the signature '(value: Op, index: number, array: Op[]): value is Op'.
  Overload 2 of 2, '(callbackfn: (value: Op, index: number, array: Op[]) => unknown, thisArg?: any): Op[]', gave the following error.
    Argument of type 'Function' is not assignable to parameter of type '(value: Op, index: number, array: Op[]) => unknown'.
      Type 'Function' provides no match for the signature '(value: Op, index: number, array: Op[]): unknown'.
    const filtered = this.data.filter(predicateFunction);
                                      ~~~~~~~~~~~~~~~~~
    at https://deno.land/x/[email protected]/operator/collection.ts:52:39

TS2345 [ERROR]: Argument of type 'U[]' is not assignable to parameter of type '(string | string[])[]'.
  Type 'U' is not assignable to type 'string | string[]'.
    Type 'keyof Op' is not assignable to type 'string | string[]'.
      Type 'string | number | symbol' is not assignable to type 'string | string[]'.
        Type 'number' is not assignable to type 'string | string[]'.
          Type 'keyof Op' is not assignable to type 'string[]'.
            Type 'U' is not assignable to type 'string[]'.
              Type 'keyof Op' is not assignable to type 'string[]'.
                Type 'string | number | symbol' is not assignable to type 'string[]'.
                  Type 'string' is not assignable to type 'string[]'.
    const picked = pick(this.data, ...paths) as { [P in U]: Op[P] };
                                   ~~~~~~~~
    at https://deno.land/x/[email protected]/operator/primitive.ts:24:36

Found 3 errors.

Porting the code to TypeScript doesn't throw any errors and works fine, creating the db.json file with an empty object as expected.

import { CasualDB } from "https://deno.land/x/[email protected]/mod.ts";

interface Schema {
    data: any
}

const db = new CasualDB<Schema>()

await db.connect('./db.json')

I suspected it might be because of the missing type argument, but removing it from the TypeScript example didn't throw any errors, it worked just the same.

campvanilla / casualdb Goto Github PK

casualdb's People

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casualdb's Issues

Is this scalable? Can I store million records without losing performance?

dep. error in bundle

Support for TTL

Failed to run on latest deno.

A number of imports are now missing

Version v0.1.3 missing from Deno website

Uncaught Error: send failed because receiver is gone

[Bug] Quick usage example does not run.

Using casualdb with JavaScript yields compiler errors

will you implement node tree searching?

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