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feat!: convert codebase to typescript (#251)
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Fixes #249

- update aegir to get latest linter rules
- minimal changes to vendored code
  - eslint-disable files, add inferred types as jsdocs, move vendor directory under src
- convert all .js files to .ts
- apply all jsdoc type annotations as typescript type annotations
- fix all resulting linter and type issues
- Special attention given to keep any helpful jsdocs

BREAKING CHANGE: this module is now TypeScript - the API has not changed but releasing as a major for saftey

---------

Co-authored-by: Alex Potsides <[email protected]>
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wemeetagain and achingbrain committed Dec 20, 2023
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2 changes: 2 additions & 0 deletions .github/workflows/js-test-and-release.yml
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Expand Up @@ -9,7 +9,9 @@ on:

permissions:
contents: write
id-token: write
packages: write
pull-requests: write

concurrency:
group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event_name == 'push' && github.sha || github.ref }}
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12 changes: 12 additions & 0 deletions .github/workflows/semantic-pull-request.yml
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name: Semantic PR

on:
pull_request_target:
types:
- opened
- edited
- synchronize

jobs:
main:
uses: pl-strflt/.github/.github/workflows/[email protected]
13 changes: 13 additions & 0 deletions .github/workflows/stale.yml
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name: Close and mark stale issue

on:
schedule:
- cron: '0 0 * * *'

permissions:
issues: write
pull-requests: write

jobs:
stale:
uses: pl-strflt/.github/.github/workflows/[email protected]
29 changes: 0 additions & 29 deletions .github/workflows/typecheck.yml

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14 changes: 6 additions & 8 deletions .gitignore
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.coverage
package-lock.json
node_modules
.DS_Store
yarn.lock
types
test/ts-use/tsconfig.tsbuildinfo
types/tsconfig.tsbuildinfo
*.log
build
dist
.docs
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node_modules
package-lock.json
yarn.lock
.vscode
89 changes: 32 additions & 57 deletions README.md
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# multiformats <!-- omit in toc -->

[![multiformats.io](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](http://multiformats.io)
[![codecov](https://img.shields.io/codecov/c/github/multiformats/js-multiformats.svg?style=flat-square)](https://codecov.io/gh/multiformats/js-multiformats)
[![CI](https://img.shields.io/github/actions/workflow/status/multiformats/js-multiformats/js-test-and-release.yml?branch=master\&style=flat-square)](https://github.com/multiformats/js-multiformats/actions/workflows/js-test-and-release.yml?query=branch%3Amaster)

> Interface for multihash, multicodec, multibase and CID
## Table of contents <!-- omit in toc -->

- [Install](#install)
- [Browser `<script>` tag](#browser-script-tag)
- [Interfaces](#interfaces)
- [Creating Blocks](#creating-blocks)
- [Multibase Encoders / Decoders / Codecs](#multibase-encoders--decoders--codecs)
- [Multicodec Encoders / Decoders / Codecs](#multicodec-encoders--decoders--codecs)
- [Multihash Hashers](#multihash-hashers)
- [Traversal](#traversal)
- [Legacy interface](#legacy-interface)
- [Implementations](#implementations)
- [Multibase codecs](#multibase-codecs)
- [Multihash hashers](#multihash-hashers-1)
- [IPLD codecs (multicodec)](#ipld-codecs-multicodec)
- [API Docs](#api-docs)
- [License](#license)
- [Contribution](#contribution)

## Install

```console
$ npm i multiformats
```

### Browser `<script>` tag

Loading this module through a script tag will make it's exports available as `Multiformats` in the global namespace.

```html
<script src="https://unpkg.com/multiformats/dist/index.min.js"></script>
```

## Interfaces
# About

This library defines common interfaces and low level building blocks for various interrelated multiformat technologies (multicodec, multihash, multibase, and CID). They can be used to implement custom base encoders / decoders / codecs, codec encoders /decoders and multihash hashers that comply to the interface that layers above assume.

This library provides implementations for most basics and many others can be found in linked repositories.

```js
```TypeScript
import { CID } from 'multiformats/cid'
import * as json from 'multiformats/codecs/json'
import { sha256 } from 'multiformats/hashes/sha2'
Expand All @@ -57,9 +22,9 @@ const cid = CID.create(1, json.code, hash)
//> CID(bagaaierasords4njcts6vs7qvdjfcvgnume4hqohf65zsfguprqphs3icwea)
```

### Creating Blocks
## Creating Blocks

```js
```TypeScript
import * as Block from 'multiformats/block'
import * as codec from '@ipld/dag-cbor'
import { sha256 as hasher } from 'multiformats/hashes/sha2'
Expand All @@ -80,19 +45,19 @@ block = await Block.decode({ bytes: block.bytes, codec, hasher })
block = await Block.create({ bytes: block.bytes, cid: block.cid, codec, hasher })
```

### Multibase Encoders / Decoders / Codecs
## Multibase Encoders / Decoders / Codecs

CIDs can be serialized to string representation using multibase encoders that implement [`MultibaseEncoder`](https://github.com/multiformats/js-multiformats/blob/master/src/bases/interface.ts) interface. This library provides quite a few implementations that can be imported:

```js
```TypeScript
import { base64 } from "multiformats/bases/base64"
cid.toString(base64.encoder)
//> 'mAYAEEiCTojlxqRTl6svwqNJRVM2jCcPBxy+7mRTUfGDzy2gViA'
```

Parsing CID string serialized CIDs requires multibase decoder that implements [`MultibaseDecoder`](https://github.com/multiformats/js-multiformats/blob/master/src/bases/interface.ts) interface. This library provides a decoder for every encoder it provides:

```js
```TypeScript
CID.parse('mAYAEEiCTojlxqRTl6svwqNJRVM2jCcPBxy+7mRTUfGDzy2gViA', base64.decoder)
//> CID(bagaaierasords4njcts6vs7qvdjfcvgnume4hqohf65zsfguprqphs3icwea)
```
Expand All @@ -102,7 +67,7 @@ them as `encoder` and `decoder` properties. For added convenience codecs also
implement `MultibaseEncoder` and `MultibaseDecoder` interfaces so they could be
used as either or both:

```js
```TypeScript
cid.toString(base64)
CID.parse(cid.toString(base64), base64)
```
Expand All @@ -111,7 +76,7 @@ CID.parse(cid.toString(base64), base64)
multibase codecs so that CIDs can be base serialized to (version specific)
default base encoding and parsed without having to supply base encoders/decoders:

```js
```TypeScript
const v1 = CID.parse('bagaaierasords4njcts6vs7qvdjfcvgnume4hqohf65zsfguprqphs3icwea')
v1.toString()
//> 'bagaaierasords4njcts6vs7qvdjfcvgnume4hqohf65zsfguprqphs3icwea'
Expand All @@ -123,17 +88,13 @@ v0.toV1().toString()
//> 'bafybeihdwdcefgh4dqkjv67uzcmw7ojee6xedzdetojuzjevtenxquvyku'
```

### Multicodec Encoders / Decoders / Codecs
## Multicodec Encoders / Decoders / Codecs

This library defines [`BlockEncoder`, `BlockDecoder` and `BlockCodec` interfaces](https://github.com/multiformats/js-multiformats/blob/master/src/codecs/interface.ts).
Codec implementations should conform to the `BlockCodec` interface which implements both `BlockEncoder` and `BlockDecoder`.
Here is an example implementation of JSON `BlockCodec`.

```js
/**
* @template T
* @type {BlockCodec<0x0200, T>}
*/
```TypeScript
export const { name, code, encode, decode } = {
name: 'json',
code: 0x0200,
Expand All @@ -142,11 +103,11 @@ export const { name, code, encode, decode } = {
}
```

### Multihash Hashers
## Multihash Hashers

This library defines [`MultihashHasher` and `MultihashDigest` interfaces](https://github.com/multiformats/js-multiformats/blob/master/src/hashes/interface.ts) and convinient function for implementing them:

```js
```TypeScript
import * as hasher from 'multiformats/hashes/hasher'

const sha256 = hasher.from({
Expand All @@ -164,13 +125,13 @@ CID.create(1, json.code, hash)
//> CID(bagaaierasords4njcts6vs7qvdjfcvgnume4hqohf65zsfguprqphs3icwea)
```

### Traversal
## Traversal

This library contains higher-order functions for traversing graphs of data easily.

`walk()` walks through the links in each block of a DAG calling a user-supplied loader function for each one, in depth-first order with no duplicate block visits. The loader should return a `Block` object and can be used to inspect and collect block ordering for a full DAG walk. The loader should `throw` on error, and return `null` if a block should be skipped by `walk()`.

```js
```TypeScript
import { walk } from 'multiformats/traversal'
import * as Block from 'multiformats/block'
import * as codec from 'multiformats/codecs/json'
Expand Down Expand Up @@ -243,17 +204,31 @@ Other (less useful) bases implemented in [multiformats/js-multiformats](https://
| `dag-pb` | `@ipld/dag-pb` | [ipld/js-dag-pb](https://github.com/ipld/js-dag-pb) |
| `dag-jose` | `dag-jose` | [ceramicnetwork/js-dag-jose](https://github.com/ceramicnetwork/js-dag-jose) |

## API Docs
# Install

```console
$ npm i multiformats
```

## Browser `<script>` tag

Loading this module through a script tag will make it's exports available as `Multiformats` in the global namespace.

```html
<script src="https://unpkg.com/multiformats/dist/index.min.js"></script>
```

# API Docs

- <https://multiformats.github.io/js-multiformats>

## License
# License

Licensed under either of

- Apache 2.0, ([LICENSE-APACHE](LICENSE-APACHE) / <http://www.apache.org/licenses/LICENSE-2.0>)
- MIT ([LICENSE-MIT](LICENSE-MIT) / <http://opensource.org/licenses/MIT>)

## Contribution
# Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
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