Update to Node20/ESM (#47)

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 21.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -37,7 +37,7 @@ jobs:
     name: Branch Build
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 21.x]
     steps:
       - uses: actions/checkout@v3
         with:

.github/workflows/publish.yml

@@ -7,6 +7,9 @@ on:
 jobs:
   publish:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
     name: Publish to NPM
     steps:
       - uses: actions/checkout@v3
@@ -21,6 +24,6 @@ jobs:
       - name: Run Test
         run: npm run test
       - name: Publish
-        run: npm publish
+        run: npm publish --provenance
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN_PUBLISH }}

LICENSE.txt

@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2021-2023 Check Digit, LLC
+Copyright (c) 2021-2024 Check Digit, LLC
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -4,7 +4,7 @@
 [![Dependency Status](https://img.shields.io/npm/v/asyncerator.svg)](https://www.npmjs.com/package/asyncerator)
 [![Dependency Status](https://img.shields.io/npm/dt/asyncerator.svg)](https://www.npmjs.com/package/asyncerator)
 
-Copyright (c) 2021-2023 [Check Digit, LLC](https://checkdigit.com)
+Copyright (c) 2021–2024 [Check Digit, LLC](https://checkdigit.com)
 
 ## Introduction
 
@@ -136,7 +136,7 @@ will be first, the slowest last.
 ### `merge<T>(...iterators: Asyncable<T | Asyncable<T>>[]): Asyncerator<T>`
 
 Merge multiple asyncables into a single Asyncerator. If an iterator yields another Asyncerator,
-merge it's output into the stream.
+merge its output into the stream.
 
 ### `series<T>(...iterators: Asyncable<T>[]): Asyncerator<T>`
 
@@ -194,7 +194,7 @@ function map<Input, Output>(mapFunction: (value: Input) => Output): Operator<Inp
 }
 ```
 
-It is straightforward to create custom operators, and mix with streams, but it is important to note how they relate to
+It is straightforward to create custom operators and mix with streams, but it is important to note how they relate to
 streams:
 
 - returning (exiting) out of the function is equivalent to the `end` event of a stream. The pipeline will complete.
@@ -237,7 +237,7 @@ up to 128 `concurrent` values to be processed.
 The `sequenceFunction` will be called repeatedly with an incrementing numerical parameter, returning a Promise
 that resolves with the same type as Input and is inserted into the stream. The sequence operator
 passes through all other values. Because the `sequenceFunction` returns a Promise, it
-can delay its response (using setTimeout) to emit values on a regular schedule, e.g. once a second:
+can delay its response (using setTimeout) to emit values on a regular schedule, e.g., once a second:
 
 ```
 pipeline(

SECURITY.md

@@ -6,8 +6,8 @@ These versions of `asyncerator` are currently being supported with security upda
 
 | Version | Supported          |
 | ------- | ------------------ |
-| \>= 3.x | :white_check_mark: |
-| \< 3.0  | :x:                |
+| \>= 4.x | :white_check_mark: |
+| \< 4.0  | :x:                |
 
 ## Reporting a Vulnerability