update eslint

update eslint to version 9

fix README syntax error

Merge pull request #51 from iambumblehead/fix-syntax-error-at-readme

fix syntax error at README

new option ignoreEmptyArray

add support for 'ignoreEmptyArray'

• add support for option 'ignoreEmptyArray', credit @Sanva
• remove ava and update unit-test pipeline to node v20
• normalize git url at package.json

Add ESM types subpath, ts

improve package.json import export re TypeScript 4.7 NodeNext, credit @scott-lc

use prepublishOnly rather than prepare

"prepare" could called when package is installed, which is not wanted

update typescript definition

• update typescript definition

version bump, remove package-lock

version bump, remove package-lock -- no dependencies anyway and make bot and audit warnings go away

remove babel dependencies

• remove babel dependencies

add README.md to published files list

• add README.md to published files list

use node 15 for build and publish

• use node 15 for build and publish