ESMultiloader

Node.js ESM loader for chaining multiple custom loaders.

Warning This package has been deprecated

Multiple loaders are natively supported by Node.js v18.6+, you may still use this package for Node.js v16.12 to v18.5, but it will not be being maintained.

Fast and lightweight
No configuration required, but configurable if needed
Usage compliant with Node's own loader middleware chaining proposal
Supports all three resolve, load and globalPreload loader hooks

Install

npm i esmultiloader

Usage

node --loader loader2 --loader ./loader1.js --loader esmultiloader file.js

Optional Configuration

Options can be passed to esmultiloader to configure it's behavior using the following / separated list syntax:

node --loader esmultiloader/booleanoption/option=123/...

Where:

booleanoption is a true/false option which is implicitly true when passed as an option.
option is an option with a required value to be passed after the =, default values for these options vary per option.
The first instance of a duplicated option takes precedence.
A trailing slash does not matter.

Option	Type	Default	Description
`iterative` or `ltr`	Boolean	`false`	Chain loaders from left-to-right as described by the iterative chaining proposal instead of right-to-left. (Mutually exclusive with the option below)
`middleware` or `rtl`	Boolean	`true`	Chain loaders from right-to-left as described by the middleware chaining proposal instead of left-to-right. (Mutually exclusive with the option above)
`debug`	Boolean	`false`	Enable printing of `esmultiloader` debug logs.

License

jhmaster2000/esmultiloader

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