Function normalizeTransforms

lib/transform/normalize.js:8–11

(stdioItems, optionName, direction, options)

// Transforms generators/duplex/TransformStream can have multiple shapes.
// This normalizes it and applies default values.
export const normalizeTransforms = (stdioItems, optionName, direction, options) => [
	...stdioItems.filter(({type}) => !TRANSFORM_TYPES.has(type)),
	...getTransforms(stdioItems, optionName, direction, options),
];

const getTransforms = (stdioItems, optionName, direction, {encoding}) => {
	const transforms = stdioItems.filter(({type}) => TRANSFORM_TYPES.has(type));