kjelsrud.dev/node_modules/mdast-util-to-markdown/lib/configure.js
2023-07-19 21:31:30 +02:00

39 lines
939 B
JavaScript

/**
* @typedef {import('./types.js').Options} Options
* @typedef {import('./types.js').State} State
*/
/**
* @param {State} base
* @param {Options} extension
* @returns {State}
*/
export function configure(base, extension) {
let index = -1
/** @type {keyof Options} */
let key
// First do subextensions.
if (extension.extensions) {
while (++index < extension.extensions.length) {
configure(base, extension.extensions[index])
}
}
for (key in extension) {
if (key === 'extensions') {
// Empty.
} else if (key === 'unsafe' || key === 'join') {
/* c8 ignore next 2 */
// @ts-expect-error: hush.
base[key] = [...(base[key] || []), ...(extension[key] || [])]
} else if (key === 'handlers') {
base[key] = Object.assign(base[key], extension[key] || {})
} else {
// @ts-expect-error: hush.
base.options[key] = extension[key]
}
}
return base
}