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