28 lines
635 B
JavaScript
28 lines
635 B
JavaScript
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module.exports = configure
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function configure(base, extension) {
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var index = -1
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var 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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base[key] = base[key].concat(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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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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