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32 lines
777 B
JavaScript
32 lines
777 B
JavaScript
'use strict'
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exports.extractIdsFromSimplePattern = function extractIdsFromSimplePattern(pattern) {
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if (pattern === undefined) {
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return []
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}
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if (pattern !== null && typeof pattern === 'object') {
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let keys = Object.keys(pattern)
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if (keys.length === 1 && keys[0] === 'id') {
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pattern = pattern.id
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if (typeof pattern === 'string') {
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return [pattern]
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}
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if (pattern !== null && typeof pattern === 'object') {
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keys = Object.keys(pattern)
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if (
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keys.length === 1 &&
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keys[0] === '__or' &&
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Array.isArray((pattern = pattern.__or)) &&
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pattern.every(_ => typeof _ === 'string')
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) {
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return pattern
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}
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}
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}
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}
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throw new Error('invalid pattern')
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}
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