Sun calculation js library which is fully based on formula from http://aa.quae.nl/en/reken/zonpositie.html
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61 lines
1.4 KiB
61 lines
1.4 KiB
7 years ago
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'use strict'
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const typeOf = arg =>
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typeof arg === 'object' ? (arg ? 'object' : 'null')
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: typeof arg
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module.exports = (name_, extra_, cb_, defaultName) => {
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let name
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let extra
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let cb
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const args = [name_, extra_, cb_]
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// this only works if it's literally the 4th argument.
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// used internally.
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defaultName = defaultName || ''
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for (let i = 0; i < 3 && i < args.length; i++) {
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const arg = args[i]
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const type = typeOf(arg)
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if (name === undefined && (type === 'string' || type === 'number'))
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name = '' + arg
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else if (type === 'object') {
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extra = arg
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if (name === undefined)
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name = null
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} else if (type === 'function') {
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if (extra === undefined)
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extra = {}
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if (name === undefined)
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name = null
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cb = arg
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} else if (arg === false) {
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// it's handy while developing to put a ! in front of a
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// function to temporarily make a test todo
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continue
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} else if (type !== 'undefined')
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throw new TypeError('unknown argument passed to parseTestArgs: ' + type)
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}
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if (!extra)
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extra = {}
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if (!cb && defaultName !== '/dev/stdin')
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extra.todo = true
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if (!name && extra.name)
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name = extra.name
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if (!name && cb && cb.name)
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name = cb.name
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name = name || defaultName
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extra.name = name
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extra.cb = cb || todoCb
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return extra
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}
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const todoCb = () => {
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throw new Error('callback called for TODO test')
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}
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