77 lines
2.7 KiB
JavaScript
77 lines
2.7 KiB
JavaScript
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// Generic rounding method
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export const round = (val, decimals=1) => Math.round(val*Math.pow(10, decimals))/Math.pow(10, decimals)
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// Rounds a value in mm
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export const roundMm = (val, units) => {
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if (units === "imperial") return Math.round(val * 1000000) / 1000000;
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else return Math.round(val * 10) / 10;
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}
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// Formatting for imperial values
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export const formatImperial = (neg, inch, numo = false, deno = false, format = 'html') => {
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if (format === 'html') {
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if (numo) return `<span>${neg}${inch} <sup>${numo}</sup>/<sub>${deno}</sub></span>`
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else return `<span>${neg}${inch}</span>`
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} else {
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if (numo) return `${neg}${inch} ${numo}/${deno}`
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else return `${neg}${inch}`
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}
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}
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// Format a value in mm based on the user's units
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export const formatMm = (val, units, format = 'html') => {
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val = roundMm(val)
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if (units === 'imperial') {
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if (val == 0) return formatImperial('', 0, false, false, format)
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let negative = ''
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let inches = ''
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let rest = ''
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let fraction = val / 25.4
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if (fraction < 0) {
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fraction = fraction * -1
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negative = '-'
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}
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if (Math.abs(fraction) < 1) rest = fraction
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else {
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inches = Math.floor(fraction)
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rest = fraction - inches
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}
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let suffix = ''
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if (format === 'html') suffix = '"'
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let fraction128 = Math.round(rest * 128)
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if (fraction128 == 0) return formatImperial(negative, inches, false, false, format)
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if (fraction128 % 64 == 0)
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return formatImperial(negative, inches, fraction128 / 64, 2, format) + suffix
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if (fraction128 % 32 == 0)
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return formatImperial(negative, inches, fraction128 / 32, 4, format) + suffix
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if (fraction128 % 16 == 0)
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return formatImperial(negative, inches, fraction128 / 16, 8, format) + suffix
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if (fraction128 % 8 == 0)
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return formatImperial(negative, inches, fraction128 / 8, 16, format) + suffix
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if (fraction128 % 4 == 0)
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return formatImperial(negative, inches, fraction128 / 4, 32, format) + suffix
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if (fraction128 % 2 == 0)
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return formatImperial(negative, inches, fraction128 / 2, 64, format) + suffix
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return negative + Math.round(fraction * 100) / 100 + suffix
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} else {
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if (format === 'html') return roundMm(val / 10) + 'cm'
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else return roundMm(val / 10)
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}
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}
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// Format a percentage (as in, between 0 and 1)
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export const formatPercentage = val => Math.round(1000*val)/10+'%'
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export const optionType = option => {
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if (typeof option?.pct !== 'undefined') return 'pct'
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if (typeof option?.bool !== 'undefined') return 'bool'
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if (typeof option?.count !== 'undefined') return 'count'
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if (typeof option?.deg !== 'undefined') return 'deg'
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if (typeof option?.list !== 'undefined') return 'list'
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if (typeof option?.mm !== 'undefined') return 'mm'
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return 'constant'
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}
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