57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
module.exports = function (sch) {
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var noComments = function (line) {
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var i = line.indexOf('//')
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return i > -1 ? line.slice(0, i) : line
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}
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var noMultilineComments = function () {
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var inside = false
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return function (token) {
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if (token === '/*') {
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inside = true
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return false
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}
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if (token === '*/') {
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inside = false
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return false
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}
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return !inside
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}
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}
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var trim = function (line) {
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return line.trim()
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}
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var removeQuotedLines = function (list) {
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return function (str) {
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var s = '$' + list.length + '$'
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list.push(str)
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return s
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}
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}
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var restoreQuotedLines = function (list) {
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var re = /^\$(\d+)\$$/
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return function (line) {
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var m = line.match(re)
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return m ? list[+m[1]] : line
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}
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}
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var replacements = []
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return sch
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.replace(/"(\\"|[^"\n])*?"|'(\\'|[^'\n])*?'/gm, removeQuotedLines(replacements))
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.replace(/([;,{}()=:[\]<>]|\/\*|\*\/)/g, ' $1 ')
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.split(/\n/)
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.map(trim)
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.filter(Boolean)
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.map(noComments)
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.map(trim)
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.filter(Boolean)
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.join('\n')
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.split(/\s+|\n+/gm)
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.filter(noMultilineComments())
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.map(restoreQuotedLines(replacements))
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}
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