/script-kiddie/002_script_kiddie/script-kiddie/node_modules/abbrev/abbrev.js |
@@ -0,0 +1,61 @@ |
module.exports = exports = abbrev.abbrev = abbrev |
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abbrev.monkeyPatch = monkeyPatch |
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function monkeyPatch () { |
Object.defineProperty(Array.prototype, 'abbrev', { |
value: function () { return abbrev(this) }, |
enumerable: false, configurable: true, writable: true |
}) |
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Object.defineProperty(Object.prototype, 'abbrev', { |
value: function () { return abbrev(Object.keys(this)) }, |
enumerable: false, configurable: true, writable: true |
}) |
} |
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function abbrev (list) { |
if (arguments.length !== 1 || !Array.isArray(list)) { |
list = Array.prototype.slice.call(arguments, 0) |
} |
for (var i = 0, l = list.length, args = [] ; i < l ; i ++) { |
args[i] = typeof list[i] === "string" ? list[i] : String(list[i]) |
} |
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// sort them lexicographically, so that they're next to their nearest kin |
args = args.sort(lexSort) |
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// walk through each, seeing how much it has in common with the next and previous |
var abbrevs = {} |
, prev = "" |
for (var i = 0, l = args.length ; i < l ; i ++) { |
var current = args[i] |
, next = args[i + 1] || "" |
, nextMatches = true |
, prevMatches = true |
if (current === next) continue |
for (var j = 0, cl = current.length ; j < cl ; j ++) { |
var curChar = current.charAt(j) |
nextMatches = nextMatches && curChar === next.charAt(j) |
prevMatches = prevMatches && curChar === prev.charAt(j) |
if (!nextMatches && !prevMatches) { |
j ++ |
break |
} |
} |
prev = current |
if (j === cl) { |
abbrevs[current] = current |
continue |
} |
for (var a = current.substr(0, j) ; j <= cl ; j ++) { |
abbrevs[a] = current |
a += current.charAt(j) |
} |
} |
return abbrevs |
} |
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function lexSort (a, b) { |
return a === b ? 0 : a > b ? 1 : -1 |
} |