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37 lines
887 B
37 lines
887 B
3 years ago
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var toArr = require('./toArr');
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exports = function() {
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var args = toArr(arguments);
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var names = args.sort(nameSort);
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var ret = {};
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var idleMap = {};
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for (var i = 0, len = names.length; i < len; i++) {
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var str = names[i];
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var nextStr = names[i + 1] || '';
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if (str === nextStr) continue;
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var start = false,
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abbrev = '';
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for (var j = 0, strLen = str.length; j < strLen; j++) {
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abbrev += str[j];
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if (!start && (str[j] !== nextStr[j] || j === strLen - 1))
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start = true;
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if (!start) {
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idleMap[abbrev] = str;
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} else if (!ret[abbrev] && !idleMap[abbrev]) {
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ret[abbrev] = str;
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}
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}
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}
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return ret;
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};
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function nameSort(a, b) {
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return a === b ? 0 : a > b ? 1 : -1;
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}
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module.exports = exports;
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