gitlab-org--gitlab-foss/vendor/assets/javascripts/fuzzaldrin-plus.js

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/*!
* fuzzaldrin-plus.js - 0.3.1
* https://github.com/jeancroy/fuzzaldrin-plus
*
* Copyright 2016 - Jean Christophe Roy
* Released under the MIT license
* https://github.com/jeancroy/fuzzaldrin-plus/raw/master/LICENSE.md
*/
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
fuzzaldrinPlus = require('fuzzaldrin-plus');
},{"fuzzaldrin-plus":3}],2:[function(require,module,exports){
(function() {
var PathSeparator, legacy_scorer, pluckCandidates, scorer, sortCandidates;
scorer = require('./scorer');
legacy_scorer = require('./legacy');
pluckCandidates = function(a) {
return a.candidate;
};
sortCandidates = function(a, b) {
return b.score - a.score;
};
PathSeparator = require('path').sep;
module.exports = function(candidates, query, _arg) {
var allowErrors, bAllowErrors, bKey, candidate, coreQuery, key, legacy, maxInners, maxResults, prepQuery, queryHasSlashes, score, scoredCandidates, spotLeft, string, _i, _j, _len, _len1, _ref;
_ref = _arg != null ? _arg : {}, key = _ref.key, maxResults = _ref.maxResults, maxInners = _ref.maxInners, allowErrors = _ref.allowErrors, legacy = _ref.legacy;
scoredCandidates = [];
spotLeft = (maxInners != null) && maxInners > 0 ? maxInners : candidates.length;
bAllowErrors = !!allowErrors;
bKey = key != null;
prepQuery = scorer.prepQuery(query);
if (!legacy) {
for (_i = 0, _len = candidates.length; _i < _len; _i++) {
candidate = candidates[_i];
string = bKey ? candidate[key] : candidate;
if (!string) {
continue;
}
score = scorer.score(string, query, prepQuery, bAllowErrors);
if (score > 0) {
scoredCandidates.push({
candidate: candidate,
score: score
});
if (!--spotLeft) {
break;
}
}
}
} else {
queryHasSlashes = prepQuery.depth > 0;
coreQuery = prepQuery.core;
for (_j = 0, _len1 = candidates.length; _j < _len1; _j++) {
candidate = candidates[_j];
string = key != null ? candidate[key] : candidate;
if (!string) {
continue;
}
score = legacy_scorer.score(string, coreQuery, queryHasSlashes);
if (!queryHasSlashes) {
score = legacy_scorer.basenameScore(string, coreQuery, score);
}
if (score > 0) {
scoredCandidates.push({
candidate: candidate,
score: score
});
}
}
}
scoredCandidates.sort(sortCandidates);
candidates = scoredCandidates.map(pluckCandidates);
if (maxResults != null) {
candidates = candidates.slice(0, maxResults);
}
return candidates;
};
}).call(this);
},{"./legacy":4,"./scorer":6,"path":7}],3:[function(require,module,exports){
(function() {
var PathSeparator, filter, legacy_scorer, matcher, prepQueryCache, scorer;
scorer = require('./scorer');
legacy_scorer = require('./legacy');
filter = require('./filter');
matcher = require('./matcher');
PathSeparator = require('path').sep;
prepQueryCache = null;
module.exports = {
filter: function(candidates, query, options) {
if (!((query != null ? query.length : void 0) && (candidates != null ? candidates.length : void 0))) {
return [];
}
return filter(candidates, query, options);
},
prepQuery: function(query) {
return scorer.prepQuery(query);
},
score: function(string, query, prepQuery, _arg) {
var allowErrors, coreQuery, legacy, queryHasSlashes, score, _ref;
_ref = _arg != null ? _arg : {}, allowErrors = _ref.allowErrors, legacy = _ref.legacy;
if (!((string != null ? string.length : void 0) && (query != null ? query.length : void 0))) {
return 0;
}
if (prepQuery == null) {
prepQuery = prepQueryCache && prepQueryCache.query === query ? prepQueryCache : (prepQueryCache = scorer.prepQuery(query));
}
if (!legacy) {
score = scorer.score(string, query, prepQuery, !!allowErrors);
} else {
queryHasSlashes = prepQuery.depth > 0;
coreQuery = prepQuery.core;
score = legacy_scorer.score(string, coreQuery, queryHasSlashes);
if (!queryHasSlashes) {
score = legacy_scorer.basenameScore(string, coreQuery, score);
}
}
return score;
},
match: function(string, query, prepQuery, _arg) {
var allowErrors, baseMatches, matches, query_lw, string_lw, _i, _ref, _results;
allowErrors = (_arg != null ? _arg : {}).allowErrors;
if (!string) {
return [];
}
if (!query) {
return [];
}
if (string === query) {
return (function() {
_results = [];
for (var _i = 0, _ref = string.length; 0 <= _ref ? _i < _ref : _i > _ref; 0 <= _ref ? _i++ : _i--){ _results.push(_i); }
return _results;
}).apply(this);
}
if (prepQuery == null) {
prepQuery = prepQueryCache && prepQueryCache.query === query ? prepQueryCache : (prepQueryCache = scorer.prepQuery(query));
}
if (!(allowErrors || scorer.isMatch(string, prepQuery.core_lw, prepQuery.core_up))) {
return [];
}
string_lw = string.toLowerCase();
query_lw = prepQuery.query_lw;
matches = matcher.match(string, string_lw, prepQuery);
if (matches.length === 0) {
return matches;
}
if (string.indexOf(PathSeparator) > -1) {
baseMatches = matcher.basenameMatch(string, string_lw, prepQuery);
matches = matcher.mergeMatches(matches, baseMatches);
}
return matches;
}
};
}).call(this);
},{"./filter":2,"./legacy":4,"./matcher":5,"./scorer":6,"path":7}],4:[function(require,module,exports){
(function() {
var PathSeparator, queryIsLastPathSegment;
PathSeparator = require('path').sep;
exports.basenameScore = function(string, query, score) {
var base, depth, index, lastCharacter, segmentCount, slashCount;
index = string.length - 1;
while (string[index] === PathSeparator) {
index--;
}
slashCount = 0;
lastCharacter = index;
base = null;
while (index >= 0) {
if (string[index] === PathSeparator) {
slashCount++;
if (base == null) {
base = string.substring(index + 1, lastCharacter + 1);
}
} else if (index === 0) {
if (lastCharacter < string.length - 1) {
if (base == null) {
base = string.substring(0, lastCharacter + 1);
}
} else {
if (base == null) {
base = string;
}
}
}
index--;
}
if (base === string) {
score *= 2;
} else if (base) {
score += exports.score(base, query);
}
segmentCount = slashCount + 1;
depth = Math.max(1, 10 - segmentCount);
score *= depth * 0.01;
return score;
};
exports.score = function(string, query) {
var character, characterScore, indexInQuery, indexInString, lowerCaseIndex, minIndex, queryLength, queryScore, stringLength, totalCharacterScore, upperCaseIndex, _ref;
if (string === query) {
return 1;
}
if (queryIsLastPathSegment(string, query)) {
return 1;
}
totalCharacterScore = 0;
queryLength = query.length;
stringLength = string.length;
indexInQuery = 0;
indexInString = 0;
while (indexInQuery < queryLength) {
character = query[indexInQuery++];
lowerCaseIndex = string.indexOf(character.toLowerCase());
upperCaseIndex = string.indexOf(character.toUpperCase());
minIndex = Math.min(lowerCaseIndex, upperCaseIndex);
if (minIndex === -1) {
minIndex = Math.max(lowerCaseIndex, upperCaseIndex);
}
indexInString = minIndex;
if (indexInString === -1) {
return 0;
}
characterScore = 0.1;
if (string[indexInString] === character) {
characterScore += 0.1;
}
if (indexInString === 0 || string[indexInString - 1] === PathSeparator) {
characterScore += 0.8;
} else if ((_ref = string[indexInString - 1]) === '-' || _ref === '_' || _ref === ' ') {
characterScore += 0.7;
}
string = string.substring(indexInString + 1, stringLength);
totalCharacterScore += characterScore;
}
queryScore = totalCharacterScore / queryLength;
return ((queryScore * (queryLength / stringLength)) + queryScore) / 2;
};
queryIsLastPathSegment = function(string, query) {
if (string[string.length - query.length - 1] === PathSeparator) {
return string.lastIndexOf(query) === string.length - query.length;
}
};
exports.match = function(string, query, stringOffset) {
var character, indexInQuery, indexInString, lowerCaseIndex, matches, minIndex, queryLength, stringLength, upperCaseIndex, _i, _ref, _results;
if (stringOffset == null) {
stringOffset = 0;
}
if (string === query) {
return (function() {
_results = [];
for (var _i = stringOffset, _ref = stringOffset + string.length; stringOffset <= _ref ? _i < _ref : _i > _ref; stringOffset <= _ref ? _i++ : _i--){ _results.push(_i); }
return _results;
}).apply(this);
}
queryLength = query.length;
stringLength = string.length;
indexInQuery = 0;
indexInString = 0;
matches = [];
while (indexInQuery < queryLength) {
character = query[indexInQuery++];
lowerCaseIndex = string.indexOf(character.toLowerCase());
upperCaseIndex = string.indexOf(character.toUpperCase());
minIndex = Math.min(lowerCaseIndex, upperCaseIndex);
if (minIndex === -1) {
minIndex = Math.max(lowerCaseIndex, upperCaseIndex);
}
indexInString = minIndex;
if (indexInString === -1) {
return [];
}
matches.push(stringOffset + indexInString);
stringOffset += indexInString + 1;
string = string.substring(indexInString + 1, stringLength);
}
return matches;
};
}).call(this);
},{"path":7}],5:[function(require,module,exports){
(function() {
var PathSeparator, scorer;
PathSeparator = require('path').sep;
scorer = require('./scorer');
exports.basenameMatch = function(subject, subject_lw, prepQuery) {
var basePos, depth, end;
end = subject.length - 1;
while (subject[end] === PathSeparator) {
end--;
}
basePos = subject.lastIndexOf(PathSeparator, end);
if (basePos === -1) {
return [];
}
depth = prepQuery.depth;
while (depth-- > 0) {
basePos = subject.lastIndexOf(PathSeparator, basePos - 1);
if (basePos === -1) {
return [];
}
}
basePos++;
end++;
return exports.match(subject.slice(basePos, end), subject_lw.slice(basePos, end), prepQuery, basePos);
};
exports.mergeMatches = function(a, b) {
var ai, bj, i, j, m, n, out;
m = a.length;
n = b.length;
if (n === 0) {
return a.slice();
}
if (m === 0) {
return b.slice();
}
i = -1;
j = 0;
bj = b[j];
out = [];
while (++i < m) {
ai = a[i];
while (bj <= ai && ++j < n) {
if (bj < ai) {
out.push(bj);
}
bj = b[j];
}
out.push(ai);
}
while (j < n) {
out.push(b[j++]);
}
return out;
};
exports.match = function(subject, subject_lw, prepQuery, offset) {
var DIAGONAL, LEFT, STOP, UP, acro_score, align, backtrack, csc_diag, csc_row, csc_score, i, j, m, matches, move, n, pos, query, query_lw, score, score_diag, score_row, score_up, si_lw, start, trace;
if (offset == null) {
offset = 0;
}
query = prepQuery.query;
query_lw = prepQuery.query_lw;
m = subject.length;
n = query.length;
acro_score = scorer.scoreAcronyms(subject, subject_lw, query, query_lw).score;
score_row = new Array(n);
csc_row = new Array(n);
STOP = 0;
UP = 1;
LEFT = 2;
DIAGONAL = 3;
trace = new Array(m * n);
pos = -1;
j = -1;
while (++j < n) {
score_row[j] = 0;
csc_row[j] = 0;
}
i = -1;
while (++i < m) {
score = 0;
score_up = 0;
csc_diag = 0;
si_lw = subject_lw[i];
j = -1;
while (++j < n) {
csc_score = 0;
align = 0;
score_diag = score_up;
if (query_lw[j] === si_lw) {
start = scorer.isWordStart(i, subject, subject_lw);
csc_score = csc_diag > 0 ? csc_diag : scorer.scoreConsecutives(subject, subject_lw, query, query_lw, i, j, start);
align = score_diag + scorer.scoreCharacter(i, j, start, acro_score, csc_score);
}
score_up = score_row[j];
csc_diag = csc_row[j];
if (score > score_up) {
move = LEFT;
} else {
score = score_up;
move = UP;
}
if (align > score) {
score = align;
move = DIAGONAL;
} else {
csc_score = 0;
}
score_row[j] = score;
csc_row[j] = csc_score;
trace[++pos] = score > 0 ? move : STOP;
}
}
i = m - 1;
j = n - 1;
pos = i * n + j;
backtrack = true;
matches = [];
while (backtrack && i >= 0 && j >= 0) {
switch (trace[pos]) {
case UP:
i--;
pos -= n;
break;
case LEFT:
j--;
pos--;
break;
case DIAGONAL:
matches.push(i + offset);
j--;
i--;
pos -= n + 1;
break;
default:
backtrack = false;
}
}
matches.reverse();
return matches;
};
}).call(this);
},{"./scorer":6,"path":7}],6:[function(require,module,exports){
(function() {
var AcronymResult, PathSeparator, Query, basenameScore, coreChars, countDir, doScore, emptyAcronymResult, file_coeff, isMatch, isSeparator, isWordEnd, isWordStart, miss_coeff, opt_char_re, pos_bonus, scoreAcronyms, scoreCharacter, scoreConsecutives, scoreExact, scoreExactMatch, scorePattern, scorePosition, scoreSize, tau_depth, tau_size, truncatedUpperCase, wm;
PathSeparator = require('path').sep;
wm = 150;
pos_bonus = 20;
tau_depth = 13;
tau_size = 85;
file_coeff = 1.2;
miss_coeff = 0.75;
opt_char_re = /[ _\-:\/\\]/g;
exports.coreChars = coreChars = function(query) {
return query.replace(opt_char_re, '');
};
exports.score = function(string, query, prepQuery, allowErrors) {
var score, string_lw;
if (prepQuery == null) {
prepQuery = new Query(query);
}
if (allowErrors == null) {
allowErrors = false;
}
if (!(allowErrors || isMatch(string, prepQuery.core_lw, prepQuery.core_up))) {
return 0;
}
string_lw = string.toLowerCase();
score = doScore(string, string_lw, prepQuery);
return Math.ceil(basenameScore(string, string_lw, prepQuery, score));
};
Query = (function() {
function Query(query) {
if (!(query != null ? query.length : void 0)) {
return null;
}
this.query = query;
this.query_lw = query.toLowerCase();
this.core = coreChars(query);
this.core_lw = this.core.toLowerCase();
this.core_up = truncatedUpperCase(this.core);
this.depth = countDir(query, query.length);
}
return Query;
})();
exports.prepQuery = function(query) {
return new Query(query);
};
exports.isMatch = isMatch = function(subject, query_lw, query_up) {
var i, j, m, n, qj_lw, qj_up, si;
m = subject.length;
n = query_lw.length;
if (!m || n > m) {
return false;
}
i = -1;
j = -1;
while (++j < n) {
qj_lw = query_lw[j];
qj_up = query_up[j];
while (++i < m) {
si = subject[i];
if (si === qj_lw || si === qj_up) {
break;
}
}
if (i === m) {
return false;
}
}
return true;
};
doScore = function(subject, subject_lw, prepQuery) {
var acro, acro_score, align, csc_diag, csc_row, csc_score, i, j, m, miss_budget, miss_left, mm, n, pos, query, query_lw, record_miss, score, score_diag, score_row, score_up, si_lw, start, sz;
query = prepQuery.query;
query_lw = prepQuery.query_lw;
m = subject.length;
n = query.length;
acro = scoreAcronyms(subject, subject_lw, query, query_lw);
acro_score = acro.score;
if (acro.count === n) {
return scoreExact(n, m, acro_score, acro.pos);
}
pos = subject_lw.indexOf(query_lw);
if (pos > -1) {
return scoreExactMatch(subject, subject_lw, query, query_lw, pos, n, m);
}
score_row = new Array(n);
csc_row = new Array(n);
sz = scoreSize(n, m);
miss_budget = Math.ceil(miss_coeff * n) + 5;
miss_left = miss_budget;
j = -1;
while (++j < n) {
score_row[j] = 0;
csc_row[j] = 0;
}
i = subject_lw.indexOf(query_lw[0]);
if (i > -1) {
i--;
}
mm = subject_lw.lastIndexOf(query_lw[n - 1], m);
if (mm > i) {
m = mm + 1;
}
while (++i < m) {
score = 0;
score_diag = 0;
csc_diag = 0;
si_lw = subject_lw[i];
record_miss = true;
j = -1;
while (++j < n) {
score_up = score_row[j];
if (score_up > score) {
score = score_up;
}
csc_score = 0;
if (query_lw[j] === si_lw) {
start = isWordStart(i, subject, subject_lw);
csc_score = csc_diag > 0 ? csc_diag : scoreConsecutives(subject, subject_lw, query, query_lw, i, j, start);
align = score_diag + scoreCharacter(i, j, start, acro_score, csc_score);
if (align > score) {
score = align;
miss_left = miss_budget;
} else {
if (record_miss && --miss_left <= 0) {
return score_row[n - 1] * sz;
}
record_miss = false;
}
}
score_diag = score_up;
csc_diag = csc_row[j];
csc_row[j] = csc_score;
score_row[j] = score;
}
}
return score * sz;
};
exports.isWordStart = isWordStart = function(pos, subject, subject_lw) {
var curr_s, prev_s;
if (pos === 0) {
return true;
}
curr_s = subject[pos];
prev_s = subject[pos - 1];
return isSeparator(curr_s) || isSeparator(prev_s) || (curr_s !== subject_lw[pos] && prev_s === subject_lw[pos - 1]);
};
exports.isWordEnd = isWordEnd = function(pos, subject, subject_lw, len) {
var curr_s, next_s;
if (pos === len - 1) {
return true;
}
curr_s = subject[pos];
next_s = subject[pos + 1];
return isSeparator(curr_s) || isSeparator(next_s) || (curr_s === subject_lw[pos] && next_s !== subject_lw[pos + 1]);
};
isSeparator = function(c) {
return c === ' ' || c === '.' || c === '-' || c === '_' || c === '/' || c === '\\';
};
scorePosition = function(pos) {
var sc;
if (pos < pos_bonus) {
sc = pos_bonus - pos;
return 100 + sc * sc;
} else {
return Math.max(100 + pos_bonus - pos, 0);
}
};
scoreSize = function(n, m) {
return tau_size / (tau_size + Math.abs(m - n));
};
scoreExact = function(n, m, quality, pos) {
return 2 * n * (wm * quality + scorePosition(pos)) * scoreSize(n, m);
};
exports.scorePattern = scorePattern = function(count, len, sameCase, start, end) {
var bonus, sz;
sz = count;
bonus = 6;
if (sameCase === count) {
bonus += 2;
}
if (start) {
bonus += 3;
}
if (end) {
bonus += 1;
}
if (count === len) {
if (start) {
if (sameCase === len) {
sz += 2;
} else {
sz += 1;
}
}
if (end) {
bonus += 1;
}
}
return sameCase + sz * (sz + bonus);
};
exports.scoreCharacter = scoreCharacter = function(i, j, start, acro_score, csc_score) {
var posBonus;
posBonus = scorePosition(i);
if (start) {
return posBonus + wm * ((acro_score > csc_score ? acro_score : csc_score) + 10);
}
return posBonus + wm * csc_score;
};
exports.scoreConsecutives = scoreConsecutives = function(subject, subject_lw, query, query_lw, i, j, start) {
var k, m, mi, n, nj, sameCase, startPos, sz;
m = subject.length;
n = query.length;
mi = m - i;
nj = n - j;
k = mi < nj ? mi : nj;
startPos = i;
sameCase = 0;
sz = 0;
if (query[j] === subject[i]) {
sameCase++;
}
while (++sz < k && query_lw[++j] === subject_lw[++i]) {
if (query[j] === subject[i]) {
sameCase++;
}
}
if (sz === 1) {
return 1 + 2 * sameCase;
}
return scorePattern(sz, n, sameCase, start, isWordEnd(i, subject, subject_lw, m));
};
exports.scoreExactMatch = scoreExactMatch = function(subject, subject_lw, query, query_lw, pos, n, m) {
var end, i, pos2, sameCase, start;
start = isWordStart(pos, subject, subject_lw);
if (!start) {
pos2 = subject_lw.indexOf(query_lw, pos + 1);
if (pos2 > -1) {
start = isWordStart(pos2, subject, subject_lw);
if (start) {
pos = pos2;
}
}
}
i = -1;
sameCase = 0;
while (++i < n) {
if (query[pos + i] === subject[i]) {
sameCase++;
}
}
end = isWordEnd(pos + n - 1, subject, subject_lw, m);
return scoreExact(n, m, scorePattern(n, n, sameCase, start, end), pos);
};
AcronymResult = (function() {
function AcronymResult(score, pos, count) {
this.score = score;
this.pos = pos;
this.count = count;
}
return AcronymResult;
})();
emptyAcronymResult = new AcronymResult(0, 0.1, 0);
exports.scoreAcronyms = scoreAcronyms = function(subject, subject_lw, query, query_lw) {
var count, i, j, m, n, pos, qj_lw, sameCase, score;
m = subject.length;
n = query.length;
if (!(m > 1 && n > 1)) {
return emptyAcronymResult;
}
count = 0;
pos = 0;
sameCase = 0;
i = -1;
j = -1;
while (++j < n) {
qj_lw = query_lw[j];
while (++i < m) {
if (qj_lw === subject_lw[i] && isWordStart(i, subject, subject_lw)) {
if (query[j] === subject[i]) {
sameCase++;
}
pos += i;
count++;
break;
}
}
if (i === m) {
break;
}
}
if (count < 2) {
return emptyAcronymResult;
}
score = scorePattern(count, n, sameCase, true, false);
return new AcronymResult(score, pos / count, count);
};
basenameScore = function(subject, subject_lw, prepQuery, fullPathScore) {
var alpha, basePathScore, basePos, depth, end;
if (fullPathScore === 0) {
return 0;
}
end = subject.length - 1;
while (subject[end] === PathSeparator) {
end--;
}
basePos = subject.lastIndexOf(PathSeparator, end);
if (basePos === -1) {
return fullPathScore;
}
depth = prepQuery.depth;
while (depth-- > 0) {
basePos = subject.lastIndexOf(PathSeparator, basePos - 1);
if (basePos === -1) {
return fullPathScore;
}
}
basePos++;
end++;
basePathScore = doScore(subject.slice(basePos, end), subject_lw.slice(basePos, end), prepQuery);
alpha = 0.5 * tau_depth / (tau_depth + countDir(subject, end + 1));
return alpha * basePathScore + (1 - alpha) * fullPathScore * scoreSize(0, file_coeff * (end - basePos));
};
exports.countDir = countDir = function(path, end) {
var count, i;
if (end < 1) {
return 0;
}
count = 0;
i = -1;
while (++i < end && path[i] === PathSeparator) {
continue;
}
while (++i < end) {
if (path[i] === PathSeparator) {
count++;
while (++i < end && path[i] === PathSeparator) {
continue;
}
}
}
return count;
};
truncatedUpperCase = function(str) {
var char, upper, _i, _len;
upper = "";
for (_i = 0, _len = str.length; _i < _len; _i++) {
char = str[_i];
upper += char.toUpperCase()[0];
}
return upper;
};
}).call(this);
},{"path":7}],7:[function(require,module,exports){
(function (process){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
// if the path tries to go above the root, `up` ends up > 0
var up = 0;
for (var i = parts.length - 1; i >= 0; i--) {
var last = parts[i];
if (last === '.') {
parts.splice(i, 1);
} else if (last === '..') {
parts.splice(i, 1);
up++;
} else if (up) {
parts.splice(i, 1);
up--;
}
}
// if the path is allowed to go above the root, restore leading ..s
if (allowAboveRoot) {
for (; up--; up) {
parts.unshift('..');
}
}
return parts;
}
// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe =
/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
var splitPath = function(filename) {
return splitPathRe.exec(filename).slice(1);
};
// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = (i >= 0) ? arguments[i] : process.cwd();
// Skip empty and invalid entries
if (typeof path !== 'string') {
throw new TypeError('Arguments to path.resolve must be strings');
} else if (!path) {
continue;
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charAt(0) === '/';
}
// At this point the path should be resolved to a full absolute path, but
// handle relative paths to be safe (might happen when process.cwd() fails)
// Normalize the path
resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
return !!p;
}), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};
// path.normalize(path)
// posix version
exports.normalize = function(path) {
var isAbsolute = exports.isAbsolute(path),
trailingSlash = substr(path, -1) === '/';
// Normalize the path
path = normalizeArray(filter(path.split('/'), function(p) {
return !!p;
}), !isAbsolute).join('/');
if (!path && !isAbsolute) {
path = '.';
}
if (path && trailingSlash) {
path += '/';
}
return (isAbsolute ? '/' : '') + path;
};
// posix version
exports.isAbsolute = function(path) {
return path.charAt(0) === '/';
};
// posix version
exports.join = function() {
var paths = Array.prototype.slice.call(arguments, 0);
return exports.normalize(filter(paths, function(p, index) {
if (typeof p !== 'string') {
throw new TypeError('Arguments to path.join must be strings');
}
return p;
}).join('/'));
};
// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
from = exports.resolve(from).substr(1);
to = exports.resolve(to).substr(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== '') break;
}
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== '') break;
}
if (start > end) return [];
return arr.slice(start, end - start + 1);
}
var fromParts = trim(from.split('/'));
var toParts = trim(to.split('/'));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
for (var i = 0; i < length; i++) {
if (fromParts[i] !== toParts[i]) {
samePartsLength = i;
break;
}
}
var outputParts = [];
for (var i = samePartsLength; i < fromParts.length; i++) {
outputParts.push('..');
}
outputParts = outputParts.concat(toParts.slice(samePartsLength));
return outputParts.join('/');
};
exports.sep = '/';
exports.delimiter = ':';
exports.dirname = function(path) {
var result = splitPath(path),
root = result[0],
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
}
if (dir) {
// It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
}
return root + dir;
};
exports.basename = function(path, ext) {
var f = splitPath(path)[2];
// TODO: make this comparison case-insensitive on windows?
if (ext && f.substr(-1 * ext.length) === ext) {
f = f.substr(0, f.length - ext.length);
}
return f;
};
exports.extname = function(path) {
return splitPath(path)[3];
};
function filter (xs, f) {
if (xs.filter) return xs.filter(f);
var res = [];
for (var i = 0; i < xs.length; i++) {
if (f(xs[i], i, xs)) res.push(xs[i]);
}
return res;
}
// String.prototype.substr - negative index don't work in IE8
var substr = 'ab'.substr(-1) === 'b'
? function (str, start, len) { return str.substr(start, len) }
: function (str, start, len) {
if (start < 0) start = str.length + start;
return str.substr(start, len);
}
;
}).call(this,require('_process'))
},{"_process":8}],8:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = setTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
clearTimeout(timeout);
}
process.nextTick = function (fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
setTimeout(drainQueue, 0);
}
};
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.binding = function (name) {
throw new Error('process.binding is not supported');
};
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };
},{}]},{},[1]);