mirror of
https://github.com/jiojciojsioe3/a3cjroijsiojiorj.git
synced 2024-11-15 07:21:50 +08:00
use fuzzy search
This commit is contained in:
Bui
parent
05b2104713
commit
bdad6b702a
@ -1,6 +1,7 @@
|
||||
var assets = {
|
||||
"js": [
|
||||
"lib/md5.min.js",
|
||||
"lib/fuzzysort.js",
|
||||
"loadsong.js",
|
||||
"parseosu.js",
|
||||
"titlescreen.js",
|
||||
|
||||
636
public/src/js/lib/fuzzysort.js
Normal file
636
public/src/js/lib/fuzzysort.js
Normal file
@ -0,0 +1,636 @@
|
||||
/*
|
||||
fuzzysort.js https://github.com/farzher/fuzzysort
|
||||
SublimeText-like Fuzzy Search
|
||||
|
||||
fuzzysort.single('fs', 'Fuzzy Search') // {score: -16}
|
||||
fuzzysort.single('test', 'test') // {score: 0}
|
||||
fuzzysort.single('doesnt exist', 'target') // null
|
||||
|
||||
fuzzysort.go('mr', [{file:'Monitor.cpp'}, {file:'MeshRenderer.cpp'}], {key:'file'})
|
||||
// [{score:-18, obj:{file:'MeshRenderer.cpp'}}, {score:-6009, obj:{file:'Monitor.cpp'}}]
|
||||
|
||||
fuzzysort.go('mr', ['Monitor.cpp', 'MeshRenderer.cpp'])
|
||||
// [{score: -18, target: "MeshRenderer.cpp"}, {score: -6009, target: "Monitor.cpp"}]
|
||||
|
||||
fuzzysort.highlight(fuzzysort.single('fs', 'Fuzzy Search'), '<b>', '</b>')
|
||||
// <b>F</b>uzzy <b>S</b>earch
|
||||
*/
|
||||
|
||||
// UMD (Universal Module Definition) for fuzzysort
|
||||
;(function(root, UMD) {
|
||||
if(typeof define === 'function' && define.amd) define([], UMD)
|
||||
else if(typeof module === 'object' && module.exports) module.exports = UMD()
|
||||
else root.fuzzysort = UMD()
|
||||
})(this, function UMD() { function fuzzysortNew(instanceOptions) {
|
||||
|
||||
var fuzzysort = {
|
||||
|
||||
single: function(search, target, options) { ;if(search=='farzher')return{target:"farzher was here (^-^*)/",score:0,indexes:[0,1,2,3,4,5,6]}
|
||||
if(!search) return null
|
||||
if(!isObj(search)) search = fuzzysort.getPreparedSearch(search)
|
||||
|
||||
if(!target) return null
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
var allowTypo = options && options.allowTypo!==undefined ? options.allowTypo
|
||||
: instanceOptions && instanceOptions.allowTypo!==undefined ? instanceOptions.allowTypo
|
||||
: true
|
||||
var algorithm = allowTypo ? fuzzysort.algorithm : fuzzysort.algorithmNoTypo
|
||||
return algorithm(search, target, search[0])
|
||||
},
|
||||
|
||||
go: function(search, targets, options) { ;if(search=='farzher')return[{target:"farzher was here (^-^*)/",score:0,indexes:[0,1,2,3,4,5,6],obj:targets?targets[0]:null}]
|
||||
if(!search) return noResults
|
||||
search = fuzzysort.prepareSearch(search)
|
||||
var searchLowerCode = search[0]
|
||||
|
||||
var threshold = options && options.threshold || instanceOptions && instanceOptions.threshold || -9007199254740991
|
||||
var limit = options && options.limit || instanceOptions && instanceOptions.limit || 9007199254740991
|
||||
var allowTypo = options && options.allowTypo!==undefined ? options.allowTypo
|
||||
: instanceOptions && instanceOptions.allowTypo!==undefined ? instanceOptions.allowTypo
|
||||
: true
|
||||
var algorithm = allowTypo ? fuzzysort.algorithm : fuzzysort.algorithmNoTypo
|
||||
var resultsLen = 0; var limitedCount = 0
|
||||
var targetsLen = targets.length
|
||||
|
||||
// This code is copy/pasted 3 times for performance reasons [options.keys, options.key, no keys]
|
||||
|
||||
// options.keys
|
||||
if(options && options.keys) {
|
||||
var scoreFn = options.scoreFn || defaultScoreFn
|
||||
var keys = options.keys
|
||||
var keysLen = keys.length
|
||||
for(var i = targetsLen - 1; i >= 0; --i) { var obj = targets[i]
|
||||
var objResults = new Array(keysLen)
|
||||
for (var keyI = keysLen - 1; keyI >= 0; --keyI) {
|
||||
var key = keys[keyI]
|
||||
var target = getValue(obj, key)
|
||||
if(!target) { objResults[keyI] = null; continue }
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
objResults[keyI] = algorithm(search, target, searchLowerCode)
|
||||
}
|
||||
objResults.obj = obj // before scoreFn so scoreFn can use it
|
||||
var score = scoreFn(objResults)
|
||||
if(score === null) continue
|
||||
if(score < threshold) continue
|
||||
objResults.score = score
|
||||
if(resultsLen < limit) { q.add(objResults); ++resultsLen }
|
||||
else {
|
||||
++limitedCount
|
||||
if(score > q.peek().score) q.replaceTop(objResults)
|
||||
}
|
||||
}
|
||||
|
||||
// options.key
|
||||
} else if(options && options.key) {
|
||||
var key = options.key
|
||||
for(var i = targetsLen - 1; i >= 0; --i) { var obj = targets[i]
|
||||
var target = getValue(obj, key)
|
||||
if(!target) continue
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
var result = algorithm(search, target, searchLowerCode)
|
||||
if(result === null) continue
|
||||
if(result.score < threshold) continue
|
||||
|
||||
// have to clone result so duplicate targets from different obj can each reference the correct obj
|
||||
result = {target:result.target, _targetLowerCodes:null, _nextBeginningIndexes:null, score:result.score, indexes:result.indexes, obj:obj} // hidden
|
||||
|
||||
if(resultsLen < limit) { q.add(result); ++resultsLen }
|
||||
else {
|
||||
++limitedCount
|
||||
if(result.score > q.peek().score) q.replaceTop(result)
|
||||
}
|
||||
}
|
||||
|
||||
// no keys
|
||||
} else {
|
||||
for(var i = targetsLen - 1; i >= 0; --i) { var target = targets[i]
|
||||
if(!target) continue
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
var result = algorithm(search, target, searchLowerCode)
|
||||
if(result === null) continue
|
||||
if(result.score < threshold) continue
|
||||
if(resultsLen < limit) { q.add(result); ++resultsLen }
|
||||
else {
|
||||
++limitedCount
|
||||
if(result.score > q.peek().score) q.replaceTop(result)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(resultsLen === 0) return noResults
|
||||
var results = new Array(resultsLen)
|
||||
for(var i = resultsLen - 1; i >= 0; --i) results[i] = q.poll()
|
||||
results.total = resultsLen + limitedCount
|
||||
return results
|
||||
},
|
||||
|
||||
goAsync: function(search, targets, options) {
|
||||
var canceled = false
|
||||
var p = new Promise(function(resolve, reject) { ;if(search=='farzher')return resolve([{target:"farzher was here (^-^*)/",score:0,indexes:[0,1,2,3,4,5,6],obj:targets?targets[0]:null}])
|
||||
if(!search) return resolve(noResults)
|
||||
search = fuzzysort.prepareSearch(search)
|
||||
var searchLowerCode = search[0]
|
||||
|
||||
var q = fastpriorityqueue()
|
||||
var iCurrent = targets.length - 1
|
||||
var threshold = options && options.threshold || instanceOptions && instanceOptions.threshold || -9007199254740991
|
||||
var limit = options && options.limit || instanceOptions && instanceOptions.limit || 9007199254740991
|
||||
var allowTypo = options && options.allowTypo!==undefined ? options.allowTypo
|
||||
: instanceOptions && instanceOptions.allowTypo!==undefined ? instanceOptions.allowTypo
|
||||
: true
|
||||
var algorithm = allowTypo ? fuzzysort.algorithm : fuzzysort.algorithmNoTypo
|
||||
var resultsLen = 0; var limitedCount = 0
|
||||
function step() {
|
||||
if(canceled) return reject('canceled')
|
||||
|
||||
var startMs = Date.now()
|
||||
|
||||
// This code is copy/pasted 3 times for performance reasons [options.keys, options.key, no keys]
|
||||
|
||||
// options.keys
|
||||
if(options && options.keys) {
|
||||
var scoreFn = options.scoreFn || defaultScoreFn
|
||||
var keys = options.keys
|
||||
var keysLen = keys.length
|
||||
for(; iCurrent >= 0; --iCurrent) {
|
||||
if(iCurrent%1000/*itemsPerCheck*/ === 0) {
|
||||
if(Date.now() - startMs >= 10/*asyncInterval*/) {
|
||||
isNode?setImmediate(step):setTimeout(step)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
var obj = targets[iCurrent]
|
||||
var objResults = new Array(keysLen)
|
||||
for (var keyI = keysLen - 1; keyI >= 0; --keyI) {
|
||||
var key = keys[keyI]
|
||||
var target = getValue(obj, key)
|
||||
if(!target) { objResults[keyI] = null; continue }
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
objResults[keyI] = algorithm(search, target, searchLowerCode)
|
||||
}
|
||||
objResults.obj = obj // before scoreFn so scoreFn can use it
|
||||
var score = scoreFn(objResults)
|
||||
if(score === null) continue
|
||||
if(score < threshold) continue
|
||||
objResults.score = score
|
||||
if(resultsLen < limit) { q.add(objResults); ++resultsLen }
|
||||
else {
|
||||
++limitedCount
|
||||
if(score > q.peek().score) q.replaceTop(objResults)
|
||||
}
|
||||
}
|
||||
|
||||
// options.key
|
||||
} else if(options && options.key) {
|
||||
var key = options.key
|
||||
for(; iCurrent >= 0; --iCurrent) {
|
||||
if(iCurrent%1000/*itemsPerCheck*/ === 0) {
|
||||
if(Date.now() - startMs >= 10/*asyncInterval*/) {
|
||||
isNode?setImmediate(step):setTimeout(step)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
var obj = targets[iCurrent]
|
||||
var target = getValue(obj, key)
|
||||
if(!target) continue
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
var result = algorithm(search, target, searchLowerCode)
|
||||
if(result === null) continue
|
||||
if(result.score < threshold) continue
|
||||
|
||||
// have to clone result so duplicate targets from different obj can each reference the correct obj
|
||||
result = {target:result.target, _targetLowerCodes:null, _nextBeginningIndexes:null, score:result.score, indexes:result.indexes, obj:obj} // hidden
|
||||
|
||||
if(resultsLen < limit) { q.add(result); ++resultsLen }
|
||||
else {
|
||||
++limitedCount
|
||||
if(result.score > q.peek().score) q.replaceTop(result)
|
||||
}
|
||||
}
|
||||
|
||||
// no keys
|
||||
} else {
|
||||
for(; iCurrent >= 0; --iCurrent) {
|
||||
if(iCurrent%1000/*itemsPerCheck*/ === 0) {
|
||||
if(Date.now() - startMs >= 10/*asyncInterval*/) {
|
||||
isNode?setImmediate(step):setTimeout(step)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
var target = targets[iCurrent]
|
||||
if(!target) continue
|
||||
if(!isObj(target)) target = fuzzysort.getPrepared(target)
|
||||
|
||||
var result = algorithm(search, target, searchLowerCode)
|
||||
if(result === null) continue
|
||||
if(result.score < threshold) continue
|
||||
if(resultsLen < limit) { q.add(result); ++resultsLen }
|
||||
else {
|
||||
++limitedCount
|
||||
if(result.score > q.peek().score) q.replaceTop(result)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(resultsLen === 0) return resolve(noResults)
|
||||
var results = new Array(resultsLen)
|
||||
for(var i = resultsLen - 1; i >= 0; --i) results[i] = q.poll()
|
||||
results.total = resultsLen + limitedCount
|
||||
resolve(results)
|
||||
}
|
||||
|
||||
isNode?setImmediate(step):step() //setTimeout here is too slow
|
||||
})
|
||||
p.cancel = function() { canceled = true }
|
||||
return p
|
||||
},
|
||||
|
||||
highlight: function(result, hOpen, hClose) {
|
||||
if(typeof hOpen == 'function') return fuzzysort.highlightCallback(result, hOpen)
|
||||
if(result === null) return null
|
||||
if(hOpen === undefined) hOpen = '<b>'
|
||||
if(hClose === undefined) hClose = '</b>'
|
||||
var highlighted = ''
|
||||
var matchesIndex = 0
|
||||
var opened = false
|
||||
var target = result.target
|
||||
var targetLen = target.length
|
||||
var matchesBest = result.indexes
|
||||
for(var i = 0; i < targetLen; ++i) { var char = target[i]
|
||||
if(matchesBest[matchesIndex] === i) {
|
||||
++matchesIndex
|
||||
if(!opened) { opened = true
|
||||
highlighted += hOpen
|
||||
}
|
||||
|
||||
if(matchesIndex === matchesBest.length) {
|
||||
highlighted += char + hClose + target.substr(i+1)
|
||||
break
|
||||
}
|
||||
} else {
|
||||
if(opened) { opened = false
|
||||
highlighted += hClose
|
||||
}
|
||||
}
|
||||
highlighted += char
|
||||
}
|
||||
|
||||
return highlighted
|
||||
},
|
||||
highlightCallback: function(result, cb) {
|
||||
if(result === null) return null
|
||||
var target = result.target
|
||||
var targetLen = target.length
|
||||
var indexes = result.indexes
|
||||
var highlighted = ''
|
||||
var matchI = 0
|
||||
var indexesI = 0
|
||||
var opened = false
|
||||
var result = []
|
||||
for(var i = 0; i < targetLen; ++i) { var char = target[i]
|
||||
if(indexes[indexesI] === i) {
|
||||
++indexesI
|
||||
if(!opened) { opened = true
|
||||
result.push(highlighted); highlighted = ''
|
||||
}
|
||||
|
||||
if(indexesI === indexes.length) {
|
||||
highlighted += char
|
||||
result.push(cb(highlighted, matchI++)); highlighted = ''
|
||||
result.push(target.substr(i+1))
|
||||
break
|
||||
}
|
||||
} else {
|
||||
if(opened) { opened = false
|
||||
result.push(cb(highlighted, matchI++)); highlighted = ''
|
||||
}
|
||||
}
|
||||
highlighted += char
|
||||
}
|
||||
return result
|
||||
},
|
||||
|
||||
prepare: function(target) {
|
||||
if(!target) return {target: '', _targetLowerCodes: [0/*this 0 doesn't make sense. here because an empty array causes the algorithm to deoptimize and run 50% slower!*/], _nextBeginningIndexes: null, score: null, indexes: null, obj: null} // hidden
|
||||
return {target:target, _targetLowerCodes:fuzzysort.prepareLowerCodes(target), _nextBeginningIndexes:null, score:null, indexes:null, obj:null} // hidden
|
||||
},
|
||||
prepareSlow: function(target) {
|
||||
if(!target) return {target: '', _targetLowerCodes: [0/*this 0 doesn't make sense. here because an empty array causes the algorithm to deoptimize and run 50% slower!*/], _nextBeginningIndexes: null, score: null, indexes: null, obj: null} // hidden
|
||||
return {target:target, _targetLowerCodes:fuzzysort.prepareLowerCodes(target), _nextBeginningIndexes:fuzzysort.prepareNextBeginningIndexes(target), score:null, indexes:null, obj:null} // hidden
|
||||
},
|
||||
prepareSearch: function(search) {
|
||||
if(!search) search = ''
|
||||
return fuzzysort.prepareLowerCodes(search)
|
||||
},
|
||||
|
||||
|
||||
|
||||
// Below this point is only internal code
|
||||
// Below this point is only internal code
|
||||
// Below this point is only internal code
|
||||
// Below this point is only internal code
|
||||
|
||||
|
||||
|
||||
getPrepared: function(target) {
|
||||
if(target.length > 999) return fuzzysort.prepare(target) // don't cache huge targets
|
||||
var targetPrepared = preparedCache.get(target)
|
||||
if(targetPrepared !== undefined) return targetPrepared
|
||||
targetPrepared = fuzzysort.prepare(target)
|
||||
preparedCache.set(target, targetPrepared)
|
||||
return targetPrepared
|
||||
},
|
||||
getPreparedSearch: function(search) {
|
||||
if(search.length > 999) return fuzzysort.prepareSearch(search) // don't cache huge searches
|
||||
var searchPrepared = preparedSearchCache.get(search)
|
||||
if(searchPrepared !== undefined) return searchPrepared
|
||||
searchPrepared = fuzzysort.prepareSearch(search)
|
||||
preparedSearchCache.set(search, searchPrepared)
|
||||
return searchPrepared
|
||||
},
|
||||
|
||||
algorithm: function(searchLowerCodes, prepared, searchLowerCode) {
|
||||
var targetLowerCodes = prepared._targetLowerCodes
|
||||
var searchLen = searchLowerCodes.length
|
||||
var targetLen = targetLowerCodes.length
|
||||
var searchI = 0 // where we at
|
||||
var targetI = 0 // where you at
|
||||
var typoSimpleI = 0
|
||||
var matchesSimpleLen = 0
|
||||
|
||||
// very basic fuzzy match; to remove non-matching targets ASAP!
|
||||
// walk through target. find sequential matches.
|
||||
// if all chars aren't found then exit
|
||||
for(;;) {
|
||||
var isMatch = searchLowerCode === targetLowerCodes[targetI]
|
||||
if(isMatch) {
|
||||
matchesSimple[matchesSimpleLen++] = targetI
|
||||
++searchI; if(searchI === searchLen) break
|
||||
searchLowerCode = searchLowerCodes[typoSimpleI===0?searchI : (typoSimpleI===searchI?searchI+1 : (typoSimpleI===searchI-1?searchI-1 : searchI))]
|
||||
}
|
||||
|
||||
++targetI; if(targetI >= targetLen) { // Failed to find searchI
|
||||
// Check for typo or exit
|
||||
// we go as far as possible before trying to transpose
|
||||
// then we transpose backwards until we reach the beginning
|
||||
for(;;) {
|
||||
if(searchI <= 1) return null // not allowed to transpose first char
|
||||
if(typoSimpleI === 0) { // we haven't tried to transpose yet
|
||||
--searchI
|
||||
var searchLowerCodeNew = searchLowerCodes[searchI]
|
||||
if(searchLowerCode === searchLowerCodeNew) continue // doesn't make sense to transpose a repeat char
|
||||
typoSimpleI = searchI
|
||||
} else {
|
||||
if(typoSimpleI === 1) return null // reached the end of the line for transposing
|
||||
--typoSimpleI
|
||||
searchI = typoSimpleI
|
||||
searchLowerCode = searchLowerCodes[searchI + 1]
|
||||
var searchLowerCodeNew = searchLowerCodes[searchI]
|
||||
if(searchLowerCode === searchLowerCodeNew) continue // doesn't make sense to transpose a repeat char
|
||||
}
|
||||
matchesSimpleLen = searchI
|
||||
targetI = matchesSimple[matchesSimpleLen - 1] + 1
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
var searchI = 0
|
||||
var typoStrictI = 0
|
||||
var successStrict = false
|
||||
var matchesStrictLen = 0
|
||||
|
||||
var nextBeginningIndexes = prepared._nextBeginningIndexes
|
||||
if(nextBeginningIndexes === null) nextBeginningIndexes = prepared._nextBeginningIndexes = fuzzysort.prepareNextBeginningIndexes(prepared.target)
|
||||
var firstPossibleI = targetI = matchesSimple[0]===0 ? 0 : nextBeginningIndexes[matchesSimple[0]-1]
|
||||
|
||||
// Our target string successfully matched all characters in sequence!
|
||||
// Let's try a more advanced and strict test to improve the score
|
||||
// only count it as a match if it's consecutive or a beginning character!
|
||||
if(targetI !== targetLen) for(;;) {
|
||||
if(targetI >= targetLen) {
|
||||
// We failed to find a good spot for this search char, go back to the previous search char and force it forward
|
||||
if(searchI <= 0) { // We failed to push chars forward for a better match
|
||||
// transpose, starting from the beginning
|
||||
++typoStrictI; if(typoStrictI > searchLen-2) break
|
||||
if(searchLowerCodes[typoStrictI] === searchLowerCodes[typoStrictI+1]) continue // doesn't make sense to transpose a repeat char
|
||||
targetI = firstPossibleI
|
||||
continue
|
||||
}
|
||||
|
||||
--searchI
|
||||
var lastMatch = matchesStrict[--matchesStrictLen]
|
||||
targetI = nextBeginningIndexes[lastMatch]
|
||||
|
||||
} else {
|
||||
var isMatch = searchLowerCodes[typoStrictI===0?searchI : (typoStrictI===searchI?searchI+1 : (typoStrictI===searchI-1?searchI-1 : searchI))] === targetLowerCodes[targetI]
|
||||
if(isMatch) {
|
||||
matchesStrict[matchesStrictLen++] = targetI
|
||||
++searchI; if(searchI === searchLen) { successStrict = true; break }
|
||||
++targetI
|
||||
} else {
|
||||
targetI = nextBeginningIndexes[targetI]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{ // tally up the score & keep track of matches for highlighting later
|
||||
if(successStrict) { var matchesBest = matchesStrict; var matchesBestLen = matchesStrictLen }
|
||||
else { var matchesBest = matchesSimple; var matchesBestLen = matchesSimpleLen }
|
||||
var score = 0
|
||||
var lastTargetI = -1
|
||||
for(var i = 0; i < searchLen; ++i) { var targetI = matchesBest[i]
|
||||
// score only goes down if they're not consecutive
|
||||
if(lastTargetI !== targetI - 1) score -= targetI
|
||||
lastTargetI = targetI
|
||||
}
|
||||
if(!successStrict) {
|
||||
score *= 1000
|
||||
if(typoSimpleI !== 0) score += -20/*typoPenalty*/
|
||||
} else {
|
||||
if(typoStrictI !== 0) score += -20/*typoPenalty*/
|
||||
}
|
||||
score -= targetLen - searchLen
|
||||
prepared.score = score
|
||||
prepared.indexes = new Array(matchesBestLen); for(var i = matchesBestLen - 1; i >= 0; --i) prepared.indexes[i] = matchesBest[i]
|
||||
|
||||
return prepared
|
||||
}
|
||||
},
|
||||
|
||||
algorithmNoTypo: function(searchLowerCodes, prepared, searchLowerCode) {
|
||||
var targetLowerCodes = prepared._targetLowerCodes
|
||||
var searchLen = searchLowerCodes.length
|
||||
var targetLen = targetLowerCodes.length
|
||||
var searchI = 0 // where we at
|
||||
var targetI = 0 // where you at
|
||||
var matchesSimpleLen = 0
|
||||
|
||||
// very basic fuzzy match; to remove non-matching targets ASAP!
|
||||
// walk through target. find sequential matches.
|
||||
// if all chars aren't found then exit
|
||||
for(;;) {
|
||||
var isMatch = searchLowerCode === targetLowerCodes[targetI]
|
||||
if(isMatch) {
|
||||
matchesSimple[matchesSimpleLen++] = targetI
|
||||
++searchI; if(searchI === searchLen) break
|
||||
searchLowerCode = searchLowerCodes[searchI]
|
||||
}
|
||||
++targetI; if(targetI >= targetLen) return null // Failed to find searchI
|
||||
}
|
||||
|
||||
var searchI = 0
|
||||
var successStrict = false
|
||||
var matchesStrictLen = 0
|
||||
|
||||
var nextBeginningIndexes = prepared._nextBeginningIndexes
|
||||
if(nextBeginningIndexes === null) nextBeginningIndexes = prepared._nextBeginningIndexes = fuzzysort.prepareNextBeginningIndexes(prepared.target)
|
||||
var firstPossibleI = targetI = matchesSimple[0]===0 ? 0 : nextBeginningIndexes[matchesSimple[0]-1]
|
||||
|
||||
// Our target string successfully matched all characters in sequence!
|
||||
// Let's try a more advanced and strict test to improve the score
|
||||
// only count it as a match if it's consecutive or a beginning character!
|
||||
if(targetI !== targetLen) for(;;) {
|
||||
if(targetI >= targetLen) {
|
||||
// We failed to find a good spot for this search char, go back to the previous search char and force it forward
|
||||
if(searchI <= 0) break // We failed to push chars forward for a better match
|
||||
|
||||
--searchI
|
||||
var lastMatch = matchesStrict[--matchesStrictLen]
|
||||
targetI = nextBeginningIndexes[lastMatch]
|
||||
|
||||
} else {
|
||||
var isMatch = searchLowerCodes[searchI] === targetLowerCodes[targetI]
|
||||
if(isMatch) {
|
||||
matchesStrict[matchesStrictLen++] = targetI
|
||||
++searchI; if(searchI === searchLen) { successStrict = true; break }
|
||||
++targetI
|
||||
} else {
|
||||
targetI = nextBeginningIndexes[targetI]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{ // tally up the score & keep track of matches for highlighting later
|
||||
if(successStrict) { var matchesBest = matchesStrict; var matchesBestLen = matchesStrictLen }
|
||||
else { var matchesBest = matchesSimple; var matchesBestLen = matchesSimpleLen }
|
||||
var score = 0
|
||||
var lastTargetI = -1
|
||||
for(var i = 0; i < searchLen; ++i) { var targetI = matchesBest[i]
|
||||
// score only goes down if they're not consecutive
|
||||
if(lastTargetI !== targetI - 1) score -= targetI
|
||||
lastTargetI = targetI
|
||||
}
|
||||
if(!successStrict) score *= 1000
|
||||
score -= targetLen - searchLen
|
||||
prepared.score = score
|
||||
prepared.indexes = new Array(matchesBestLen); for(var i = matchesBestLen - 1; i >= 0; --i) prepared.indexes[i] = matchesBest[i]
|
||||
|
||||
return prepared
|
||||
}
|
||||
},
|
||||
|
||||
prepareLowerCodes: function(str) {
|
||||
var strLen = str.length
|
||||
var lowerCodes = [] // new Array(strLen) sparse array is too slow
|
||||
var lower = str.toLowerCase()
|
||||
for(var i = 0; i < strLen; ++i) lowerCodes[i] = lower.charCodeAt(i)
|
||||
return lowerCodes
|
||||
},
|
||||
prepareBeginningIndexes: function(target) {
|
||||
var targetLen = target.length
|
||||
var beginningIndexes = []; var beginningIndexesLen = 0
|
||||
var wasUpper = false
|
||||
var wasAlphanum = false
|
||||
for(var i = 0; i < targetLen; ++i) {
|
||||
var targetCode = target.charCodeAt(i)
|
||||
var isUpper = targetCode>=65&&targetCode<=90
|
||||
var isAlphanum = isUpper || targetCode>=97&&targetCode<=122 || targetCode>=48&&targetCode<=57
|
||||
var isBeginning = isUpper && !wasUpper || !wasAlphanum || !isAlphanum
|
||||
wasUpper = isUpper
|
||||
wasAlphanum = isAlphanum
|
||||
if(isBeginning) beginningIndexes[beginningIndexesLen++] = i
|
||||
}
|
||||
return beginningIndexes
|
||||
},
|
||||
prepareNextBeginningIndexes: function(target) {
|
||||
var targetLen = target.length
|
||||
var beginningIndexes = fuzzysort.prepareBeginningIndexes(target)
|
||||
var nextBeginningIndexes = [] // new Array(targetLen) sparse array is too slow
|
||||
var lastIsBeginning = beginningIndexes[0]
|
||||
var lastIsBeginningI = 0
|
||||
for(var i = 0; i < targetLen; ++i) {
|
||||
if(lastIsBeginning > i) {
|
||||
nextBeginningIndexes[i] = lastIsBeginning
|
||||
} else {
|
||||
lastIsBeginning = beginningIndexes[++lastIsBeginningI]
|
||||
nextBeginningIndexes[i] = lastIsBeginning===undefined ? targetLen : lastIsBeginning
|
||||
}
|
||||
}
|
||||
return nextBeginningIndexes
|
||||
},
|
||||
|
||||
cleanup: cleanup,
|
||||
new: fuzzysortNew,
|
||||
}
|
||||
return fuzzysort
|
||||
} // fuzzysortNew
|
||||
|
||||
// This stuff is outside fuzzysortNew, because it's shared with instances of fuzzysort.new()
|
||||
var isNode = typeof require !== 'undefined' && typeof window === 'undefined'
|
||||
var MyMap = typeof Map === 'function' ? Map : function(){var s=Object.create(null);this.get=function(k){return s[k]};this.set=function(k,val){s[k]=val;return this};this.clear=function(){s=Object.create(null)}}
|
||||
var preparedCache = new MyMap()
|
||||
var preparedSearchCache = new MyMap()
|
||||
var noResults = []; noResults.total = 0
|
||||
var matchesSimple = []; var matchesStrict = []
|
||||
function cleanup() { preparedCache.clear(); preparedSearchCache.clear(); matchesSimple = []; matchesStrict = [] }
|
||||
function defaultScoreFn(a) {
|
||||
var max = -9007199254740991
|
||||
for (var i = a.length - 1; i >= 0; --i) {
|
||||
var result = a[i]; if(result === null) continue
|
||||
var score = result.score
|
||||
if(score > max) max = score
|
||||
}
|
||||
if(max === -9007199254740991) return null
|
||||
return max
|
||||
}
|
||||
|
||||
// prop = 'key' 2.5ms optimized for this case, seems to be about as fast as direct obj[prop]
|
||||
// prop = 'key1.key2' 10ms
|
||||
// prop = ['key1', 'key2'] 27ms
|
||||
function getValue(obj, prop) {
|
||||
var tmp = obj[prop]; if(tmp !== undefined) return tmp
|
||||
var segs = prop
|
||||
if(!Array.isArray(prop)) segs = prop.split('.')
|
||||
var len = segs.length
|
||||
var i = -1
|
||||
while (obj && (++i < len)) obj = obj[segs[i]]
|
||||
return obj
|
||||
}
|
||||
|
||||
function isObj(x) { return typeof x === 'object' } // faster as a function
|
||||
|
||||
// Hacked version of https://github.com/lemire/FastPriorityQueue.js
|
||||
var fastpriorityqueue=function(){var r=[],o=0,e={};function n(){for(var e=0,n=r[e],c=1;c<o;){var f=c+1;e=c,f<o&&r[f].score<r[c].score&&(e=f),r[e-1>>1]=r[e],c=1+(e<<1)}for(var a=e-1>>1;e>0&&n.score<r[a].score;a=(e=a)-1>>1)r[e]=r[a];r[e]=n}return e.add=function(e){var n=o;r[o++]=e;for(var c=n-1>>1;n>0&&e.score<r[c].score;c=(n=c)-1>>1)r[n]=r[c];r[n]=e},e.poll=function(){if(0!==o){var e=r[0];return r[0]=r[--o],n(),e}},e.peek=function(e){if(0!==o)return r[0]},e.replaceTop=function(o){r[0]=o,n()},e};
|
||||
var q = fastpriorityqueue() // reuse this, except for async, it needs to make its own
|
||||
|
||||
return fuzzysortNew()
|
||||
}) // UMD
|
||||
|
||||
// TODO: (performance) wasm version!?
|
||||
// TODO: (performance) threads?
|
||||
// TODO: (performance) avoid cache misses
|
||||
// TODO: (performance) preparedCache is a memory leak
|
||||
// TODO: (like sublime) backslash === forwardslash
|
||||
// TODO: (like sublime) spaces: "a b" should do 2 searches 1 for a and 1 for b
|
||||
// TODO: (scoring) garbage in targets that allows most searches to strict match need a penality
|
||||
// TODO: (performance) idk if allowTypo is optimized
|
||||
@ -109,6 +109,9 @@ class SongSelect{
|
||||
|
||||
this.songs = []
|
||||
for(let song of assets.songs){
|
||||
var title = this.getLocalTitle(song.title, song.title_lang)
|
||||
song.titlePrepared = fuzzysort.prepare(title)
|
||||
song.subtitlePrepared = fuzzysort.prepare(this.getLocalTitle(title === song.title ? song.subtitle : "", song.subtitle_lang))
|
||||
this.songs.push(this.addSong(song))
|
||||
}
|
||||
this.songs.sort((a, b) => {
|
||||
@ -2939,23 +2942,9 @@ class SongSelect{
|
||||
|
||||
query = editedSplit.join(" ").trim()
|
||||
|
||||
var songs = assets.songs
|
||||
// TODO: fix this so it doesn't suck
|
||||
songs.sort((a, b) => {
|
||||
var aScore = 0
|
||||
var bScore = 0
|
||||
var aTitle = a.title.replace(query, "").length
|
||||
var bTitle = b.title.replace(query, "").length
|
||||
var aLength = aTitle - query.length
|
||||
var bLength = bTitle - query.length
|
||||
aScore += aLength - bLength
|
||||
bScore += bLength - aLength
|
||||
|
||||
return aScore - bScore
|
||||
})
|
||||
|
||||
for(var i = 0; i < songs.length; i++){
|
||||
var song = songs[i]
|
||||
var totalFilters = Object.keys(filters).length
|
||||
for(var i = 0; i < assets.songs.length; i++){
|
||||
var song = assets.songs[i]
|
||||
var passedFilters = 0
|
||||
|
||||
Object.keys(filters).forEach(filter => {
|
||||
@ -3020,17 +3009,18 @@ class SongSelect{
|
||||
}
|
||||
})
|
||||
|
||||
if(passedFilters === Object.keys(filters).length){
|
||||
var title = this.getLocalTitle(song.title, song.title_lang)
|
||||
var subtitle = this.getLocalTitle(title === song.title ? song.subtitle : "", song.subtitle_lang)
|
||||
|
||||
if(title.toLowerCase().includes(query) || (subtitle && subtitle.toLowerCase().includes(query))){
|
||||
if(passedFilters === totalFilters){
|
||||
results.push(song)
|
||||
}
|
||||
}
|
||||
|
||||
if(query){
|
||||
results = fuzzysort.go(query, results, {keys: ["titlePrepared", "subtitlePrepared"], allowTypo: true})
|
||||
results = results.map(result => result.obj)
|
||||
}
|
||||
|
||||
return results.slice(0, 50)
|
||||
results = results.slice(0, 100)
|
||||
return results
|
||||
}
|
||||
|
||||
searchInput(){
|
||||
|
||||
Loading…
Reference in New Issue
Block a user