create-expo-cljs-app
Version:
Create a react native application with Expo and Shadow-CLJS!
112 lines (110 loc) • 3.35 kB
JavaScript
goog.provide("com.cognitect.transit.caching");
goog.require("com.cognitect.transit.delimiters");
goog.scope(function() {
var caching = com.cognitect.transit.caching, d = com.cognitect.transit.delimiters;
caching.MIN_SIZE_CACHEABLE = 3;
caching.BASE_CHAR_IDX = 48;
caching.CACHE_CODE_DIGITS = 44;
caching.MAX_CACHE_ENTRIES = caching.CACHE_CODE_DIGITS * caching.CACHE_CODE_DIGITS;
caching.MAX_CACHE_SIZE = 4096;
caching.isCacheable = function(string, asMapKey) {
if (string.length > caching.MIN_SIZE_CACHEABLE) {
if (asMapKey) {
return true;
} else {
var c0 = string.charAt(0), c1 = string.charAt(1);
if (c0 === d.ESC) {
return c1 === ":" || c1 === "$" || c1 === "#";
} else {
return false;
}
}
} else {
return false;
}
};
caching.idxToCode = function(idx) {
var hi = Math.floor(idx / caching.CACHE_CODE_DIGITS), lo = idx % caching.CACHE_CODE_DIGITS, loc = String.fromCharCode(lo + caching.BASE_CHAR_IDX);
if (hi === 0) {
return d.SUB + loc;
} else {
return d.SUB + String.fromCharCode(hi + caching.BASE_CHAR_IDX) + loc;
}
};
caching.WriteCache = function() {
this.idx = 0;
this.gen = 0;
this.cacheSize = 0;
this.cache = {};
};
caching.WriteCache.prototype.write = function(string, asMapKey) {
if (caching.isCacheable(string, asMapKey)) {
if (this.cacheSize === caching.MAX_CACHE_SIZE) {
this.clear();
this.gen = 0;
this.cache = {};
} else {
if (this.idx === caching.MAX_CACHE_ENTRIES) {
this.clear();
}
}
var entry = this.cache[string];
if (entry == null) {
this.cache[string] = [caching.idxToCode(this.idx), this.gen];
this.idx++;
return string;
} else {
if (entry[1] != this.gen) {
entry[1] = this.gen;
entry[0] = caching.idxToCode(this.idx);
this.idx++;
return string;
} else {
return entry[0];
}
}
} else {
return string;
}
};
caching.WriteCache.prototype.clear = function Transit$WriteCache() {
this.idx = 0;
this.gen++;
};
caching.writeCache = function() {
return new caching.WriteCache;
};
caching.isCacheCode = function(string) {
return string.charAt(0) === d.SUB && string.charAt(1) !== " ";
};
caching.codeToIdx = function(code) {
if (code.length === 2) {
return code.charCodeAt(1) - caching.BASE_CHAR_IDX;
} else {
var hi = (code.charCodeAt(1) - caching.BASE_CHAR_IDX) * caching.CACHE_CODE_DIGITS, lo = code.charCodeAt(2) - caching.BASE_CHAR_IDX;
return hi + lo;
}
};
caching.ReadCache = function Transit$ReadCache() {
this.idx = 0;
this.cache = [];
};
caching.ReadCache.prototype.write = function(obj, asMapKey) {
if (this.idx == caching.MAX_CACHE_ENTRIES) {
this.idx = 0;
}
this.cache[this.idx] = obj;
this.idx++;
return obj;
};
caching.ReadCache.prototype.read = function(string, asMapKey) {
return this.cache[caching.codeToIdx(string)];
};
caching.ReadCache.prototype.clear = function() {
this.idx = 0;
};
caching.readCache = function() {
return new caching.ReadCache;
};
});
//# sourceMappingURL=com.cognitect.transit.caching.js.map