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https://github.com/g3n1us/g3n1us_helpers.js
A JS port of Laravel's helpers along with some other useful functions
https://github.com/g3n1us/g3n1us_helpers.js
Last synced: 25 days ago
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A JS port of Laravel's helpers along with some other useful functions
- Host: GitHub
- URL: https://github.com/g3n1us/g3n1us_helpers.js
- Owner: g3n1us
- Created: 2017-02-23T17:16:44.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2024-08-30T12:00:29.000Z (4 months ago)
- Last Synced: 2024-11-21T17:47:06.504Z (about 1 month ago)
- Language: JavaScript
- Size: 1.68 MB
- Stars: 2
- Watchers: 2
- Forks: 0
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# g3n1us_helpers.js
A JS port of Laravel's helpers along with some other useful functions
```javascript
ltrim: function(str, charlist) {
charlist = !charlist ? ' \\s\u00A0' : (charlist + '')
.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^:])/g, '$1')
var re = new RegExp('^[' + charlist + ']+', 'g')
return (str + '')
.replace(re, '')
},
rtrim: function(str, charlist) {
charlist = !charlist ? ' \\s\u00A0' : (charlist + '')
.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^:])/g, '\\$1')
var re = new RegExp('[' + charlist + ']+$', 'g')
return (str + '').replace(re, '')
},
randid: function(){
return 'ID' + Math.round(Math.random() * 100000);
},
getArgs: function(func) {
// First match everything inside the function argument parens.
var args = func.toString().match(/function\s.*?\(([^)]*)\)/)[1];
// Split the arguments string into an array comma delimited.
return args.split(',').map(function(arg) {
// Ensure no inline comments are parsed and trim the whitespace.
return arg.replace(/\/\*.*\*\//, '').trim();
}).filter(function(arg) {
// Ensure no undefined values are added.
return arg;
});
},
filter_int: function(num){
if(typeof num !== "string") return num;
else if(isNaN( parseInt(num) )) return num;
else return parseInt(num);
},
str_contains: function(haystack, needle){
return haystack.indexOf(needle) !== -1;
},
str_slug: function(text){
return text.toString().toLowerCase()
.replace(/\s+/g, '-') // Replace spaces with -
.replace(/[^\w\-]+/g, '') // Remove all non-word chars
.replace(/\-\-+/g, '-') // Replace multiple - with single -
.replace(/^-+/, '') // Trim - from start of text
.replace(/-+$/, ''); // Trim - from end of text
// Thanks @mathewbyrne: https://gist.github.com/mathewbyrne/1280286
},
in_array: function(needle, haystack){
return haystack.indexOf(needle) !== -1;
},
array_where: function(arr, callback){
var first = null;
arr.forEach(function(item){
if(callback(item)) first = item;
})
return first;
},
str_rand: function(length){
length = !length ? 5 : length;
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for( var i=0; i < length; i++ )
text += possible.charAt(Math.floor(Math.random() * possible.length));
return text;
},
array_rand: function(arr){
var len = arr.length;
var i = Math.ceil((Math.random() * len)) - 1;
return arr[i];
},
array_keys_by: function(key, array){
var keys = [];
array.forEach(function(item){
keys.push(item[key]);
});
return keys;
},
array_filter: function(arr, callback){
var filtered = [];
arr.forEach(function(v,k){
if(callback(v, arr)){
filtered.push(v);
};
});
return filtered;
},
array_diff: function(sharedkey, array1, array2){
var array1keys = this.array_keys_by(sharedkey, array1);
var array2keys = this.array_keys_by(sharedkey, array2);
var resultingarray = [];
array1.forEach(function(array1item){
if(!g3n1us_helpers.in_array(array1item[sharedkey], array2keys)) resultingarray.push(array1item);
});
return resultingarray;
},
array_except: function(obj, excluded_keys){
var newobj = {};
for(key in obj){
if(!g3n1us_helpers.in_array(key, excluded_keys)) newobj[key] = obj[key];
}
return newobj;
},
array_only: function(obj, included_keys){
var newobj = {};
included_keys.forEach(function(item){
newobj[item] = obj[item]
});
return newobj;
},
array_dot: function(obj){
var res = {};
(function recurse(obj, current) {
for(var key in obj) {
var value = obj[key];
var newKey = (current ? current + "." + key : key); // joined key with dot
if(value && typeof value === "object") {
res[newKey] = value;
recurse(value, newKey); // it's a nested object, so do it again
} else {
res[newKey] = value; // it's not an object, so set the property
}
}
})(obj);
return res;
},
is_array: function(possible_array){
return typeof possible_array === "object" && typeof possible_array.length === "number";
},
array_pluck: function(obj, val){
var results = [];
for(var i in obj){
var dotobj = g3n1us_helpers.array_dot(obj[i]);
results.push(dotobj[val]);
}
return results;
},
ucwords: function(str) {
return (str + '').replace(/^([a-z])|\s+([a-z])/g, function ($1) {
return $1.toUpperCase();
});
},
queryStringify: function(requestquery){
var str = '?';
for(key in requestquery) str += key + '=' + requestquery[key] + '&';
if(str.substr(-1) == '&') str = str.slice(0, -1);
return str;
},
merge_object: function(obj1,obj2){
var obj3 = {};
for (var attrname in obj1) { obj3[attrname] = obj1[attrname]; }
for (var attrname in obj2) { obj3[attrname] = obj2[attrname]; }
return obj3;
},
array_merge: function(obj1,obj2){
return g3n1us_helpers.merge_object(obj1,obj2);
},
// next is similar to above, but returns the original object with the seconds objects properties applied to it.
array_apply: function(dbobj, values){
for(valuekey in values) dbobj[valuekey] = values[valuekey];
return dbobj;
},
objectify: function(keyby, arr){
var obj = {};
arr.forEach(function(val){
obj[val[keyby]] = val;
});
return obj;
},
getMethods: function(obj){
var res = [];
for(var m in obj) {
if(typeof obj[m] == "function") {
res.push(m)
}
}
return res;
},
array_last: function(arr){return arr[arr.length-1]},
getHash: function(key, separator){
if(!separator) separator = '/';
var hash = g3n1us_helpers.rtrim(g3n1us_helpers.ltrim(window.location.hash, '/'), '/');
hash = g3n1us_helpers.rtrim(g3n1us_helpers.ltrim(hash, separator), separator);
var args = hash.split(separator);
var obj = {};
args.forEach(function(val){
var kv = val.split('=');
if(kv.length != 2 || kv[0].length == 0 || kv[1].length == 0) {
}
else{
obj[kv[0]] = g3n1us_helpers.filter_int( kv[1] );
}
});
if(!key)
return obj;
else
return obj[key];
},
setHash: function(obj, hashchange){
var hasharray = [];
if(!obj) obj = {};
var initialobj = g3n1us_helpers.getHash();
var ischanged = false;
for(testkey in obj){
if(obj[testkey] != initialobj[testkey]){
ischanged = true;
break;
}
}
if(ischanged){
obj = g3n1us_helpers.array_merge(initialobj,obj);
for(key in obj){
if(key && obj[key]){
hasharray.push(key + '=' + obj[key]);
}
}
var hashstring = '/' + hasharray.join('/');
if(hashchange)
window.location.hash = hashstring;
else
return hashstring;
}
},
form2Object: function($form, appendedObj){
var returnVal = {};
/*
Object.defineProperty(returnVal, "length", { get: function () {
var length = 0;
for(var i in returnVal) length++;
return length;
} });
*/
$form.serializeArray().forEach(function(obj){
returnVal[obj.name] = obj.value;
});
if(appendedObj){
for(k in appendedObj) returnVal[k] = appendedObj[k];
}
if($form.data('formdata')){
var jsonExtra = $form.data('formdata');
for(k in jsonExtra) returnVal[k] = jsonExtra[k];
}
var length = 0;
for(var i in returnVal) length++;
returnVal.length = length;
return returnVal;
},
ends_with: function(string, ending){
var realending = string.slice(ending.length * -1);
return ending == realending;
},
isset: function(variablename, obj){
var findin = obj || window;
return typeof findin[variablename] !== "undefined";
},
istrue: function(variablename, obj){
var findin = obj || window;
return !(!g3n1us_helpers.isset(variablename) || !findin[variablename]);
},
array_unique: function(arr){
var u = {}, a = [];
for(var i = 0, l = arr.length; i < l; ++i){
if(u.hasOwnProperty(arr[i])) {
continue;
}
a.push(arr[i]);
u[arr[i]] = 1;
}
return a;
},
mime: function(filename){
var path = filename.toLowerCase();
var mime = "text/html";
if(g3n1us_helpers.ends_with(path, ".css")) mime = "text/css";
else if(g3n1us_helpers.ends_with(path, ".less")) mime = "text/css";
else if(g3n1us_helpers.ends_with(path, ".sass")) mime = "text/css";
else if(g3n1us_helpers.ends_with(path, ".scss")) mime = "text/css";
else if(g3n1us_helpers.ends_with(path, ".mp4")) mime = "video/mp4";
else if(g3n1us_helpers.ends_with(path, ".mov")) mime = "video/quicktime";
else if(g3n1us_helpers.ends_with(path, ".js")) mime = "application/javascript";
else if(g3n1us_helpers.ends_with(path, ".pdf")) mime = "application/pdf";
else if(g3n1us_helpers.ends_with(path, ".svg")) mime = "image/svg+xml";
else if(g3n1us_helpers.ends_with(path, ".jpg")) mime = "image/jpeg";
else if(g3n1us_helpers.ends_with(path, ".jpeg")) mime = "image/jpeg";
else if(g3n1us_helpers.ends_with(path, ".png")) mime = "image/png";
else if(g3n1us_helpers.ends_with(path, ".gif")) mime = "image/gif";
else if(g3n1us_helpers.ends_with(path, ".ico")) mime = "image/vnd.microsoft.icon";
else if(g3n1us_helpers.ends_with(path, ".json")) mime = "application/json";
else if(g3n1us_helpers.ends_with(path, ".ttf")) mime = "application/x-font-truetype";
else if(g3n1us_helpers.ends_with(path, ".woff")) mime = "application/font-woff";
else if(g3n1us_helpers.ends_with(path, ".woff2")) mime = "application/font-woff2";
else if(g3n1us_helpers.ends_with(path, ".otf")) mime = "application/x-font-opentype";
else if(g3n1us_helpers.ends_with(path, ".eot")) mime = "application/vnd.ms-fontobject";
else if(g3n1us_helpers.ends_with(path, ".md")) mime = "text/markdown; charset=UTF-8";
else if(g3n1us_helpers.ends_with(path, ".swf")) mime = "application/x-shockwave-flash";
else if(g3n1us_helpers.ends_with(path, ".php")) mime = "text/html";
else if(g3n1us_helpers.ends_with(path, ".hbs")) mime = "text/x-handlebars-template";
else if(g3n1us_helpers.ends_with(path, ".json")) mime = "application/json";
return mime;
},
is_image: function(filename){
return g3n1us_helpers.str_contains(g3n1us_helpers.mime(filename), 'image');
},
```