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minor fixes, code cleanup...
minor fixes, code cleanup start porting IoC container to ts
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r33:58f57bdfc295 di-typescript
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safe.ts
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cin
core/safe ported to typescript
 r16 export function argumentNotNull(arg, name) {
if (arg === null || arg === undefined)
throw new Error("The argument " + name + " can't be null or undefined");
}
export function argumentNotEmptyString(arg, name) {
if (typeof (arg) !== "string" || !arg.length)
throw new Error("The argument '" + name + "' must be a not empty string");
}
export function argumentNotEmptyArray(arg, name) {
if (!(arg instanceof Array) || !arg.length)
throw new Error("The argument '" + name + "' must be a not empty array");
}
export function argumentOfType(arg, type, name) {
if (!(arg instanceof type))
throw new Error("The argument '" + name + "' type doesn't match");
}
export function isNull(arg) {
return (arg === null || arg === undefined);
}
export function isPrimitive(arg) {
return (arg === null || arg === undefined || typeof (arg) === "string" ||
typeof (arg) === "number" || typeof (arg) === "boolean");
}
export function isInteger(arg) {
return parseInt(arg) == arg;
}
export function isNumber(arg) {
return parseFloat(arg) == arg;
}
export function isString(val) {
return typeof (val) == "string" || val instanceof String;
}
export function isNullOrEmptyString(str) {
if (str === null || str === undefined ||
((typeof (str) == "string" || str instanceof String) && str.length === 0))
return true;
}
cin
minor fixes, code cleanup...
 r33 export function isNotEmptyArray(arg): arg is Array<any> {
cin
core/safe ported to typescript
 r16 return (arg instanceof Array && arg.length > 0);
}
/**
* Выполняет метод для каждого элемента массива, останавливается, когда
* либо достигнут конец массива, либо функция <c>cb</c> вернула
* значение.
*
* @param {Array | Object} obj массив элементов для просмотра
* @param {Function} cb функция, вызываемая для каждого элемента
* @param {Object} thisArg значение, которое будет передано в качестве
* <c>this</c> в <c>cb</c>.
* @returns Результат вызова функции <c>cb</c>, либо <c>undefined</c>
* если достигнут конец массива.
*/
cin
minor fixes, code cleanup...
 r33 export function each(obj, cb, thisArg?) {
cin
core/safe ported to typescript
 r16 argumentNotNull(cb, "cb");
var i, x;
if (obj instanceof Array) {
for (i = 0; i < obj.length; i++) {
x = cb.call(thisArg, obj[i], i);
if (x !== undefined)
return x;
}
} else {
var keys = Object.keys(obj);
for (i = 0; i < keys.length; i++) {
var k = keys[i];
x = cb.call(thisArg, obj[k], k);
if (x !== undefined)
return x;
}
}
}
cin
minor fixes, code cleanup...
 r33 /** Copies property values from a source object to the destination and returns
* the destination onject.
*
* @param dest The destination object into which properties from the source
* object will be copied.
* @param source The source of values which will be copied to the destination
* object.
* @param template An optional parameter specifies which properties should be
* copied from the source and how to map them to the destination. If the
* template is an array it contains the list of property names to copy from the
* source to the destination. In case of object the templates contains the map
* where keys are property names in the source and the values are property
* names in the destination object. If the template isn't specified then the
* own properties of the source are entirely copied to the destination.
*
*/
export function mixin<T,S>(dest: T, source: S, template?: string[] | object) : T & S {
argumentNotNull(dest, "to");
let _res = <T & S>dest;
if (template instanceof Array) {
for(let i = 0; i < template.length; i++) {
let p = template[i];
if (p in source)
_res[p] = source[p];
}
} else if (template) {
let keys = Object.keys(source);
for(let i = 0; i < keys.length; i++) {
let p = keys[i];
if (p in template)
_res[template[p]] = source[p];
}
} else {
let keys = Object.keys(source);
for(let i = 0; i < keys.length; i++) {
let p = keys[i];
_res[p] = source[p];
}
}
return _res;
}
cin
core/safe ported to typescript
 r16 /** Wraps the specified function to emulate an asynchronous execution.
* @param{Object} thisArg [Optional] Object which will be passed as 'this' to the function.
* @param{Function|String} fn [Required] Function wich will be wrapped.
*/
cin
minor fixes, code cleanup...
 r33 export function async(_fn: (...args: any[]) => any, thisArg): (...args: any[]) => PromiseLike<any> {
cin
core/safe ported to typescript
 r16 let fn = _fn;
if (arguments.length == 2 && !(fn instanceof Function))
fn = thisArg[fn];
if (fn == null)
throw new Error("The function must be specified");
cin
minor fixes, code cleanup...
 r33 function wrapresult(x, e?): PromiseLike<any> {
cin
core/safe ported to typescript
 r16 if (e) {
return {
then: function (cb, eb) {
try {
return eb ? wrapresult(eb(e)) : this;
} catch (e2) {
return wrapresult(null, e2);
}
}
};
} else {
if (x && x.then)
return x;
return {
then: function (cb) {
try {
return cb ? wrapresult(cb(x)) : this;
} catch (e2) {
return wrapresult(e2);
}
}
};
}
}
return function () {
try {
return wrapresult(fn.apply(thisArg, arguments));
} catch (e) {
return wrapresult(null, e);
}
};
}
cin
minor fixes, code cleanup...
 r33 export function delegate<T, K extends keyof T>(target: T, _method: (K | Function)) {
let method;
cin
core/safe ported to typescript
 r16
if (!(_method instanceof Function)) {
argumentNotNull(target, "target");
method = target[_method];
cin
minor fixes, code cleanup...
 r33 if (!(method instanceof Function))
throw new Error("'method' argument must be a Function or a method name");
cin
core/safe ported to typescript
 r16 } else {
method = _method;
}
return function () {
return method.apply(target, arguments);
};
}
/**
* Для каждого элемента массива вызывает указанную функцию и сохраняет
* возвращенное значение в массиве результатов.
*
* @remarks cb может выполняться асинхронно, при этом одновременно будет
* только одна операция.
*
* @async
*/
export function pmap(items, cb) {
argumentNotNull(cb, "cb");
if (items && items.then instanceof Function)
return items.then(function (data) {
return pmap(data, cb);
});
if (isNull(items) || !items.length)
return items;
var i = 0,
result = [];
function next() {
var r, ri;
function chain(x) {
result[ri] = x;
return next();
}
while (i < items.length) {
r = cb(items[i], i);
ri = i;
i++;
if (r && r.then) {
return r.then(chain);
} else {
result[ri] = r;
}
}
return result;
}
return next();
}
/**
* Выбирает первый элемент из последовательности, или обещания, если в
* качестве параметра используется обещание, оно должно вернуть массив.
*
* @param {Function} cb обработчик результата, ему будет передан первый
* элемент последовательности в случае успеха
* @param {Function} err обработчик исключения, если массив пустой, либо
* не массив
*
* @remarks Если не указаны ни cb ни err, тогда функция вернет либо
* обещание, либо первый элемент.
* @async
*/
export function first(sequence: any, cb: Function, err: Function) {
if (sequence) {
if (sequence.then instanceof Function) {
return sequence.then(function (res) {
return first(res, cb, err);
}, err);
} else if (sequence && "length" in sequence) {
if (sequence.length === 0) {
if (err)
return err(new Error("The sequence is empty"));
else
throw new Error("The sequence is empty");
}
return cb ? cb(sequence[0]) : sequence[0];
}
}
if (err)
return err(new Error("The sequence is required"));
else
throw new Error("The sequence is required");
cin
Code cleanup,...
 r22 }
export function destroy(d: any) {
if (d && 'destroy' in d)
d.destroy();
cin
core/safe ported to typescript
 r16 }