@synerty/vortexjs
Version:
Custom observable data serialisation and routing based on Angular 2+
157 lines • 16.4 kB
JavaScript
/**
* Created by Jarrod Chesney / Synerty on 22/11/16.
*/
// ----------------------------------------------------------------------------
/**
* Keys from Object
*
* Extract an array of keys from a json object.
* This will not include keys starting with an underscore.
*
* @param obj: The object to get the keys from.
* @param includeUnderscore: Should keys with underscores be included?
* @return A list of keys from the object.
*/
export function dictKeysFromObject(obj, includeUnderscore = false) {
let keys = [];
for (let k in obj) {
if ((!k.startsWith("_") || includeUnderscore)
&& obj.hasOwnProperty(k) && typeof k !== "function") {
keys.push(k);
}
}
return keys;
}
// ----------------------------------------------------------------------------
export class AssertException {
message;
constructor(message) {
let self = this;
self.message = message;
}
toString() {
let self = this;
return "AssertException: " + self.message;
}
}
/**
* A simple assert statement
* @param exp : The boolean to assert
* @param message : The message to log when the assertion fails.
*/
export function assert(exp, message = null) {
if (exp)
return;
console.trace();
throw new AssertException(message);
}
// ----------------------------------------------------------------------------
/**
* Create url encoded arguments
*
* @param filter : The object containing the key:value pairs to convert into a url
*
*/
export function getFiltStr(filter) {
let filtStr = "";
for (let key in filter) {
if (!filter.hasOwnProperty(key))
continue;
filtStr += (filtStr.length ? "&" : "?") + key + "=" + filter[key];
}
return filtStr;
}
// ----------------------------------------------------------------------------
/**
* Date String
*
* @return A date and time formatted to a string for log messages.
*/
export function dateStr() {
let d = new Date();
return d.toTimeString()
.split(" ")[0] + "." + d.getUTCMilliseconds() + ": ";
}
// ----------------------------------------------------------------------------
/**
* Bind a function
* @param obj : The object to bind the function for.
* @param method : The method to bind onto to the object.
*
* @return A callable function that will call the method correctly bound to "this"
*/
export function bind(obj, method) {
return function () {
return method.apply(obj, arguments);
};
}
// ----------------------------------------------------------------------------
/**
* Bind a function
* @param err : The err object to convert to a string.
*
* @return A callable function that will call the method correctly bound to "this"
*/
export function errToStr(err) {
if (err.message != null)
return err.message;
try {
let jsonStr = JSON.stringify(err);
if (jsonStr != "{}")
return jsonStr;
}
catch (ignore) {
}
return err.toString();
}
/** Deep Clone
* @param data: Deep Clone an entire JSON data structure
* @param ignoreFieldNames: An array of field names not to copy.
*
* @return A clone of the data
*/
export function deepCopy(data, ignoreFieldNames = null) {
const dict = {};
if (ignoreFieldNames != null
&& Object.prototype.toString.call(ignoreFieldNames)
.slice(8, -1) == "Array") {
for (const fieldName of ignoreFieldNames)
dict[fieldName] = true;
}
return _deepCopy(data, dict);
}
function _deepCopy(data, ignoreFieldNames) {
// If the data is null or undefined then we return undefined
if (data === null || data === undefined)
return undefined;
// Get the data type and store it
const dataType = Object.prototype.toString.call(data)
.slice(8, -1);
// DATE
if (dataType == "Date") {
const clonedDate = new Date();
clonedDate.setTime(data.getTime());
return clonedDate;
}
// OBJECT
if (dataType == "Object") {
let copiedObject = {};
for (const key of Object.keys(data)) {
if (ignoreFieldNames != null && ignoreFieldNames[key] === true)
continue;
copiedObject[key] = _deepCopy(data[key], ignoreFieldNames);
}
return copiedObject;
}
// ARRAY
if (dataType == "Array") {
let copiedArray = [];
for (const item of data)
copiedArray.push(_deepCopy(item, ignoreFieldNames));
return copiedArray;
}
return data;
}
// ----------------------------------------------------------------------------
/* Add a imports for these requires */
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* Created by Jarrod Chesney / Synerty on 22/11/16.\n */\n// ----------------------------------------------------------------------------\n/**\n * Keys from Object\n *\n * Extract an array of keys from a json object.\n * This will not include keys starting with an underscore.\n *\n * @param obj: The object to get the keys from.\n * @param includeUnderscore: Should keys with underscores be included?\n * @return A list of keys from the object.\n */\nexport function dictKeysFromObject(\n    obj: {},\n    includeUnderscore = false\n): string[] {\n    let keys = []\n    for (let k in obj) {\n        if ((!k.startsWith(\"_\") || includeUnderscore)\n            && obj.hasOwnProperty(k) && typeof k !== \"function\") {\n            keys.push(k)\n        }\n    }\n    return keys\n}\n\n// ----------------------------------------------------------------------------\n\nexport class AssertException {\n    message: string\n    \n    constructor(message: string) {\n        let self = this\n        self.message = message\n    }\n    \n    toString(): string {\n        let self = this\n        return \"AssertException: \" + self.message\n    }\n}\n\n/**\n * A simple assert statement\n * @param exp : The boolean to assert\n * @param message : The message to log when the assertion fails.\n */\nexport function assert(\n    exp: boolean,\n    message: string | null = null\n): null {\n    if (exp)\n        return\n    \n    console.trace()\n    throw new AssertException(message)\n}\n\n// ----------------------------------------------------------------------------\n\n/**\n * Create url encoded arguments\n *\n * @param filter : The object containing the key:value pairs to convert into a url\n *\n */\nexport function getFiltStr(filter: {}): string {\n    let filtStr = \"\"\n    \n    for (let key in filter) {\n        if (!filter.hasOwnProperty(key))\n            continue\n        \n        filtStr += (filtStr.length ? \"&\" : \"?\") + key + \"=\" + filter[key]\n    }\n    \n    return filtStr\n}\n\n// ----------------------------------------------------------------------------\n\n/**\n * Date String\n *\n * @return A date and time formatted to a string for log messages.\n */\nexport function dateStr(): string {\n    let d = new Date()\n    return d.toTimeString()\n        .split(\" \")[0] + \".\" + d.getUTCMilliseconds() + \": \"\n}\n\n// ----------------------------------------------------------------------------\n\n/**\n * Bind a function\n * @param obj : The object to bind the function for.\n * @param method : The method to bind onto to the object.\n *\n * @return A callable function that will call the method correctly bound to \"this\"\n */\nexport function bind(\n    obj: any,\n    method: any\n): any {\n    return function () {\n        return method.apply(obj, arguments)\n    }\n}\n\n// ----------------------------------------------------------------------------\n\n/**\n * Bind a function\n * @param err : The err object to convert to a string.\n *\n * @return A callable function that will call the method correctly bound to \"this\"\n */\nexport function errToStr(err: any): string {\n    \n    if (err.message != null)\n        return err.message\n    \n    try {\n        let jsonStr = JSON.stringify(err)\n        if (jsonStr != \"{}\")\n            return jsonStr\n        \n    }\n    catch (ignore) {\n    }\n    \n    return err.toString()\n}\n\n// ----------------------------------------------------------------------------\n\ninterface ignoreDictType {\n    [name: string]: any\n}\n\n/** Deep Clone\n * @param data: Deep Clone an entire JSON data structure\n * @param ignoreFieldNames: An array of field names not to copy.\n *\n * @return A clone of the data\n */\n\nexport function deepCopy(\n    data,\n    ignoreFieldNames: string[] | null = null\n) {\n    const dict: ignoreDictType = {}\n    if (ignoreFieldNames != null\n        && Object.prototype.toString.call(ignoreFieldNames)\n            .slice(8, -1) == \"Array\") {\n        for (const fieldName of ignoreFieldNames)\n            dict[fieldName] = true\n    }\n    return _deepCopy(data, dict)\n    \n}\n\nfunction _deepCopy(\n    data,\n    ignoreFieldNames: ignoreDictType\n) {\n    \n    // If the data is null or undefined then we return undefined\n    if (data === null || data === undefined)\n        return undefined\n    \n    // Get the data type and store it\n    const dataType = Object.prototype.toString.call(data)\n        .slice(8, -1)\n    \n    // DATE\n    if (dataType == \"Date\") {\n        const clonedDate = new Date()\n        clonedDate.setTime(data.getTime())\n        return clonedDate\n    }\n    \n    // OBJECT\n    if (dataType == \"Object\") {\n        let copiedObject = {}\n        \n        for (const key of Object.keys(data)) {\n            if (ignoreFieldNames != null && ignoreFieldNames[key] === true)\n                continue\n            copiedObject[key] = _deepCopy(data[key], ignoreFieldNames)\n        }\n        \n        return copiedObject\n    }\n    \n    // ARRAY\n    if (dataType == \"Array\") {\n        let copiedArray = []\n        \n        for (const item of data)\n            copiedArray.push(_deepCopy(item, ignoreFieldNames))\n        \n        return copiedArray\n    }\n    \n    return data\n}\n\n// ----------------------------------------------------------------------------\n\n/* Add a imports for these requires */\n"]}