287 lines
8.6 KiB
TypeScript
287 lines
8.6 KiB
TypeScript
import {UrlSegment} from '@angular/router';
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export class Dates {
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public static yearMin = 1800;
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public static yearMax = (new Date().getFullYear()) + 10;
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public static currentYear = (new Date().getFullYear());
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public static isValidYear(yearString, yearMin=this.yearMin, yearMax=this.yearMax) {
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// First check for the pattern
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if (!/^\d{4}$/.test(yearString))
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return false;
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var year = parseInt(yearString, 10);
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// Check the ranges of month and year
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if (year < yearMin || year > yearMax)
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return false;
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return true;
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}
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//format YYYY-MM-DD
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public static isValidDate(dateString: string) {
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// First check for the pattern
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if (!/^\d{4}\-\d{1,2}\-\d{1,2}$/.test(dateString))
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return false;
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// Parse the date parts to integers
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var parts = dateString.split("-");
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var day = parseInt(parts[2], 10);
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var month = parseInt(parts[1], 10);
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var year = parseInt(parts[0], 10);
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if (!this.isValidYear(parts[0])) {
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return false;
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}
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// Check the ranges of month and year
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if (month == 0 || month > 12)
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return false;
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var monthLength = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
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// Adjust for leap years
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if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0))
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monthLength[1] = 29;
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// Check the range of the day
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return day > 0 && day <= monthLength[month - 1];
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}
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public static getDateToday(): Date {
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var myDate = new Date();
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return myDate;
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}
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public static getDateToString(myDate: Date): string {
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var date: string = myDate.getFullYear() + "-";
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date += ((myDate.getMonth() + 1) < 10) ? "0" + (myDate.getMonth() + 1) : (myDate.getMonth() + 1);
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date += "-";
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date += (myDate.getDate() < 10) ? "0" + myDate.getDate() : myDate.getDate();
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return date;
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}
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public static getDateXMonthsAgo(x: number): Date {
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var myDate = new Date();
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myDate.setMonth(myDate.getMonth() - x);
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return myDate;
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}
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public static getDateXYearsAgo(x: number): Date {
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var myDate = new Date();
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myDate.setFullYear(myDate.getFullYear() - x);
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return myDate;
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}
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public static getDateFromString(date: string): Date {
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var myDate = new Date();
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myDate.setFullYear(+date.substring(0, 4));
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myDate.setMonth(((date.length > 5) ? (+date.substring(5, 7) - 1) : (0)));
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myDate.setDate(((date.length > 8) ? (+date.substring(8, 11)) : (1)));
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return myDate;
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}
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public static getDate(dateString: string): Date {
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let date = new Date(dateString);
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if (Object.prototype.toString.call(date) === "[object Date]") {
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if (isNaN(date.getTime())) {
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return null;
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} else {
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return date;
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}
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} else {
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return null;
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}
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}
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}
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export class DOI {
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public static getDOIsFromString(str: string): string[] {
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return Identifier.getDOIsFromString(str);
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}
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public static isValidDOI(str: string): boolean {
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return Identifier.isValidDOI(str);
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}
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}
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export class Identifier {
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class: "doi" | "pmc" | "pmid" | "handle" | "ORCID" = null;
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id: string;
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public static getDOIsFromString(str: string): string[] {
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var DOIs: string[] = [];
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var words: string[] = str.split(" ");
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for (var i = 0; i < words.length; i++) {
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if (DOI.isValidDOI(words[i]) && DOIs.indexOf(words[i]) == -1) {
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DOIs.push(words[i]);
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}
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}
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return DOIs;
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}
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public static getIdentifiersFromString(str: string): Identifier[] {
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let identifiers: Identifier[] = [];
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let words: string[] = str.split(" ");
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for (let id of words) {
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if (id.length > 0) {
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if (Identifier.isValidDOI(id)) {
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identifiers.push({"class": "doi", "id": id})
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} else if (Identifier.isValidORCID(id)) {
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identifiers.push({"class": "ORCID", "id": id})
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} else if (Identifier.isValidPMCID(id)) {
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identifiers.push({"class": "pmc", "id": id})
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} else if (Identifier.isValidPMID(id)) {
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identifiers.push({"class": "pmid", "id": id})
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} else if (Identifier.isValidHANDLE(id)) {
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identifiers.push({"class": "handle", "id": id})
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}
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}
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}
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return identifiers;
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}
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public static isValidDOI(str: string): boolean {
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var exp1 = /\b(10[.][0-9]{4,}(?:[.][0-9]+)*\/(?:(?!["&\'<>])\S)+)\b/g
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var exp2 = /\b(10[.][0-9]{4,}(?:[.][0-9]+)*\/(?:(?!["&\'<>])[[:graph:]])+)\b/g
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return (str.match(exp1) != null || str.match(exp2) != null);
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}
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public static isValidORCID(str: string): boolean {
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let exp = /\b\d{4}-\d{4}-\d{4}-(\d{3}X|\d{4})\b/g;
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return str.match(exp) != null;
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}
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public static isValidPMID(str: string): boolean {
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let exp = /^\d*$/g;
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return str.match(exp) != null;
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}
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public static isValidPMCID(str: string): boolean {
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let exp = /^(PMC\d{7})$/g;
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return str.match(exp) != null;
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}
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public static isValidHANDLE(str: string): boolean {
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let exp = /^[0-9a-zA-Z-]*\/[0-9a-zA-Z-]*$/g;
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return str.match(exp) != null;
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}
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}
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export class StringUtils {
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public static urlPrefix(url: string): string {
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if (url.startsWith("http://") || url.startsWith("https://") || url.startsWith("//")) {
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return "";
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} else {
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return "//";
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}
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}
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public static quote(params: string): string {
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return '"' + params + '"';
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}
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public static unquote(params: string): string {
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if (params.length > 2 && (params[0] == '"' && params[params.length - 1] == '"') || (params[0] == "'" && params[params.length - 1] == "'")) {
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params = params.substring(1, params.length - 1);
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}
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return params;
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}
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public static URIEncode(params: string): string {
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return encodeURIComponent(params);
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}
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public static URIDecode(params: string): string {
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return decodeURIComponent(params);
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}
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public static b64DecodeUnicode(str) {
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return decodeURIComponent(Array.prototype.map.call(atob(str), function (c) {
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return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
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}).join(''));
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}
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private emailValidator(email: any): boolean {
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return !!email.match("^[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,4}$");
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}
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public static sliceString(mystr, size: number): string {
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const sliced = String(mystr).substr(0, size);
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return sliced + (String(mystr).length > size ? '...' : '');
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}
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/**
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* Splits a text to words base on a list of separators. Returns the words of the text including the separators.
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* DO NOT TOUCH, IT WORKS
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*
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* @param text
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* @param separators
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*/
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public static split(text: string, separators: string[]): string[] {
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let words: (string | string[])[] = [text];
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separators.forEach(separator => {
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words.forEach((word, index) => {
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if (typeof word === "string" && separators.indexOf(word) === -1) {
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let tokens: string[] = word.split(separator).filter(value => value !== '');
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if (tokens.length > 1) {
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words[index] = [];
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tokens.forEach((token, i) => {
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(<string[]>(words[index])).push(token);
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if (i !== (tokens.length - 1)) {
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(<string[]>(words[index])).push(separator);
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}
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});
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}
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}
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});
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words = [].concat.apply([], words);
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});
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return <string []>words;
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}
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public static capitalize(value: string): string {
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return value.charAt(0).toUpperCase() + value.slice(1);
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}
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/**
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* Checks if a text contains a word
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*/
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public static containsWord(text: string, word: string):boolean {
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return (text && text.toLowerCase().includes(word));
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}
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public static URLSegmentsToPath(segments: UrlSegment[]): string {
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let path = '';
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segments.forEach(route => {
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path += '/' + route.path;
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})
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return path;
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}
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public static isEuropeanCountry(country: string) {
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let countries = ["Albania", "Andorra", "Armenia", "Austria", "Azerbaijan", "Belarus", "Belgium", "Bosnia and Herzegovina",
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"Bulgaria", "Croatia", "Cyprus", "Czech Republic", "Denmark", "Estonia", "Finland", "France", "Georgia", "Germany", "Greece", "Hungary", "Iceland", "Ireland",
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"Italy", "Kosovo", "Latvia", "Liechtenstein", "Lithuania", "Luxembourg", "Macedonia", "Malta", "Moldova", "Monaco", "Montenegro", "The Netherlands", "Norway", "Poland",
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"Portugal", "Romania", "Russia", "San Marino", "Serbia", "Slovakia", "Slovenia", "Spain", "Sweden", "Switzerland", "Turkey", "Ukraine", "United Kingdom", "Vatican City",
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];
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return (country && countries.indexOf(country) != -1);
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}
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public static isOpenAIREID(id:string){
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if(id && id.length == 46){
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let exp1 = /^.{12}::([0-9a-z]{32})$/g;
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return (id.match(exp1)!=null);
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}
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return false;
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}
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}
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