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import {English} from "./i18n/en";
import {Bulgarian} from "./i18n/bg";
import {Portuguese} from "./i18n/pt";
import {SpanishLarga} from "./i18n/es-larga";
import {SpanishCorto} from "./i18n/es-corto";
import {IOptions} from "./interfaces/IOptions";
import {DEFAULT_OPTIONS, ERROR} from "./constants";
export enum Language {
EN = "en",
BG = "bg",
PT = "pt",
ES = "es",
ESLarga = "es-larga",
ESCorto = "es-corto",
}
export class Wordify {
protected number = "";
protected firstIteration = true;
protected lang: ITranslation = English;
protected options: IOptions = DEFAULT_OPTIONS;
protected hasInUnits(n: string): string {
const response = this.lang.units[n]
if(!response) return ''
if (typeof response === 'string') return response;
if (!this.options.gender)
throw new Error(ERROR.INVALID_GENDER)
return response[this.options.gender]!;
}
protected isLessThan100(n: string): string {
if (Number(n) >= 100) return ""
const separator = this.lang.unitSeparator ?? this.lang.separator ?? " ";
const tenths = this.lang.tenths[n[0].padEnd(2, '0')];
if (!tenths) throw new Error(ERROR.MISSING_PROPERTY)
const rest = this.convert(n.substr(1));
if (!rest) {
if (typeof tenths === 'string') return tenths
if (this.options.gender && tenths[this.options.gender])
return tenths[this.options.gender]!
throw new Error(ERROR.MISSING_GENDER)
}
if (typeof tenths === 'string') {
return tenths + separator + rest
} else {
if (this.options.gender)
return tenths[this.options.gender]!
}
return ""
}
protected isLessThan1000(n: string): string {
if (Number(n) >= 1000) return ""
let hundreds = this.lang.hundreds[n[0].padEnd(3, '0')];
if (!hundreds) {
let unity = this.lang.units[n[0]];
const isBiggerThanOne = Number(n[0]) > 1;
unity = typeof unity === 'string' ? unity : unity[this.options.gender]!
const findElement = this.lang.other.find(o => o.exponent === 2)!;
const result = findElement.all ?? (isBiggerThanOne ? findElement.plural : findElement.singular);
const hundred = typeof result === 'string' ? result : result![this.options.gender];
hundreds = `${unity} ${hundred}`
}
const rest = n.substr(1);
const overflow = Number(rest);
const result = this.convert(rest)
let separator = " ";
const definedSeparator = this.lang.orderSeparator ?? this.lang.separator;
let wordsSoFar: string[];
if (definedSeparator && !this.lang.ignoreHundredsSeparator)
wordsSoFar = result.replace(new RegExp(definedSeparator, 'i'), "").split(" ")
else
wordsSoFar = result.split(" ")
if (wordsSoFar.length === 1 && !!wordsSoFar[0])
separator = this.lang.orderSeparator ?? this.lang.separator ?? " "
if (overflow > 0)
return (typeof hundreds === 'string' ? hundreds : hundreds[this.options.gender]!) + separator + result
return (typeof hundreds === 'string' ? hundreds : hundreds[this.options.gender]!)
}
protected convert(n: string): string {
const number = Number(n);
const length = n.length;
n = number.toString();
if (!this.firstIteration && n === '0') return '';
this.firstIteration = false
let res = '';
if (res = this.hasInUnits(n)) return res
if (res = this.isLessThan100(n)) return res
if (res = this.isLessThan1000(n)) return res
const sorted = this.lang.other.sort((a, b) => a.exponent - b.exponent)
const orderAbove = sorted.findIndex(o => o.exponent >= length)
const order = sorted[orderAbove - 1];
const multiplier = n.substr(0, n.length - order.exponent);
let result = '';
if (order.all) {
if (typeof order.all === 'string') result = order.all
else result = order.all[this.options.gender]!
} else if (Number(multiplier) > 1) {
if (typeof order.plural === 'string') result = order.plural
else if (order.plural) result = order.plural[this.options.gender]!
} else {
if (typeof order.singular === 'string') result = order.singular
else if (order.singular) result = order.singular[this.options.gender]!
}
let separator = " "
const other = n.substr(multiplier.length);
const overflow = Number(other);
if (overflow > 0) {
const rest = this.convert(other)
if ((overflow < Math.pow(10, order.exponent) && overflow % Math.pow(10, order.exponent - 1) === 0) || rest.split(" ").length === 1) {
separator = this.lang.orderSeparator ?? this.lang.separator ?? " "
}
return `${this.convert(multiplier)} ${result}${separator}${this.convert(other)}`
}
return `${this.convert(multiplier)}${separator}${result}`
}
public static from(number: string | number): Wordify {
if (Number.isNaN(number))
throw new Error('Input is not a number')
const instance = new Wordify()
instance.number = number.toString().trim()
return instance
}
public toWords(language: Language = Language.EN, options?: IOptions): string {
if (options) this.options = options
switch (language) {
case Language.BG:
this.lang = Bulgarian;
break;
case Language.EN:
this.lang = English;
break;
case Language.PT:
this.lang = Portuguese;
break;
case Language.ESLarga:
this.lang = SpanishLarga;
break;
case Language.ESCorto:
this.lang = SpanishCorto;
break;
case Language.ES:
this.lang = SpanishCorto;
break;
default:
this.lang = English
break;
}
let value = this.convert(this.number)
if (this.lang.exceptions && this.lang.exceptions.length > 0) {
this.lang.exceptions
.filter(e => e.type === 'post')
.forEach(e => {
value = e.func(value, Number(this.number))
})
}
return value
}
} |