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n2words

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Convert numbers to words in 70+ languages with zero dependencies. Supports BigInt, decimals, and browser/Node.js environments.

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/*! n2words/en-NZ v5.1.2 | MIT License | github.com/forzagreen/n2words */ var e,n;e=this,n=function(e){"use strict";function n(e){let[n,t]=e.toLowerCase().split("e");const r=parseInt(t,10);let i="";"-"===n[0]&&(i="-",n=n.slice(1));const o=n.indexOf("."),s=-1===o?n:n.slice(0,o)+n.slice(o+1),u=(-1===o?n.length:o)+r;return u>=s.length?i+s+"0".repeat(u-s.length):u<=0?i+"0."+"0".repeat(-u)+s:i+s.slice(0,u)+"."+s.slice(u)}function t(e){const t=e.toString();return r(t)?n(t):t}function r(e){return e.includes("e")||e.includes("E")}function i(e){const n="-"===e[0];n&&(e=e.slice(1));const t=e.indexOf(".");if(-1===t)return{isNegative:n,integerPart:BigInt(e)};const r=e.slice(0,t)||"0",i=e.slice(t+1);return{isNegative:n,integerPart:BigInt(r),decimalPart:i}}function o(e){let t=e.trim();if(0===t.length||Number.isNaN(Number(t)))throw new RangeError(`Invalid currency format: "${e}"`);r(t)&&(t=n(t));const i="-"===t[0];i&&(t=t.slice(1));const o=t.indexOf(".");if(-1===o)return{isNegative:i,dollars:BigInt(t),cents:0n};const s=t.slice(0,o)||"0",u=(t.slice(o+1)+"00").slice(0,2);return{isNegative:i,dollars:BigInt(s),cents:BigInt(u)}}function s(e,n,t){if(null===n)return;if(e<n&&!(t&&BigInt(t)>=n))return;const r=n.toString().length-1,i=n===10n**BigInt(r)?`10^${r} - 1`:""+(n-1n);throw new RangeError(`Number too large to convert: the largest supported value is ${i}`)}function u(e){return 10n**BigInt(3*(e+1))}const l=["","one","two","three","four","five","six","seven","eight","nine"],f=["ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"],c=["","","twenty","thirty","forty","fifty","sixty","seventy","eighty","ninety"],a=["thousand","million","billion","trillion","quadrillion","quintillion","sextillion","septillion","octillion","nonillion","decillion","undecillion","duodecillion","tredecillion","quattuordecillion","quindecillion","sexdecillion","septendecillion","octodecillion","novemdecillion","vigintillion"],d=u(a.length),g=u(a.length),h=u(a.length),w="hundred",b="zero",p="minus",m=["","first","second","third","fourth","fifth","sixth","seventh","eighth","ninth"],v=["tenth","eleventh","twelfth","thirteenth","fourteenth","fifteenth","sixteenth","seventeenth","eighteenth","nineteenth"],y=["","","twentieth","thirtieth","fortieth","fiftieth","sixtieth","seventieth","eightieth","ninetieth"],N={word:"",hasHundred:!1};function I(e){if(0===e)return N.word="",N.hasHundred=!1,N;const n=e%10,t=Math.trunc(e/10)%10,r=Math.trunc(e/100);let i="";return 1===t?i=f[n]:t>=2?i=n>0?c[t]+"-"+l[n]:c[t]:n>0&&(i=l[n]),r>0?(N.word=i?l[r]+" "+w+" and "+i:l[r]+" "+w,N.hasHundred=!0):(N.word=i,N.hasHundred=!1),N}function E(e){if(0n===e)return b;if(e<1000n)return I(Number(e)).word;if(e<1000000n){const n=Number(e/1000n),t=Number(e%1000n),{word:r}=I(n);let i=r+" "+a[0];if(t>0){const{word:e,hasHundred:n}=I(t);i+=n?" "+e:" and "+e}return i}return function(e){const n=[];let t=e;for(;t>0n;)n.push(Number(t%1000n)),t/=1000n;let r=-1;for(let e=0;e<n.length;e++)if(0!==n[e]){r=e;break}let i="",o=!1;for(let e=n.length-1;e>=0;e--){const t=n[e];if(0===t)continue;const{word:s,hasHundred:u}=I(t);i&&e===r&&o&&!u&&(i+=" and"),i&&(i+=" "),i+=s,e>0?(i+=" "+a[e-1],o=!0):o=!1}return i}(e)}function O(e){const n=e%10,t=Math.trunc(e/10)%10,r=Math.trunc(e/100);let i="";return 1===t?i=v[n]:t>=2?i=n>0?c[t]+"-"+m[n]:y[t]:n>0&&(i=m[n]),r>0?i?l[r]+" "+w+" "+i:l[r]+" hundredth":i}const x={and:!0},R={enNZ:function(e){const t=function(e){const t=typeof e;if("bigint"==typeof e){if(e<=0n)throw new RangeError("Ordinals must be positive integers");return e}if("number"==typeof e){if(!Number.isFinite(e))throw new RangeError("Ordinals must be finite numbers");if(!Number.isInteger(e))throw new RangeError("Ordinals must be whole numbers");if(e<=0)throw new RangeError("Ordinals must be positive integers");return BigInt(e)}if("string"==typeof e)return function(e){const t=e.trim();if(0===t.length)throw new RangeError("Ordinals cannot be empty strings");if("-"===t[0])throw new RangeError("Ordinals cannot be negative");if(t.includes("."))throw new RangeError("Ordinals must be whole numbers");if(r(t)){const e=n(t);if(e.includes("."))throw new RangeError("Ordinals must be whole numbers");const r=BigInt(e);if(r<=0n)throw new RangeError("Ordinals must be positive integers");return r}try{const e=BigInt(t);if(e<=0n)throw new RangeError("Ordinals must be positive integers");return e}catch(n){if(n instanceof RangeError)throw n;throw new RangeError(`Invalid ordinal format: "${e}"`,{cause:n})}}(e);throw new TypeError(`Invalid value type: expected number, string, or bigint, received ${t}`)}(e);return s(t,g),function(e){if(e<1000n)return O(Number(e));if(e<1000000n){const n=Number(e/1000n),t=Number(e%1000n);if(0===t)return I(n).word+" "+a[0]+"th";const{word:r}=I(n);return r+" "+a[0]+" "+O(t)}return function(e){const n=[];let t=e;for(;t>0n;)n.push(Number(t%1000n)),t/=1000n;let r=0;for(let e=0;e<n.length;e++)if(0!==n[e]){r=e;break}let i="";for(let e=n.length-1;e>=0;e--){const t=n[e];0!==t&&(i&&(i+=" "),e===r?i+=0===e?O(t):I(t).word+" "+a[e-1]+"th":(i+=I(t).word,e>0&&(i+=" "+a[e-1])))}return i}(e)}(t)}};e.currency={enNZ:function(e,n){const{isNegative:r,dollars:i,cents:u}=function(e){const n=typeof e;if("bigint"==typeof e)return e<0n?{isNegative:!0,dollars:-e,cents:0n}:{isNegative:!1,dollars:e,cents:0n};if("number"==typeof e){if(!Number.isFinite(e))throw new RangeError("Currency must be a finite number");return Number.isSafeInteger(e)?e<0?{isNegative:!0,dollars:BigInt(-e),cents:0n}:{isNegative:!1,dollars:BigInt(e),cents:0n}:o(t(e))}if("string"==typeof e)return o(e);throw new TypeError(`Invalid value type: expected number, string, or bigint, received ${n}`)}(e);s(i,h);const{and:l}=function(e,n){const t={...n};if(void 0===e)return t;if(!function(e){if(null===e||"object"!=typeof e)return!1;const n=Object.getPrototypeOf(e);return null===n||n===Object.prototype}(e))throw new TypeError("Invalid options: expected plain object or undefined, got "+typeof e);const r=Object.keys(n);for(const[i,o]of Object.entries(e)){if(!Object.hasOwn(n,i))throw new TypeError(`Unknown option "${i}" — expected one of: ${r.join(", ")}`);if(void 0!==o){if(typeof o!=typeof t[i])throw new TypeError(`Option "${i}" must be a ${typeof t[i]}, got ${typeof o}`);t[i]=o}}return t}(n,x);let f="";return r&&(f=p+" "),(i>0n||0n===u)&&(f+=E(i),f+=" "+(1n===i?"dollar":"dollars")),u>0n&&(i>0n&&(f+=l?" and ":" "),f+=E(u),f+=" "+(1n===u?"cent":"cents")),f}},e.enNZ=function(e){const{isNegative:o,integerPart:u,decimalPart:l}=function(e){const o=typeof e;if("bigint"==typeof e)return e<0n?{isNegative:!0,integerPart:-e}:{isNegative:!1,integerPart:e};if("number"==typeof e){if(!Number.isFinite(e))throw new RangeError("Number must be finite (NaN and Infinity are not supported)");return Number.isSafeInteger(e)?e<0?{isNegative:!0,integerPart:BigInt(-e)}:{isNegative:!1,integerPart:BigInt(e)}:i(t(e))}if("string"==typeof e)return i(function(e){const t=e.trim();if(0===t.length||Number.isNaN(Number(t)))throw new RangeError(`Invalid number format: "${e}"`);return r(t)?n(t):t}(e));throw new TypeError(`Invalid value type: expected number, string, or bigint, received ${o}`)}(e);s(u,d,l);let f="";return o&&(f=p+" "),f+=E(u),l&&(f+=" point "+function(e){let n="",t=0;for(;t<e.length&&"0"===e[t];)n&&(n+=" "),n+=b,t++;const r=e.slice(t);return r&&(n&&(n+=" "),n+=E(BigInt(r))),n}(l)),f},e.ordinal=R},"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n((e="undefined"!=typeof globalThis?globalThis:e||self).n2words=e.n2words||{});