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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/ja-JP 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: "${e}"`);r(t)&&(t=n(t));const i="-"===t[0];i&&(t=t.slice(1));const o=t.indexOf(".");if(-1===o)return{isNegative:i,dollars:BigInt(t),cents:0n};const s=t.slice(0,o)||"0",u=(t.slice(o+1)+"00").slice(0,2);return{isNegative:i,dollars:BigInt(s),cents:BigInt(u)}}function s(e,n,t){if(null===n)return;if(e<n)return;const r=n.toString().length-1,i=n===10n**BigInt(r)?`10^${r} - 1`:""+(n-1n);throw new RangeError(`Number too large to convert: the largest supported value is ${i}`)}function u(e){return 10n**BigInt(4*(e+1))}const a=["","一","二","三","四","五","六","七","八","九"],c=["万","億","兆","京","垓","秭","穣","溝","澗","正","載","極","恒河沙","阿僧祇","那由他","不可思議","無量大数"],f=u(c.length),l=u(c.length),g=u(c.length),d="マイナス";function b(e){if(0===e)return"";const n=e%10,t=Math.trunc(e/10)%10,r=Math.trunc(e/100)%10,i=Math.trunc(e/1e3);let o="";return i>0&&(o+=1===i?"千":a[i]+"千"),r>0&&(o+=1===r?"百":a[r]+"百"),t>0&&(o+=1===t?"十":a[t]+"十"),n>0&&(o+=a[n]),o}function m(e){if(0n===e)return"零";if(e<10000n)return b(Number(e));if(e<100000000n){const n=Number(e/10000n),t=Number(e%10000n);let r;return r=1===n?"一"+c[0]:b(n)+c[0],t>0&&(r+=b(t)),r}return function(e){const n=[];let t=e;for(;t>0n;)n.push(Number(t%10000n)),t/=10000n;let r="";for(let e=n.length-1;e>=0;e--){const t=n[e];0!==t&&(r+=e>0?1===t?"一"+c[e-1]:b(t)+c[e-1]:b(t))}return r||"零"}(e)}const w={jaJP:function(e){const t=function(e){const t=typeof e;if("bigint"==typeof e){if(e<=0n)throw new RangeError("Ordinals must be positive integers");return e}if("number"==typeof e){if(!Number.isFinite(e))throw new RangeError("Ordinals must be finite numbers");if(!Number.isInteger(e))throw new RangeError("Ordinals must be whole numbers");if(e<=0)throw new RangeError("Ordinals must be positive integers");return BigInt(e)}if("string"==typeof e)return function(e){const t=e.trim();if(0===t.length)throw new RangeError("Ordinals cannot be empty strings");if("-"===t[0])throw new RangeError("Ordinals cannot be negative");if(t.includes("."))throw new RangeError("Ordinals must be whole numbers");if(r(t)){const e=n(t);if(e.includes("."))throw new RangeError("Ordinals must be whole numbers");const r=BigInt(e);if(r<=0n)throw new RangeError("Ordinals must be positive integers");return r}try{const e=BigInt(t);if(e<=0n)throw new RangeError("Ordinals must be positive integers");return e}catch(n){if(n instanceof RangeError)throw n;throw new RangeError(`Invalid ordinal format: "${e}"`,{cause:n})}}(e);throw new TypeError(`Invalid value type: expected number, string, or bigint, received ${t}`)}(e);return s(t,l),"第"+m(t)}};e.currency={jaJP:function(e){const{isNegative:n,dollars:r,cents:i}=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 ${n}`)}(e);s(r,g);let u="";return n&&(u=d),r>0n&&(u+=m(r)+"円"),i>0n&&(u+=m(i)+"銭"),0n===r&&0n===i&&(u+="零円"),u}},e.jaJP=function(e){const{isNegative:o,integerPart:u,decimalPart:c}=function(e){const o=typeof e;if("bigint"==typeof e)return e<0n?{isNegative:!0,integerPart:-e}:{isNegative:!1,integerPart:e};if("number"==typeof e){if(!Number.isFinite(e))throw new RangeError("Number must be finite (NaN and Infinity are not supported)");return Number.isSafeInteger(e)?e<0?{isNegative:!0,integerPart:BigInt(-e)}:{isNegative:!1,integerPart:BigInt(e)}:i(t(e))}if("string"==typeof e)return i(function(e){const t=e.trim();if(0===t.length||Number.isNaN(Number(t)))throw new RangeError(`Invalid number format: "${e}"`);return r(t)?n(t):t}(e));throw new TypeError(`Invalid value type: expected number, string, or bigint, received ${o}`)}(e);s(u,f);let l="";return o&&(l=d),l+=m(u),c&&(l+="点"+function(e){let n="";for(let t=0;t<e.length;t++){const r=parseInt(e[t],10);n+=0===r?"零":a[r]}return n}(c)),l},e.ordinal=w},"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||{});