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2 lines
2.4 KiB
JavaScript
Vendored
2 lines
2.4 KiB
JavaScript
Vendored
const M="-",B=/^xn--/,S=/[^\0-\x7F]/,T=/[\x2E\u3002\uFF0E\uFF61]/g,D={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},C=36-1,u=Math.floor,g=String.fromCharCode;function d(t){throw new RangeError(D[t])}function E(t,n){const o=[];let e=t.length;for(;e--;)o[e]=n(t[e]);return o}function m(t,n){const o=t.split("@");let e="";o.length>1&&(e=o[0]+"@",t=o[1]),t=t.replace(T,".");const s=t.split("."),c=E(s,n).join(".");return e+c}function v(t){const n=[];let o=0;const e=t.length;for(;o<e;){const s=t.charCodeAt(o++);if(s>=55296&&s<=56319&&o<e){const c=t.charCodeAt(o++);(c&64512)==56320?n.push(((s&1023)<<10)+(c&1023)+65536):(n.push(s),o--)}else n.push(s)}return n}const L=t=>String.fromCodePoint(...t),N=function(t){return t>=48&&t<58?26+(t-48):t>=65&&t<91?t-65:t>=97&&t<123?t-97:36},I=function(t,n){return t+22+75*(t<26)-((n!=0)<<5)},F=function(t,n,o){let e=0;for(t=o?u(t/700):t>>1,t+=u(t/n);t>C*26>>1;e+=36)t=u(t/C);return u(e+(C+1)*t/(t+38))},A=function(t){const n=[],o=t.length;let e=0,s=128,c=72,l=t.lastIndexOf(M);l<0&&(l=0);for(let i=0;i<l;++i)t.charCodeAt(i)>=128&&d("not-basic"),n.push(t.charCodeAt(i));for(let i=l>0?l+1:0;i<o;){const r=e;for(let a=1,f=36;;f+=36){i>=o&&d("invalid-input");const x=N(t.charCodeAt(i++));x>=36&&d("invalid-input"),x>u((2147483647-e)/a)&&d("overflow"),e+=x*a;const p=f<=c?1:f>=c+26?26:f-c;if(x<p)break;const b=36-p;a>u(2147483647/b)&&d("overflow"),a*=b}const h=n.length+1;c=F(e-r,h,r==0),u(e/h)>2147483647-s&&d("overflow"),s+=u(e/h),e%=h,n.splice(e++,0,s)}return String.fromCodePoint(...n)},k=function(t){const n=[];t=v(t);const o=t.length;let e=128,s=0,c=72;for(const r of t)r<128&&n.push(g(r));const l=n.length;let i=l;for(l&&n.push(M);i<o;){let r=2147483647;for(const a of t)a>=e&&a<r&&(r=a);const h=i+1;r-e>u((2147483647-s)/h)&&d("overflow"),s+=(r-e)*h,e=r;for(const a of t)if(a<e&&++s>2147483647&&d("overflow"),a===e){let f=s;for(let x=36;;x+=36){const p=x<=c?1:x>=c+26?26:x-c;if(f<p)break;const b=f-p,w=36-p;n.push(g(I(p+b%w,0))),f=u(b/w)}n.push(g(I(f,0))),c=F(s,h,i===l),s=0,++i}++s,++e}return n.join("")},j=function(t){return m(t,function(n){return B.test(n)?A(n.slice(4).toLowerCase()):n})},O=function(t){return m(t,function(n){return S.test(n)?"xn--"+k(n):n})},V={version:"2.3.1",ucs2:{decode:v,encode:L},decode:A,encode:k,toASCII:O,toUnicode:j};export{V as p};
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