hexo/node_modules/leac/lib/leac.cjs

"use strict";Object.defineProperty(exports,"__esModule",{value:!0});const e=/\n/g;function t(t){const o=[...t.matchAll(e)].map((e=>e.index||0));o.unshift(-1);const s=n(o,0,o.length);return e=>r(s,e)}function n(e,t,r){if(r-t==1)return{offset:e[t],index:t+1};const o=Math.ceil((t+r)/2),s=n(e,t,o),l=n(e,o,r);return{offset:s.offset,low:s,high:l}}function r(e,t){return function(e){return Object.prototype.hasOwnProperty.call(e,"index")}(e)?{line:e.index,column:t-e.offset}:r(e.high.offset<t?e.high:e.low,t)}function o(e,t){return{...e,regex:s(e,t)}}function s(e,t){if(0===e.name.length)throw new Error(`Rule #${t} has empty name, which is not allowed.`);if(function(e){return Object.prototype.hasOwnProperty.call(e,"regex")}(e))return function(e){if(e.global)throw new Error(`Regular expression /${e.source}/${e.flags} contains the global flag, which is not allowed.`);return e.sticky?e:new RegExp(e.source,e.flags+"y")}(e.regex);if(function(e){return Object.prototype.hasOwnProperty.call(e,"str")}(e)){if(0===e.str.length)throw new Error(`Rule #${t} ("${e.name}") has empty "str" property, which is not allowed.`);return new RegExp(l(e.str),"y")}return new RegExp(l(e.name),"y")}function l(e){return e.replace(/[-[\]{}()*+!<=:?./\\^$|#\s,]/g,"\\$&")}exports.createLexer=function(e,n="",r={}){const s="string"!=typeof n?n:r,l="string"==typeof n?n:"",c=e.map(o),i=!!s.lineNumbers;return function(e,n=0){const r=i?t(e):()=>({line:0,column:0});let o=n;const s=[];e:for(;o<e.length;){let t=!1;for(const n of c){n.regex.lastIndex=o;const c=n.regex.exec(e);if(c&&c[0].length>0){if(!n.discard){const e=r(o),t="string"==typeof n.replace?c[0].replace(new RegExp(n.regex.source,n.regex.flags),n.replace):c[0];s.push({state:l,name:n.name,text:t,offset:o,len:c[0].length,line:e.line,column:e.column})}if(o=n.regex.lastIndex,t=!0,n.push){const t=n.push(e,o);s.push(...t.tokens),o=t.offset}if(n.pop)break e;break}}if(!t)break}return{tokens:s,offset:o,complete:e.length<=o}}};