import { assertArgument } from "../utils/index.js"; const subsChrs = " !#$%&'()*+,-./<=>?@[]^_`{|}~"; const Word = /^[a-z]*$/i; function unfold(words, sep) { let initial = 97; return words.reduce((accum, word) => { if (word === sep) { initial++; } else if (word.match(Word)) { accum.push(String.fromCharCode(initial) + word); } else { initial = 97; accum.push(word); } return accum; }, []); } /** * @_ignore */ export function decode(data, subs) { // Replace all the substitutions with their expanded form for (let i = subsChrs.length - 1; i >= 0; i--) { data = data.split(subsChrs[i]).join(subs.substring(2 * i, 2 * i + 2)); } // Get all tle clumps; each suffix, first-increment and second-increment const clumps = []; const leftover = data.replace(/(:|([0-9])|([A-Z][a-z]*))/g, (all, item, semi, word) => { if (semi) { for (let i = parseInt(semi); i >= 0; i--) { clumps.push(";"); } } else { clumps.push(item.toLowerCase()); } return ""; }); /* c8 ignore start */ if (leftover) { throw new Error(`leftovers: ${JSON.stringify(leftover)}`); } /* c8 ignore stop */ return unfold(unfold(clumps, ";"), ":"); } /** * @_ignore */ export function decodeOwl(data) { assertArgument(data[0] === "0", "unsupported auwl data", "data", data); return decode(data.substring(1 + 2 * subsChrs.length), data.substring(1, 1 + 2 * subsChrs.length)); } //# sourceMappingURL=decode-owl.js.map