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export declare function expand(str: string): string[];
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//# sourceMappingURL=index.d.ts.map
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{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAwEA,wBAAgB,MAAM,CAAC,GAAG,EAAE,MAAM,YAgBjC"}
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.expand = expand;
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const balanced_match_1 = require("@isaacs/balanced-match");
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const escSlash = '\0SLASH' + Math.random() + '\0';
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const escOpen = '\0OPEN' + Math.random() + '\0';
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const escClose = '\0CLOSE' + Math.random() + '\0';
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const escComma = '\0COMMA' + Math.random() + '\0';
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const escPeriod = '\0PERIOD' + Math.random() + '\0';
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const escSlashPattern = new RegExp(escSlash, 'g');
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const escOpenPattern = new RegExp(escOpen, 'g');
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const escClosePattern = new RegExp(escClose, 'g');
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const escCommaPattern = new RegExp(escComma, 'g');
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const escPeriodPattern = new RegExp(escPeriod, 'g');
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const slashPattern = /\\\\/g;
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const openPattern = /\\{/g;
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const closePattern = /\\}/g;
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const commaPattern = /\\,/g;
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const periodPattern = /\\./g;
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function numeric(str) {
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return !isNaN(str) ? parseInt(str, 10) : str.charCodeAt(0);
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}
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function escapeBraces(str) {
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return str
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.replace(slashPattern, escSlash)
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.replace(openPattern, escOpen)
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.replace(closePattern, escClose)
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.replace(commaPattern, escComma)
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.replace(periodPattern, escPeriod);
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}
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function unescapeBraces(str) {
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return str
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.replace(escSlashPattern, '\\')
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.replace(escOpenPattern, '{')
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.replace(escClosePattern, '}')
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.replace(escCommaPattern, ',')
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.replace(escPeriodPattern, '.');
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}
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/**
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* Basically just str.split(","), but handling cases
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* where we have nested braced sections, which should be
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* treated as individual members, like {a,{b,c},d}
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*/
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function parseCommaParts(str) {
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if (!str) {
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return [''];
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}
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const parts = [];
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const m = (0, balanced_match_1.balanced)('{', '}', str);
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if (!m) {
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return str.split(',');
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}
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const { pre, body, post } = m;
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const p = pre.split(',');
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p[p.length - 1] += '{' + body + '}';
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const postParts = parseCommaParts(post);
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if (post.length) {
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;
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p[p.length - 1] += postParts.shift();
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p.push.apply(p, postParts);
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}
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parts.push.apply(parts, p);
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return parts;
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}
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function expand(str) {
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if (!str) {
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return [];
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}
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// I don't know why Bash 4.3 does this, but it does.
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// Anything starting with {} will have the first two bytes preserved
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// but *only* at the top level, so {},a}b will not expand to anything,
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// but a{},b}c will be expanded to [a}c,abc].
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// One could argue that this is a bug in Bash, but since the goal of
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// this module is to match Bash's rules, we escape a leading {}
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if (str.slice(0, 2) === '{}') {
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str = '\\{\\}' + str.slice(2);
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}
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return expand_(escapeBraces(str), true).map(unescapeBraces);
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}
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function embrace(str) {
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return '{' + str + '}';
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}
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function isPadded(el) {
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return /^-?0\d/.test(el);
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}
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function lte(i, y) {
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return i <= y;
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}
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function gte(i, y) {
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return i >= y;
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}
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function expand_(str, isTop) {
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/** @type {string[]} */
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const expansions = [];
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const m = (0, balanced_match_1.balanced)('{', '}', str);
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if (!m)
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return [str];
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// no need to expand pre, since it is guaranteed to be free of brace-sets
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const pre = m.pre;
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const post = m.post.length ? expand_(m.post, false) : [''];
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if (/\$$/.test(m.pre)) {
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for (let k = 0; k < post.length; k++) {
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const expansion = pre + '{' + m.body + '}' + post[k];
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expansions.push(expansion);
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}
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}
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else {
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const isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
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const isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
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const isSequence = isNumericSequence || isAlphaSequence;
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const isOptions = m.body.indexOf(',') >= 0;
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if (!isSequence && !isOptions) {
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// {a},b}
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if (m.post.match(/,(?!,).*\}/)) {
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str = m.pre + '{' + m.body + escClose + m.post;
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return expand_(str);
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}
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return [str];
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}
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let n;
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if (isSequence) {
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n = m.body.split(/\.\./);
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}
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else {
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n = parseCommaParts(m.body);
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if (n.length === 1 && n[0] !== undefined) {
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// x{{a,b}}y ==> x{a}y x{b}y
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n = expand_(n[0], false).map(embrace);
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//XXX is this necessary? Can't seem to hit it in tests.
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/* c8 ignore start */
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if (n.length === 1) {
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return post.map(p => m.pre + n[0] + p);
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}
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/* c8 ignore stop */
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}
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}
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// at this point, n is the parts, and we know it's not a comma set
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// with a single entry.
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let N;
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if (isSequence && n[0] !== undefined && n[1] !== undefined) {
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const x = numeric(n[0]);
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const y = numeric(n[1]);
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const width = Math.max(n[0].length, n[1].length);
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let incr = n.length === 3 && n[2] !== undefined ? Math.abs(numeric(n[2])) : 1;
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let test = lte;
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const reverse = y < x;
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if (reverse) {
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incr *= -1;
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test = gte;
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}
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const pad = n.some(isPadded);
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N = [];
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for (let i = x; test(i, y); i += incr) {
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let c;
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if (isAlphaSequence) {
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c = String.fromCharCode(i);
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if (c === '\\') {
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c = '';
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}
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}
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else {
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c = String(i);
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if (pad) {
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const need = width - c.length;
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if (need > 0) {
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const z = new Array(need + 1).join('0');
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if (i < 0) {
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c = '-' + z + c.slice(1);
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}
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else {
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c = z + c;
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}
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}
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}
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}
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N.push(c);
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}
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}
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else {
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N = [];
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for (let j = 0; j < n.length; j++) {
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N.push.apply(N, expand_(n[j], false));
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}
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}
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for (let j = 0; j < N.length; j++) {
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for (let k = 0; k < post.length; k++) {
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const expansion = pre + N[j] + post[k];
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if (!isTop || isSequence || expansion) {
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expansions.push(expansion);
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}
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}
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}
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}
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return expansions;
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}
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//# sourceMappingURL=index.js.map
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+1
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{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":";;AAwEA,wBAgBC;AAxFD,2DAAiD;AAEjD,MAAM,QAAQ,GAAG,SAAS,GAAG,IAAI,CAAC,MAAM,EAAE,GAAG,IAAI,CAAA;AACjD,MAAM,OAAO,GAAG,QAAQ,GAAG,IAAI,CAAC,MAAM,EAAE,GAAG,IAAI,CAAA;AAC/C,MAAM,QAAQ,GAAG,SAAS,GAAG,IAAI,CAAC,MAAM,EAAE,GAAG,IAAI,CAAA;AACjD,MAAM,QAAQ,GAAG,SAAS,GAAG,IAAI,CAAC,MAAM,EAAE,GAAG,IAAI,CAAA;AACjD,MAAM,SAAS,GAAG,UAAU,GAAG,IAAI,CAAC,MAAM,EAAE,GAAG,IAAI,CAAA;AACnD,MAAM,eAAe,GAAG,IAAI,MAAM,CAAC,QAAQ,EAAE,GAAG,CAAC,CAAA;AACjD,MAAM,cAAc,GAAG,IAAI,MAAM,CAAC,OAAO,EAAE,GAAG,CAAC,CAAA;AAC/C,MAAM,eAAe,GAAG,IAAI,MAAM,CAAC,QAAQ,EAAE,GAAG,CAAC,CAAA;AACjD,MAAM,eAAe,GAAG,IAAI,MAAM,CAAC,QAAQ,EAAE,GAAG,CAAC,CAAA;AACjD,MAAM,gBAAgB,GAAG,IAAI,MAAM,CAAC,SAAS,EAAE,GAAG,CAAC,CAAA;AACnD,MAAM,YAAY,GAAG,OAAO,CAAA;AAC5B,MAAM,WAAW,GAAG,MAAM,CAAA;AAC1B,MAAM,YAAY,GAAG,MAAM,CAAA;AAC3B,MAAM,YAAY,GAAG,MAAM,CAAA;AAC3B,MAAM,aAAa,GAAG,MAAM,CAAA;AAE5B,SAAS,OAAO,CAAC,GAAW;IAC1B,OAAO,CAAC,KAAK,CAAC,GAAU,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,GAAG,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,CAAA;AACnE,CAAC;AAED,SAAS,YAAY,CAAC,GAAW;IAC/B,OAAO,GAAG;SACP,OAAO,CAAC,YAAY,EAAE,QAAQ,CAAC;SAC/B,OAAO,CAAC,WAAW,EAAE,OAAO,CAAC;SAC7B,OAAO,CAAC,YAAY,EAAE,QAAQ,CAAC;SAC/B,OAAO,CAAC,YAAY,EAAE,QAAQ,CAAC;SAC/B,OAAO,CAAC,aAAa,EAAE,SAAS,CAAC,CAAA;AACtC,CAAC;AAED,SAAS,cAAc,CAAC,GAAW;IACjC,OAAO,GAAG;SACP,OAAO,CAAC,eAAe,EAAE,IAAI,CAAC;SAC9B,OAAO,CAAC,cAAc,EAAE,GAAG,CAAC;SAC5B,OAAO,CAAC,eAAe,EAAE,GAAG,CAAC;SAC7B,OAAO,CAAC,eAAe,EAAE,GAAG,CAAC;SAC7B,OAAO,CAAC,gBAAgB,EAAE,GAAG,CAAC,CAAA;AACnC,CAAC;AAED;;;;GAIG;AACH,SAAS,eAAe,CAAC,GAAW;IAClC,IAAI,CAAC,GAAG,EAAE,CAAC;QACT,OAAO,CAAC,EAAE,CAAC,CAAA;IACb,CAAC;IAED,MAAM,KAAK,GAAa,EAAE,CAAA;IAC1B,MAAM,CAAC,GAAG,IAAA,yBAAQ,EAAC,GAAG,EAAE,GAAG,EAAE,GAAG,CAAC,CAAA;IAEjC,IAAI,CAAC,CAAC,EAAE,CAAC;QACP,OAAO,GAAG,CAAC,KAAK,CAAC,GAAG,CAAC,CAAA;IACvB,CAAC;IAED,MAAM,EAAE,GAAG,EAAE,IAAI,EAAE,IAAI,EAAE,GAAG,CAAC,CAAA;IAC7B,MAAM,CAAC,GAAG,GAAG,CAAC,KAAK,CAAC,GAAG,CAAC,CAAA;IAExB,CAAC,CAAC,CAAC,CAAC,MAAM,GAAG,CAAC,CAAC,IAAI,GAAG,GAAG,IAAI,GAAG,GAAG,CAAA;IACnC,MAAM,SAAS,GAAG,eAAe,CAAC,IAAI,CAAC,CAAA;IACvC,IAAI,IAAI,CAAC,MAAM,EAAE,CAAC;QAChB,CAAC;QAAC,CAAC,CAAC,CAAC,CAAC,MAAM,GAAG,CAAC,CAAY,IAAI,SAAS,CAAC,KAAK,EAAE,CAAA;QACjD,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,EAAE,SAAS,CAAC,CAAA;IAC5B,CAAC;IAED,KAAK,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE,CAAC,CAAC,CAAA;IAE1B,OAAO,KAAK,CAAA;AACd,CAAC;AAED,SAAgB,MAAM,CAAC,GAAW;IAChC,IAAI,CAAC,GAAG,EAAE,CAAC;QACT,OAAO,EAAE,CAAA;IACX,CAAC;IAED,oDAAoD;IACpD,oEAAoE;IACpE,sEAAsE;IACtE,6CAA6C;IAC7C,oEAAoE;IACpE,+DAA+D;IAC/D,IAAI,GAAG,CAAC,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,KAAK,IAAI,EAAE,CAAC;QAC7B,GAAG,GAAG,QAAQ,GAAG,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,CAAA;IAC/B,CAAC;IAED,OAAO,OAAO,CAAC,YAAY,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,CAAC,GAAG,CAAC,cAAc,CAAC,CAAA;AAC7D,CAAC;AAED,SAAS,OAAO,CAAC,GAAW;IAC1B,OAAO,GAAG,GAAG,GAAG,GAAG,GAAG,CAAA;AACxB,CAAC;AAED,SAAS,QAAQ,CAAC,EAAU;IAC1B,OAAO,QAAQ,CAAC,IAAI,CAAC,EAAE,CAAC,CAAA;AAC1B,CAAC;AAED,SAAS,GAAG,CAAC,CAAS,EAAE,CAAS;IAC/B,OAAO,CAAC,IAAI,CAAC,CAAA;AACf,CAAC;AAED,SAAS,GAAG,CAAC,CAAS,EAAE,CAAS;IAC/B,OAAO,CAAC,IAAI,CAAC,CAAA;AACf,CAAC;AAED,SAAS,OAAO,CAAC,GAAW,EAAE,KAAe;IAC3C,uBAAuB;IACvB,MAAM,UAAU,GAAa,EAAE,CAAA;IAE/B,MAAM,CAAC,GAAG,IAAA,yBAAQ,EAAC,GAAG,EAAE,GAAG,EAAE,GAAG,CAAC,CAAA;IACjC,IAAI,CAAC,CAAC;QAAE,OAAO,CAAC,GAAG,CAAC,CAAA;IAEpB,yEAAyE;IACzE,MAAM,GAAG,GAAG,CAAC,CAAC,GAAG,CAAA;IACjB,MAAM,IAAI,GAAa,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAA;IAEpE,IAAI,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,EAAE,CAAC;QACtB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE,CAAC;YACrC,MAAM,SAAS,GAAG,GAAG,GAAG,GAAG,GAAG,CAAC,CAAC,IAAI,GAAG,GAAG,GAAG,IAAI,CAAC,CAAC,CAAC,CAAA;YACpD,UAAU,CAAC,IAAI,CAAC,SAAS,CAAC,CAAA;QAC5B,CAAC;IACH,CAAC;SAAM,CAAC;QACN,MAAM,iBAAiB,GAAG,gCAAgC,CAAC,IAAI,CAAC,CAAC,CAAC,IAAI,CAAC,CAAA;QACvE,MAAM,eAAe,GAAG,sCAAsC,CAAC,IAAI,CAAC,CAAC,CAAC,IAAI,CAAC,CAAA;QAC3E,MAAM,UAAU,GAAG,iBAAiB,IAAI,eAAe,CAAA;QACvD,MAAM,SAAS,GAAG,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,IAAI,CAAC,CAAA;QAC1C,IAAI,CAAC,UAAU,IAAI,CAAC,SAAS,EAAE,CAAC;YAC9B,SAAS;YACT,IAAI,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,YAAY,CAAC,EAAE,CAAC;gBAC/B,GAAG,GAAG,CAAC,CAAC,GAAG,GAAG,GAAG,GAAG,CAAC,CAAC,IAAI,GAAG,QAAQ,GAAG,CAAC,CAAC,IAAI,CAAA;gBAC9C,OAAO,OAAO,CAAC,GAAG,CAAC,CAAA;YACrB,CAAC;YACD,OAAO,CAAC,GAAG,CAAC,CAAA;QACd,CAAC;QAED,IAAI,CAAW,CAAA;QACf,IAAI,UAAU,EAAE,CAAC;YACf,CAAC,GAAG,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC,CAAA;QAC1B,CAAC;aAAM,CAAC;YACN,CAAC,GAAG,eAAe,CAAC,CAAC,CAAC,IAAI,CAAC,CAAA;YAC3B,IAAI,CAAC,CAAC,MAAM,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,SAAS,EAAE,CAAC;gBACzC,4BAA4B;gBAC5B,CAAC,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,GAAG,CAAC,OAAO,CAAC,CAAA;gBACrC,uDAAuD;gBACvD,qBAAqB;gBACrB,IAAI,CAAC,CAAC,MAAM,KAAK,CAAC,EAAE,CAAC;oBACnB,OAAO,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAA;gBACxC,CAAC;gBACD,oBAAoB;YACtB,CAAC;QACH,CAAC;QAED,kEAAkE;QAClE,uBAAuB;QACvB,IALine truncated
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+3
@@ -0,0 +1,3 @@
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{
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"type": "commonjs"
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}
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Reference in new issue
Block a user