Freshen generated index.js file.

dist/index.js

@@ -2778,8 +2778,8 @@ const braces = (input, options = {}) => {
   let output = [];
 
   if (Array.isArray(input)) {
-    for (let pattern of input) {
+    for (const pattern of input) {
-      let result = braces.create(pattern, options);
+      const result = braces.create(pattern, options);
       if (Array.isArray(result)) {
         output.push(...result);
       } else {
@@ -2913,7 +2913,7 @@ braces.create = (input, options = {}) => {
     return [input];
   }
 
- return options.expand !== true
+  return options.expand !== true
     ? braces.compile(input, options)
     : braces.expand(input, options);
 };
@@ -2937,30 +2937,32 @@ const fill = __nccwpck_require__(6330);
 const utils = __nccwpck_require__(5207);
 
 const compile = (ast, options = {}) => {
-  let walk = (node, parent = {}) => {
+  const walk = (node, parent = {}) => {
-    let invalidBlock = utils.isInvalidBrace(parent);
+    const invalidBlock = utils.isInvalidBrace(parent);
-    let invalidNode = node.invalid === true && options.escapeInvalid === true;
+    const invalidNode = node.invalid === true && options.escapeInvalid === true;
-    let invalid = invalidBlock === true || invalidNode === true;
+    const invalid = invalidBlock === true || invalidNode === true;
-    let prefix = options.escapeInvalid === true ? '\\' : '';
+    const prefix = options.escapeInvalid === true ? '\\' : '';
     let output = '';
 
     if (node.isOpen === true) {
       return prefix + node.value;
     }
+
     if (node.isClose === true) {
+      console.log('node.isClose', prefix, node.value);
       return prefix + node.value;
     }
 
     if (node.type === 'open') {
-      return invalid ? (prefix + node.value) : '(';
+      return invalid ? prefix + node.value : '(';
     }
 
     if (node.type === 'close') {
-      return invalid ? (prefix + node.value) : ')';
+      return invalid ? prefix + node.value : ')';
     }
 
     if (node.type === 'comma') {
-      return node.prev.type === 'comma' ? '' : (invalid ? node.value : '|');
+      return node.prev.type === 'comma' ? '' : invalid ? node.value : '|';
     }
 
     if (node.value) {
@@ -2968,8 +2970,8 @@ const compile = (ast, options = {}) => {
     }
 
     if (node.nodes && node.ranges > 0) {
-      let args = utils.reduce(node.nodes);
+      const args = utils.reduce(node.nodes);
-      let range = fill(...args, { ...options, wrap: false, toRegex: true });
+      const range = fill(...args, { ...options, wrap: false, toRegex: true, strictZeros: true });
 
       if (range.length !== 0) {
         return args.length > 1 && range.length > 1 ? `(${range})` : range;
@@ -2977,10 +2979,11 @@ const compile = (ast, options = {}) => {
     }
 
     if (node.nodes) {
-      for (let child of node.nodes) {
+      for (const child of node.nodes) {
         output += walk(child, node);
       }
     }
+
     return output;
   };
 
@@ -2999,7 +3002,7 @@ module.exports = compile;
 
 
 module.exports = {
-  MAX_LENGTH: 1024 * 64,
+  MAX_LENGTH: 10000,
 
   // Digits
   CHAR_0: '0', /* 0 */
@@ -3068,7 +3071,7 @@ const stringify = __nccwpck_require__(8750);
 const utils = __nccwpck_require__(5207);
 
 const append = (queue = '', stash = '', enclose = false) => {
-  let result = [];
+  const result = [];
 
   queue = [].concat(queue);
   stash = [].concat(stash);
@@ -3078,15 +3081,15 @@ const append = (queue = '', stash = '', enclose = false) => {
     return enclose ? utils.flatten(stash).map(ele => `{${ele}}`) : stash;
   }
 
-  for (let item of queue) {
+  for (const item of queue) {
     if (Array.isArray(item)) {
-      for (let value of item) {
+      for (const value of item) {
         result.push(append(value, stash, enclose));
       }
     } else {
       for (let ele of stash) {
         if (enclose === true && typeof ele === 'string') ele = `{${ele}}`;
-        result.push(Array.isArray(ele) ? append(item, ele, enclose) : (item + ele));
+        result.push(Array.isArray(ele) ? append(item, ele, enclose) : item + ele);
       }
     }
   }
@@ -3094,9 +3097,9 @@ const append = (queue = '', stash = '', enclose = false) => {
 };
 
 const expand = (ast, options = {}) => {
-  let rangeLimit = options.rangeLimit === void 0 ? 1000 : options.rangeLimit;
+  const rangeLimit = options.rangeLimit === undefined ? 1000 : options.rangeLimit;
 
-  let walk = (node, parent = {}) => {
+  const walk = (node, parent = {}) => {
     node.queue = [];
 
     let p = parent;
@@ -3118,7 +3121,7 @@ const expand = (ast, options = {}) => {
     }
 
     if (node.nodes && node.ranges > 0) {
-      let args = utils.reduce(node.nodes);
+      const args = utils.reduce(node.nodes);
 
       if (utils.exceedsLimit(...args, options.step, rangeLimit)) {
         throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.');
@@ -3134,7 +3137,7 @@ const expand = (ast, options = {}) => {
       return;
     }
 
-    let enclose = utils.encloseBrace(node);
+    const enclose = utils.encloseBrace(node);
     let queue = node.queue;
     let block = node;
 
@@ -3144,7 +3147,7 @@ const expand = (ast, options = {}) => {
     }
 
     for (let i = 0; i < node.nodes.length; i++) {
-      let child = node.nodes[i];
+      const child = node.nodes[i];
 
       if (child.type === 'comma' && node.type === 'brace') {
         if (i === 1) queue.push('');
@@ -3217,22 +3220,21 @@ const parse = (input, options = {}) => {
     throw new TypeError('Expected a string');
   }
 
-  let opts = options || {};
+  const opts = options || {};
-  let max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
+  const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
   if (input.length > max) {
     throw new SyntaxError(`Input length (${input.length}), exceeds max characters (${max})`);
   }
 
-  let ast = { type: 'root', input, nodes: [] };
+  const ast = { type: 'root', input, nodes: [] };
-  let stack = [ast];
+  const stack = [ast];
   let block = ast;
   let prev = ast;
   let brackets = 0;
-  let length = input.length;
+  const length = input.length;
   let index = 0;
   let depth = 0;
   let value;
-  let memo = {};
 
   /**
    * Helpers
@@ -3295,7 +3297,6 @@ const parse = (input, options = {}) => {
     if (value === CHAR_LEFT_SQUARE_BRACKET) {
       brackets++;
 
-      let closed = true;
       let next;
 
       while (index < length && (next = advance())) {
@@ -3351,7 +3352,7 @@ const parse = (input, options = {}) => {
      */
 
     if (value === CHAR_DOUBLE_QUOTE || value === CHAR_SINGLE_QUOTE || value === CHAR_BACKTICK) {
-      let open = value;
+      const open = value;
       let next;
 
       if (options.keepQuotes !== true) {
@@ -3383,8 +3384,8 @@ const parse = (input, options = {}) => {
     if (value === CHAR_LEFT_CURLY_BRACE) {
       depth++;
 
-      let dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true;
+      const dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true;
-      let brace = {
+      const brace = {
         type: 'brace',
         open: true,
         close: false,
@@ -3411,7 +3412,7 @@ const parse = (input, options = {}) => {
         continue;
       }
 
-      let type = 'close';
+      const type = 'close';
       block = stack.pop();
       block.close = true;
 
@@ -3429,7 +3430,7 @@ const parse = (input, options = {}) => {
     if (value === CHAR_COMMA && depth > 0) {
       if (block.ranges > 0) {
         block.ranges = 0;
-        let open = block.nodes.shift();
+        const open = block.nodes.shift();
         block.nodes = [open, { type: 'text', value: stringify(block) }];
       }
 
@@ -3443,7 +3444,7 @@ const parse = (input, options = {}) => {
      */
 
     if (value === CHAR_DOT && depth > 0 && block.commas === 0) {
-      let siblings = block.nodes;
+      const siblings = block.nodes;
 
       if (depth === 0 || siblings.length === 0) {
         push({ type: 'text', value });
@@ -3470,7 +3471,7 @@ const parse = (input, options = {}) => {
       if (prev.type === 'range') {
         siblings.pop();
 
-        let before = siblings[siblings.length - 1];
+        const before = siblings[siblings.length - 1];
         before.value += prev.value + value;
         prev = before;
         block.ranges--;
@@ -3503,8 +3504,8 @@ const parse = (input, options = {}) => {
       });
 
       // get the location of the block on parent.nodes (block's siblings)
-      let parent = stack[stack.length - 1];
+      const parent = stack[stack.length - 1];
-      let index = parent.nodes.indexOf(block);
+      const index = parent.nodes.indexOf(block);
       // replace the (invalid) block with it's nodes
       parent.nodes.splice(index, 1, ...block.nodes);
     }
@@ -3528,9 +3529,9 @@ module.exports = parse;
 const utils = __nccwpck_require__(5207);
 
 module.exports = (ast, options = {}) => {
-  let stringify = (node, parent = {}) => {
+  const stringify = (node, parent = {}) => {
-    let invalidBlock = options.escapeInvalid && utils.isInvalidBrace(parent);
+    const invalidBlock = options.escapeInvalid && utils.isInvalidBrace(parent);
-    let invalidNode = node.invalid === true && options.escapeInvalid === true;
+    const invalidNode = node.invalid === true && options.escapeInvalid === true;
     let output = '';
 
     if (node.value) {
@@ -3545,7 +3546,7 @@ module.exports = (ast, options = {}) => {
     }
 
     if (node.nodes) {
-      for (let child of node.nodes) {
+      for (const child of node.nodes) {
         output += stringify(child);
       }
     }
@@ -3596,7 +3597,7 @@ exports.exceedsLimit = (min, max, step = 1, limit) => {
  */
 
 exports.escapeNode = (block, n = 0, type) => {
-  let node = block.nodes[n];
+  const node = block.nodes[n];
   if (!node) return;
 
   if ((type && node.type === type) || node.type === 'open' || node.type === 'close') {
@@ -3665,13 +3666,23 @@ exports.reduce = nodes => nodes.reduce((acc, node) => {
 
 exports.flatten = (...args) => {
   const result = [];
+
   const flat = arr => {
     for (let i = 0; i < arr.length; i++) {
-      let ele = arr[i];
+      const ele = arr[i];
-      Array.isArray(ele) ? flat(ele, result) : ele !== void 0 && result.push(ele);
+
+      if (Array.isArray(ele)) {
+        flat(ele);
+        continue;
+      }
+
+      if (ele !== undefined) {
+        result.push(ele);
+      }
     }
     return result;
   };
+
   flat(args);
   return result;
 };
@@ -6497,7 +6508,7 @@ const toMaxLen = (input, maxLength) => {
   return negative ? ('-' + input) : input;
 };
 
-const toSequence = (parts, options) => {
+const toSequence = (parts, options, maxLen) => {
   parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
   parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
 
@@ -6507,11 +6518,11 @@ const toSequence = (parts, options) => {
   let result;
 
   if (parts.positives.length) {
-    positives = parts.positives.join('|');
+    positives = parts.positives.map(v => toMaxLen(String(v), maxLen)).join('|');
   }
 
   if (parts.negatives.length) {
-    negatives = `-(${prefix}${parts.negatives.join('|')})`;
+    negatives = `-(${prefix}${parts.negatives.map(v => toMaxLen(String(v), maxLen)).join('|')})`;
   }
 
   if (positives && negatives) {
@@ -6609,7 +6620,7 @@ const fillNumbers = (start, end, step = 1, options = {}) => {
 
   if (options.toRegex === true) {
     return step > 1
-      ? toSequence(parts, options)
+      ? toSequence(parts, options, maxLen)
       : toRegex(range, null, { wrap: false, ...options });
   }
 
@@ -6621,7 +6632,6 @@ const fillLetters = (start, end, step = 1, options = {}) => {
     return invalidRange(start, end, options);
   }
 
-
   let format = options.transform || (val => String.fromCharCode(val));
   let a = `${start}`.charCodeAt(0);
   let b = `${end}`.charCodeAt(0);