diff options
Diffstat (limited to 'node_modules/braces/lib/expand.js')
-rw-r--r-- | node_modules/braces/lib/expand.js | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/node_modules/braces/lib/expand.js b/node_modules/braces/lib/expand.js deleted file mode 100644 index 376c748..0000000 --- a/node_modules/braces/lib/expand.js +++ /dev/null @@ -1,113 +0,0 @@ -'use strict'; - -const fill = require('fill-range'); -const stringify = require('./stringify'); -const utils = require('./utils'); - -const append = (queue = '', stash = '', enclose = false) => { - let result = []; - - queue = [].concat(queue); - stash = [].concat(stash); - - if (!stash.length) return queue; - if (!queue.length) { - return enclose ? utils.flatten(stash).map(ele => `{${ele}}`) : stash; - } - - for (let item of queue) { - if (Array.isArray(item)) { - for (let value of item) { - result.push(append(value, stash, enclose)); - } - } else { - for (let ele of stash) { - if (enclose === true && typeof ele === 'string') ele = `{${ele}}`; - result.push(Array.isArray(ele) ? append(item, ele, enclose) : (item + ele)); - } - } - } - return utils.flatten(result); -}; - -const expand = (ast, options = {}) => { - let rangeLimit = options.rangeLimit === void 0 ? 1000 : options.rangeLimit; - - let walk = (node, parent = {}) => { - node.queue = []; - - let p = parent; - let q = parent.queue; - - while (p.type !== 'brace' && p.type !== 'root' && p.parent) { - p = p.parent; - q = p.queue; - } - - if (node.invalid || node.dollar) { - q.push(append(q.pop(), stringify(node, options))); - return; - } - - if (node.type === 'brace' && node.invalid !== true && node.nodes.length === 2) { - q.push(append(q.pop(), ['{}'])); - return; - } - - if (node.nodes && node.ranges > 0) { - let 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.'); - } - - let range = fill(...args, options); - if (range.length === 0) { - range = stringify(node, options); - } - - q.push(append(q.pop(), range)); - node.nodes = []; - return; - } - - let enclose = utils.encloseBrace(node); - let queue = node.queue; - let block = node; - - while (block.type !== 'brace' && block.type !== 'root' && block.parent) { - block = block.parent; - queue = block.queue; - } - - for (let i = 0; i < node.nodes.length; i++) { - let child = node.nodes[i]; - - if (child.type === 'comma' && node.type === 'brace') { - if (i === 1) queue.push(''); - queue.push(''); - continue; - } - - if (child.type === 'close') { - q.push(append(q.pop(), queue, enclose)); - continue; - } - - if (child.value && child.type !== 'open') { - queue.push(append(queue.pop(), child.value)); - continue; - } - - if (child.nodes) { - walk(child, node); - } - } - - return queue; - }; - - return utils.flatten(walk(ast)); -}; - -module.exports = expand; |