diff options
Diffstat (limited to 'node_modules/browserslist/parse.js')
| -rw-r--r-- | node_modules/browserslist/parse.js | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/node_modules/browserslist/parse.js b/node_modules/browserslist/parse.js deleted file mode 100644 index 56b534ab..00000000 --- a/node_modules/browserslist/parse.js +++ /dev/null @@ -1,78 +0,0 @@ -var AND_REGEXP = /^\s+and\s+(.*)/i -var OR_REGEXP = /^(?:,\s*|\s+or\s+)(.*)/i - -function flatten(array) { - if (!Array.isArray(array)) return [array] - return array.reduce(function (a, b) { - return a.concat(flatten(b)) - }, []) -} - -function find(string, predicate) { - for (var n = 1, max = string.length; n <= max; n++) { - var parsed = string.substr(-n, n) - if (predicate(parsed, n, max)) { - return string.slice(0, -n) - } - } - return '' -} - -function matchQuery(all, query) { - var node = { query: query } - if (query.indexOf('not ') === 0) { - node.not = true - query = query.slice(4) - } - - for (var name in all) { - var type = all[name] - var match = query.match(type.regexp) - if (match) { - node.type = name - for (var i = 0; i < type.matches.length; i++) { - node[type.matches[i]] = match[i + 1] - } - return node - } - } - - node.type = 'unknown' - return node -} - -function matchBlock(all, string, qs) { - var node - return find(string, function (parsed, n, max) { - if (AND_REGEXP.test(parsed)) { - node = matchQuery(all, parsed.match(AND_REGEXP)[1]) - node.compose = 'and' - qs.unshift(node) - return true - } else if (OR_REGEXP.test(parsed)) { - node = matchQuery(all, parsed.match(OR_REGEXP)[1]) - node.compose = 'or' - qs.unshift(node) - return true - } else if (n === max) { - node = matchQuery(all, parsed.trim()) - node.compose = 'or' - qs.unshift(node) - return true - } - return false - }) -} - -module.exports = function parse(all, queries) { - if (!Array.isArray(queries)) queries = [queries] - return flatten( - queries.map(function (block) { - var qs = [] - do { - block = matchBlock(all, block, qs) - } while (block) - return qs - }) - ) -} |
