From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/braces/lib/compilers.js | 282 +++++++++++++++++++++++++++++++++++ 1 file changed, 282 insertions(+) create mode 100644 node_modules/braces/lib/compilers.js (limited to 'node_modules/braces/lib/compilers.js') diff --git a/node_modules/braces/lib/compilers.js b/node_modules/braces/lib/compilers.js new file mode 100644 index 0000000..a3b820e --- /dev/null +++ b/node_modules/braces/lib/compilers.js @@ -0,0 +1,282 @@ +'use strict'; + +var utils = require('./utils'); + +module.exports = function(braces, options) { + braces.compiler + + /** + * bos + */ + + .set('bos', function() { + if (this.output) return; + this.ast.queue = isEscaped(this.ast) ? [this.ast.val] : []; + this.ast.count = 1; + }) + + /** + * Square brackets + */ + + .set('bracket', function(node) { + var close = node.close; + var open = !node.escaped ? '[' : '\\['; + var negated = node.negated; + var inner = node.inner; + + inner = inner.replace(/\\(?=[\\\w]|$)/g, '\\\\'); + if (inner === ']-') { + inner = '\\]\\-'; + } + + if (negated && inner.indexOf('.') === -1) { + inner += '.'; + } + if (negated && inner.indexOf('/') === -1) { + inner += '/'; + } + + var val = open + negated + inner + close; + var queue = node.parent.queue; + var last = utils.arrayify(queue.pop()); + + queue.push(utils.join(last, val)); + queue.push.apply(queue, []); + }) + + /** + * Brace + */ + + .set('brace', function(node) { + node.queue = isEscaped(node) ? [node.val] : []; + node.count = 1; + return this.mapVisit(node.nodes); + }) + + /** + * Open + */ + + .set('brace.open', function(node) { + node.parent.open = node.val; + }) + + /** + * Inner + */ + + .set('text', function(node) { + var queue = node.parent.queue; + var escaped = node.escaped; + var segs = [node.val]; + + if (node.optimize === false) { + options = utils.extend({}, options, {optimize: false}); + } + + if (node.multiplier > 1) { + node.parent.count *= node.multiplier; + } + + if (options.quantifiers === true && utils.isQuantifier(node.val)) { + escaped = true; + + } else if (node.val.length > 1) { + if (isType(node.parent, 'brace') && !isEscaped(node)) { + var expanded = utils.expand(node.val, options); + segs = expanded.segs; + + if (expanded.isOptimized) { + node.parent.isOptimized = true; + } + + // if nothing was expanded, we probably have a literal brace + if (!segs.length) { + var val = (expanded.val || node.val); + if (options.unescape !== false) { + // unescape unexpanded brace sequence/set separators + val = val.replace(/\\([,.])/g, '$1'); + // strip quotes + val = val.replace(/["'`]/g, ''); + } + + segs = [val]; + escaped = true; + } + } + + } else if (node.val === ',') { + if (options.expand) { + node.parent.queue.push(['']); + segs = ['']; + } else { + segs = ['|']; + } + } else { + escaped = true; + } + + if (escaped && isType(node.parent, 'brace')) { + if (node.parent.nodes.length <= 4 && node.parent.count === 1) { + node.parent.escaped = true; + } else if (node.parent.length <= 3) { + node.parent.escaped = true; + } + } + + if (!hasQueue(node.parent)) { + node.parent.queue = segs; + return; + } + + var last = utils.arrayify(queue.pop()); + if (node.parent.count > 1 && options.expand) { + last = multiply(last, node.parent.count); + node.parent.count = 1; + } + + queue.push(utils.join(utils.flatten(last), segs.shift())); + queue.push.apply(queue, segs); + }) + + /** + * Close + */ + + .set('brace.close', function(node) { + var queue = node.parent.queue; + var prev = node.parent.parent; + var last = prev.queue.pop(); + var open = node.parent.open; + var close = node.val; + + if (open && close && isOptimized(node, options)) { + open = '('; + close = ')'; + } + + // if a close brace exists, and the previous segment is one character + // don't wrap the result in braces or parens + var ele = utils.last(queue); + if (node.parent.count > 1 && options.expand) { + ele = multiply(queue.pop(), node.parent.count); + node.parent.count = 1; + queue.push(ele); + } + + if (close && typeof ele === 'string' && ele.length === 1) { + open = ''; + close = ''; + } + + if ((isLiteralBrace(node, options) || noInner(node)) && !node.parent.hasEmpty) { + queue.push(utils.join(open, queue.pop() || '')); + queue = utils.flatten(utils.join(queue, close)); + } + + if (typeof last === 'undefined') { + prev.queue = [queue]; + } else { + prev.queue.push(utils.flatten(utils.join(last, queue))); + } + }) + + /** + * eos + */ + + .set('eos', function(node) { + if (this.input) return; + + if (options.optimize !== false) { + this.output = utils.last(utils.flatten(this.ast.queue)); + } else if (Array.isArray(utils.last(this.ast.queue))) { + this.output = utils.flatten(this.ast.queue.pop()); + } else { + this.output = utils.flatten(this.ast.queue); + } + + if (node.parent.count > 1 && options.expand) { + this.output = multiply(this.output, node.parent.count); + } + + this.output = utils.arrayify(this.output); + this.ast.queue = []; + }); + +}; + +/** + * Multiply the segments in the current brace level + */ + +function multiply(queue, n, options) { + return utils.flatten(utils.repeat(utils.arrayify(queue), n)); +} + +/** + * Return true if `node` is escaped + */ + +function isEscaped(node) { + return node.escaped === true; +} + +/** + * Returns true if regex parens should be used for sets. If the parent `type` + * is not `brace`, then we're on a root node, which means we should never + * expand segments and open/close braces should be `{}` (since this indicates + * a brace is missing from the set) + */ + +function isOptimized(node, options) { + if (node.parent.isOptimized) return true; + return isType(node.parent, 'brace') + && !isEscaped(node.parent) + && options.expand !== true; +} + +/** + * Returns true if the value in `node` should be wrapped in a literal brace. + * @return {Boolean} + */ + +function isLiteralBrace(node, options) { + return isEscaped(node.parent) || options.optimize !== false; +} + +/** + * Returns true if the given `node` does not have an inner value. + * @return {Boolean} + */ + +function noInner(node, type) { + if (node.parent.queue.length === 1) { + return true; + } + var nodes = node.parent.nodes; + return nodes.length === 3 + && isType(nodes[0], 'brace.open') + && !isType(nodes[1], 'text') + && isType(nodes[2], 'brace.close'); +} + +/** + * Returns true if the given `node` is the given `type` + * @return {Boolean} + */ + +function isType(node, type) { + return typeof node !== 'undefined' && node.type === type; +} + +/** + * Returns true if the given `node` has a non-empty queue. + * @return {Boolean} + */ + +function hasQueue(node) { + return Array.isArray(node.queue) && node.queue.length; +} -- cgit v1.2.3