diff options
author | Florian Dold <florian.dold@gmail.com> | 2019-03-27 21:01:33 +0100 |
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committer | Florian Dold <florian.dold@gmail.com> | 2019-03-27 21:01:33 +0100 |
commit | cc97a4dd2a967e1c2273bd5f4c5f49a5bf2e2585 (patch) | |
tree | 92c5d88706a6ffc654d1b133618d357890e7096b /node_modules/uglify-js/lib/propmangle.js | |
parent | 3771b4d6b67b34c130f3a9a1a15f42deefdb2eda (diff) |
remove node_modules
Diffstat (limited to 'node_modules/uglify-js/lib/propmangle.js')
-rw-r--r-- | node_modules/uglify-js/lib/propmangle.js | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/node_modules/uglify-js/lib/propmangle.js b/node_modules/uglify-js/lib/propmangle.js deleted file mode 100644 index 9f8bc7fd2..000000000 --- a/node_modules/uglify-js/lib/propmangle.js +++ /dev/null @@ -1,234 +0,0 @@ -/*********************************************************************** - - A JavaScript tokenizer / parser / beautifier / compressor. - https://github.com/mishoo/UglifyJS2 - - -------------------------------- (C) --------------------------------- - - Author: Mihai Bazon - <mihai.bazon@gmail.com> - http://mihai.bazon.net/blog - - Distributed under the BSD license: - - Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - * Redistributions of source code must retain the above - copyright notice, this list of conditions and the following - disclaimer. - - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials - provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY - EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF - THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - SUCH DAMAGE. - - ***********************************************************************/ - -"use strict"; - -function find_builtins(reserved) { - // NaN will be included due to Number.NaN - [ - "null", - "true", - "false", - "Infinity", - "-Infinity", - "undefined", - ].forEach(add); - [ - Array, - Boolean, - Date, - Error, - Function, - Math, - Number, - Object, - RegExp, - String, - ].forEach(function(ctor) { - Object.getOwnPropertyNames(ctor).map(add); - if (ctor.prototype) { - Object.getOwnPropertyNames(ctor.prototype).map(add); - } - }); - - function add(name) { - push_uniq(reserved, name); - } -} - -function reserve_quoted_keys(ast, reserved) { - ast.walk(new TreeWalker(function(node) { - if (node instanceof AST_ObjectKeyVal && node.quote) { - add(node.key); - } else if (node instanceof AST_Sub) { - addStrings(node.property, add); - } - })); - - function add(name) { - push_uniq(reserved, name); - } -} - -function addStrings(node, add) { - node.walk(new TreeWalker(function(node) { - if (node instanceof AST_Sequence) { - addStrings(node.tail_node(), add); - } else if (node instanceof AST_String) { - add(node.value); - } else if (node instanceof AST_Conditional) { - addStrings(node.consequent, add); - addStrings(node.alternative, add); - } - return true; - })); -} - -function mangle_properties(ast, options) { - options = defaults(options, { - builtins: false, - cache: null, - debug: false, - keep_quoted: false, - only_cache: false, - regex: null, - reserved: null, - }, true); - - var reserved = options.reserved; - if (!Array.isArray(reserved)) reserved = []; - if (!options.builtins) find_builtins(reserved); - - var cname = -1; - var cache; - if (options.cache) { - cache = options.cache.props; - cache.each(function(mangled_name) { - push_uniq(reserved, mangled_name); - }); - } else { - cache = new Dictionary(); - } - - var regex = options.regex; - - // note debug is either false (disabled), or a string of the debug suffix to use (enabled). - // note debug may be enabled as an empty string, which is falsey. Also treat passing 'true' - // the same as passing an empty string. - var debug = options.debug !== false; - var debug_suffix; - if (debug) debug_suffix = options.debug === true ? "" : options.debug; - - var names_to_mangle = []; - var unmangleable = []; - - // step 1: find candidates to mangle - ast.walk(new TreeWalker(function(node) { - if (node instanceof AST_ObjectKeyVal) { - add(node.key); - } else if (node instanceof AST_ObjectProperty) { - // setter or getter, since KeyVal is handled above - add(node.key.name); - } else if (node instanceof AST_Dot) { - add(node.property); - } else if (node instanceof AST_Sub) { - addStrings(node.property, add); - } else if (node instanceof AST_Call - && node.expression.print_to_string() == "Object.defineProperty") { - addStrings(node.args[1], add); - } - })); - - // step 2: transform the tree, renaming properties - return ast.transform(new TreeTransformer(function(node) { - if (node instanceof AST_ObjectKeyVal) { - node.key = mangle(node.key); - } else if (node instanceof AST_ObjectProperty) { - // setter or getter - node.key.name = mangle(node.key.name); - } else if (node instanceof AST_Dot) { - node.property = mangle(node.property); - } else if (!options.keep_quoted && node instanceof AST_Sub) { - node.property = mangleStrings(node.property); - } else if (node instanceof AST_Call - && node.expression.print_to_string() == "Object.defineProperty") { - node.args[1] = mangleStrings(node.args[1]); - } - })); - - // only function declarations after this line - - function can_mangle(name) { - if (unmangleable.indexOf(name) >= 0) return false; - if (reserved.indexOf(name) >= 0) return false; - if (options.only_cache) return cache.has(name); - if (/^-?[0-9]+(\.[0-9]+)?(e[+-][0-9]+)?$/.test(name)) return false; - return true; - } - - function should_mangle(name) { - if (regex && !regex.test(name)) return false; - if (reserved.indexOf(name) >= 0) return false; - return cache.has(name) || names_to_mangle.indexOf(name) >= 0; - } - - function add(name) { - if (can_mangle(name)) push_uniq(names_to_mangle, name); - if (!should_mangle(name)) push_uniq(unmangleable, name); - } - - function mangle(name) { - if (!should_mangle(name)) { - return name; - } - var mangled = cache.get(name); - if (!mangled) { - if (debug) { - // debug mode: use a prefix and suffix to preserve readability, e.g. o.foo -> o._$foo$NNN_. - var debug_mangled = "_$" + name + "$" + debug_suffix + "_"; - if (can_mangle(debug_mangled)) mangled = debug_mangled; - } - // either debug mode is off, or it is on and we could not use the mangled name - if (!mangled) do { - mangled = base54(++cname); - } while (!can_mangle(mangled)); - cache.set(name, mangled); - } - return mangled; - } - - function mangleStrings(node) { - return node.transform(new TreeTransformer(function(node) { - if (node instanceof AST_Sequence) { - var last = node.expressions.length - 1; - node.expressions[last] = mangleStrings(node.expressions[last]); - } else if (node instanceof AST_String) { - node.value = mangle(node.value); - } else if (node instanceof AST_Conditional) { - node.consequent = mangleStrings(node.consequent); - node.alternative = mangleStrings(node.alternative); - } - return node; - })); - } -} |