diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-11-05 17:23:37 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-11-05 17:23:37 +0800 |
| commit | 2cdf0cb352ab6a2d0f8cb25120e4ebc92c5316e3 (patch) | |
| tree | 6b088c99810bd013f17b80522c936ca6dfc09858 /node_modules/terser/lib/propmangle.js | |
| parent | f8ee6ef722e6c560c4a1c879e04dbdf0b01f0316 (diff) | |
removed autoprefix hover as it will have a high chance of making hover stopped working
Diffstat (limited to 'node_modules/terser/lib/propmangle.js')
| -rw-r--r-- | node_modules/terser/lib/propmangle.js | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/node_modules/terser/lib/propmangle.js b/node_modules/terser/lib/propmangle.js deleted file mode 100644 index e895705e..00000000 --- a/node_modules/terser/lib/propmangle.js +++ /dev/null @@ -1,432 +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"; -/* global global, self */ - -import { - defaults, - push_uniq, - has_annotation, - clear_annotation, -} from "./utils/index.js"; -import { base54 } from "./scope.js"; -import { - AST_Binary, - AST_Call, - AST_ClassPrivateProperty, - AST_Conditional, - AST_Dot, - AST_DotHash, - AST_ObjectKeyVal, - AST_ObjectProperty, - AST_PrivateMethod, - AST_PrivateGetter, - AST_PrivateSetter, - AST_PrivateIn, - AST_Sequence, - AST_String, - AST_Sub, - TreeTransformer, - TreeWalker, - _KEY, - _MANGLEPROP, - - walk, -} from "./ast.js"; -import { domprops } from "../tools/domprops.js"; - -function find_builtins(reserved) { - domprops.forEach(add); - - // Compatibility fix for some standard defined globals not defined on every js environment - var new_globals = ["Symbol", "Map", "Promise", "Proxy", "Reflect", "Set", "WeakMap", "WeakSet"]; - var objects = {}; - var global_ref = typeof global === "object" ? global : self; - - new_globals.forEach(function (new_global) { - objects[new_global] = global_ref[new_global] || function() {}; - }); - - [ - "null", - "true", - "false", - "NaN", - "Infinity", - "-Infinity", - "undefined", - ].forEach(add); - [ Object, Array, Function, Number, - String, Boolean, Error, Math, - Date, RegExp, objects.Symbol, ArrayBuffer, - DataView, decodeURI, decodeURIComponent, - encodeURI, encodeURIComponent, eval, EvalError, - Float32Array, Float64Array, Int8Array, Int16Array, - Int32Array, isFinite, isNaN, JSON, objects.Map, parseFloat, - parseInt, objects.Promise, objects.Proxy, RangeError, ReferenceError, - objects.Reflect, objects.Set, SyntaxError, TypeError, Uint8Array, - Uint8ClampedArray, Uint16Array, Uint32Array, URIError, - objects.WeakMap, objects.WeakSet - ].forEach(function(ctor) { - Object.getOwnPropertyNames(ctor).map(add); - if (ctor.prototype) { - Object.getOwnPropertyNames(ctor.prototype).map(add); - } - }); - function add(name) { - reserved.add(name); - } -} - -function reserve_quoted_keys(ast, reserved) { - function add(name) { - push_uniq(reserved, name); - } - - ast.walk(new TreeWalker(function(node) { - if (node instanceof AST_ObjectKeyVal && node.quote) { - add(node.key); - } else if (node instanceof AST_ObjectProperty && node.quote) { - add(node.key.name); - } else if (node instanceof AST_Sub) { - addStrings(node.property, add); - } - })); -} - -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_private_properties(ast, options) { - var cprivate = -1; - var private_cache = new Map(); - var nth_identifier = options.nth_identifier || base54; - - ast = ast.transform(new TreeTransformer(function(node) { - if ( - node instanceof AST_ClassPrivateProperty - || node instanceof AST_PrivateMethod - || node instanceof AST_PrivateGetter - || node instanceof AST_PrivateSetter - || node instanceof AST_PrivateIn - ) { - node.key.name = mangle_private(node.key.name); - } else if (node instanceof AST_DotHash) { - node.property = mangle_private(node.property); - } - })); - return ast; - - function mangle_private(name) { - let mangled = private_cache.get(name); - if (!mangled) { - mangled = nth_identifier.get(++cprivate); - private_cache.set(name, mangled); - } - - return mangled; - } -} - -function find_annotated_props(ast) { - var annotated_props = new Set(); - walk(ast, node => { - if ( - node instanceof AST_ClassPrivateProperty - || node instanceof AST_PrivateMethod - || node instanceof AST_PrivateGetter - || node instanceof AST_PrivateSetter - || node instanceof AST_DotHash - ) { - // handled by mangle_private_properties - } else if (node instanceof AST_ObjectKeyVal) { - if (typeof node.key == "string" && has_annotation(node, _MANGLEPROP)) { - annotated_props.add(node.key); - } - } else if (node instanceof AST_ObjectProperty) { - // setter or getter, since KeyVal is handled above - if (has_annotation(node, _MANGLEPROP)) { - annotated_props.add(node.key.name); - } - } else if (node instanceof AST_Dot) { - if (has_annotation(node, _MANGLEPROP)) { - annotated_props.add(node.property); - } - } else if (node instanceof AST_Sub) { - if (node.property instanceof AST_String && has_annotation(node, _MANGLEPROP)) { - annotated_props.add(node.property.value); - } - } - }); - return annotated_props; -} - -function mangle_properties(ast, options, annotated_props = find_annotated_props(ast)) { - options = defaults(options, { - builtins: false, - cache: null, - debug: false, - keep_quoted: false, - nth_identifier: base54, - only_cache: false, - regex: null, - reserved: null, - undeclared: false, - only_annotated: false, - }, true); - - var nth_identifier = options.nth_identifier; - - var reserved_option = options.reserved; - if (!Array.isArray(reserved_option)) reserved_option = [reserved_option]; - var reserved = new Set(reserved_option); - if (!options.builtins) find_builtins(reserved); - - var cname = -1; - - var cache; - if (options.cache) { - cache = options.cache.props; - } else { - cache = new Map(); - } - - var only_annotated = options.only_annotated; - var regex = options.regex && new RegExp(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_name_suffix; - if (debug) { - debug_name_suffix = (options.debug === true ? "" : options.debug); - } - - var names_to_mangle = new Set(); - var unmangleable = new Set(); - // Track each already-mangled name to prevent nth_identifier from generating - // the same name. - cache.forEach((mangled_name) => unmangleable.add(mangled_name)); - - var keep_quoted = !!options.keep_quoted; - - // step 1: find candidates to mangle - ast.walk(new TreeWalker(function(node) { - if ( - node instanceof AST_ClassPrivateProperty - || node instanceof AST_PrivateMethod - || node instanceof AST_PrivateGetter - || node instanceof AST_PrivateSetter - || node instanceof AST_DotHash - ) { - // handled by mangle_private_properties - } else if (node instanceof AST_ObjectKeyVal) { - if (typeof node.key == "string" && (!keep_quoted || !node.quote)) { - add(node.key); - } - } else if (node instanceof AST_ObjectProperty) { - // setter or getter, since KeyVal is handled above - if (!keep_quoted || !node.quote) { - add(node.key.name); - } - } else if (node instanceof AST_Dot) { - var declared = !!options.undeclared; - if (!declared) { - var root = node; - while (root.expression) { - root = root.expression; - } - declared = !(root.thedef && root.thedef.undeclared); - } - if (declared && - (!keep_quoted || !node.quote)) { - add(node.property); - } - } else if (node instanceof AST_Sub) { - if (!keep_quoted) { - addStrings(node.property, add); - } - } else if (node instanceof AST_Call - && node.expression.print_to_string() == "Object.defineProperty") { - addStrings(node.args[1], add); - } else if (node instanceof AST_Binary && node.operator === "in") { - addStrings(node.left, add); - } else if (node instanceof AST_String && has_annotation(node, _KEY)) { - add(node.value); - } - })); - - // step 2: transform the tree, renaming properties - return ast.transform(new TreeTransformer(function(node) { - if ( - node instanceof AST_ClassPrivateProperty - || node instanceof AST_PrivateMethod - || node instanceof AST_PrivateGetter - || node instanceof AST_PrivateSetter - || node instanceof AST_DotHash - ) { - // handled by mangle_private_properties - } else if (node instanceof AST_ObjectKeyVal) { - if (typeof node.key == "string" && (!keep_quoted || !node.quote)) { - node.key = mangle(node.key); - } - } else if (node instanceof AST_ObjectProperty) { - // setter, getter, method or class field - if (!keep_quoted || !node.quote) { - node.key.name = mangle(node.key.name); - } - } else if (node instanceof AST_Dot) { - if (!keep_quoted || !node.quote) { - node.property = mangle(node.property); - } - } else if (!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]); - } else if (node instanceof AST_Binary && node.operator === "in") { - node.left = mangleStrings(node.left); - } else if (node instanceof AST_String && has_annotation(node, _KEY)) { - // Clear _KEY annotation to prevent double mangling - clear_annotation(node, _KEY); - node.value = mangle(node.value); - } - })); - - // only function declarations after this line - - function can_mangle(name) { - if (unmangleable.has(name)) return false; - if (reserved.has(name)) return false; - if (options.only_cache) { - return cache.has(name); - } - if (/^-?[0-9]+(\.[0-9]+)?(e[+-][0-9]+)?$/.test(name)) return false; - return true; - } - - function should_mangle(name) { - if (only_annotated && !annotated_props.has(name)) return false; - if (regex && !regex.test(name)) { - return annotated_props.has(name); - } - if (reserved.has(name)) return false; - return cache.has(name) - || names_to_mangle.has(name); - } - - function add(name) { - if (can_mangle(name)) { - names_to_mangle.add(name); - } - - if (!should_mangle(name)) { - unmangleable.add(name); - } - } - - function mangle(name) { - if (!should_mangle(name)) { - return name; - } - - var mangled = cache.get(name); - if (!mangled) { - if (debug) { - // debug mode: use a prefix and suffix to preserve readability, e.g. o.foo -> o._$foo$NNN_. - var debug_mangled = "_$" + name + "$" + debug_name_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 = nth_identifier.get(++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) { - // Clear _KEY annotation to prevent double mangling - clear_annotation(node, _KEY); - node.value = mangle(node.value); - } else if (node instanceof AST_Conditional) { - node.consequent = mangleStrings(node.consequent); - node.alternative = mangleStrings(node.alternative); - } - return node; - })); - } -} - -export { - reserve_quoted_keys, - mangle_properties, - mangle_private_properties, - find_annotated_props, -}; |
