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author | 2020-11-18 23:26:45 +0100 | |
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committer | 2020-11-18 23:26:45 +0100 | |
commit | 81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch) | |
tree | 8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/eslint-scope/lib/index.js | |
parent | 1870f3fdf43707a15fda0f609a021f516f45eb63 (diff) | |
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rm node_modules
Diffstat (limited to 'node_modules/eslint-scope/lib/index.js')
-rw-r--r-- | node_modules/eslint-scope/lib/index.js | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/node_modules/eslint-scope/lib/index.js b/node_modules/eslint-scope/lib/index.js deleted file mode 100644 index f48252f..0000000 --- a/node_modules/eslint-scope/lib/index.js +++ /dev/null @@ -1,165 +0,0 @@ -/* - Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com> - Copyright (C) 2013 Alex Seville <hi@alexanderseville.com> - Copyright (C) 2014 Thiago de Arruda <tpadilha84@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 HOLDERS AND CONTRIBUTORS "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 <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. -*/ - -/** - * Escope (<a href="http://github.com/estools/escope">escope</a>) is an <a - * href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a> - * scope analyzer extracted from the <a - * href="http://github.com/estools/esmangle">esmangle project</a/>. - * <p> - * <em>escope</em> finds lexical scopes in a source program, i.e. areas of that - * program where different occurrences of the same identifier refer to the same - * variable. With each scope the contained variables are collected, and each - * identifier reference in code is linked to its corresponding variable (if - * possible). - * <p> - * <em>escope</em> works on a syntax tree of the parsed source code which has - * to adhere to the <a - * href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API"> - * Mozilla Parser API</a>. E.g. <a href="https://github.com/eslint/espree">espree</a> is a parser - * that produces such syntax trees. - * <p> - * The main interface is the {@link analyze} function. - * @module escope - */ -"use strict"; - -/* eslint no-underscore-dangle: ["error", { "allow": ["__currentScope"] }] */ - -const assert = require("assert"); - -const ScopeManager = require("./scope-manager"); -const Referencer = require("./referencer"); -const Reference = require("./reference"); -const Variable = require("./variable"); -const Scope = require("./scope").Scope; -const version = require("../package.json").version; - -/** - * Set the default options - * @returns {Object} options - */ -function defaultOptions() { - return { - optimistic: false, - directive: false, - nodejsScope: false, - impliedStrict: false, - sourceType: "script", // one of ['script', 'module'] - ecmaVersion: 5, - childVisitorKeys: null, - fallback: "iteration" - }; -} - -/** - * Preform deep update on option object - * @param {Object} target - Options - * @param {Object} override - Updates - * @returns {Object} Updated options - */ -function updateDeeply(target, override) { - - /** - * Is hash object - * @param {Object} value - Test value - * @returns {boolean} Result - */ - function isHashObject(value) { - return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp); - } - - for (const key in override) { - if (override.hasOwnProperty(key)) { - const val = override[key]; - - if (isHashObject(val)) { - if (isHashObject(target[key])) { - updateDeeply(target[key], val); - } else { - target[key] = updateDeeply({}, val); - } - } else { - target[key] = val; - } - } - } - return target; -} - -/** - * Main interface function. Takes an Espree syntax tree and returns the - * analyzed scopes. - * @function analyze - * @param {espree.Tree} tree - Abstract Syntax Tree - * @param {Object} providedOptions - Options that tailor the scope analysis - * @param {boolean} [providedOptions.optimistic=false] - the optimistic flag - * @param {boolean} [providedOptions.directive=false]- the directive flag - * @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls - * @param {boolean} [providedOptions.nodejsScope=false]- whether the whole - * script is executed under node.js environment. When enabled, escope adds - * a function scope immediately following the global scope. - * @param {boolean} [providedOptions.impliedStrict=false]- implied strict mode - * (if ecmaVersion >= 5). - * @param {string} [providedOptions.sourceType='script']- the source type of the script. one of 'script' and 'module' - * @param {number} [providedOptions.ecmaVersion=5]- which ECMAScript version is considered - * @param {Object} [providedOptions.childVisitorKeys=null] - Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option. - * @param {string} [providedOptions.fallback='iteration'] - A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option. - * @returns {ScopeManager} ScopeManager - */ -function analyze(tree, providedOptions) { - const options = updateDeeply(defaultOptions(), providedOptions); - const scopeManager = new ScopeManager(options); - const referencer = new Referencer(options, scopeManager); - - referencer.visit(tree); - - assert(scopeManager.__currentScope === null, "currentScope should be null."); - - return scopeManager; -} - -module.exports = { - - /** @name module:escope.version */ - version, - - /** @name module:escope.Reference */ - Reference, - - /** @name module:escope.Variable */ - Variable, - - /** @name module:escope.Scope */ - Scope, - - /** @name module:escope.ScopeManager */ - ScopeManager, - analyze -}; - - -/* vim: set sw=4 ts=4 et tw=80 : */ |