add some packages

node_modules/babel-plugin-minify-dead-code-elimination/README.md

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+# babel-plugin-minify-dead-code-elimination
+
+Inlines bindings when possible. Tries to evaluate expressions and prunes unreachable as a result.
+
+## Example
+
+**In**
+
+```javascript
+function foo() {var x = 1;}
+function bar() { var x = f(); }
+function baz() {
+  var x = 1;
+  console.log(x);
+  function unused() {
+    return 5;
+  }
+}
+```
+
+**Out**
+
+```javascript
+function foo() {}
+function bar() { f(); }
+function baz() {
+  console.log(1);
+}
+```
+
+## Installation
+
+```sh
+npm install babel-plugin-minify-dead-code-elimination
+```
+
+## Usage
+
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+// without options
+{
+  "plugins": ["minify-dead-code-elimination"]
+}
+
+// with options
+{
+  "plugins": ["minify-dead-code-elimination", { "optimizeRawSize": true }]
+}
+```
+
+### Via CLI
+
+```sh
+babel --plugins minify-dead-code-elimination script.js
+```
+
+### Via Node API
+
+```javascript
+require("@babel/core").transform("code", {
+  plugins: ["minify-dead-code-elimination"]
+});
+```
+
+## Options
+
++ `keepFnName` - prevent plugin from removing function name. Useful for code depending on `fn.name`
++ `keepFnArgs` - prevent plugin from removing function args. Useful for code depending on `fn.length`
++ `keepClassName` - prevent plugin from removing class name. Useful for code depending on `cls.name`
++ `tdz` - Account for TDZ (Temporal Dead Zone)

node_modules/babel-plugin-minify-dead-code-elimination/lib/remove-use-strict.js

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+"use strict";
+
+module.exports = removeUseStrict;
+const newIssueUrl = "https://github.com/babel/minify/issues/new";
+const useStrict = "use strict";
+/**
+ * Remove redundant use strict
+ * If the parent has a "use strict" directive, it is not required in
+ * the children
+ *
+ * @param {NodePath} block BlockStatement
+ */
+
+function removeUseStrict(block) {
+  if (!block.isBlockStatement()) {
+    throw new Error(`Received ${block.type}. Expected BlockStatement. ` + `Please report at ${newIssueUrl}`);
+  }
+
+  const useStricts = getUseStrictDirectives(block); // early exit
+
+  if (useStricts.length < 1) return; // only keep the first use strict
+
+  if (useStricts.length > 1) {
+    for (let i = 1; i < useStricts.length; i++) {
+      useStricts[i].remove();
+    }
+  } // check if parent has an use strict
+
+
+  if (hasStrictParent(block)) {
+    useStricts[0].remove();
+  }
+}
+
+function hasStrictParent(path) {
+  return path.findParent(parent => parent.isBlockStatement() && isStrict(parent));
+}
+
+function isStrict(block) {
+  return getUseStrictDirectives(block).length > 0;
+}
+
+function getUseStrictDirectives(block) {
+  var dir = block.get("directives");
+  return Array.isArray(dir) ? dir.filter(function (directive) {
+    return directive.node.value.value === useStrict;
+  }) : [];
+}

node_modules/babel-plugin-minify-dead-code-elimination/package.json

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+{
+  "_from": "babel-plugin-minify-dead-code-elimination@^0.4.1",
+  "_id": "babel-plugin-minify-dead-code-elimination@0.4.1",
+  "_inBundle": false,
+  "_integrity": "sha1-81/PNIk06wqslEUCrTA3KRgu6yE=",
+  "_location": "/babel-plugin-minify-dead-code-elimination",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "babel-plugin-minify-dead-code-elimination@^0.4.1",
+    "name": "babel-plugin-minify-dead-code-elimination",
+    "escapedName": "babel-plugin-minify-dead-code-elimination",
+    "rawSpec": "^0.4.1",
+    "saveSpec": null,
+    "fetchSpec": "^0.4.1"
+  },
+  "_requiredBy": [
+    "/babel-preset-minify"
+  ],
+  "_resolved": "https://registry.npmjs.org/babel-plugin-minify-dead-code-elimination/-/babel-plugin-minify-dead-code-elimination-0.4.1.tgz",
+  "_shasum": "f35fcf348934eb0aac944502ad303729182eeb21",
+  "_spec": "babel-plugin-minify-dead-code-elimination@^0.4.1",
+  "_where": "/home/s2/Documents/Code/minifyfromhtml/node_modules/babel-preset-minify",
+  "author": {
+    "name": "amasad"
+  },
+  "bugs": {
+    "url": "https://github.com/babel/minify/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "babel-helper-evaluate-path": "^0.4.1",
+    "babel-helper-mark-eval-scopes": "^0.4.1",
+    "babel-helper-remove-or-void": "^0.4.1",
+    "lodash.some": "^4.6.0"
+  },
+  "deprecated": false,
+  "description": "Inlines bindings when possible. Tries to evaluate expressions and prunes unreachable as a result.",
+  "homepage": "https://github.com/babel/minify#readme",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "license": "MIT",
+  "main": "lib/index.js",
+  "name": "babel-plugin-minify-dead-code-elimination",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/minify/tree/master/packages/babel-plugin-minify-dead-code-elimination"
+  },
+  "version": "0.4.1"
+}