Initial commit: 11ty website with Fire/Frost branding
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node_modules/@11ty/dependency-tree/README.md
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# `@11ty/dependency-tree`
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Returns an unordered array of local paths to dependencies of a CommonJS node JavaScript file (everything it or any of its dependencies `require`s).
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* See also: [`@11ty/dependency-tree-esm`](https://github.com/11ty/eleventy-utils/tree/main/parse-deps-esm) for the ESM version.
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* See also: [`@11ty/dependency-tree-typescript`](https://github.com/11ty/eleventy-utils/tree/main/parse-deps-typescript) for the TypeScript version.
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Reduced feature (faster) alternative to the [`dependency-tree` package](https://www.npmjs.com/package/dependency-tree). This is used by Eleventy to find dependencies of a JavaScript file to watch for changes to re-run Eleventy’s build.
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## Big Huge Caveat
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⚠ A big caveat to this plugin is that it will require the file in order to build a dependency tree. So if your module has side effects and you don’t want it to execute—do not use this!
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## Installation
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```
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npm install --save-dev @11ty/dependency-tree
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```
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## Features
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* Ignores `node_modules`
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* Or, use `nodeModuleNames` to control whether or not `node_modules` package names are included (added in v2.0.1)
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* Ignores Node’s built-ins (e.g. `path`)
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* Handles circular dependencies (Node does this too)
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## Usage
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```js
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// my-file.js
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// if my-local-dependency.js has dependencies, it will include those too
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const test = require("./my-local-dependency.js");
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// ignored, is a built-in
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const path = require("path");
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```
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```js
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const DependencyTree = require("@11ty/dependency-tree");
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DependencyTree("./my-file.js");
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// returns ["./my-local-dependency.js"]
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```
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### `allowNotFound`
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```js
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const DependencyTree = require("@11ty/dependency-tree");
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DependencyTree("./this-does-not-exist.js"); // throws an error
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DependencyTree("./this-does-not-exist.js", { allowNotFound: true });
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// returns []
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```
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### `nodeModuleNames`
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(Added in v2.0.1) Controls whether or not node package names are included in the list of dependencies.
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* `nodeModuleNames: "include"`: included alongside the local JS files.
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* `nodeModuleNames: "exclude"` (default): node module package names are excluded.
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* `nodeModuleNames: "only"`: only node module package names are returned.
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```js
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// my-file.js:
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require("./my-local-dependency.js");
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require("@11ty/eleventy");
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```
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```js
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const DependencyTree = require("@11ty/dependency-tree");
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DependencyTree("./my-file.js");
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// returns ["./my-local-dependency.js"]
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DependencyTree("./my-file.js", { nodeModuleNames: "exclude" });
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// returns ["./my-local-dependency.js"]
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DependencyTree("./my-file.js", { nodeModuleNames: "include" });
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// returns ["./my-local-dependency.js", "@11ty/eleventy"]
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DependencyTree("./my-file.js", { nodeModuleNames: "only" });
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// returns ["@11ty/eleventy"]
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```
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#### (Deprecated) `nodeModuleNamesOnly`
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(Added in v2.0.0) Changed to use `nodeModuleNames` option instead. Backwards compatibility is maintained automatically.
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* `nodeModuleNamesOnly: false` is mapped to `nodeModuleNames: "exclude"`
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* `nodeModuleNamesOnly: true` is mapped to `nodeModuleNames: "only"`
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If both `nodeModuleNamesOnly` and `nodeModuleNames` are included in options, `nodeModuleNames` takes precedence.
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### `getPackagesByType` method
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_Added in v4.0.2._
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```js
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const DependencyTree = require("@11ty/dependency-tree");
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const {getPackagesByType} = DependencyTree;
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// With `require(esm)` support, some targets may be modules!
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// Return separate lists for commonjs and esm lists
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getPackagesByType("./my-file.js");
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// returns { commonjs: ["./my-file.js"], esm: [] }
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```
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