message: doc(Node.js): Update for itk-wasm
diff: @@ -5,13 +5,13 @@ An `itk-convert` command line interface (CLI) example demonstrates how to use *i
  This example assumes you are creating a [Node.js package](https://docs.npmjs.com/getting-started/what-is-npm). If you do not already have a `package.json` file, [create one](https://docs.npmjs.com/getting-started/using-a-package.json), first.
  -Add `itk` to your project's dependencies:
  +Add `itk-wasm` to your project's dependencies:
  ```
  -npm install --save itk
  +npm install --save itk-wasm itk-image-io itk-mesh-io itk-polydata-io
  ```
  -This adds `itk` to the `dependencies` section of your *package.json* file:
  +This adds `itk-wasm` and `itk-wasm` IO packages to the `dependencies` section of your *package.json* file:
  ```js
  {
  @@ -20,13 +20,16 @@ This adds `itk` to the `dependencies` section of your *package.json* file:
  "description": "Convert image or mesh files from one format to another.",
  [...]
  "dependencies": {
  - "commander": "^2.14.1",
  - "itk": "^12.3.0"
  + "commander": "^8.2.0",
  + "itk-image-io": "^1.0.0-a.7",
  + "itk-mesh-io": "^1.0.0-a.7",
  + "itk-polydata-io": "^1.0.0-a.7",
  + "itk-wasm": "^1.0.0-a.7"
  }
  }
  ```
  -Next, call functions like [itk/readLocalFileSync](../api/node_io.html) or [itk/writeLocalFileSync](../api/node_io.html).
  +Next, call functions like [readLocalFileSync](../api/node_io.html) or [writeLocalFileSync](../api/node_io.html).
  For example,
  @@ -37,11 +40,11 @@ const inputFile = program.args[0]
  const outputFile = program.args[1]
  try {
  - const object = readLocalFileSync(inputFile);
  - const useCompression = true;
  - writeLocalFileSync(useCompression, object, outputFile);
  + const object = await readLocalFile(inputFile)
  + const useCompression = true
  + await writeLocalFile(useCompression, object, outputFile)
  } catch (error) {
  - console.error('Error during conversion:\n');
  - console.error(error);
  + console.error('Error during conversion:\n')
  + console.error(error)
  }
  ```
  