# Generator API

# cliVersion

Type: string

The version string for the global @vue/cli version that is invoking the plugin.

# assertCliVersion

• Arguments

  • {integer | string} range - a semver range that @vue/cli needs to satisfy

• Usage

  While api.version can be useful in general, it's sometimes nice to just declare your version. This API exposes a simple way to do that.

  Nothing happens if the provided version is satisfied. Otherwise, an error will be thrown.

# cliServiceVersion

Type: string

The version string for the project local @vue/cli-service version that is invoking the plugin.

# assertCliServiceVersion

• Arguments

  • {integer | string} range - a semver range that @vue/cli-service needs to satisfy

• Usage

  This API exposes a simple way to declare the required project local @vue/cli-service version.

  Nothing happens if the provided version is satisfied. Otherwise, an error will be thrown.

# resolve

• Arguments

  • {string} _path - relative path from project root

• Returns

  • {string}- the resolved absolute path

• Usage: Resolve a path for the current project

# hasPlugin

• Arguments

  • {string} id - plugin id, can omit the (@vue/|vue-|@scope/vue)-cli-plugin- prefix

• Returns

  • {boolean}

• Usage: Check if the project has a plugin with given id

# addConfigTransform

• Arguments

  • {string} key - config key in package.json
  • {object} options - options
  • {object} options.file - file descriptor. Used to search for existing file. Each key is a file type (possible values: ['js', 'json', 'yaml', 'lines']). The value is a list of filenames. Example:

  {
    js: ['.eslintrc.js'],
    json: ['.eslintrc.json', '.eslintrc']
  }
  

  By default, the first filename will be used to create the config file.

• Returns

  • {boolean}

• Usage: Configure how config files are extracted.

# extendPackage

• Arguments

  • {object | () => object} fields - fields to merge

• Usage: Extend the package.json of the project. Nested fields are deep-merged unless { merge: false } is passed. Also resolves dependency conflicts between plugins. Tool configuration fields may be extracted into standalone files before files are written to disk.

# render

• Arguments

  • {string | object | FileMiddleware} source - can be one of
    • relative path to a directory;
    • object hash of { sourceTemplate: targetFile } mappings;
    • a custom file middleware function
  • {object} [additionalData] - additional data available to templates
  • {object} [ejsOptions] - options for ejs

• Usage: Render template files into the virtual files tree object.

# postProcessFiles

• Arguments

  • {FileMiddleware} cb - file middleware

• Usage: Push a file middleware that will be applied after all normal file middlewares have been applied.

# onCreateComplete

• Arguments

  • {function} cb

• Usage: Push a callback to be called when the files have been written to disk.

# exitLog

• Arguments

  • {} msg - string or value to print after the generation is completed;
  • {('log'|'info'|'done'|'warn'|'error')} [type='log'] - type of the message.

• Usage: Add a message to be printed when the generator exits (after any other standard messages).

# genJSConfig

• Arguments

  • {any} value

• Usage: Convenience method for generating a JS config file from JSON

# makeJSOnlyValue

• Arguments

  • {any} str - JS expression as a string

• Usage: Turns a string expression into executable JS for .js config files

# injectImports

• Arguments

  • {string} file - target file to add imports
  • {string | [string]} imports - imports string/array

• Usage: Add import statements to a file.

# injectRootOptions

• Arguments

  • {string} file - target file to add options
  • {string | [string]} options - options string/array

• Usage: Add options to the root Vue instance (detected by new Vue).

# entryFile

• Returns

  • {('src/main.ts'|'src/main.js')}

• Usage: Get the entry file taking into account typescript.

# invoking

• Returns

  • {boolean}

• Usage: Checks if the plugin is being invoked.