vm.compileFunction(code[, params[, options]])


  • code <string> 要编译的函数体。
  • params <string[]> 包含函数所有参数的字符串数组。
  • options <Object>
    • filename <string> 指定此脚本生成的堆栈跟踪中使用的文件名。 默认值: ''
    • lineOffset <number> 指定在此脚本生成的堆栈跟踪中显示的行号偏移量。 默认值: 0
    • columnOffset <number> 指定在此脚本生成的堆栈跟踪中显示的第一行列号偏移量。 默认值: 0
    • cachedData <Buffer> | <TypedArray> | <DataView> 为所提供的源提供可选的 BufferTypedArrayDataView,其中包含 V8 的代码缓存数据。
    • produceCachedData <boolean> 指定是否产生新的缓存数据。 默认值: false
    • parsingContext <Object> 应在其中编译所述函数的上下文隔离化的对象。
    • contextExtensions <Object[]> 包含要在编译时应用的上下文扩展集合(包含当前作用域的对象)的数组。 默认值: []
    • importModuleDynamically <Function> 在调用 import() 时在评估此模块期间调用。 如果未指定此选项,则调用 import() 将使用 ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING 拒绝。 此选项是实验模块 API 的一部分,不应被视为稳定的。
  • 返回: <Function>

将给定的代码编译到提供的上下文中(如果没有提供上下文,则使用当前上下文),并返回它包装在具有给定 params 的函数中。

  • code <string> The body of the function to compile.
  • params <string[]> An array of strings containing all parameters for the function.
  • options <Object>
    • filename <string> Specifies the filename used in stack traces produced by this script. Default: ''.
    • lineOffset <number> Specifies the line number offset that is displayed in stack traces produced by this script. Default: 0.
    • columnOffset <number> Specifies the first-line column number offset that is displayed in stack traces produced by this script. Default: 0.
    • cachedData <Buffer> | <TypedArray> | <DataView> Provides an optional Buffer or TypedArray, or DataView with V8's code cache data for the supplied source.
    • produceCachedData <boolean> Specifies whether to produce new cache data. Default: false.
    • parsingContext <Object> The contextified object in which the said function should be compiled in.
    • contextExtensions <Object[]> An array containing a collection of context extensions (objects wrapping the current scope) to be applied while compiling. Default: [].
    • importModuleDynamically <Function> Called during evaluation of this module when import() is called. If this option is not specified, calls to import() will reject with ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING. This option is part of the experimental modules API, and should not be considered stable.
      • specifier <string> specifier passed to import()
      • function <Function>
      • importAssertions <Object> The "assert" value passed to the optionsExpression optional parameter, or an empty object if no value was provided.
      • Returns: <Module Namespace Object> | <vm.Module> Returning a vm.Module is recommended in order to take advantage of error tracking, and to avoid issues with namespaces that contain then function exports.
  • Returns: <Function>

Compiles the given code into the provided context (if no context is supplied, the current context is used), and returns it wrapped inside a function with the given params.