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inspect-parameters-declaration

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inspect-parameters-declaration

Inspects function's parameters declaration and returns information about it (e.g. names, default values, if needs destructuring, destructured parameters names and default values)

  • 0.0.9
  • npm
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inspect-parameters-declaration

Build Status npm npm

Inspects function's parameters declaration and returns information about it (e.g. names, default values, if needs destructuring, destructured parameters names and default values).

Installation

npm install inspect-parameters-declaration

CLI

npm install inspect-parameters-declaration -g

Usage

inspectParameters(source);

getParametersNames(source);

  • source is a function reference or a string containing the parameters declaration (e.g. 'a = "z, b = [1,2,3], c, {d,e: {f}, g} = {}')

getParametersNamesFromInspection(inspectedParameters);

  • inspectedParameters expects the result from inspectParameters(source);
const { getParametersNames, inspectParameters } = require('inspect-parameters-declaration');

const testFunction = (a = "z", b = [1,2,3], c, {d,e: {f}, g} = {}) => console.log("noop");

const parametersNames = getParametersNames(testFunction);
const inspectedParameters = inspectParameters(testFunction);

///////////////////////////////
// parametersNames :: RESULT //
///////////////////////////////
// [ "a", "b", "c", "d", "f", "g" ]


///////////////////////////////////
// inspectedParameters :: RESULT //
///////////////////////////////////
// [
//     {
//         "parameter": "a",
//         "defaultValue": "z",
//         "declaration": "a = \"z\""
//     },
//     {
//         "parameter": "b",
//         "defaultValue": "[1,2,3]",
//         "declaration": "b = [1,2,3]"
//     },
//     {
//         "parameter": "c",
//         "declaration": "c"
//     },
//     {
//         "parameter": "{d,e: {f}, g}",
//         "defaultValue": "{}",
//         "expectsDestructuring": true,
//         "declaration": "{d,e: {f}, g} = {}",
//         "destructuredParameters": [
//             {
//                 "parameter": "d",
//                 "declaration": "d"
//             },
//             {
//                 "parameter": "f",
//                 "declaration": "f"
//             },
//             {
//                 "parameter": "g",
//                 "declaration": "g"
//             }
//         ]
//     }
// ]

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Package last updated on 27 Aug 2017

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