index.js (1512B)
1 /*! 2 * depd 3 * Copyright(c) 2015 Douglas Christopher Wilson 4 * MIT Licensed 5 */ 6 7 'use strict' 8 9 /** 10 * Module exports. 11 * @public 12 */ 13 14 module.exports = depd 15 16 /** 17 * Create deprecate for namespace in caller. 18 */ 19 20 function depd (namespace) { 21 if (!namespace) { 22 throw new TypeError('argument namespace is required') 23 } 24 25 function deprecate (message) { 26 // no-op in browser 27 } 28 29 deprecate._file = undefined 30 deprecate._ignored = true 31 deprecate._namespace = namespace 32 deprecate._traced = false 33 deprecate._warned = Object.create(null) 34 35 deprecate.function = wrapfunction 36 deprecate.property = wrapproperty 37 38 return deprecate 39 } 40 41 /** 42 * Return a wrapped function in a deprecation message. 43 * 44 * This is a no-op version of the wrapper, which does nothing but call 45 * validation. 46 */ 47 48 function wrapfunction (fn, message) { 49 if (typeof fn !== 'function') { 50 throw new TypeError('argument fn must be a function') 51 } 52 53 return fn 54 } 55 56 /** 57 * Wrap property in a deprecation message. 58 * 59 * This is a no-op version of the wrapper, which does nothing but call 60 * validation. 61 */ 62 63 function wrapproperty (obj, prop, message) { 64 if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) { 65 throw new TypeError('argument obj must be object') 66 } 67 68 var descriptor = Object.getOwnPropertyDescriptor(obj, prop) 69 70 if (!descriptor) { 71 throw new TypeError('must call property on owner object') 72 } 73 74 if (!descriptor.configurable) { 75 throw new TypeError('property must be configurable') 76 } 77 }