77 lines
1.5 KiB
JavaScript
77 lines
1.5 KiB
JavaScript
/*!
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* depd
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* Copyright(c) 2015 Douglas Christopher Wilson
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* MIT Licensed
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*/
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'use strict'
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/**
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* Module exports.
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* @public
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*/
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module.exports = depd
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/**
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* Create deprecate for namespace in caller.
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*/
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function depd (namespace) {
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if (!namespace) {
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throw new TypeError('argument namespace is required')
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}
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function deprecate (message) {
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// no-op in browser
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}
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deprecate._file = undefined
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deprecate._ignored = true
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deprecate._namespace = namespace
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deprecate._traced = false
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deprecate._warned = Object.create(null)
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deprecate.function = wrapfunction
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deprecate.property = wrapproperty
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return deprecate
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}
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/**
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* Return a wrapped function in a deprecation message.
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*
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* This is a no-op version of the wrapper, which does nothing but call
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* validation.
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*/
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function wrapfunction (fn, message) {
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if (typeof fn !== 'function') {
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throw new TypeError('argument fn must be a function')
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}
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return fn
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}
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/**
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* Wrap property in a deprecation message.
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*
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* This is a no-op version of the wrapper, which does nothing but call
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* validation.
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*/
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function wrapproperty (obj, prop, message) {
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if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
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throw new TypeError('argument obj must be object')
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}
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var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
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if (!descriptor) {
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throw new TypeError('must call property on owner object')
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}
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if (!descriptor.configurable) {
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throw new TypeError('property must be configurable')
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}
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}
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