58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
var register = require('./lib/register')
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var addHook = require('./lib/add')
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var removeHook = require('./lib/remove')
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// bind with array of arguments: https://stackoverflow.com/a/21792913
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var bind = Function.bind
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var bindable = bind.bind(bind)
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function bindApi (hook, state, name) {
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var removeHookRef = bindable(removeHook, null).apply(null, name ? [state, name] : [state])
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hook.api = { remove: removeHookRef }
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hook.remove = removeHookRef
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;['before', 'error', 'after', 'wrap'].forEach(function (kind) {
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var args = name ? [state, kind, name] : [state, kind]
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hook[kind] = hook.api[kind] = bindable(addHook, null).apply(null, args)
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})
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}
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function HookSingular () {
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var singularHookName = 'h'
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var singularHookState = {
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registry: {}
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}
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var singularHook = register.bind(null, singularHookState, singularHookName)
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bindApi(singularHook, singularHookState, singularHookName)
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return singularHook
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}
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function HookCollection () {
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var state = {
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registry: {}
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}
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var hook = register.bind(null, state)
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bindApi(hook, state)
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return hook
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}
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var collectionHookDeprecationMessageDisplayed = false
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function Hook () {
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if (!collectionHookDeprecationMessageDisplayed) {
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console.warn('[before-after-hook]: "Hook()" repurposing warning, use "Hook.Collection()". Read more: https://git.io/upgrade-before-after-hook-to-1.4')
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collectionHookDeprecationMessageDisplayed = true
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}
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return HookCollection()
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}
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Hook.Singular = HookSingular.bind()
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Hook.Collection = HookCollection.bind()
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module.exports = Hook
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// expose constructors as a named property for TypeScript
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module.exports.Hook = Hook
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module.exports.Singular = Hook.Singular
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module.exports.Collection = Hook.Collection
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