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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,7 @@ | ||
| language: node_js | ||
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| node_js: | ||
| - stable | ||
| - lts/* | ||
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| install: | ||
| - yarn | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| let plugin = (v) => { | ||
| let UND; | ||
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| v.createHook = function ({name, init, update, response}) { | ||
| name = `use${name.charAt(0).toUpperCase()}${name.slice(1).toLowerCase()}`; | ||
| if (!v[name]) { | ||
| v[name] = (...args) => { | ||
| let currentComponent = v.current.component; | ||
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| if (v.current.parentVnode.components === UND) { | ||
| v.current.parentVnode.components = []; | ||
| } | ||
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| if (v.current.parentVnode.components.indexOf(currentComponent) === -1) { | ||
| v.current.parentVnode.components.push(currentComponent); | ||
| } | ||
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| let hook; | ||
| let oldComponentNode = v.current.oldParentVnode.components && | ||
| v.current.oldParentVnode.components[v.current.parentVnode.components.length - 1]; | ||
| let oldMethod = oldComponentNode && ('view' in oldComponentNode.name ? oldComponentNode.name.view : oldComponentNode.name); | ||
| let currentMethod = 'view' in currentComponent.name ? currentComponent.name.view : currentComponent.name; | ||
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| if (currentComponent.hooks === UND) { | ||
| currentComponent.hooks = []; | ||
| } | ||
| let hookIndex = currentComponent.hooks.length; | ||
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| if (oldMethod === currentMethod && 'hooks' in oldComponentNode && oldComponentNode.hooks[hookIndex] !== UND) { | ||
| currentComponent.hooks = oldComponentNode.hooks; | ||
| hook = oldComponentNode.hooks[hookIndex]; | ||
| if (update) { | ||
| update(hook, ...args); | ||
| } | ||
| } else { | ||
| hook = init(...args); | ||
| currentComponent.hooks.push(hook); | ||
| } | ||
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| if (response) { | ||
| return response(hook); | ||
| } | ||
| }; | ||
| } | ||
| }; | ||
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| // State hook | ||
| function createStateHook(value) { | ||
| let method = function (value) { | ||
| if (value !== UND) { | ||
| hook.state = value; | ||
| } | ||
| return hook.state; | ||
| }; | ||
| method.setState = method.toJSON = method.toString = method.valueOf = method; | ||
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| let hook = new Proxy(method, { | ||
| set(hook, prop, val) { | ||
| if (prop === 'state') { | ||
| hook.state = val; | ||
| return true; | ||
| } | ||
| }, | ||
| get(hook, prop) { | ||
| if (prop === 'state') { | ||
| return typeof hook.state === 'function' ? hook.state() : hook.state; | ||
| } | ||
|
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| return hook[prop]; | ||
| } | ||
| }); | ||
|
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| hook(value); | ||
| return hook; | ||
| } | ||
| v.createHook({ | ||
| name: 'state', | ||
| init: (initial) => createStateHook(initial), | ||
| response: (hook) => [hook, hook.setState] | ||
| }); | ||
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| // Effect hook | ||
| function callHook(hook, changes) { | ||
| let {prev} = hook; | ||
| if (!changes) { | ||
| hook.onCleanup = hook.effect(); | ||
| } else if (changes.length > 0) { | ||
| for (let i = 0, l = changes.length; i < l; i++) { | ||
| if (changes[i] !== prev[i]) { | ||
| hook.prev = changes; | ||
| hook.onCleanup = hook.effect(); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
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| if (hook.onCleanup) { | ||
| v.onCleanup(hook.onCleanup); | ||
| } | ||
| } | ||
| v.createHook({ | ||
| name: 'effect', | ||
| init: (effect, changes) => { | ||
| let hook = {effect, prev: changes}; | ||
| callHook(hook); | ||
| return hook; | ||
| }, | ||
| update: (hook, effect, changes) => { | ||
| callHook(hook, changes); | ||
| } | ||
| }); | ||
|
|
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| }; | ||
|
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| export default plugin; |
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