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SSR_NODE = 1\nvar TEXT_NODE = 3\nvar EMPTY_OBJ = {}\nvar EMPTY_ARR = []\nvar SVG_NS = \"http://www.w3.org/2000/svg\"\n\nvar id = (a) => a\nvar map = EMPTY_ARR.map\nvar isArray = Array.isArray\nvar enqueue =\n  typeof requestAnimationFrame !== \"undefined\"\n    ? requestAnimationFrame\n    : setTimeout\n\nvar createClass = (obj) => {\n  var out = \"\"\n\n  if (typeof obj === \"string\") return obj\n\n  if (isArray(obj)) {\n    for (var k = 0, tmp; k < obj.length; k++) {\n      if ((tmp = createClass(obj[k]))) {\n        out += (out && \" \") + tmp\n      }\n    }\n  } else {\n    for (var k in obj) {\n      if (obj[k]) out += (out && \" \") + k\n    }\n  }\n\n  return out\n}\n\nvar shouldRestart = (a, b) => {\n  for (var k in { ...a, ...b }) {\n    if (typeof (isArray(a[k]) ? a[k][0] : a[k]) === \"function\") {\n      b[k] = a[k]\n    } else if (a[k] !== b[k]) return true\n  }\n}\n\nvar patchSubs = (oldSubs, newSubs = EMPTY_ARR, dispatch) => {\n  for (\n    var subs = [], i = 0, oldSub, newSub;\n    i < oldSubs.length || i < newSubs.length;\n    i++\n  ) {\n    oldSub = oldSubs[i]\n    newSub = newSubs[i]\n\n    subs.push(\n      newSub && newSub !== true\n        ? !oldSub ||\n          newSub[0] !== oldSub[0] ||\n          shouldRestart(newSub[1], oldSub[1])\n          ? [\n              newSub[0],\n              newSub[1],\n              (oldSub && oldSub[2](), newSub[0](dispatch, newSub[1])),\n            ]\n          : oldSub\n        : oldSub && oldSub[2]()\n    )\n  }\n  return subs\n}\n\nvar getKey = (vdom) => (vdom == null ? vdom : vdom.key)\n\nvar patchProperty = (node, key, oldValue, newValue, listener, isSvg) => {\n  if (key === \"style\") {\n    for (var k in { ...oldValue, ...newValue }) {\n      oldValue = newValue == null || newValue[k] == null ? \"\" : newValue[k]\n      if (k[0] === \"-\") {\n        node[key].setProperty(k, oldValue)\n      } else {\n        node[key][k] = oldValue\n      }\n    }\n  } else if (key[0] === \"o\" && key[1] === \"n\") {\n    if (\n      !((node.events || (node.events = {}))[(key = key.slice(2))] = newValue)\n    ) {\n      node.removeEventListener(key, listener)\n    } else if (!oldValue) {\n      node.addEventListener(key, listener)\n    }\n  } else if (!isSvg && key !== \"list\" && key !== \"form\" && key in node) {\n    node[key] = newValue == null ? \"\" : newValue\n  } else if (newValue == null || newValue === false) {\n    node.removeAttribute(key)\n  } else {\n    node.setAttribute(key, newValue)\n  }\n}\n\nvar createNode = (vdom, listener, isSvg) => {\n  var props = vdom.props\n  var node =\n    vdom.type === TEXT_NODE\n      ? document.createTextNode(vdom.tag)\n      : (isSvg = isSvg || vdom.tag === \"svg\")\n      ? document.createElementNS(SVG_NS, vdom.tag, props.is && props)\n      : document.createElement(vdom.tag, props.is && props)\n\n  for (var k in props) {\n    patchProperty(node, k, null, props[k], listener, isSvg)\n  }\n\n  for (var i = 0; i < vdom.children.length; i++) {\n    node.appendChild(\n      createNode(\n        (vdom.children[i] = maybeVNode(vdom.children[i])),\n        listener,\n        isSvg\n      )\n    )\n  }\n\n  return (vdom.node = node)\n}\n\nvar patch = (parent, node, oldVNode, newVNode, listener, isSvg) => {\n  if (oldVNode === newVNode) {\n  } else if (\n    oldVNode != null &&\n    oldVNode.type === TEXT_NODE &&\n    newVNode.type === TEXT_NODE\n  ) {\n    if (oldVNode.tag !== newVNode.tag) node.nodeValue = newVNode.tag\n  } else if (oldVNode == null || oldVNode.tag !== newVNode.tag) {\n    node = parent.insertBefore(\n      createNode((newVNode = maybeVNode(newVNode)), listener, isSvg),\n      node\n    )\n    if (oldVNode != null) {\n      parent.removeChild(oldVNode.node)\n    }\n  } else {\n    var tmpVKid\n    var oldVKid\n\n    var oldKey\n    var newKey\n\n    var oldProps = oldVNode.props\n    var newProps = newVNode.props\n\n    var oldVKids = oldVNode.children\n    var newVKids = newVNode.children\n\n    var oldHead = 0\n    var newHead = 0\n    var oldTail = oldVKids.length - 1\n    var newTail = newVKids.length - 1\n\n    isSvg = isSvg || newVNode.tag === \"svg\"\n\n    for (var i in { ...oldProps, ...newProps }) {\n      if (\n        (i === \"value\" || i === \"selected\" || i === \"checked\"\n          ? node[i]\n          : oldProps[i]) !== newProps[i]\n      ) {\n        patchProperty(node, i, oldProps[i], newProps[i], listener, isSvg)\n      }\n    }\n\n    while (newHead <= newTail && oldHead <= oldTail) {\n      if (\n        (oldKey = getKey(oldVKids[oldHead])) == null ||\n        oldKey !== getKey(newVKids[newHead])\n      ) {\n        break\n      }\n\n      patch(\n        node,\n        oldVKids[oldHead].node,\n        oldVKids[oldHead],\n        (newVKids[newHead] = maybeVNode(\n          newVKids[newHead++],\n          oldVKids[oldHead++]\n        )),\n        listener,\n        isSvg\n      )\n    }\n\n    while (newHead <= newTail && oldHead <= oldTail) {\n      if (\n        (oldKey = getKey(oldVKids[oldTail])) == null ||\n        oldKey !== getKey(newVKids[newTail])\n      ) {\n        break\n      }\n\n      patch(\n        node,\n        oldVKids[oldTail].node,\n        oldVKids[oldTail],\n        (newVKids[newTail] = maybeVNode(\n          newVKids[newTail--],\n          oldVKids[oldTail--]\n        )),\n        listener,\n        isSvg\n      )\n    }\n\n    if (oldHead > oldTail) {\n      while (newHead <= newTail) {\n        node.insertBefore(\n          createNode(\n            (newVKids[newHead] = maybeVNode(newVKids[newHead++])),\n            listener,\n            isSvg\n          ),\n          (oldVKid = oldVKids[oldHead]) && oldVKid.node\n        )\n      }\n    } else if (newHead > newTail) {\n      while (oldHead <= oldTail) {\n        node.removeChild(oldVKids[oldHead++].node)\n      }\n    } else {\n      for (var keyed = {}, newKeyed = {}, i = oldHead; i <= oldTail; i++) {\n        if ((oldKey = oldVKids[i].key) != null) {\n          keyed[oldKey] = oldVKids[i]\n        }\n      }\n\n      while (newHead <= newTail) {\n        oldKey = getKey((oldVKid = oldVKids[oldHead]))\n        newKey = getKey(\n          (newVKids[newHead] = maybeVNode(newVKids[newHead], oldVKid))\n        )\n\n        if (\n          newKeyed[oldKey] ||\n          (newKey != null && newKey === getKey(oldVKids[oldHead + 1]))\n        ) {\n          if (oldKey == null) {\n            node.removeChild(oldVKid.node)\n          }\n          oldHead++\n          continue\n        }\n\n        if (newKey == null || oldVNode.type === SSR_NODE) {\n          if (oldKey == null) {\n            patch(\n              node,\n              oldVKid && oldVKid.node,\n              oldVKid,\n              newVKids[newHead],\n              listener,\n              isSvg\n            )\n            newHead++\n          }\n          oldHead++\n        } else {\n          if (oldKey === newKey) {\n            patch(\n              node,\n              oldVKid.node,\n              oldVKid,\n              newVKids[newHead],\n              listener,\n              isSvg\n            )\n            newKeyed[newKey] = true\n            oldHead++\n          } else {\n            if ((tmpVKid = keyed[newKey]) != null) {\n              patch(\n                node,\n                node.insertBefore(tmpVKid.node, oldVKid && oldVKid.node),\n                tmpVKid,\n                newVKids[newHead],\n                listener,\n                isSvg\n              )\n              newKeyed[newKey] = true\n            } else {\n              patch(\n                node,\n                oldVKid && oldVKid.node,\n                null,\n                newVKids[newHead],\n                listener,\n                isSvg\n              )\n            }\n          }\n          newHead++\n        }\n      }\n\n      while (oldHead <= oldTail) {\n        if (getKey((oldVKid = oldVKids[oldHead++])) == null) {\n          node.removeChild(oldVKid.node)\n        }\n      }\n\n      for (var i in keyed) {\n        if (newKeyed[i] == null) {\n          node.removeChild(keyed[i].node)\n        }\n      }\n    }\n  }\n\n  return (newVNode.node = node)\n}\n\nvar propsChanged = (a, b) => {\n  for (var k in a) if (a[k] !== b[k]) return true\n  for (var k in b) if (a[k] !== b[k]) return true\n}\n\nvar maybeVNode = (newVNode, oldVNode) =>\n  newVNode !== true && newVNode !== false && newVNode\n    ? typeof newVNode.tag === \"function\"\n      ? ((!oldVNode ||\n          oldVNode.memo == null ||\n          propsChanged(oldVNode.memo, newVNode.memo)) &&\n          ((oldVNode = newVNode.tag(newVNode.memo)).memo = newVNode.memo),\n        oldVNode)\n      : newVNode\n    : text(\"\")\n\nvar recycleNode = (node) =>\n  node.nodeType === TEXT_NODE\n    ? text(node.nodeValue, node)\n    : createVNode(\n        node.nodeName.toLowerCase(),\n        EMPTY_OBJ,\n        map.call(node.childNodes, recycleNode),\n        SSR_NODE,\n        node\n      )\n\nvar createVNode = (tag, { key, ...props }, children, type, node) => ({\n  tag,\n  props,\n  key,\n  children,\n  type,\n  node,\n})\n\nexport var memo = (tag, memo) => ({ tag, memo })\n\nexport var text = (value, node) =>\n  createVNode(value, EMPTY_OBJ, EMPTY_ARR, TEXT_NODE, node)\n\nexport var h = (tag, { class: c, ...props }, children = EMPTY_ARR) =>\n  createVNode(\n    tag,\n    { ...props, ...(c ? { class: createClass(c) } : EMPTY_OBJ) },\n    isArray(children) ? children : [children]\n  )\n\nexport var app = ({\n  node,\n  view,\n  subscriptions,\n  dispatch = id,\n  init = EMPTY_OBJ,\n}) => {\n  var vdom = node && recycleNode(node)\n  var subs = []\n  var state\n  var busy\n\n  var update = (newState) => {\n    if (state !== newState) {\n      if ((state = newState) == null) dispatch = subscriptions = render = id\n      if (subscriptions) subs = patchSubs(subs, subscriptions(state), dispatch)\n      if (view && !busy) enqueue(render, (busy = true))\n    }\n  }\n\n  var render = () =>\n    (node = patch(\n      node.parentNode,\n      node,\n      vdom,\n      (vdom = view(state)),\n      listener,\n      (busy = false)\n    ))\n\n  var listener = function (event) {\n    dispatch(this.events[event.type], event)\n  }\n\n  return (\n    (dispatch = dispatch((action, props) =>\n      typeof action === \"function\"\n        ? dispatch(action(state, props))\n        : isArray(action)\n        ? typeof action[0] === \"function\"\n          ? dispatch(action[0], action[1])\n          : action\n              .slice(1)\n              .map(\n                (fx) => fx && fx !== true && (fx[0] || fx)(dispatch, fx[1]),\n                update(action[0])\n              )\n        : update(action)\n    ))(init),\n    dispatch\n  )\n}\n","import { app, h, Dispatch } from \"hyperapp\";\n\ninterface State {\n  clickEnabled: boolean;\n  liked: boolean;\n  likeUrl: string;\n  visible: boolean;\n}\n\nconst sendRequest = (url: string, method: string) => {\n  return fetch(url, {\n    method: method,\n    credentials: \"same-origin\",\n    headers: new Headers({\n      'X-CSRF-Token': getCsrfToken()\n    })\n  });\n};\n\nconst getCsrfToken = () => {\n  const tokenDom = document.querySelector(\"meta[name=csrf-token]\");\n  if (tokenDom) {\n    return tokenDom.getAttribute(\"content\") || \"\";\n  } else {\n    return \"\";\n  }\n}\n\nconst Enable = (state: State, clickEnabled: boolean) => ({ ...state, clickEnabled });\nconst SetIcon = (state: State, liked: boolean) => ({ ...state, liked });\nconst Like = (state: State) => [\n  state,\n  (dispatch: Dispatch<State>) => {\n    dispatch(Enable, false);\n    sendRequest(state.likeUrl, \"POST\")\n      .then(response => {\n        if (response.ok) {\n          dispatch(SetIcon, true);\n        } else {\n          dispatch(SetIcon, false);\n        }\n        dispatch(Enable, true);\n      }).catch(_ => {\n        alertError();\n        dispatch(Enable, true);\n      });\n  }\n];\nconst Unlike = (state: State) => [\n  state,\n  (dispatch: Dispatch<State>) => {\n    dispatch(Enable, false);\n    sendRequest(state.likeUrl, \"DELETE\")\n      .then(response => {\n        if (response.ok) {\n          dispatch(SetIcon, false);\n        } else {\n          dispatch(SetIcon, true);\n        }\n        dispatch(Enable, true);\n      }).catch(_ => {\n        alertError();\n        dispatch(Enable, true);\n      });\n  }\n];\n\nconst alertError = () =>\n  alert(\"An unexpected error occurred. Please try again later.\");\n\nconst init = (container: HTMLDivElement, likeUrl: string, liked: boolean, visible: boolean) => {\n  app({\n    init: {\n      clickEnabled: true,\n      liked: liked,\n      likeUrl: likeUrl,\n      visible: visible,\n    } as State,\n    view: (state) =>\n      h(\"span\", {\n        className: `${state.visible ? \"icon\" : \"\"} ${\n          state.liked ? \"icon-liked\" : \"icon-like\"\n        } ${state.clickEnabled ? \"\" : \"disabled\"}`,\n        // @ts-ignore\n        onclick: (state, event) => {\n          event.stopPropagation();\n          if (state.clickEnabled) {\n            if (state.liked) {\n              return Unlike;\n            } else {\n              return Like;\n            }\n          } else {\n            return state;\n          }\n        },\n      }, []),\n    node: container\n  })\n};\n\nconst container = document.querySelector<HTMLDivElement>(\"#like-component\");\nif (container && container.dataset.likeUrl) {\n  const likeUrl = container.dataset.likeUrl;\n  fetch(likeUrl, {\n    credentials: \"same-origin\",\n    headers: new Headers({\n      'X-CSRF-Token': getCsrfToken()\n    })\n  }).then(response => response.json())\n    .then(data => init(container, likeUrl, data.like.liked, true))\n    .catch(_ => init(container, likeUrl, false, false));\n}\n"],"names":["EMPTY_OBJ","EMPTY_ARR","id","a","map","isArray","Array","enqueue","requestAnimationFrame","setTimeout","createClass","obj","out","tmp","k","length","shouldRestart","b","getKey","vdom","key","patchProperty","node","oldValue","newValue","listener","isSvg","setProperty","events","slice","addEventListener","removeEventListener","removeAttribute","setAttribute","createNode","props","type","document","createTextNode","tag","createElementNS","is","createElement","i","children","appendChild","maybeVNode","patch","parent","oldVNode","newVNode","nodeValue","insertBefore","removeChild","tmpVKid","oldVKid","oldKey","newKey","oldProps","newProps","oldVKids","newVKids","oldHead","newHead","oldTail","newTail","keyed","newKeyed","memo","propsChanged","recycleNode","nodeType","createVNode","nodeName","toLowerCase","call","childNodes","value","app","view","subscriptions","dispatch","init","state","busy","subs","update","newState","render","oldSubs","newSubs","oldSub","newSub","push","patchSubs","parentNode","event","this","action","fx","sendRequest","url","method","fetch","credentials","headers","Headers","getCsrfToken","tokenDom","querySelector","getAttribute","Enable","clickEnabled","SetIcon","liked","Like","likeUrl","then","response","ok","catch","_","alertError","Unlike","alert","container","visible","class","c","h","className","onclick","stopPropagation","dataset","json","data","like"],"sourceRoot":""}