@patternplate/client/lib/server.js

Universal javascript client application for patternplate

Function.prototype.$asyncbind = function $asyncbind(self, catcher) {
  "use strict";

  if (!Function.prototype.$asyncbind) {
    Object.defineProperty(Function.prototype, "$asyncbind", {
      value: $asyncbind,
      enumerable: false,
      configurable: true,
      writable: true
    });
  }

  if (!$asyncbind.trampoline) {
    $asyncbind.trampoline = function trampoline(t, x, s, e, u) {
      return function b(q) {
        while (q) {
          if (q.then) {
            q = q.then(b, e);
            return u ? undefined : q;
          }

          try {
            if (q.pop) {
              if (q.length) return q.pop() ? x.call(t) : q;
              q = s;
            } else q = q.call(t);
          } catch (r) {
            return e(r);
          }
        }
      };
    };
  }

  if (!$asyncbind.LazyThenable) {
    $asyncbind.LazyThenable = function () {
      function isThenable(obj) {
        return obj && obj instanceof Object && typeof obj.then === "function";
      }

      function resolution(p, r, how) {
        try {
          var x = how ? how(r) : r;
          if (p === x) return p.reject(new TypeError("Promise resolution loop"));

          if (isThenable(x)) {
            x.then(function (y) {
              resolution(p, y);
            }, function (e) {
              p.reject(e);
            });
          } else {
            p.resolve(x);
          }
        } catch (ex) {
          p.reject(ex);
        }
      }

      function Chained() {}

      ;
      Chained.prototype = {
        resolve: _unchained,
        reject: _unchained,
        then: thenChain
      };

      function _unchained(v) {}

      function thenChain(res, rej) {
        this.resolve = res;
        this.reject = rej;
      }

      function then(res, rej) {
        var chain = new Chained();

        try {
          this._resolver(function (value) {
            return isThenable(value) ? value.then(res, rej) : resolution(chain, value, res);
          }, function (ex) {
            resolution(chain, ex, rej);
          });
        } catch (ex) {
          resolution(chain, ex, rej);
        }

        return chain;
      }

      function Thenable(resolver) {
        this._resolver = resolver;
        this.then = then;
      }

      ;

      Thenable.resolve = function (v) {
        return Thenable.isThenable(v) ? v : {
          then: function then(resolve) {
            return resolve(v);
          }
        };
      };

      Thenable.isThenable = isThenable;
      return Thenable;
    }();

    $asyncbind.EagerThenable = $asyncbind.Thenable = ($asyncbind.EagerThenableFactory = function (tick) {
      tick = tick || typeof process === "object" && process.nextTick || typeof setImmediate === "function" && setImmediate || function (f) {
        setTimeout(f, 0);
      };

      var soon = function () {
        var fq = [],
            fqStart = 0,
            bufferSize = 1024;

        function callQueue() {
          while (fq.length - fqStart) {
            try {
              fq[fqStart]();
            } catch (ex) {}

            fq[fqStart++] = undefined;

            if (fqStart === bufferSize) {
              fq.splice(0, bufferSize);
              fqStart = 0;
            }
          }
        }

        return function (fn) {
          fq.push(fn);
          if (fq.length - fqStart === 1) tick(callQueue);
        };
      }();

      function Zousan(func) {
        if (func) {
          var me = this;
          func(function (arg) {
            me.resolve(arg);
          }, function (arg) {
            me.reject(arg);
          });
        }
      }

      Zousan.prototype = {
        resolve: function resolve(value) {
          if (this.state !== undefined) return;
          if (value === this) return this.reject(new TypeError("Attempt to resolve promise with self"));
          var me = this;

          if (value && (typeof value === "function" || typeof value === "object")) {
            try {
              var first = 0;
              var then = value.then;

              if (typeof then === "function") {
                then.call(value, function (ra) {
                  if (!first++) {
                    me.resolve(ra);
                  }
                }, function (rr) {
                  if (!first++) {
                    me.reject(rr);
                  }
                });
                return;
              }
            } catch (e) {
              if (!first) this.reject(e);
              return;
            }
          }

          this.state = STATE_FULFILLED;
          this.v = value;
          if (me.c) soon(function () {
            for (var n = 0, l = me.c.length; n < l; n++) STATE_FULFILLED(me.c[n], value);
          });
        },
        reject: function reject(reason) {
          if (this.state !== undefined) return;
          this.state = STATE_REJECTED;
          this.v = reason;
          var clients = this.c;
          if (clients) soon(function () {
            for (var n = 0, l = clients.length; n < l; n++) STATE_REJECTED(clients[n], reason);
          });
        },
        then: function then(onF, onR) {
          var p = new Zousan();
          var client = {
            y: onF,
            n: onR,
            p: p
          };

          if (this.state === undefined) {
            if (this.c) this.c.push(client);else this.c = [client];
          } else {
            var s = this.state,
                a = this.v;
            soon(function () {
              s(client, a);
            });
          }

          return p;
        }
      };

      function STATE_FULFILLED(c, arg) {
        if (typeof c.y === "function") {
          try {
            var yret = c.y.call(undefined, arg);
            c.p.resolve(yret);
          } catch (err) {
            c.p.reject(err);
          }
        } else c.p.resolve(arg);
      }

      function STATE_REJECTED(c, reason) {
        if (typeof c.n === "function") {
          try {
            var yret = c.n.call(undefined, reason);
            c.p.resolve(yret);
          } catch (err) {
            c.p.reject(err);
          }
        } else c.p.reject(reason);
      }

      Zousan.resolve = function (val) {
        if (val && val instanceof Zousan) return val;
        var z = new Zousan();
        z.resolve(val);
        return z;
      };

      Zousan.reject = function (err) {
        if (err && err instanceof Zousan) return err;
        var z = new Zousan();
        z.reject(err);
        return z;
      };

      Zousan.version = "2.3.3-nodent";
      return Zousan;
    })();
  }

  var resolver = this;

  switch (catcher) {
    case true:
      return new $asyncbind.Thenable(boundThen);

    case 0:
      return new $asyncbind.LazyThenable(boundThen);

    case undefined:
      boundThen.then = boundThen;
      return boundThen;

    default:
      return function () {
        try {
          return resolver.apply(self, arguments);
        } catch (ex) {
          return catcher(ex);
        }
      };
  }

  function boundThen() {
    return resolver.apply(self, arguments);
  }
};

function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }

const path = require("path");

const _require = require("@patternplate/api"),
      api = _require.api;

const _require2 = require("@patternplate/load-docs"),
      loadDocsTree = _require2.loadDocsTree;

const _require3 = require("@patternplate/load-meta"),
      loadMeta = _require3.loadMeta;

const express = require("express");

const serve = require("serve-static");

const fetch = require("isomorphic-fetch");

const cors = require("cors");

const render = require("./render");

module.exports = client;

function client(options) {
  return new Promise(function ($return, $error) {
    var apiRoute, mainRoute, apiStatic, app, appStatic;
    return api({
      cwd: options.cwd,
      config: options.config,
      server: options.server
    }).then(function ($await_5) {
      apiRoute = $await_5;
      return main({
        cwd: options.cwd,
        config: options.config
      }).then(function ($await_6) {
        mainRoute = $await_6;
        apiStatic = path.join(options.cwd, "static");
        app = express().use("/api/static", cors(), serve(apiStatic)).use("/api/", apiRoute.middleware).get("/pattern/*", mainRoute).get("/doc/*", mainRoute).get("/", mainRoute);
        appStatic = path.join(__dirname, "static");
        app.use("/static", serve(appStatic));
        app.subscribe = apiRoute.subscribe;
        app.unsubscribe = apiRoute.unsubscribe;
        return $return(app);
      }.$asyncbind(this, $error), $error);
    }.$asyncbind(this, $error), $error);
  }.$asyncbind(this));
}

function main(options) {
  return new Promise(function ($return, $error) {
    return $return(function mainRoute(req, res, next) {
      return new Promise(function ($return, $error) {
        var _options$config, _options$config$entry, entry, cover, base, response, _ref, _ref2, docs, patterns, tree, rendering;

        var $Try_3_Post = function () {
          return $return();
        }.$asyncbind(this, $error);

        var $Try_3_Catch = function (err) {
          next(err);
          return $Try_3_Post();
        }.$asyncbind(this, $error);

        try {
          _options$config = options.config, _options$config$entry = _options$config.entry, entry = _options$config$entry === void 0 ? [] : _options$config$entry, cover = _options$config.cover;
          base = options.base || "/";

          if (req.path === base && typeof cover === "string") {
            return fetch(`${req.protocol}://${req.get("host")}/api/cover.html?base=${base}`, {
              credentials: "include"
            }).then(function ($await_7) {
              response = $await_7;
              return response.text().then(function ($await_8) {
                return $return(res.send($await_8));
              }.$asyncbind(this, $Try_3_Catch), $Try_3_Catch);
            }.$asyncbind(this, $Try_3_Catch), $Try_3_Catch);
          }

          return Promise.all([loadDocsTree({
            cwd: options.cwd,
            docs: options.config.docs,
            readme: options.config.readme
          }), loadMeta({
            cwd: options.cwd,
            entry
          })]).then(function ($await_9) {
            _ref = $await_9, _ref2 = _slicedToArray(_ref, 2), docs = _ref2[0], patterns = _ref2[1].patterns;
            tree = {
              id: "root",
              children: patterns
            };
            return render(req.url, {
              schema: {
                meta: tree,
                docs
              },
              config: options.config,
              base
            }).then(function ($await_10) {
              rendering = $await_10;
              res.status(rendering.status);
              res.send(rendering.contents);
              return $Try_3_Post();
            }.$asyncbind(this, $Try_3_Catch), $Try_3_Catch);
          }.$asyncbind(this, $Try_3_Catch), $Try_3_Catch);
        } catch (err) {
          $Try_3_Catch(err)
        }
      }.$asyncbind(this));
    });
  }.$asyncbind(this));
}
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