@ccalamos/gatsby-source-googlemaps-static
Version:
Gatsby source plugin for Google Maps Static API
147 lines (146 loc) • 6.76 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var crypto_1 = __importDefault(require("crypto"));
var helpers_1 = require("./helpers");
var create_file_1 = __importDefault(require("./create-file"));
var CacheFile = (function () {
function CacheFile(cache, hash) {
this.type = "";
this.hash = "";
this.guid = "";
this.cacheId = "";
this.isCached = false;
this.cache = cache;
this.setHash(hash);
this.checkCache();
}
CacheFile.prototype.getPath = function (store, url, ext) {
return __awaiter(this, void 0, void 0, function () {
var path;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!this.isCached)
return [2, this.getFile(url, store, ext)];
return [4, this.fetchCache()];
case 1:
path = _a.sent();
return [2, { path: path, hash: this.guid }];
}
});
});
};
CacheFile.prototype.getFile = function (url, store, ext) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2, new Promise(function (resolve) {
return resolve(_this.path
? { path: _this.path, hash: _this.hash }
: _this.downloadFile(url, store, ext));
})];
});
});
};
CacheFile.prototype.createFile = function (data, store, ext) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, create_file_1.default(data, store, ext, this.guid)];
});
});
};
CacheFile.prototype.downloadFile = function (url, store, ext) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2, helpers_1.fetch(url)
.then(function (buffer) { return _this.createFile(buffer, store, ext); })
.then(function (path) { return _this.setCache(path); })];
});
});
};
CacheFile.prototype.setHash = function (newHash) {
this.hash = newHash;
this.guid = this.generateGUID();
this.cacheId = "google-maps-static-cache-" + this.guid;
};
CacheFile.prototype.checkCache = function () {
return __awaiter(this, void 0, void 0, function () {
var cached;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, this.cache.get(this.cacheId)];
case 1:
cached = _a.sent();
this.isCached = !!cached;
if (cached) {
this.path = cached;
}
return [2];
}
});
});
};
CacheFile.prototype.setCache = function (path) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2, this.cache.set(this.cacheId, path).then(function () {
_this.path = path;
return { path: _this.path, hash: _this.hash };
})];
});
});
};
CacheFile.prototype.fetchCache = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, this.cache.get(this.cacheId)];
});
});
};
CacheFile.prototype.generateGUID = function () {
return crypto_1.default.createHash("sha256").update(this.hash).digest("hex");
};
return CacheFile;
}());
exports.default = CacheFile;