mbtiles-terrain-server
Version:
Import terrain tiles from a folder, and serve them either as TMS or slippy maps.
179 lines • 8 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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 = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, 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 _this = this;
Object.defineProperty(exports, "__esModule", { value: true });
var fs = require("fs");
var path = require("path");
var async_1 = require("async");
exports.logger = function (verbose) {
var info = function (msg) { return verbose ? console.log(msg) : null; };
var error = function (msg) { return console.error(msg); };
return { info: info, error: error };
};
exports.walk = function (dir, done) {
dir = path.resolve(dir);
if (!fs.existsSync(dir)) {
return done(new Error("Folder " + dir + " does not exist!"));
}
var results = [];
fs.readdir(dir, function (err, list) {
if (err) {
return done(err);
}
var pending = list.length;
if (!pending) {
return done(null, results);
}
list.forEach(function (file) {
file = path.resolve(dir, file);
fs.stat(file, function (err, stat) {
if (stat && stat.isDirectory()) {
exports.walk(file, function (err, res) {
results = results.concat(res);
if (!--pending) {
done(null, results);
}
});
}
else {
results.push(file);
if (!--pending) {
done(null, results);
}
}
});
});
});
};
exports.walkTest = function (dir, regex, done) {
dir = path.resolve(dir);
if (!fs.existsSync(dir)) {
return done(new Error("Folder " + dir + " does not exist!"));
}
var results = [];
fs.readdir(dir, function (err, list) {
if (err) {
return done(err);
}
var pending = list.length;
if (!pending) {
return done(null, results);
}
async_1.eachLimit(list, 10, function (file, limitReached) {
file = path.resolve(dir, file);
fs.stat(file, function (err, stat) {
limitReached();
if (stat && stat.isDirectory()) {
exports.walkTest(file, regex, function (err, res) {
results = results.concat(res);
if (!--pending) {
done(null, results);
}
});
}
else {
if (regex.test(file)) {
results.push(file);
}
if (!--pending) {
done(null, results);
}
}
});
});
});
};
exports.walkTalk = function (dir, limit, regex, process, done) { return __awaiter(_this, void 0, void 0, function () {
var _this = this;
var count;
return __generator(this, function (_a) {
dir = path.resolve(dir);
count = 0;
if (!fs.existsSync(dir)) {
return [2, done(new Error("Folder " + dir + " does not exist!"), 0)];
}
fs.readdir(dir, function (err, files) {
if (err) {
return done(err, count);
}
var pending = files.length;
if (!pending) {
return done(null, count);
}
async_1.eachLimit(files, limit, function (file, limitReached) { return __awaiter(_this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
file = path.resolve(dir, file);
fs.stat(file, function (err, stat) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(stat && stat.isDirectory())) return [3, 1];
exports.walkTalk(file, limit, regex, process, function (err, counted) {
count += counted;
limitReached();
if (!--pending) {
done(null, count);
}
});
return [3, 4];
case 1:
if (!regex.test(file)) return [3, 3];
count++;
return [4, process(file)];
case 2:
_a.sent();
_a.label = 3;
case 3:
limitReached();
if (!--pending) {
done(null, count);
}
_a.label = 4;
case 4: return [2];
}
});
}); });
return [2];
});
}); });
});
return [2];
});
}); };
exports.tms2slippy = function (z, y) { return Math.pow(2, z) - y - 1; };
//# sourceMappingURL=utils.js.map