kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
74 lines (70 loc) • 11.7 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.parseRasterMetadata = parseRasterMetadata;
var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
// SPDX-License-Identifier: MIT
// Copyright contributors to the kepler.gl project
// Define these as regex to allow any semver major version 1
var EO_EXT_ID = /https:\/\/stac-extensions.github.io\/eo\/v1[\d.]+\/schema.json/;
var RASTER_EXT_ID = /https:\/\/stac-extensions.github.io\/raster\/v1[\d.]+\/schema.json/;
var ITEM_ASSETS_EXT_ID = /https:\/\/stac-extensions.github.io\/item-assets\/v1[\d.]+\/schema.json/;
function parseRasterMetadata(metadata, options) {
if (!metadata || (0, _typeof2["default"])(metadata) !== 'object') {
return null;
}
var error = validateSTAC(metadata, options);
if (error !== null) {
return error;
}
return metadata;
}
// eslint-disable-next-line complexity
function validateSTAC(stac, options) {
var _stac$stac_version;
var _options$allowCollect = options.allowCollections,
allowCollections = _options$allowCollect === void 0 ? false : _options$allowCollect;
// Note: If a STAC object fails validation, it will silently fail
if (typeof stac === 'string' || typeof stac === 'boolean' || typeof stac === 'number' || Array.isArray(stac) || !stac) {
return Error('Metadata must be an object.');
}
if (!allowCollections && (stac === null || stac === void 0 ? void 0 : stac.type) === 'Collection' || (stac === null || stac === void 0 ? void 0 : stac.type) === 'Catalog') {
return Error('Custom STAC Collections and Catalogs are not supported.');
}
if ((stac === null || stac === void 0 || (_stac$stac_version = stac.stac_version) === null || _stac$stac_version === void 0 ? void 0 : _stac$stac_version[0]) !== '1') {
return Error('STAC versions before 1.0.0 not supported.');
}
if ((stac === null || stac === void 0 ? void 0 : stac.type) !== 'Feature' && (stac === null || stac === void 0 ? void 0 : stac.type) !== 'Collection') {
return Error('Not a STAC Item or Collection.');
}
var isCollection = (stac === null || stac === void 0 ? void 0 : stac.type) === 'Collection';
var required_extensions = [EO_EXT_ID, RASTER_EXT_ID];
if (isCollection) {
required_extensions.push(ITEM_ASSETS_EXT_ID);
}
if (!Array.isArray(stac.stac_extensions) || !stac.stac_extensions.some(function (ext) {
return typeof ext === 'string' && EO_EXT_ID.exec(ext);
}) || !stac.stac_extensions.some(function (ext) {
return typeof ext === 'string' && RASTER_EXT_ID.exec(ext);
})) {
return Error('EO and Raster STAC extensions are required.');
}
if (isCollection && !stac.stac_extensions.some(function (ext) {
return typeof ext === 'string' && EO_EXT_ID.exec(ext);
})) {
return Error('item-assets STAC extension is required.');
}
var assets = isCollection ? stac === null || stac === void 0 ? void 0 : stac.item_assets : stac === null || stac === void 0 ? void 0 : stac.assets;
if (!assets || (0, _typeof2["default"])(assets) !== 'object') {
return Error('STAC object is missing asset information.');
}
if (!Object.values(assets).some(function (asset) {
return Array.isArray(asset === null || asset === void 0 ? void 0 : asset['eo:bands']) && Array.isArray(asset === null || asset === void 0 ? void 0 : asset['raster:bands']);
})) {
return Error('At least one STAC asset must have both eo:bands and raster:bands data.');
}
return null;
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["EO_EXT_ID","RASTER_EXT_ID","ITEM_ASSETS_EXT_ID","parseRasterMetadata","metadata","options","_typeof2","error","validateSTAC","stac","_stac$stac_version","_options$allowCollect","allowCollections","Array","isArray","Error","type","stac_version","isCollection","required_extensions","push","stac_extensions","some","ext","exec","assets","item_assets","Object","values","asset"],"sources":["../../src/tileset/raster-tile-utils.ts"],"sourcesContent":["// SPDX-License-Identifier: MIT\n// Copyright contributors to the kepler.gl project\n\nimport {JsonObjectOrArray, StacTypes} from '@kepler.gl/types';\n\n// Define these as regex to allow any semver major version 1\nconst EO_EXT_ID = /https:\\/\\/stac-extensions.github.io\\/eo\\/v1[\\d.]+\\/schema.json/;\nconst RASTER_EXT_ID = /https:\\/\\/stac-extensions.github.io\\/raster\\/v1[\\d.]+\\/schema.json/;\nconst ITEM_ASSETS_EXT_ID =\n  /https:\\/\\/stac-extensions.github.io\\/item-assets\\/v1[\\d.]+\\/schema.json/;\n\nexport function parseRasterMetadata(\n  metadata: JsonObjectOrArray,\n  options: {allowCollections: boolean}\n): StacTypes.CompleteSTACObject | Error | null {\n  if (!metadata || typeof metadata !== 'object') {\n    return null;\n  }\n\n  const error = validateSTAC(metadata, options);\n  if (error !== null) {\n    return error;\n  }\n\n  return metadata as StacTypes.CompleteSTACObject;\n}\n\n// eslint-disable-next-line complexity\nfunction validateSTAC(stac: JsonObjectOrArray, options: {allowCollections: boolean}): Error | null {\n  const {allowCollections = false} = options;\n\n  // Note: If a STAC object fails validation, it will silently fail\n  if (\n    typeof stac === 'string' ||\n    typeof stac === 'boolean' ||\n    typeof stac === 'number' ||\n    Array.isArray(stac) ||\n    !stac\n  ) {\n    return Error('Metadata must be an object.');\n  }\n\n  if ((!allowCollections && stac?.type === 'Collection') || stac?.type === 'Catalog') {\n    return Error('Custom STAC Collections and Catalogs are not supported.');\n  }\n\n  if (stac?.stac_version?.[0] !== '1') {\n    return Error('STAC versions before 1.0.0 not supported.');\n  }\n\n  if (stac?.type !== 'Feature' && stac?.type !== 'Collection') {\n    return Error('Not a STAC Item or Collection.');\n  }\n\n  const isCollection = stac?.type === 'Collection';\n\n  const required_extensions = [EO_EXT_ID, RASTER_EXT_ID];\n  if (isCollection) {\n    required_extensions.push(ITEM_ASSETS_EXT_ID);\n  }\n\n  if (\n    !Array.isArray(stac.stac_extensions) ||\n    !stac.stac_extensions.some(ext => typeof ext === 'string' && EO_EXT_ID.exec(ext)) ||\n    !stac.stac_extensions.some(ext => typeof ext === 'string' && RASTER_EXT_ID.exec(ext))\n  ) {\n    return Error('EO and Raster STAC extensions are required.');\n  }\n\n  if (\n    isCollection &&\n    !stac.stac_extensions.some(ext => typeof ext === 'string' && EO_EXT_ID.exec(ext))\n  ) {\n    return Error('item-assets STAC extension is required.');\n  }\n\n  const assets = isCollection ? stac?.item_assets : stac?.assets;\n  if (!assets || typeof assets !== 'object') {\n    return Error('STAC object is missing asset information.');\n  }\n\n  if (\n    !Object.values(assets).some(\n      asset => Array.isArray(asset?.['eo:bands']) && Array.isArray(asset?.['raster:bands'])\n    )\n  ) {\n    return Error('At least one STAC asset must have both eo:bands and raster:bands data.');\n  }\n\n  return null;\n}\n"],"mappings":";;;;;;;;AAAA;AACA;;AAIA;AACA,IAAMA,SAAS,GAAG,gEAAgE;AAClF,IAAMC,aAAa,GAAG,oEAAoE;AAC1F,IAAMC,kBAAkB,GACtB,yEAAyE;AAEpE,SAASC,mBAAmBA,CACjCC,QAA2B,EAC3BC,OAAoC,EACS;EAC7C,IAAI,CAACD,QAAQ,IAAI,IAAAE,QAAA,aAAOF,QAAQ,MAAK,QAAQ,EAAE;IAC7C,OAAO,IAAI;EACb;EAEA,IAAMG,KAAK,GAAGC,YAAY,CAACJ,QAAQ,EAAEC,OAAO,CAAC;EAC7C,IAAIE,KAAK,KAAK,IAAI,EAAE;IAClB,OAAOA,KAAK;EACd;EAEA,OAAOH,QAAQ;AACjB;;AAEA;AACA,SAASI,YAAYA,CAACC,IAAuB,EAAEJ,OAAoC,EAAgB;EAAA,IAAAK,kBAAA;EACjG,IAAAC,qBAAA,GAAmCN,OAAO,CAAnCO,gBAAgB;IAAhBA,gBAAgB,GAAAD,qBAAA,cAAG,KAAK,GAAAA,qBAAA;;EAE/B;EACA,IACE,OAAOF,IAAI,KAAK,QAAQ,IACxB,OAAOA,IAAI,KAAK,SAAS,IACzB,OAAOA,IAAI,KAAK,QAAQ,IACxBI,KAAK,CAACC,OAAO,CAACL,IAAI,CAAC,IACnB,CAACA,IAAI,EACL;IACA,OAAOM,KAAK,CAAC,6BAA6B,CAAC;EAC7C;EAEA,IAAK,CAACH,gBAAgB,IAAI,CAAAH,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEO,IAAI,MAAK,YAAY,IAAK,CAAAP,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEO,IAAI,MAAK,SAAS,EAAE;IAClF,OAAOD,KAAK,CAAC,yDAAyD,CAAC;EACzE;EAEA,IAAI,CAAAN,IAAI,aAAJA,IAAI,gBAAAC,kBAAA,GAAJD,IAAI,CAAEQ,YAAY,cAAAP,kBAAA,uBAAlBA,kBAAA,CAAqB,CAAC,CAAC,MAAK,GAAG,EAAE;IACnC,OAAOK,KAAK,CAAC,2CAA2C,CAAC;EAC3D;EAEA,IAAI,CAAAN,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEO,IAAI,MAAK,SAAS,IAAI,CAAAP,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEO,IAAI,MAAK,YAAY,EAAE;IAC3D,OAAOD,KAAK,CAAC,gCAAgC,CAAC;EAChD;EAEA,IAAMG,YAAY,GAAG,CAAAT,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEO,IAAI,MAAK,YAAY;EAEhD,IAAMG,mBAAmB,GAAG,CAACnB,SAAS,EAAEC,aAAa,CAAC;EACtD,IAAIiB,YAAY,EAAE;IAChBC,mBAAmB,CAACC,IAAI,CAAClB,kBAAkB,CAAC;EAC9C;EAEA,IACE,CAACW,KAAK,CAACC,OAAO,CAACL,IAAI,CAACY,eAAe,CAAC,IACpC,CAACZ,IAAI,CAACY,eAAe,CAACC,IAAI,CAAC,UAAAC,GAAG;IAAA,OAAI,OAAOA,GAAG,KAAK,QAAQ,IAAIvB,SAAS,CAACwB,IAAI,CAACD,GAAG,CAAC;EAAA,EAAC,IACjF,CAACd,IAAI,CAACY,eAAe,CAACC,IAAI,CAAC,UAAAC,GAAG;IAAA,OAAI,OAAOA,GAAG,KAAK,QAAQ,IAAItB,aAAa,CAACuB,IAAI,CAACD,GAAG,CAAC;EAAA,EAAC,EACrF;IACA,OAAOR,KAAK,CAAC,6CAA6C,CAAC;EAC7D;EAEA,IACEG,YAAY,IACZ,CAACT,IAAI,CAACY,eAAe,CAACC,IAAI,CAAC,UAAAC,GAAG;IAAA,OAAI,OAAOA,GAAG,KAAK,QAAQ,IAAIvB,SAAS,CAACwB,IAAI,CAACD,GAAG,CAAC;EAAA,EAAC,EACjF;IACA,OAAOR,KAAK,CAAC,yCAAyC,CAAC;EACzD;EAEA,IAAMU,MAAM,GAAGP,YAAY,GAAGT,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEiB,WAAW,GAAGjB,IAAI,aAAJA,IAAI,uBAAJA,IAAI,CAAEgB,MAAM;EAC9D,IAAI,CAACA,MAAM,IAAI,IAAAnB,QAAA,aAAOmB,MAAM,MAAK,QAAQ,EAAE;IACzC,OAAOV,KAAK,CAAC,2CAA2C,CAAC;EAC3D;EAEA,IACE,CAACY,MAAM,CAACC,MAAM,CAACH,MAAM,CAAC,CAACH,IAAI,CACzB,UAAAO,KAAK;IAAA,OAAIhB,KAAK,CAACC,OAAO,CAACe,KAAK,aAALA,KAAK,uBAALA,KAAK,CAAG,UAAU,CAAC,CAAC,IAAIhB,KAAK,CAACC,OAAO,CAACe,KAAK,aAALA,KAAK,uBAALA,KAAK,CAAG,cAAc,CAAC,CAAC;EAAA,CACvF,CAAC,EACD;IACA,OAAOd,KAAK,CAAC,wEAAwE,CAAC;EACxF;EAEA,OAAO,IAAI;AACb","ignoreList":[]}