gdal-async
Version:
Bindings to GDAL (Geospatial Data Abstraction Library) with full async support
136 lines • 4.89 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.list = exports.filesFilter = void 0;
// tar -t
const fsm = __importStar(require("@isaacs/fs-minipass"));
const node_fs_1 = __importDefault(require("node:fs"));
const path_1 = require("path");
const make_command_js_1 = require("./make-command.js");
const parse_js_1 = require("./parse.js");
const strip_trailing_slashes_js_1 = require("./strip-trailing-slashes.js");
const onReadEntryFunction = (opt) => {
const onReadEntry = opt.onReadEntry;
opt.onReadEntry =
onReadEntry ?
e => {
onReadEntry(e);
e.resume();
}
: e => e.resume();
};
// construct a filter that limits the file entries listed
// include child entries if a dir is included
const filesFilter = (opt, files) => {
const map = new Map(files.map(f => [(0, strip_trailing_slashes_js_1.stripTrailingSlashes)(f), true]));
const filter = opt.filter;
const mapHas = (file, r = '') => {
const root = r || (0, path_1.parse)(file).root || '.';
let ret;
if (file === root)
ret = false;
else {
const m = map.get(file);
if (m !== undefined) {
ret = m;
}
else {
ret = mapHas((0, path_1.dirname)(file), root);
}
}
map.set(file, ret);
return ret;
};
opt.filter =
filter ?
(file, entry) => filter(file, entry) && mapHas((0, strip_trailing_slashes_js_1.stripTrailingSlashes)(file))
: file => mapHas((0, strip_trailing_slashes_js_1.stripTrailingSlashes)(file));
};
exports.filesFilter = filesFilter;
const listFileSync = (opt) => {
const p = new parse_js_1.Parser(opt);
const file = opt.file;
let fd;
try {
const stat = node_fs_1.default.statSync(file);
const readSize = opt.maxReadSize || 16 * 1024 * 1024;
if (stat.size < readSize) {
p.end(node_fs_1.default.readFileSync(file));
}
else {
let pos = 0;
const buf = Buffer.allocUnsafe(readSize);
fd = node_fs_1.default.openSync(file, 'r');
while (pos < stat.size) {
const bytesRead = node_fs_1.default.readSync(fd, buf, 0, readSize, pos);
pos += bytesRead;
p.write(buf.subarray(0, bytesRead));
}
p.end();
}
}
finally {
if (typeof fd === 'number') {
try {
node_fs_1.default.closeSync(fd);
/* c8 ignore next */
}
catch (er) { }
}
}
};
const listFile = (opt, _files) => {
const parse = new parse_js_1.Parser(opt);
const readSize = opt.maxReadSize || 16 * 1024 * 1024;
const file = opt.file;
const p = new Promise((resolve, reject) => {
parse.on('error', reject);
parse.on('end', resolve);
node_fs_1.default.stat(file, (er, stat) => {
if (er) {
reject(er);
}
else {
const stream = new fsm.ReadStream(file, {
readSize: readSize,
size: stat.size,
});
stream.on('error', reject);
stream.pipe(parse);
}
});
});
return p;
};
exports.list = (0, make_command_js_1.makeCommand)(listFileSync, listFile, opt => new parse_js_1.Parser(opt), opt => new parse_js_1.Parser(opt), (opt, files) => {
if (files?.length)
(0, exports.filesFilter)(opt, files);
if (!opt.noResume)
onReadEntryFunction(opt);
});
//# sourceMappingURL=list.js.map