gdal-async
Version:
Bindings to GDAL (Geospatial Data Abstraction Library) with full async support
78 lines • 3.12 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.extract = void 0;
// tar -x
const fsm = __importStar(require("@isaacs/fs-minipass"));
const node_fs_1 = __importDefault(require("node:fs"));
const list_js_1 = require("./list.js");
const make_command_js_1 = require("./make-command.js");
const unpack_js_1 = require("./unpack.js");
const extractFileSync = (opt) => {
const u = new unpack_js_1.UnpackSync(opt);
const file = opt.file;
const stat = node_fs_1.default.statSync(file);
// This trades a zero-byte read() syscall for a stat
// However, it will usually result in less memory allocation
const readSize = opt.maxReadSize || 16 * 1024 * 1024;
const stream = new fsm.ReadStreamSync(file, {
readSize: readSize,
size: stat.size,
});
stream.pipe(u);
};
const extractFile = (opt, _) => {
const u = new unpack_js_1.Unpack(opt);
const readSize = opt.maxReadSize || 16 * 1024 * 1024;
const file = opt.file;
const p = new Promise((resolve, reject) => {
u.on('error', reject);
u.on('close', resolve);
// This trades a zero-byte read() syscall for a stat
// However, it will usually result in less memory allocation
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(u);
}
});
});
return p;
};
exports.extract = (0, make_command_js_1.makeCommand)(extractFileSync, extractFile, opt => new unpack_js_1.UnpackSync(opt), opt => new unpack_js_1.Unpack(opt), (opt, files) => {
if (files?.length)
(0, list_js_1.filesFilter)(opt, files);
});
//# sourceMappingURL=extract.js.map