本文整理汇总了TypeScript中graceful-fs.createWriteStream函数的典型用法代码示例。如果您正苦于以下问题：TypeScript createWriteStream函数的具体用法？TypeScript createWriteStream怎么用？TypeScript createWriteStream使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了createWriteStream函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: function
return new Promise<string>((resolve, reject) => {
let zipFileName = "geoserver_" + requestTimestamp.toString() + ".zip";
let zipFilePath = config.get("save_path") + zipFileName;
let zipStream = fs.createWriteStream(zipFilePath);
let archive = archiver.create("zip", {});
zipStream.on("close", function() {
resolve(zipFileName);
});
archive.on("error", (err: any) => {
reject(err);
});
archive.pipe(zipStream);
for (let fileName of filesToZip) {
let fileNameWithoutTimestamp = fileName.replace(/[0-9]/g, "");
let fn = config.get("save_path") + fileName;
archive.append(fs.createReadStream(fn), { name: fileNameWithoutTimestamp });
fs.unlink(fn, (err: any) => {
if (err) throw err;
});
}
archive.finalize();
});示例2:
app.get("/pop/fgdc", (req, res) => {
console.log("get /dot/fgdc");
let filePath = config.get("metadata_path") + "USA-NPN_Phenology_observation_data.xml";
let file = fs.createWriteStream(filePath);
let gitUrl = "https://raw.githubusercontent.com/usa-npn/metadata/master/USA-NPN_Phenology_observation_data.xml";
https.get(gitUrl, (gitResponse: any) => {
gitResponse.pipe(file);
file.on("finish", () => {
res.download(filePath, "USA-NPN_Phenology_observation_data.xml"); // Set disposition and send it.
});
});
});示例3: resolve
return new Promise<string>( (resolve, reject) => {
let fileName = prefix + requestTimestamp + "." + extension;
let filePath = config.get("save_path") + fileName;
let file = fs.createWriteStream(filePath);
https.get(url, (metaResponse: any) => {
metaResponse.pipe(file);
metaResponse.on('end', () => {
resolve(fileName);
});
});
});示例4: if
return new Promise<string>((resolve, reject) => {
let zipFileName = "datasheet_" + requestTimestamp.toString() + ".zip";
let zipFilePath = config.get("save_path") + zipFileName;
let zipStream = fs.createWriteStream(zipFilePath);
let archive = archiver.create("zip", {});
zipStream.on("close", function() {
console.log("All files are zipped!");
resolve(zipFileName);
});
archive.on("error", (err: any) => {
reject(err);
});
archive.pipe(zipStream);
for (let fileName of filesToZip) {
let fileNameWithoutTimestamp = fileName.replace(/[0-9]/g, "");
archive.append(fs.createReadStream(config.get("save_path") + fileName), { name: fileNameWithoutTimestamp });
}
if (downloadType === "Status and Intensity" && fs.existsSync(config.get("metadata_path") + "status_intensity_datafield_descriptions.xlsx")) {
archive.append(fs.createReadStream(config.get("metadata_path") + "status_intensity_datafield_descriptions.xlsx"), { name: "status_intensity_datafield_descriptions.xlsx" });
}
else if (downloadType === "Site Phenometrics" && fs.existsSync(config.get("metadata_path") + "site_phenometrics_datafield_descriptions.xlsx")) {
archive.append(fs.createReadStream(config.get("metadata_path") + "site_phenometrics_datafield_descriptions.xlsx"), { name: "site_phenometrics_datafield_descriptions.xlsx" });
}
else if (downloadType === "Individual Phenometrics" && fs.existsSync(config.get("metadata_path") + "individual_phenometrics_datafield_descriptions.xlsx")) {
archive.append(fs.createReadStream(config.get("metadata_path") + "individual_phenometrics_datafield_descriptions.xlsx"), { name: "individual_phenometrics_datafield_descriptions.xlsx" });
}else if (downloadType === "Magnitude Phenometrics" && fs.existsSync(config.get("metadata_path") + "magnitude_phenometrics_datafield_descriptions.xlsx")) {
archive.append(fs.createReadStream(config.get("metadata_path") + "magnitude_phenometrics_datafield_descriptions.xlsx"), { name: "magnitude_phenometrics_datafield_descriptions.xlsx" });
}
if (filesToZip.length > 2 && fs.existsSync(config.get("metadata_path") + "ancillary_datafield_descriptions.xlsx")) {
archive.append(fs.createReadStream(config.get("metadata_path") + "ancillary_datafield_descriptions.xlsx"), { name: "ancillary_datafield_descriptions.xlsx" });
}
archive.finalize();
});示例5: express
let pool = mysql.createPool({
connectionLimit : 20,
host : config.get("mysql_host") as string,
user : config.get("mysql_user") as string,
password : config.get("mysql_password") as string,
database : config.get("mysql_database") as string,
debug : false
});
let app = express();
// allows us to consume json from post requests
app.use(bodyParser.json());
// create a write stream (in append mode) and set up a log to record requests
let accessLogStream = fs.createWriteStream(path.join(config.get("logs_path").toString(), "access.log"), {flags: "a"});
app.use(morgan("combined", {stream: accessLogStream}));
let log = bunyan.createLogger({
name: "dot_service",
streams: [
{
level: "info",
path: path.join(config.get("logs_path").toString(), "info.log")
},
{
level: "error",
path: path.join(config.get("logs_path").toString(), "error.log")
}
]
});