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a5e3432f85
Assign ownership to many of the remaining libs/common files. Criteria for ownership: * Files used by a single team, is now owned by that team. * Files related to a domain owned by a team is now owned by that team. * Where ownership is unclear the "lowest level" service takes ownership.
35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
import * as fs from "fs";
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import * as path from "path";
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import * as readline from "readline";
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export class NodeUtils {
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static mkdirpSync(targetDir: string, mode = "700", relative = false, relativeDir: string = null) {
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const initialDir = path.isAbsolute(targetDir) ? path.sep : "";
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const baseDir = relative ? (relativeDir != null ? relativeDir : __dirname) : ".";
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targetDir.split(path.sep).reduce((parentDir, childDir) => {
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const dir = path.resolve(baseDir, parentDir, childDir);
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if (!fs.existsSync(dir)) {
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fs.mkdirSync(dir, mode);
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}
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return dir;
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}, initialDir);
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}
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static readFirstLine(fileName: string) {
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return new Promise<string>((resolve, reject) => {
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const readStream = fs.createReadStream(fileName, { encoding: "utf8" });
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const readInterface = readline.createInterface(readStream);
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readInterface
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.on("line", (line) => {
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readStream.close();
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resolve(line);
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})
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.on("error", (err) => reject(err));
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});
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}
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// https://stackoverflow.com/a/31394257
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static bufferToArrayBuffer(buf: Buffer): ArrayBuffer {
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return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
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}
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}
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