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import { spawn } from "child_process";
const readLinux = (): Promise<string> => {
let stdout = "",
stderr = "";
return new Promise((resolve) => {
const xsel = spawn("xsel", ["--clipboard", "--output"]);
xsel.stdout.on("data", (data) => {
stdout += data;
});
xsel.stderr.on("data", (data) => {
stderr += data;
});
xsel.on("close", (code) => {
if (code !== 0) {
throw new Error(`xsel returns ${code}: ${stderr}`);
}
resolve(stdout);
});
});
};
const writeLinux = (data: string): Promise<void> => {
let stderr = "";
return new Promise((resolve) => {
const xsel = spawn("xsel", ["--clipboard", "--input"]);
xsel.stderr.on("data", (data) => {
stderr += data;
});
xsel.on("close", (code) => {
if (code !== 0) {
throw new Error(`xsel returns ${code}: ${stderr}`);
}
resolve();
});
xsel.stdin.write(data);
xsel.stdin.end();
});
};
const readDarwin = (): Promise<string> => {
let stdout = "",
stderr = "";
return new Promise((resolve) => {
const pbpaste = spawn("pbpaste");
pbpaste.stdout.on("data", (data) => {
stdout += data;
});
pbpaste.stderr.on("data", (data) => {
stderr += data;
});
pbpaste.on("close", (code) => {
if (code !== 0) {
throw new Error(`pbpaste returns ${code}: ${stderr}`);
}
resolve(stdout);
});
});
};
const writeDarwin = (data: string): Promise<void> => {
let stderr = "";
return new Promise((resolve) => {
const pbcopy = spawn("pbcopy");
pbcopy.stderr.on("data", (data) => {
stderr += data;
});
pbcopy.on("close", (code) => {
if (code !== 0) {
throw new Error(`pbcopy returns ${code}: ${stderr}`);
}
resolve();
});
pbcopy.stdin.write(data);
pbcopy.stdin.end();
});
};
class UnsupportedError extends Error {
constructor(platform: string) {
super();
this.message = `Unsupported platform: ${platform}`;
}
}
const read = () => {
switch (process.platform) {
case "linux":
return readLinux();
case "darwin":
return readDarwin();
}
throw new UnsupportedError(process.platform);
};
const write = (data: string) => {
switch (process.platform) {
case "linux":
return writeLinux(data);
case "darwin":
return writeDarwin(data);
}
throw new UnsupportedError(process.platform);
};
export { read, write };
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