/
adb.ts
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/
adb.ts
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import { spawn, execFileSync, ChildProcess } from 'child_process';
import path from 'path';
import {
CodeError,
ERR_ANDROID_UNPROCESSABLE_PID,
ERR_ANDROID_CANNOT_GET_APP_PID,
ERR_ANDROID_CANNOT_CLEAN_LOGCAT_BUFFER,
ERR_ANDROID_CANNOT_START_LOGCAT,
} from '../errors';
export function runAndroidLoggingProcess(adbPath?: string): ChildProcess {
const execPath = getAdbPath(adbPath);
return spawnLogcatProcess(execPath);
}
export function getAdbPath(customPath?: string): string {
if (customPath) {
return path.resolve(customPath);
}
return process.env.ANDROID_HOME
? `${process.env.ANDROID_HOME}/platform-tools/adb`
: 'adb';
}
export function spawnLogcatProcess(adbPath: string): ChildProcess {
try {
execFileSync(adbPath, ['logcat', '-c']);
} catch (error) {
throw new CodeError(
ERR_ANDROID_CANNOT_CLEAN_LOGCAT_BUFFER,
(error as Error).message
);
}
try {
return spawn(adbPath, ['logcat', '-v', 'time', 'process', 'tag'], {
stdio: 'pipe',
});
} catch (error) {
throw new CodeError(
ERR_ANDROID_CANNOT_START_LOGCAT,
(error as Error).message
);
}
}
export function getApplicationPid(
applicationId: string,
adbPath?: string
): number {
let output: Buffer | String | undefined;
try {
output = execFileSync(getAdbPath(adbPath), [
'shell',
'pidof',
'-s',
applicationId,
]);
} catch (error) {
throw new CodeError(
ERR_ANDROID_CANNOT_GET_APP_PID,
(error as Error).message
);
}
const pid = output ? parseInt(output.toString(), 10) : NaN;
if (isNaN(pid)) {
throw new CodeError(ERR_ANDROID_UNPROCESSABLE_PID);
}
return pid;
}