File size: 1,645 Bytes
fc93158 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | export function captureEnv(keys: string[]) {
const snapshot = new Map<string, string | undefined>();
for (const key of keys) {
snapshot.set(key, process.env[key]);
}
return {
restore() {
for (const [key, value] of snapshot) {
if (value === undefined) {
delete process.env[key];
} else {
process.env[key] = value;
}
}
},
};
}
function applyEnvValues(env: Record<string, string | undefined>): void {
for (const [key, value] of Object.entries(env)) {
if (value === undefined) {
delete process.env[key];
} else {
process.env[key] = value;
}
}
}
export function captureFullEnv() {
const snapshot: Record<string, string | undefined> = { ...process.env };
return {
restore() {
for (const key of Object.keys(process.env)) {
if (!(key in snapshot)) {
delete process.env[key];
}
}
for (const [key, value] of Object.entries(snapshot)) {
if (value === undefined) {
delete process.env[key];
} else {
process.env[key] = value;
}
}
},
};
}
export function withEnv<T>(env: Record<string, string | undefined>, fn: () => T): T {
const snapshot = captureEnv(Object.keys(env));
try {
applyEnvValues(env);
return fn();
} finally {
snapshot.restore();
}
}
export async function withEnvAsync<T>(
env: Record<string, string | undefined>,
fn: () => Promise<T>,
): Promise<T> {
const snapshot = captureEnv(Object.keys(env));
try {
applyEnvValues(env);
return await fn();
} finally {
snapshot.restore();
}
}
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