Feed the stdout async-iterable into the shared line queue.
()
| 92 | |
| 93 | /** Feed the stdout async-iterable into the shared line queue. */ |
| 94 | async function drainStdout(): Promise<void> { |
| 95 | let partial = '' |
| 96 | for await (const chunk of proc.stdout) { |
| 97 | partial += chunk |
| 98 | const parts = partial.split('\n') |
| 99 | // All but the last element are complete lines. |
| 100 | for (let i = 0; i < parts.length - 1; i++) { |
| 101 | const line = parts[i] as string |
| 102 | const resolver = pending.shift() |
| 103 | if (resolver !== undefined) { |
| 104 | resolver(line) |
| 105 | } else { |
| 106 | lineBuffer.push(line) |
| 107 | } |
| 108 | } |
| 109 | partial = parts[parts.length - 1] as string |
| 110 | } |
| 111 | // Flush any trailing partial line. |
| 112 | if (partial.length > 0) { |
| 113 | const line = partial |
| 114 | const resolver = pending.shift() |
| 115 | if (resolver !== undefined) { |
| 116 | resolver(line) |
| 117 | } else { |
| 118 | lineBuffer.push(line) |
| 119 | } |
| 120 | } |
| 121 | streamDone = true |
| 122 | // Resolve any remaining waiters with an empty sentinel so they unblock. |
| 123 | for (const resolver of pending) { |
| 124 | resolver('') |
| 125 | } |
| 126 | pending = [] |
| 127 | } |
| 128 | |
| 129 | // Start draining immediately; do NOT await — runs concurrently. |
| 130 | const drainPromise = drainStdout() |
no test coverage detected