Flush buffer rarely

1 year ago · 02296435b6
parent 4012b0ca05
commit 02296435b6
1 changed files with 3 additions and 2 deletions
--- a/npm/index.js
+++ b/npm/index.js
@ -177,7 +177,8 @@ function* parseJson(stdin) {
  function next() {
    ({value: lastChar, done} = stdin.next())
    if (lastChar === '\n') lineNumber++
-    buffer = buffer.slice(-40) + (lastChar || '')
+    buffer += (lastChar || '')
+    if (buffer.length > 100) buffer = buffer.slice(-40)
  }

  next()
@ -412,7 +413,7 @@ function* parseJson(stdin) {
    if (!lastChar) {
      message = 'Unexpected end of input'
    }
-    const lines = buffer.split('\n')
+    const lines = buffer.slice(-40).split('\n')
    const lastLine = lines.pop()
    const source =
      lines.map(line => `    ${line}\n`).join('')