Tracking de l'application VApp (IHM du jeu)

VApp/node_modules/readable-stream/lib/internal/streams/state.js

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+'use strict'
+
+const { MathFloor, NumberIsInteger } = require('../../ours/primordials')
+const { validateInteger } = require('../validators')
+const { ERR_INVALID_ARG_VALUE } = require('../../ours/errors').codes
+let defaultHighWaterMarkBytes = 16 * 1024
+let defaultHighWaterMarkObjectMode = 16
+function highWaterMarkFrom(options, isDuplex, duplexKey) {
+  return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null
+}
+function getDefaultHighWaterMark(objectMode) {
+  return objectMode ? defaultHighWaterMarkObjectMode : defaultHighWaterMarkBytes
+}
+function setDefaultHighWaterMark(objectMode, value) {
+  validateInteger(value, 'value', 0)
+  if (objectMode) {
+    defaultHighWaterMarkObjectMode = value
+  } else {
+    defaultHighWaterMarkBytes = value
+  }
+}
+function getHighWaterMark(state, options, duplexKey, isDuplex) {
+  const hwm = highWaterMarkFrom(options, isDuplex, duplexKey)
+  if (hwm != null) {
+    if (!NumberIsInteger(hwm) || hwm < 0) {
+      const name = isDuplex ? `options.${duplexKey}` : 'options.highWaterMark'
+      throw new ERR_INVALID_ARG_VALUE(name, hwm)
+    }
+    return MathFloor(hwm)
+  }
+
+  // Default value
+  return getDefaultHighWaterMark(state.objectMode)
+}
+module.exports = {
+  getHighWaterMark,
+  getDefaultHighWaterMark,
+  setDefaultHighWaterMark
+}