1 files changed, 113 insertions, 0 deletions
diff --git a/node_modules/buffer-fill/index.js b/node_modules/buffer-fill/index.js
new file mode 100644
index 0000000..428a9e1
--- /dev/null
+++ b/node_modules/buffer-fill/index.js
@@ -0,0 +1,113 @@
+/* Node.js 6.4.0 and up has full support */
+var hasFullSupport = (function () {
+  try {
+    if (!Buffer.isEncoding('latin1')) {
+      return false
+    }
+
+    var buf = Buffer.alloc ? Buffer.alloc(4) : new Buffer(4)
+
+    buf.fill('ab', 'ucs2')
+
+    return (buf.toString('hex') === '61006200')
+  } catch (_) {
+    return false
+  }
+}())
+
+function isSingleByte (val) {
+  return (val.length === 1 && val.charCodeAt(0) < 256)
+}
+
+function fillWithNumber (buffer, val, start, end) {
+  if (start < 0 || end > buffer.length) {
+    throw new RangeError('Out of range index')
+  }
+
+  start = start >>> 0
+  end = end === undefined ? buffer.length : end >>> 0
+
+  if (end > start) {
+    buffer.fill(val, start, end)
+  }
+
+  return buffer
+}
+
+function fillWithBuffer (buffer, val, start, end) {
+  if (start < 0 || end > buffer.length) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return buffer
+  }
+
+  start = start >>> 0
+  end = end === undefined ? buffer.length : end >>> 0
+
+  var pos = start
+  var len = val.length
+  while (pos <= (end - len)) {
+    val.copy(buffer, pos)
+    pos += len
+  }
+
+  if (pos !== end) {
+    val.copy(buffer, pos, 0, end - pos)
+  }
+
+  return buffer
+}
+
+function fill (buffer, val, start, end, encoding) {
+  if (hasFullSupport) {
+    return buffer.fill(val, start, end, encoding)
+  }
+
+  if (typeof val === 'number') {
+    return fillWithNumber(buffer, val, start, end)
+  }
+
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = buffer.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = buffer.length
+    }
+
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+
+    if (encoding === 'latin1') {
+      encoding = 'binary'
+    }
+
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+
+    if (val === '') {
+      return fillWithNumber(buffer, 0, start, end)
+    }
+
+    if (isSingleByte(val)) {
+      return fillWithNumber(buffer, val.charCodeAt(0), start, end)
+    }
+
+    val = new Buffer(val, encoding)
+  }
+
+  if (Buffer.isBuffer(val)) {
+    return fillWithBuffer(buffer, val, start, end)
+  }
+
+  // Other values (e.g. undefined, boolean, object) results in zero-fill
+  return fillWithNumber(buffer, 0, start, end)
+}
+
+module.exports = fill