switch to vuepress

1 files changed, 37 insertions, 0 deletions

diff --git a/node_modules/@webassemblyjs/helper-code-frame/esm/index.js b/node_modules/@webassemblyjs/helper-code-frame/esm/index.js
new file mode 100644
index 00000000..791c65e6
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-code-frame/esm/index.js
@@ -0,0 +1,37 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+import { print } from "@webassemblyjs/wast-printer";
+var SHOW_LINES_AROUND_POINTER = 5;
+
+function repeat(char, nb) {
+  return Array(nb).fill(char).join("");
+} // TODO(sven): allow arbitrary ast nodes
+
+
+export function codeFrameFromAst(ast, loc) {
+  return codeFrameFromSource(print(ast), loc);
+}
+export function codeFrameFromSource(source, loc) {
+  var start = loc.start,
+      end = loc.end;
+  var length = 1;
+
+  if (_typeof(end) === "object") {
+    length = end.column - start.column + 1;
+  }
+
+  return source.split("\n").reduce(function (acc, line, lineNbr) {
+    if (Math.abs(start.line - lineNbr) < SHOW_LINES_AROUND_POINTER) {
+      acc += line + "\n";
+    } // Add a new line with the pointer padded left
+
+
+    if (lineNbr === start.line - 1) {
+      acc += repeat(" ", start.column - 1);
+      acc += repeat("^", length);
+      acc += "\n";
+    }
+
+    return acc;
+  }, "");
+}
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