add --error-on-unknown-section to wasmdump

Author: xtuc

packages/cli/README.md

@@ -23,3 +23,16 @@ Options:
 | `--no-name-resolution` | disable name resolution |
 | `--ignore-code-section` | don't print the code |
 
+
+### `wasmdump`
+
+```sh
+wasmdump module.wasm
+```
+
+Options:
+
+| name | description |
+|------|-------------|
+| `--ignore-code-section` | don't print the code |
+| `--error-on-unknown-section` | error on unknown section |

packages/cli/src/wasmdump.js

@@ -21,6 +21,10 @@ if (process.argv.indexOf("--ignore-code-section") !== -1) {
   decoderOpts.ignoreCodeSection = true;
 }
 
+if (process.argv.indexOf("--error-on-unknown-section") !== -1) {
+  decoderOpts.errorOnUnknownSection = true;
+}
+
 // $FlowIgnore: this is correct but not correctly documented
 const buff = toArrayBuffer(readFileSync(filename, null));