Disable emscripten dynamic execution (#159)

* (wasm|bundle).sh: use /usr/bin/env for portability

* Emscripten: disable dynamic execution to avoid CSP violations (#158)

* js: update laz-perf.js and laz-perf.wasm

Author: sguimmara

cpp/emscripten/CMakeLists.txt

@@ -19,7 +19,7 @@ endif()
 if (WASM)
   message(STATUS "WASM Emscripten output has been enabled")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s WASM=1 -s \"BINARYEN_METHOD='native-wasm'\"")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s MODULARIZE=1")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s MODULARIZE=1 -s DYNAMIC_EXECUTION=0")
   if (ESM)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s EXPORT_ES6=1")
   else (ESM)

js/bundle.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 cd "$(dirname "$0")"

js/src/laz-perf.js

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This script generates:
 # The actual WASM: