rewrite embedding script with Ruby

.editorconfig

@@ -16,3 +16,7 @@ trim_trailing_whitespace = false
 [{Makefile,*.mk}]
 indent_style = tab
 indent_size = 4
+
+[*.rb]
+indent_style = space
+indent_size = 2

scripts/embed.rb

+#!/usr/bin/env ruby
+require 'fileutils'
+require 'pathname'
+
+SNPI="./build/bin/snpi"
+PISN="./build/bin/pisn"
+
+WASM_BINARIES = {
+    :ammo => "./node_modules/ammo.js/builds/ammo.wasm.wasm",
+    :jq => "./node_modules/jq-web/jq.wasm.wasm",
+    :source_map => "./node_modules/source-map/lib/mappings.wasm",
+    :wasm_flate => "./node_modules/wasm-flate/wasm_flate_bg.wasm",
+    :vim => "./node_modules/vim-wasm/vim.wasm",
+    :vim_small => "./node_modules/vim-wasm/small/vim.wasm",
+}
+
+OUTPUT_DIRS = {
+  :ammo => "./out/ammo.js",
+  :jq => "./out/jq-web",
+  :source_map => "./out/source-map",
+  :wasm_flate => "./out/wasm-flate",
+  :vim => "./out/vim-wasm",
+  :vim_small => "./out/vim-wasm/small",
+}
+
+METHODS = [
+  {:name => "function-reorder", :abbr => "fn"},
+  {:name => "export-reorder", :abbr => "ex"},
+  {:name => "operand-swap", :abbr => "op"},
+]
+
+def copy(file, out)
+    FileUtils.copy(file, out, {:verbose => true})
+end
+
+def embed(file, out, method, watermark, chunk_size = 20)
+  output = IO.popen([SNPI, "-o", out.to_s, "-m", method, "-w", watermark, "-c", chunk_size.to_s, file.to_s]).read
+
+  puts "#{file}, #{out}, #{method}, #{watermark}, #{output}"
+end
+
+WASM_BINARIES.each do |id, file|
+  dir = Pathname(OUTPUT_DIRS[id])
+
+  FileUtils.mkdir_p(dir)
+  copy(file, dir + Pathname(file).basename)
+end
+
+METHODS.each do |method|
+  WASM_BINARIES.each do |id, file|
+    watermark = "TEST"
+    dir = Pathname(OUTPUT_DIRS[id])
+    out = dir + Pathname(file).basename.sub(".wasm", "-#{method[:abbr]}-#{watermark}.wasm")
+
+    embed(file, out, method[:name], watermark)
+  end
+end

scripts/embed.sh

-#!/bin/sh
-SNPI="./build/bin/snpi"
-PISN="./build/bin/pisn"
-
-OUT_DIR="./out"
-
-WASM_AMMO_JS="./node_modules/ammo.js/builds/ammo.wasm.wasm"
-WASM_JQ_WEB="./node_modules/jq-web/jq.wasm.wasm"
-WASM_SOURCE_MAP="./node_modules/source-map/lib/mappings.wasm"
-WASM_WASM_FLATE="./node_modules/wasm-flate/wasm_flate_bg.wasm"
-
-function copy() {
-    local file="$1"
-    local out="$2"
-
-    echo "cp $file $out"
-    mkdir -p "$(dirname "$out")"
-    cp "$file" "$out"
-}
-
-function embed() {
-    local file="$1"
-    local out="$2"
-    local method="$3"
-    local watermark="$4"
-    local chunk_size="${5:-20}"
-
-    echo "$SNPI -o $out -m $method -w $watermark -c $chunk_size $file"
-    mkdir -p "$(dirname "$out")"
-
-    local embedded_size
-    embedded_size="$("$SNPI" -o "$out" -m "$method" -w "$watermark" -c "$chunk_size" "$file")"
-    echo "$embedded_size"
-}
-
-copy "$WASM_AMMO_JS" "$OUT_DIR/ammo.js/ammo.wasm.wasm"
-copy "$WASM_JQ_WEB" "$OUT_DIR/jq-web/jq.wasm.wasm"
-copy "$WASM_SOURCE_MAP" "$OUT_DIR/source-map/mappings.wasm"
-copy "$WASM_WASM_FLATE" "$OUT_DIR/wasm-flate/wasm_flate_bg.wasm"
-
-embed "$WASM_AMMO_JS" "$OUT_DIR/ammo.js/ammo.wasm-op-TEST.wasm" "operand-swap" "TEST"
-embed "$WASM_JQ_WEB" "$OUT_DIR/jq-web/jq-op-TEST.wasm.wasm" "operand-swap" "TEST"
-embed "$WASM_SOURCE_MAP" "$OUT_DIR/source-map/mappings-op-TEST.wasm" "operand-swap" "TEST"
-embed "$WASM_WASM_FLATE" "$OUT_DIR/wasm-flate/wasm_flate_bg-op-TEST.wasm" "operand-swap" "TEST"
-
-embed "$WASM_AMMO_JS" "$OUT_DIR/ammo.js/ammo.wasm-fn-TEST.wasm" "function-reorder" "TEST"
-embed "$WASM_JQ_WEB" "$OUT_DIR/jq-web/jq-fn-TEST.wasm.wasm" "function-reorder" "TEST"
-embed "$WASM_SOURCE_MAP" "$OUT_DIR/source-map/mappings-fn-TEST.wasm" "function-reorder" "TEST"
-embed "$WASM_WASM_FLATE" "$OUT_DIR/wasm-flate/wasm_flate_bg-fn-TEST.wasm" "function-reorder" "TEST"
-
-embed "$WASM_AMMO_JS" "$OUT_DIR/ammo.js/ammo.wasm-ex-TEST.wasm" "export-reorder" "TEST"
-embed "$WASM_JQ_WEB" "$OUT_DIR/jq-web/jq-ex-TEST.wasm.wasm" "export-reorder" "TEST"
-embed "$WASM_SOURCE_MAP" "$OUT_DIR/source-map/mappings-ex-TEST.wasm" "export-reorder" "TEST"
-embed "$WASM_WASM_FLATE" "$OUT_DIR/wasm-flate/wasm_flate_bg-ex-TEST.wasm" "export-reorder" "TEST"