Initial commit; implement package adding

.gitignore

+packages
+registry.json
+public

add.sh

+#!/bin/bash
+
+source functions.sh
+
+
+if [ "$1" == '-h' ] || [ "$1" == '--help' ] || [ $# -le 3 ] ; then
+    echo 'Usage: add.sh <package> <version> <main> <main-minified>'
+    echo '  Main and main-minified are paths to files inside package'
+    echo '    Example (React): ./add.sh react latest umd/react.development.js umd/react.production.min.js'
+    echo '  Version should be a number or "latest"'
+    echo '    Example (jQuery): ./add.sh jquery 1 dist/jquery.js dist/jquery.min.js'
+    exit 0
+fi
+
+re='^[0-9\.]+$'
+
+if ! [[ $2 =~ $re ]] && [ "$2" != "latest" ]; then
+    echo "Bad version: $2"
+    exit 1
+fi
+
+epm assure jq || exit
+
+package="$1"
+version="$2"
+main="$3"
+main_minified="$4"
+
+if ! npm view "$1" > /dev/null 2>&1; then
+    echo 'Failed to get package info. Are you sure it exists?'
+    echo 'If not sure, check npm-debug.log for details.'
+    exit 1
+fi
+
+
+add_package "$package" "$version" "$main" "$main_minified"
+registry_add_library_version "$package" "$version" "$main" "$main_minified"

functions.sh

+fatal () {
+    echo "Error: $*" >&2
+    exit 1
+}
+
+add_package () {
+    local package="$1"
+    local version="$2"
+    local main="$3"
+    local minified="$4"
+
+    rm -rf "packages/$package/$version"
+    create_package_version "$package" "$version"
+    echo "Created packages/$package/$version/package.json"
+    install_or_update_package "$package" "$version"
+    create_dist_link "$package" "$version" "$main" "$minified"
+    echo "Installed $package@$version"
+}
+
+create_dist_link () {
+    local package="$1"
+    local version="$2"
+    local main="$3"
+    local minified="$4"
+
+    public_base="public/$package/$version"
+    package_base="packages/$package/$version/node_modules/$package"
+
+    mkdir -p "$public_base"
+    #if [ -z "$3" ]; then
+    #    main_file=$(npm view "$1" main)
+    #else
+    local main_file="$3"
+    local main_file_minified="$4"
+    #fi
+    link_and_print "$package_base/$main_file_minified" "$public_base/$package.min.js"
+    link_and_print "$public_base/$package.min.js" "$public_base/$package.js"
+    link_and_print "$package_base/$main_file" "$public_base/$package.development.js"
+}
+
+create_package_version () {
+    if [ "$2" == "latest" ]; then
+        semver_version="*"
+    else
+        semver_version="$2.*"
+    fi
+
+    mkdir -p "packages/$1/$2"
+    rm -f "packages/$1/$2/package.json"
+    cat >> "packages/$1/$2/package.json" << EOL
+{
+  "name": "",
+  "description": "",
+  "version": "0.1.0",
+  "dependencies": {
+EOL
+    echo "    \"$1\": \"$semver_version\"" >> "packages/$1/$2/package.json"
+    cat >> "packages/$1/$2/package.json" << EOL
+  }
+}
+EOL
+}
+
+install_or_update_package () {
+    cd "packages/$1/$2/"
+    if ! npm i > /dev/null 2>&1; then
+        fatal "Failed to install $1@$2"
+    fi
+    cd ../../../
+}
+
+link_and_print () {
+    if ! [ -e "$1" ]; then
+        fatal "File not found: $1"
+    fi
+    ln "$1" "$2"
+    echo "Created hardlink: $2 -> $1"
+}
+
+registry_add_library_version () {
+    new_registry=$(cat registry.json | jq --arg lib "$1" --arg version "$2" --arg main "$3" --arg minified "$4" ".installedLibraries[\"$1\"][\"$2\"] = {"main": \$main, "minified": \$minified}") || fatal "jq error"
+    echo "$new_registry" > registry.json
+}

init.sh

+#!/bin/bash
+
+if [ -e registry.json ]; then
+    echo "Already initalized."
+    exit 1
+fi
+
+cat >> registry.json << EOL
+{
+  "installedLibraries": {}
+}
+EOL
+
+echo "Created new registry.json (list of installed libraries)."
+echo "Now use add.sh to add some libraries."