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Better error msg when using older nodejs version

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-Older versions of nodejs will throw all kinds of different errors depending on which version you are running. This check should hopefully prevent confusion about why the explorer is not working by giving a clearer error message before the explorer starts
This commit is contained in:
Joe Uhren
2021-12-07 19:00:35 -07:00
parent fafa6e5279
commit 44bdcd9946
1 changed files with 33 additions and 0 deletions
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scripts/prestart.sh
+33
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@@ -1,5 +1,38 @@
#!/bin/bash
readonly MIN_NODE_VERSION_MAJOR="14"
readonly MIN_NODE_VERSION_MINOR="13"
readonly MIN_NODE_VERSION_REVISION="1"
readonly NONE="\033[00m"
readonly RED="\033[01;31m"
begins_with() { case $2 in "$1"*) true;; *) false;; esac; }
error_message() { echo "${RED}Error:${NONE} $1" && echo && exit 1; }
# Get the nodejs version
NODE_VERSION="$(node -v)"
NODE_VERSION_MAJOR="0"
NODE_VERSION_MINOR="0"
NODE_VERSION_REVISION="0"
# Check if the nodejs version # is blank or a very long string as that would usually indicate a problem
if [ "${#NODE_VERSION}" -gt 0 ] && [ "${#NODE_VERSION}" -lt 16 ]; then
# Remove the 'v' from the beginning of the version string
if begins_with "v" "${NODE_VERSION}"; then
NODE_VERSION=$(echo "${NODE_VERSION}" | cut -c2-${#NODE_VERSION})
fi
# Split node version string into major, minor and revision
NODE_VERSION_MAJOR="$(echo $NODE_VERSION | cut -d'.' -f1)"
NODE_VERSION_MINOR="$(echo $NODE_VERSION | cut -d'.' -f2)"
NODE_VERSION_REVISION="$(echo $NODE_VERSION | cut -d'.' -f3)"
fi
# Check if the installed nodejs is an older version than supported by the explorer
if !([ "${NODE_VERSION_MAJOR}" -gt "${MIN_NODE_VERSION_MAJOR}" ] || ([ "${NODE_VERSION_MAJOR}" -eq "${MIN_NODE_VERSION_MAJOR}" ] && ([ "${NODE_VERSION_MINOR}" -gt "${MIN_NODE_VERSION_MINOR}" ] || ([ "${NODE_VERSION_MINOR}" -eq "${MIN_NODE_VERSION_MINOR}" ] && [ "${NODE_VERSION_REVISION}" -ge "${MIN_NODE_VERSION_REVISION}" ])))); then
error_message "Please install an updated version of nodejs.\n\nInstalled: $NODE_VERSION\nRequired: $MIN_NODE_VERSION_MAJOR.$MIN_NODE_VERSION_MINOR.$MIN_NODE_VERSION_REVISION"
fi
## Check if new module directory exists
#if [ ! -d ./node_modules/change_to_module_dir_name ]; then
# # Install updated packages