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[Refactor] create nvm_normalize_lts helper

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This commit is contained in:
Jordan Harband
2021-12-16 22:55:02 -08:00
parent 430860a8be
commit 0b4cd8df6c
2 changed files with 65 additions and 17 deletions
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44
nvm.sh
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@@ -687,6 +687,29 @@ nvm_normalize_version() {
}' "${1#v}"
}
nvm_normalize_lts() {
local LTS
LTS="${1-}"
if [ "$(expr "${LTS}" : '^lts/-[1-9][0-9]*$')" -gt 0 ]; then
local N
N="$(echo "${LTS}" | cut -d '-' -f 2)"
N=$((N+1))
local NVM_ALIAS_DIR
NVM_ALIAS_DIR="$(nvm_alias_path)"
local RESULT
RESULT="$(command ls "${NVM_ALIAS_DIR}/lts" | command tail -n "${N}" | command head -n 1)"
if [ "${RESULT}" != '*' ]; then
nvm_echo "lts/${RESULT}"
else
nvm_err 'That many LTS releases do not exist yet.'
return 2
fi
else
nvm_echo "${LTS}"
fi
}
nvm_ensure_version_prefix() {
local NVM_VERSION
NVM_VERSION="$(nvm_strip_iojs_prefix "${1-}" | command sed -e 's/^\([0-9]\)/v\1/g')"
@@ -1043,27 +1066,14 @@ nvm_alias() {
nvm_err 'An alias is required.'
return 1
fi
ALIAS="$(nvm_normalize_lts "${ALIAS}")"
local NVM_ALIAS_DIR
NVM_ALIAS_DIR="$(nvm_alias_path)"
if [ "$(expr "${ALIAS}" : '^lts/-[1-9][0-9]*$')" -gt 0 ]; then
local N
N="$(echo "${ALIAS}" | cut -d '-' -f 2)"
N=$((N+1))
local RESULT
RESULT="$(command ls "${NVM_ALIAS_DIR}/lts" | command tail -n "${N}" | command head -n 1)"
if [ "${RESULT}" != '*' ]; then
nvm_alias "lts/${RESULT}"
return $?
else
nvm_err 'That many LTS releases do not exist yet.'
return 2
fi
if [ -z "${ALIAS}" ]; then
return 2
fi
local NVM_ALIAS_PATH
NVM_ALIAS_PATH="${NVM_ALIAS_DIR}/${ALIAS}"
NVM_ALIAS_PATH="$(nvm_alias_path)/${ALIAS}"
if [ ! -f "${NVM_ALIAS_PATH}" ]; then
nvm_err 'Alias does not exist.'
return 2