Module: Dotenv::Substitutions::Variable
- Defined in:
- lib/dotenv/substitutions/variable.rb
Overview
Substitute variables in a value.
HOST=example.com
URL="https://$HOST"
Constant Summary collapse
- VARIABLE =
/ (\\)? # is it escaped with a backslash? (\$) # literal $ (?!\() # shouldnt be followed by paranthesis \{? # allow brace wrapping ([A-Z0-9_]+)? # optional alpha nums \}? # closing brace /xi
Class Method Summary collapse
Class Method Details
.call(value, env, is_load) ⇒ Object
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# File 'lib/dotenv/substitutions/variable.rb', line 21 def call(value, env, is_load) combined_env = is_load ? env.merge(ENV) : ENV.to_h.merge(env) value.gsub(VARIABLE) do |variable| match = $LAST_MATCH_INFO substitute(match, variable, combined_env) end end |