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Contents
# frozen_string_literal: true
module Synvert::Core
# ReplaceErbStmtWithExprAction to replace erb stmt code to expr,
# @example
# e.g. <% form_for ... %> => <%= form_for ... %>.
class Rewriter::ReplaceErbStmtWithExprAction < NodeMutation::Action
# Initialize a ReplaceErbStmtWithExprAction.
#
# @param node [Synvert::Core::Rewriter::Node]
def initialize(node)
super(node, nil)
end
# The new erb expr code.
#
# @return [String] new code.
def new_code
NodeMutation.adapter.file_content(@node)[@start...@end]
.sub(Engine::ERUBY_STMT_SPLITTER, '@output_buffer.append= ')
.sub(Engine::ERUBY_STMT_SPLITTER, Engine::ERUBY_EXPR_SPLITTER)
end
private
# Calculate the begin the end positions.
def calculate_position
node_start = NodeMutation.adapter.get_start(@node)
node_source = NodeMutation.adapter.get_source(@node)
file_content = NodeMutation.adapter.file_content(@node)
whitespace_index = node_start
while file_content[whitespace_index -= 1] == ' '
end
@start = whitespace_index - Engine::ERUBY_STMT_SPLITTER.length + 1
at_index = node_start + node_source.index('do')
while file_content[at_index += 1] != '@'
end
@end = at_index
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems