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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 < Rewriter::Action
# Initialize a ReplaceErbStmtWithExprAction.
#
# @param instance [Synvert::Core::Rewriter::Instance]
def initialize(instance)
super(instance, nil)
end
# The rewritten erb expr code.
#
# @return [String] rewritten code.
def rewritten_code
@node.loc.expression.source_buffer.source[begin_pos...end_pos]
.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_begin_pos = @node.loc.expression.begin_pos
while @node.loc.expression.source_buffer.source[node_begin_pos -= 1] == ' '
end
@begin_pos = node_begin_pos - Engine::ERUBY_STMT_SPLITTER.length + 1
node_begin_pos = @node.loc.expression.begin_pos
node_begin_pos += @node.loc.expression.source.index 'do'
while @node.loc.expression.source_buffer.source[node_begin_pos += 1] != '@'
end
@end_pos = node_begin_pos
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems