gem 'minitest'

require 'minitest/autorun'

describe "ES2021 support" do

def to_js( string)

_(Ruby2JS.convert(string, eslevel: 2021, filters: []).to_s)

end

def to_js_fn( string)

_(Ruby2JS.convert(string, eslevel: 2021,

filters: [Ruby2JS::Filter::Functions]).to_s)

end

def to_js_nullish( string)

_(Ruby2JS.convert(string, eslevel: 2021, or: :nullish, filters: []).to_s)

end

it "should do short circuit assign - logical (default)" do

to_js( 'a = nil; a ||= 1').must_equal 'let a = null; a ||= 1'

to_js( '@a ||= 1').must_equal 'this._a ||= 1'

to_js( '@@a ||= 1').must_equal 'this.constructor._a ||= 1'

to_js( 'self.p ||= 1').must_equal 'this.p ||= 1'

to_js( 'a[i] ||= 1').must_equal 'a[i] ||= 1'

end

it "should do short circuit assign - nullish" do

to_js_nullish( 'a = nil; a ||= 1').must_equal 'let a = null; a ??= 1'

to_js_nullish( '@a ||= 1').must_equal 'this._a ??= 1'

to_js_nullish( '@@a ||= 1').must_equal 'this.constructor._a ??= 1'

to_js_nullish( 'self.p ||= 1').must_equal 'this.p ??= 1'

to_js_nullish( 'a[i] ||= 1').must_equal 'a[i] ??= 1'

end

it "should do short circuit and" do

to_js( 'a = nil; a &&= 1').must_equal 'let a = null; a &&= 1'

to_js( '@a &&= 1').must_equal 'this._a &&= 1'

to_js( '@@a &&= 1').must_equal 'this.constructor._a &&= 1'

to_js( 'self.p &&= 1').must_equal 'this.p &&= 1'

to_js( 'a[i] &&= 1').must_equal 'a[i] &&= 1'

end

it "should format large numbers with separators" do

to_js( '1000000' ).must_equal '1_000_000'

to_js( '1000000.000001' ).must_equal '1_000_000.000_001'

end

it "should convert gsub to replaceAll" do

to_js_fn( 'x.gsub("a", "b")' ).must_equal 'x.replaceAll("a", "b")'

to_js_fn( 'x.gsub(/a/, "b")' ).must_equal 'x.replaceAll(/a/g, "b")'

end

end