twitter-bootstrap - "#grid > .core is undefined"when lessc compile bootstrap

Question

当我运行 lessc bootstrap.less 时出现以下错误

at less.Parser.parser.parse.i (/Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/js/lib/less/parser.js:385:31): #grid > .core is undefined (Less::ParseError)
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/parser.rb:61:in `block in to_css'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script/v8_context.rb:90:in `block in do_lock'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script/v8_context.rb:88:in `call'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script/v8_context.rb:88:in `Locker'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script/v8_context.rb:88:in `do_lock'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script/v8_context.rb:60:in `lock'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script/v8_context.rb:30:in `exec'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/java_script.rb:26:in `exec'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/lib/less/parser.rb:61:in `to_css'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/gems/less-2.2.2/bin/lessc:99:in `<top (required)>'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/bin/lessc:19:in `load'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/bin/lessc:19:in `<main>'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/bin/ruby_noexec_wrapper:14:in `eval'
from /Users/ftiasch/.rvm/gems/ruby-1.9.3-p374/bin/ruby_noexec_wrapper:14:in `<main>'

我找到了this issue .但我已经将 lessc 升级到 1.3。

这是版本:

lessc -v

lessc 1.3.0(LESS 编译器)[Ruby] 2.2.2

bootstrap 源文件是从 github 上克隆的。

Answer 1

我们需要升级到版本 1.3.3。

示例(如果您在 node.js 中运行less)

sudo npm install -g less