我移植了咕嘟咕嘟入門Rails的助手中間人,但我得到以下錯誤:Rails的幫手'象徵的隱式轉換成String`
no implicit conversion of Symbol into String
相關Ruby /middleman-gulp-starter/helpers/gulp_asset_helper.rb: in join, line 14
我不是肯定Rails和Middleman之間的區別,理解爲什麼這不起作用。
module GulpAssetHelper
def gulp_asset_path(path, type = nil)
rev_manifest = nil
# In development, check for the manifest every time
if !config[:build]
rev_manifest = JSON.parse(File.read(REV_MANIFEST_PATH)) if File.exist?(REV_MANIFEST_PATH)
# In production, use the manifest cached in initializers/gulp.rb
else
rev_manifest = REV_MANIFEST if defined?(REV_MANIFEST)
end
root = GULP_CONFIG['root']['dest'].gsub(/(.*)build\//, '/')
asset_path = type ? File.join(GULP_CONFIG['tasks'][type]['dest'], path) : path # LINE 14
asset_path = rev_manifest[asset_path] if rev_manifest
asset_path = File.join(root, asset_path)
File.absolute_path(asset_path, '/')
end
def gulp_js_path(path)
gulp_asset_path(path, 'js')
GULP_CONFIG
end
def gulp_css_path(path)
gulp_asset_path(path, 'css')
end
def gulp_image_path(path)
gulp_asset_path(path, 'images')
end
def sprite(id, classes = "", viewBox = "0 0 24 24")
"<svg class='sprite -#{id} #{classes}' aria-hidden='true' preserveAspectRatio viewBox='#{viewBox}'><use xlink:href='#{gulp_image_path('sprites.svg')}##{id}' /></use></svg>".html_safe
end
end
的轉速和配置導入文件:
GULP_CONFIG = JSON.parse(File.read('gulpfile.js/config.json'))
REV_MANIFEST_PATH = File.join(GULP_CONFIG['root']['dest'], 'rev-manifest.json')
if File.exist?(REV_MANIFEST_PATH)
REV_MANIFEST = JSON.parse(File.read(REV_MANIFEST_PATH))
end
例rev-manifest.json
文件:
{
"images/middleman-logo.svg": "images/middleman-logo-2e3d8b5ad1.svg",
"javascripts/all.js": "javascripts/all-92681c51e741e0e1370c.js",
"stylesheets/site.css": "stylesheets/site-9b25f1d1ac.css"
}
我已經輸出的gulpfile的內容,以便知道它被正確讀取。
你可以找到完整的回購在這裏:https://github.com/craigmdennis/middleman-gulp-starter/tree/4_asset-helpers
如果在第14行出現錯誤,請爲我們標記第14行。 – Meier