Module: Iconmap::IconmapTagsHelper

Defined in:
app/helpers/iconmap/iconmap_tags_helper.rb

Instance Method Summary collapse

Instance Method Details

#javascript_iconmap_module_preload_tags(iconmap = Rails.application.iconmap, entry_point: "application") ⇒ Object

Link tags for preloading all modules marked as preload: true in the ‘iconmap` (defaults to Rails.application.iconmap), such that they’ll be fetched in advance by browsers supporting this link type (caniuse.com/?search=modulepreload).



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# File 'app/helpers/iconmap/iconmap_tags_helper.rb', line 27

def javascript_iconmap_module_preload_tags(iconmap = Rails.application.iconmap, entry_point: "application")
  javascript_module_preload_tag(*iconmap.preloaded_module_paths(resolver: self, entry_point:, cache_key: entry_point))
end

#javascript_iconmap_tags(entry_point = "application", iconmap: Rails.application.iconmap) ⇒ Object

Setup all script tags needed to use an iconmap-powered entrypoint (which defaults to application.js)



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# File 'app/helpers/iconmap/iconmap_tags_helper.rb', line 3

def javascript_iconmap_tags(entry_point = "application", iconmap: Rails.application.iconmap)
  safe_join [
    javascript_inline_iconmap_tag(iconmap.to_json(resolver: self)),
    javascript_iconmap_module_preload_tags(iconmap, entry_point:),
    javascript_import_module_tag(entry_point)
  ], "\n"
end

#javascript_import_module_tag(*module_names) ⇒ Object

Import a named JavaScript module(s) using a script-module tag.



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# File 'app/helpers/iconmap/iconmap_tags_helper.rb', line 19

def javascript_import_module_tag(*module_names)
  imports = Array(module_names).collect { |m| %(import "#{m}") }.join("\n")
  tag.script imports.html_safe, type: "module", nonce: request&.content_security_policy_nonce
end

#javascript_inline_iconmap_tag(iconmap_json = Rails.application.iconmap.to_json(resolver: self)) ⇒ Object

Generate an inline iconmap tag using the passed ‘iconmap_json` JSON string. By default, `Rails.application.iconmap.to_json(resolver: self)` is used.



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# File 'app/helpers/iconmap/iconmap_tags_helper.rb', line 13

def javascript_inline_iconmap_tag(iconmap_json = Rails.application.iconmap.to_json(resolver: self))
  tag.script iconmap_json.html_safe,
    type: "iconmap", "data-turbo-track": "reload", nonce: request&.content_security_policy_nonce
end

#javascript_module_preload_tag(*paths) ⇒ Object

Link tag(s) for preloading the JavaScript module residing in ‘*paths`. Will return one link tag per path element.



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# File 'app/helpers/iconmap/iconmap_tags_helper.rb', line 32

def javascript_module_preload_tag(*paths)
  safe_join(Array(paths).collect { |path|
    tag.link rel: "modulepreload", href: path, nonce: request&.content_security_policy_nonce
  }, "\n")
end