Sha256: 651432fe39dcc29a8ca97d3becd437c9ae3281a7ece7baef3e90058d2e0bb33f
Contents?: true
Size: 1.9 KB
Versions: 6
Compression:
Stored size: 1.9 KB
Contents
module Importmap::ImportmapTagsHelper
# Setup all script tags needed to use an importmap-powered entrypoint (which defaults to application.js)
def javascript_importmap_tags(entry_point = "application", importmap: Rails.application.importmap)
safe_join [
javascript_inline_importmap_tag(importmap.to_json(resolver: self)),
javascript_importmap_module_preload_tags(importmap),
javascript_import_module_tag(entry_point)
], "\n"
end
# Generate an inline importmap tag using the passed `importmap_json` JSON string.
# By default, `Rails.application.importmap.to_json(resolver: self)` is used.
def javascript_inline_importmap_tag(importmap_json = Rails.application.importmap.to_json(resolver: self))
tag.script importmap_json.html_safe,
type: "importmap", "data-turbo-track": "reload", nonce: request&.content_security_policy_nonce
end
# Import a named JavaScript module(s) using a script-module tag.
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
# Link tags for preloading all modules marked as preload: true in the `importmap`
# (defaults to Rails.application.importmap), such that they'll be fetched
# in advance by browsers supporting this link type (https://caniuse.com/?search=modulepreload).
def javascript_importmap_module_preload_tags(importmap = Rails.application.importmap)
javascript_module_preload_tag(*importmap.preloaded_module_paths(resolver: self))
end
# Link tag(s) for preloading the JavaScript module residing in `*paths`. Will return one link tag per path element.
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
end
Version data entries
6 entries across 6 versions & 3 rubygems