Module: Sprockets::ManifestUtils

### Home Classes Methods

### In Files

- lib/sprockets/manifest_utils.rb

### Methods

- #find_directory_manifest
- #generate_manifest_path

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# Sprockets::ManifestUtils

Public: Manifest utilities.

### Constants

LEGACY_MANIFEST_RE
MANIFEST_RE

### Public Instance Methods

find_directory_manifest(dirname) click to toggle source

Public: Find or pick a new manifest filename for target build directory.

dirname - String dirname

Examples

    find_directory_manifest("/app/public/assets")
    # => "/app/public/assets/.sprockets-manifest-abc123.json"

Returns String filename.

    # File lib/sprockets/manifest_utils.rb, line 36
    def find_directory_manifest(dirname)
      entries = File.directory?(dirname) ? Dir.entries(dirname) : []
      entry = entries.find { |e| e =~ MANIFEST_RE } ||
        # Deprecated: Will be removed in 4.x
        entries.find { |e| e =~ LEGACY_MANIFEST_RE } ||
        generate_manifest_path
      File.join(dirname, entry)
    end

generate_manifest_path() click to toggle source

Public: Generate a new random manifest path.

Manifests are not intended to be accessed publicly, but typically live alongside public assets for convenience. To avoid being served, the filename is prefixed with a "." which is usually hidden by web servers like Apache. To help in other environments that may not control this, a random hex string is appended to the filename to prevent people from guessing the location. If directory indexes are enabled on the server, all bets are off.

Return String path.

    # File lib/sprockets/manifest_utils.rb, line 22
    def generate_manifest_path
      ".sprockets-manifest-#{SecureRandom.hex(16)}.json"
    end

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