94 lines
2.4 KiB
Plaintext
94 lines
2.4 KiB
Plaintext
// Module resolver for handling different import styles
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// Works with the PhysFS mount system set up by shop.js
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var ModuleResolver = {}
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// Resolve module imports according to the specification
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ModuleResolver.resolve = function(request, from_path) {
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// Handle scheme-qualified imports
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if (request.includes('://')) {
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var parts = request.split('://')
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var scheme = parts[0]
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var path = parts[1]
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// Direct mapping to mount points
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return '/' + scheme + '/' + path
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}
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// Handle relative imports
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if (request.startsWith('./') || request.startsWith('../')) {
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// Relative imports are resolved from the importing module's directory
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if (from_path) {
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var dir = from_path.substring(0, from_path.lastIndexOf('/'))
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return resolve_relative(dir, request)
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}
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return request
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}
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// Handle bare imports
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// PhysFS will search through all mounted directories
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// The mount order ensures proper precedence
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return request
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}
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// Helper to resolve relative paths
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function resolve_relative(base, relative) {
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var parts = base.split('/')
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var rel_parts = relative.split('/')
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for (var i = 0; i < rel_parts.length; i++) {
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var part = rel_parts[i]
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if (part === '.') {
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continue
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} else if (part === '..') {
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parts.pop()
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} else {
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parts.push(part)
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}
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}
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return parts.join('/')
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}
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// Get the shop configuration if available
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ModuleResolver.get_shop_config = function() {
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try {
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var shop = use('shop')
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if (shop) {
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return shop.load_config()
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}
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} catch (e) {
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// Shop not available yet
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}
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return null
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}
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// Check if a bare import should be routed to an alias
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ModuleResolver.check_alias = function(request) {
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var config = ModuleResolver.get_shop_config()
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if (!config) return null
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var first_segment = request.split('/')[0]
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// Check dependencies
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if (config.dependencies && config.dependencies[first_segment]) {
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return '/' + request
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}
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// Check aliases
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if (config.aliases && config.aliases[first_segment]) {
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var actual = config.aliases[first_segment]
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return '/' + actual + request.substring(first_segment.length)
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}
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// Check for single-alias fallback
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if (config.dependencies && Object.keys(config.dependencies).length === 1) {
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// If only one dependency and no local file matches, route there
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var only_dep = Object.keys(config.dependencies)[0]
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return '/' + only_dep + '/' + request
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}
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return null
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}
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return ModuleResolver |