com.google.javascript.jscomp.deps

Class ModuleResolver

java.lang.Object

com.google.javascript.jscomp.deps.ModuleResolver

Direct Known Subclasses:

BrowserModuleResolver, NodeModuleResolver

public abstract class ModuleResolver
extends Object

Base class for algorithms that resolve JavaScript module references to input files.

Field Summary

Fields

Modifier and Type	Field and Description
protected ErrorHandler	errorHandler
protected com.google.common.collect.ImmutableSet<String>	modulePaths The set of all known input module URIs (including trailing .js), after normalization.
protected com.google.common.collect.ImmutableList<String>	moduleRootPaths Root URIs to match module roots against.

Constructor Summary

Constructors

Constructor and Description
ModuleResolver(com.google.common.collect.ImmutableSet<String> modulePaths, com.google.common.collect.ImmutableList<String> moduleRootPaths, ErrorHandler errorHandler)

Method Summary

Modifier and Type	Method and Description
protected String	canonicalizePath(String scriptAddress, String moduleAddress) Normalizes a module path reference.
protected String	locate(String scriptAddress, String name) Locates the module with the given name, but returns null if there is no JS file in the expected location.
abstract String	resolveJsModule(String scriptAddress, String moduleAddress, String sourcename, int lineno, int colno)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

modulePaths

protected final com.google.common.collect.ImmutableSet<String> modulePaths

The set of all known input module URIs (including trailing .js), after normalization.

moduleRootPaths

protected final com.google.common.collect.ImmutableList<String> moduleRootPaths

Root URIs to match module roots against.

errorHandler

protected final ErrorHandler errorHandler

Constructor Detail

ModuleResolver

public ModuleResolver(com.google.common.collect.ImmutableSet<String> modulePaths,
                      com.google.common.collect.ImmutableList<String> moduleRootPaths,
                      ErrorHandler errorHandler)

Method Detail

resolveJsModule

@Nullable
public abstract String resolveJsModule(String scriptAddress,
                                                 String moduleAddress,
                                                 String sourcename,
                                                 int lineno,
                                                 int colno)

locate

@Nullable
protected String locate(String scriptAddress,
                                  String name)

Locates the module with the given name, but returns null if there is no JS file in the expected location.

canonicalizePath

protected String canonicalizePath(String scriptAddress,
                                  String moduleAddress)

Normalizes a module path reference. Includes escaping special characters and converting relative paths to absolute references.