Package com.google.javascript.jscomp.deps

Class ModuleResolver

java.lang.Object

com.google.javascript.jscomp.deps.ModuleResolver

Direct Known Subclasses:

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
protected String	canonicalizePath(String scriptAddress, String moduleAddress)	Normalizes a module path reference.
protected @Nullable 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 @Nullable String	resolveJsModule(String scriptAddress, String moduleAddress, String sourcename, int lineno, int colno)
String	resolveModuleAsPath(String scriptAddress, String moduleAddress)
void	setErrorHandler(ErrorHandler errorHandler)

Methods inherited from class java.lang.Object

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

Field Details

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 ErrorHandler errorHandler

Constructor Details

ModuleResolver

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

Method Details

resolveJsModule

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

resolveModuleAsPath

public String resolveModuleAsPath(String scriptAddress,
 String moduleAddress)

locate

protected @Nullable 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.

setErrorHandler

public void setErrorHandler(ErrorHandler errorHandler)