Class VanSignalGen

java.lang.Object

dev.vanengine.core.compile.VanSignalGen

public final class VanSignalGen
extends Object

Signal-based JavaScript code generator for <script setup> reactive code. Compiles reactive declarations into direct DOM manipulation JS (~4KB runtime).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	VanSignalGen.ClassBinding
static interface	VanSignalGen.ClassItem
static final record	VanSignalGen.ComputedDecl
static final record	VanSignalGen.DynamicAttrBinding
static final record	VanSignalGen.DynamicEventBinding
static final record	VanSignalGen.EventBinding	Event modifiers parsed from @click.prevent.stop → modifiers=["prevent","stop"]
static final record	VanSignalGen.FunctionDecl
static final record	VanSignalGen.HtmlDirectiveBinding
static final record	VanSignalGen.LifecycleDecl
static final record	VanSignalGen.ModelBinding	v-model with modifiers: v-model.lazy.number → modifiers=["lazy","number"]
static final record	VanSignalGen.ReactiveDecl
static final record	VanSignalGen.ScriptAnalysis
static final record	VanSignalGen.ShowBinding
static final record	VanSignalGen.SignalDecl
static final record	VanSignalGen.StyleBinding
static final record	VanSignalGen.TeleportBinding
static final record	VanSignalGen.TemplateBindings
static final record	VanSignalGen.TextBinding
static final record	VanSignalGen.TextDirectiveBinding
static final record	VanSignalGen.WatchDecl
static final record	VanSignalGen.WatchEffectDecl

Method Summary

Modifier and Type	Method	Description
static VanSignalGen.ScriptAnalysis	analyzeScript(String script)
static List<List<Integer>>	collectBindingPaths(VanSignalGen.TemplateBindings bindings)
static List<String>	collectReactiveNamesList(VanSignalGen.ScriptAnalysis analysis)
static String	generateSignals(String scriptSetup, String templateHtml, List<String> moduleCodes, String globalName)
static String	generateSignalsCommentFrom(VanSignalGen.ScriptAnalysis analysis, VanSignalGen.TemplateBindings bindings, List<String> moduleCodes, String globalName)	Generate comment-anchored signal JS from pre-computed analysis and bindings.
static Map.Entry<String, Map<List<Integer>, Integer>>	injectSignalComments(String html, List<List<Integer>> bindingPaths)
static String	jsLiteralToDisplay(String literal)
static List<VanSignalGen.ClassItem>	parseClassExpr(String expr)
static List<String[]>	parseStyleExpr(String expr)
static String	runtimeJs()
static String	runtimeJs(String globalName)
static String	templateToJsExpr(String template, String[] reactiveNames)
static String	transformExpr(String expr, String[] reactiveNames)
static VanSignalGen.TemplateBindings	walkTemplate(String html, String[] reactiveNames)

Methods inherited from class Object

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

Method Details

runtimeJs

public static String runtimeJs()

runtimeJs

public static String runtimeJs(String globalName)

analyzeScript

public static VanSignalGen.ScriptAnalysis analyzeScript(String script)

jsLiteralToDisplay

public static String jsLiteralToDisplay(String literal)

walkTemplate

public static VanSignalGen.TemplateBindings walkTemplate(String html,
 String[] reactiveNames)

transformExpr

public static String transformExpr(String expr,
 String[] reactiveNames)

templateToJsExpr

public static String templateToJsExpr(String template,
 String[] reactiveNames)

parseClassExpr

public static List<VanSignalGen.ClassItem> parseClassExpr(String expr)

parseStyleExpr

public static List<String[]> parseStyleExpr(String expr)

generateSignals

public static String generateSignals(String scriptSetup,
 String templateHtml,
 List<String> moduleCodes,
 String globalName)

generateSignalsCommentFrom

public static String generateSignalsCommentFrom(VanSignalGen.ScriptAnalysis analysis,
 VanSignalGen.TemplateBindings bindings,
 List<String> moduleCodes,
 String globalName)

Generate comment-anchored signal JS from pre-computed analysis and bindings. Avoids redundant analyzeScript/walkTemplate when caller already has results.

injectSignalComments

public static Map.Entry<String, Map<List<Integer>, Integer>> injectSignalComments(String html,
 List<List<Integer>> bindingPaths)

collectReactiveNamesList

public static List<String> collectReactiveNamesList(VanSignalGen.ScriptAnalysis analysis)

collectBindingPaths

public static List<List<Integer>> collectBindingPaths(VanSignalGen.TemplateBindings bindings)