GeezerVison is showing github.com — Build crashes with "undefined is not an object (evaluating 'node.kind')" when using custom plugin · Issue #1619 · TypeScriptToLua/TypeScriptToLua
Build crashes with "undefined is not an object (evaluating 'node.kind')" when using custom plugin #1619DescriptionApologies for opening an issue again, turns out it wasn't a user error.
Since 1.29.0, using a custom plugin will cause building to fail with this error:
429 | expression.operand = operand;
430 | expression.operator = operator;
431 | return expression;
432 | }
433 | function isBinaryExpression(node) {
434 | return node.kind === SyntaxKind.BinaryExpression;
^
TypeError: undefined is not an object (evaluating 'node.kind')
at isBinaryExpression (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaAST.js:434:12)
at needsParenthesis (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:543:17)
at printExpressionInParenthesesIfNeeded (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:538:21)
at printTableIndexExpression (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:578:26)
at map (1:11)
at printVariableDeclarationStatement (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:286:68)
at printStatement (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:213:31)
at printStatementArray (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:200:31)
at printFile (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:155:35)
at printFile (D:\Programming\reaper-scripting-5\lib\reaper-api\dist\plugins\importFixPlugin.js:21:34)
at print (D:\Programming\reaper-scripting-5\lib\reaper-api\node_modules\typescript-to-lua\dist\LuaPrinter.js:95:37)
at processSourceFile (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\transpilation\transpile.js:66:33)
at <anonymous> (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\transpilation\transformers.js:13:9)
at transformSourceFileOrBundle (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:94907:49)
at transformation (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118154:14)
at transformRoot (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118177:71)
at transformNodes (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118162:56)
at emitJsFileOrBundle (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118707:24)
at emitSourceFileOrBundle (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118665:5)
at forEachEmittedFile (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118429:24)
at emitFiles (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:118647:3)
at <anonymous> (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:125759:13)
at runWithCancellationToken (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:50507:16)
at emitWorker (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:125757:37)
at <anonymous> (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:125728:13)
at runWithCancellationToken (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:125838:14)
at emit (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript\lib\typescript.js:125727:20)
at getProgramTranspileResult (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\transpilation\transpile.js:100:37)
at emit (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\transpilation\transpiler.js:27:100)
at performCompilation (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\tstl.js:90:86)
at executeCommandLine (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\tstl.js:61:13)
at <anonymous> (D:\Programming\reaper-scripting-5\fx-modulation-helper\node_modules\typescript-to-lua\dist\tstl.js:176:1
The following no-op plugin that does nothing will trigger the error:
import * as ts from "typescript";
import * as tstl from "typescript-to-lua";
class CustomPrinter extends tstl.LuaPrinter {}
/** @type {tstl.Plugin} */
const plugin = {
/**
* @param {ts.Program} program
* @param {tstl.EmitHost} emitHost
* @param {string} fileName
* @param {tstl.File} file
* @returns
*/
printer: (program, emitHost, fileName, file) =>
new CustomPrinter(emitHost, program, fileName).print(file),
};
export default plugin;
My tsconfig.json:
{
"$schema": "https://raw.githubusercontent.com/TypeScriptToLua/TypeScriptToLua/master/tsconfig-schema.json",
"compilerOptions": {
"target": "ESNext",
"lib": ["ESNext"],
"moduleResolution": "Node",
"types": ["lua-types/5.4"],
// output settings
"declaration": true,
"rootDir": "src",
"outDir": "dist",
"checkJs": true,
// === google gts config ===
"allowUnreachableCode": false,
"allowUnusedLabels": false,
"forceConsistentCasingInFileNames": true,
"noEmitOnError": true,
"noFallthroughCasesInSwitch": true,
"noImplicitReturns": true,
"pretty": true,
// === google gts config ===
"strict": true
},
"tstl": {
"luaPlugins": [{ "name": "./plugins/importFixPlugin.js" }],
"luaTarget": "5.4",
"luaLibImport": "require-minimal",
"noImplicitGlobalVariables": true
}
}ActivityPerryvw commented on Feb 16, 2025 I cannot reproduce this with the plugin and config you gave. Do you have a minimal TS file that reproduces the error?
Do you have any other plugins or transformers being executed on your code? The error looks familiar to me, but usually these always happen in combination with some transformer or plugins creating synthetic code.
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