fix lint errors + cleanup

packages/tidal/hs2js.mjs

@@ -1,130 +0,0 @@
-function runApply(node, scope, ops) {
-  if (node.children.length !== 2)
-    throw new Error(`expected 2 children for node type apply, got ${node.children.length}`);
-  const [fn, arg] = node.children.map((child) => run(child, scope, ops));
-  if (typeof fn !== 'function') {
-    throw new Error(`${node.children[0].text} is not a function`);
-  }
-  // only works if fn is curried!
-  return fn(arg);
-}
-
-function runInfix(left, symbol, right, ops) {
-  const customOp = ops[symbol];
-  if (customOp) {
-    return customOp(left, right);
-  }
-  switch (symbol) {
-    case '+':
-      return left + right;
-    case '-':
-      return left - right;
-    case '*':
-      return left * right;
-    case '/':
-      return left / right;
-    case '$':
-      return left(right);
-    case '&':
-      return right(left);
-    case '.':
-      return (x) => left(right(x));
-    default:
-      throw new Error('unexpected infix operator ' + symbol);
-  }
-}
-
-function curry(patterns, body, scope, ops) {
-  const [variable, ...rest] = patterns;
-  return (arg) => {
-    let _scope = { ...scope, [variable.text]: arg };
-    if (patterns.length === 1) {
-      const result = run(body, _scope, ops);
-      return result;
-    }
-    return curry(rest, body, _scope, ops);
-  };
-}
-
-export function run(node, scope, ops = {}) {
-  let runInScope = (node, scp = scope) => run(node, scp, ops);
-  //console.log("node", node.type, node.text);
-  switch (node.type) {
-    case 'ERROR':
-      throw new Error(`invalid syntax: "${node.text}"`);
-    case 'declarations':
-      let result;
-      node.children.forEach((declaration) => {
-        result = runInScope(declaration);
-      });
-      return result;
-    case 'integer':
-      return Number(node.text);
-    case 'float':
-      return Number(node.text);
-    case 'string':
-      const str = node.text.slice(1, -1);
-      return String(str);
-    case 'lambda':
-      const [_, lpatterns, __, lbody] = node.children;
-      return curry(lpatterns.children, lbody, scope, ops);
-    case 'function':
-      const [fvariable, fpatterns, fbody] = node.children;
-      scope[fvariable.text] = curry(fpatterns.children, fbody, scope, ops);
-      return scope[fvariable.text];
-    case 'list': {
-      return node.children
-        .filter((_, i) => i % 2 === 1) // elements are at odd indices
-        .map((node) => runInScope(node));
-    }
-    case 'match':
-      if (node.children[0].text !== '=' || node.children.length !== 2) {
-        throw new Error('match node so far only support simple assignments');
-      }
-      return runInScope(node.children[1]);
-    case 'bind':
-      if (node.children.length !== 2) throw new Error('expected 2 children for node type bind');
-      if (node.children[0].type !== 'variable') throw new Error('expected variable as first child of bind node');
-      if (node.children[1].type !== 'match') throw new Error('expected match as first child of bind node');
-      const [bvariable, bmatch] = node.children;
-      const value = runInScope(bmatch);
-      scope[bvariable.text] = value;
-      return value;
-    case 'variable':
-      return scope[node.text];
-    case 'infix': {
-      const [a, op, b] = node.children;
-      const symbol = op.text;
-      const [left, right] = [runInScope(a), runInScope(b)];
-      return runInfix(left, symbol, right, ops);
-    }
-    case 'apply':
-      return runApply(node, scope, ops);
-    case 'left_section': {
-      const [_, b, op] = node.children;
-      const right = runInScope(b);
-      return (left) => runInfix(left, op.text, right, ops);
-    }
-    case 'right_section': {
-      const [_, op, b] = node.children;
-      const right = runInScope(b);
-      return (left) => runInfix(left, op.text, right, ops);
-    }
-    case 'parens':
-      if (node.children.length !== 3) throw new Error('expected 3 children for node type parens');
-      return runInScope(node.children[1]);
-    default:
-      if (node.children.length === 0) {
-        throw new Error('unhandled leaf type ' + node.type);
-      }
-      if (node.children.length > 1) {
-        throw new Error('unhandled branch type ' + node.type);
-      }
-      return runInScope(node.children[0]);
-  }
-}
-
-export async function evaluate(haskellCode, scope = globalThis, ops) {
-  const ast = await parse(haskellCode);
-  return run(ast.rootNode, scope, ops);
-}

packages/tidal/parser.mjs

@@ -1,22 +0,0 @@
-import Parser from 'web-tree-sitter';
-
-const base = import.meta.env.BASE_URL;
-
-async function loadParser() {
-  await Parser.init({
-    locateFile(scriptName, scriptDirectory) {
-      return `${base}${scriptName}`;
-    },
-  });
-  const parser = new Parser();
-  const Lang = await Parser.Language.load(`${base}tree-sitter-haskell.wasm`);
-  parser.setLanguage(Lang);
-  return parser;
-}
-
-let parserLoaded = loadParser();
-export async function parse(code) {
-  const parser = await parserLoaded;
-  // for some reason, the parser doesn't like new lines..
-  return parser.parse(code.replaceAll('\n\n', '~~~~').replaceAll('\n', '').replaceAll('~~~~', '\n'));
-}