How to use @typescript-eslint/typescript-estree - 10 common examples

To help you get started, we’ve selected a few @typescript-eslint/typescript-estree examples, based on popular ways it is used in public projects.

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github sikidamjanovic / cowrite / node_modules / @typescript-eslint / parser / dist / parser.js View on Github external
});
    if (typeof options.filePath === 'string') {
        const tsx = options.filePath.endsWith('.tsx');
        if (tsx || options.filePath.endsWith('.ts')) {
            parserOptions.jsx = tsx;
        }
    }
    /**
     * Allow the user to suppress the warning from typescript-estree if they are using an unsupported
     * version of TypeScript
     */
    const warnOnUnsupportedTypeScriptVersion = validateBoolean(options.warnOnUnsupportedTypeScriptVersion, true);
    if (!warnOnUnsupportedTypeScriptVersion) {
        parserOptions.loggerFn = false;
    }
    const { ast, services } = typescript_estree_1.parseAndGenerateServices(code, parserOptions);
    ast.sourceType = options.sourceType;
    simple_traverse_1.simpleTraverse(ast, {
        enter(node) {
            switch (node.type) {
                // Function#body cannot be null in ESTree spec.
                case 'FunctionExpression':
                    if (!node.body) {
                        // eslint-disable-next-line @typescript-eslint/no-explicit-any
                        node.type = `TSEmptyBody${node.type}`;
                    }
                    break;
                // no default
            }
        },
    });
    const scopeManager = analyze_scope_1.analyzeScope(ast, options);
github typescript-eslint / typescript-eslint / packages / parser / src / parser.ts View on Github external
}
  }

  /**
   * Allow the user to suppress the warning from typescript-estree if they are using an unsupported
   * version of TypeScript
   */
  const warnOnUnsupportedTypeScriptVersion = validateBoolean(
    options.warnOnUnsupportedTypeScriptVersion,
    true,
  );
  if (!warnOnUnsupportedTypeScriptVersion) {
    parserOptions.loggerFn = false;
  }

  const { ast, services } = parseAndGenerateServices(code, parserOptions);
  ast.sourceType = options.sourceType;

  simpleTraverse(ast, {
    enter(node) {
      switch (node.type) {
        // Function#body cannot be null in ESTree spec.
        case 'FunctionExpression':
          if (!node.body) {
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            node.type = `TSEmptyBody${node.type}` as any;
          }
          break;
        // no default
      }
    },
  });
github Halliwood / ts2lua / gen / LuaMaker.js View on Github external
function LuaMaker() {
        this.noBraceTypes = [typescript_estree_1.AST_NODE_TYPES.MemberExpression, typescript_estree_1.AST_NODE_TYPES.ThisExpression, typescript_estree_1.AST_NODE_TYPES.Identifier, typescript_estree_1.AST_NODE_TYPES.CallExpression, typescript_estree_1.AST_NODE_TYPES.TSAsExpression, typescript_estree_1.AST_NODE_TYPES.TSTypeAssertion, typescript_estree_1.AST_NODE_TYPES.Super];
        // TODO: Typeof's return value may be different between ts and lua
        this.tsType2luaType = {
            'undefined': 'nil',
            'object': 'table'
        };
        this.ignoreExpressionType = [typescript_estree_1.AST_NODE_TYPES.MemberExpression, typescript_estree_1.AST_NODE_TYPES.Identifier];
        this.luaKeyWords = ['and', 'break', 'do', 'else', 'elseif', 'end', 'false', 'for', 'function', 'if', 'in', 'local', 'nil', 'not', 'or', 'repeat', 'return', 'then', 'true', 'until', 'while'];
        this.pv = 0;
        this.operatorPriorityMap = {};
        this.isDevMode = false;
        this.funcReplConf = {};
        this.regexReplConf = {};
        this.usedIdMapByClass = {};
        this.importAsts = [];
        this.imports = [];
        this.importMapByClass = {};
github sikidamjanovic / cowrite / node_modules / @typescript-eslint / parser / dist / parser.js View on Github external
const analyze_scope_1 = require("./analyze-scope");
const simple_traverse_1 = require("./simple-traverse");
const visitor_keys_1 = require("./visitor-keys");
// note - cannot migrate this to an import statement because it will make TSC copy the package.json to the dist folder
const packageJSON = require('../package.json');
function validateBoolean(value, fallback = false) {
    if (typeof value !== 'boolean') {
        return fallback;
    }
    return value;
}
//------------------------------------------------------------------------------
// Public
//------------------------------------------------------------------------------
exports.version = packageJSON.version;
exports.Syntax = Object.freeze(typescript_estree_1.AST_NODE_TYPES);
function parse(code, options) {
    return parseForESLint(code, options).ast;
}
exports.parse = parse;
function parseForESLint(code, options) {
    if (!options || typeof options !== 'object') {
        options = {};
    }
    // https://eslint.org/docs/user-guide/configuring#specifying-parser-options
    // if sourceType is not provided by default eslint expect that it will be set to "script"
    if (options.sourceType !== 'module' && options.sourceType !== 'script') {
        options.sourceType = 'script';
    }
    if (typeof options.ecmaFeatures !== 'object') {
        options.ecmaFeatures = {};
    }
github storybookjs / storybook / lib / config / src / preshake.ts View on Github external
ast.program.body = ast.program.body.filter((i: any) => {
    // export function a() {}
    // export interface Bang {}
    // export type Foo = string | number;
    if (
      i.type === AST_NODE_TYPES.ExportNamedDeclaration &&
      (i.declaration.type === AST_NODE_TYPES.TSTypeAliasDeclaration ||
        i.declaration.type === AST_NODE_TYPES.FunctionDeclaration ||
        i.declaration.type === AST_NODE_TYPES.TSInterfaceDeclaration)
    ) {
      return allowed.includes(i.declaration.id.name);
    }

    // export const manager = {};
    // export const {f,g: h} = {f: 4, g:5};
    if (
      i.type === AST_NODE_TYPES.ExportNamedDeclaration &&
      i.declaration.type === AST_NODE_TYPES.VariableDeclaration
    ) {
      // MUTATION!
      // eslint-disable-next-line no-param-reassign
      i.declaration.declarations = i.declaration.declarations.filter((d: any) => {
github storybookjs / storybook / lib / config / src / preshake.ts View on Github external
// export function a() {}
    // export interface Bang {}
    // export type Foo = string | number;
    if (
      i.type === AST_NODE_TYPES.ExportNamedDeclaration &&
      (i.declaration.type === AST_NODE_TYPES.TSTypeAliasDeclaration ||
        i.declaration.type === AST_NODE_TYPES.FunctionDeclaration ||
        i.declaration.type === AST_NODE_TYPES.TSInterfaceDeclaration)
    ) {
      return allowed.includes(i.declaration.id.name);
    }

    // export const manager = {};
    // export const {f,g: h} = {f: 4, g:5};
    if (
      i.type === AST_NODE_TYPES.ExportNamedDeclaration &&
      i.declaration.type === AST_NODE_TYPES.VariableDeclaration
    ) {
      // MUTATION!
      // eslint-disable-next-line no-param-reassign
      i.declaration.declarations = i.declaration.declarations.filter((d: any) => {
        if (d.id.type === AST_NODE_TYPES.ObjectPattern) {
          // MUTATION!
          // eslint-disable-next-line no-param-reassign
          d.id.properties = d.id.properties.filter(
            (p: any) =>
              p.type === AST_NODE_TYPES.Property &&
              p.value.type === AST_NODE_TYPES.Identifier &&
              allowed.includes(p.value.name)
          );
          return !!d.id.properties.length;
        }
github Halliwood / ts2lua / src / gen / LuaMaker.ts View on Github external
import util = require('util');
import path = require('path');
import { TsClassInfo, TsEnumInfo, TsModuleInfo } from './TsCollector';
import { TranslateOption } from './TranslateOption';
import { stringify } from 'querystring';

export class LuaMaker {
  private readonly noBraceTypes = [AST_NODE_TYPES.MemberExpression, AST_NODE_TYPES.ThisExpression, AST_NODE_TYPES.Identifier, AST_NODE_TYPES.CallExpression, AST_NODE_TYPES.TSAsExpression, AST_NODE_TYPES.TSTypeAssertion, AST_NODE_TYPES.Super];

  // TODO: Typeof's return value may be different between ts and lua
  private readonly tsType2luaType = {
    'undefined': 'nil',
    'object': 'table'
  };

  private readonly ignoreExpressionType = [AST_NODE_TYPES.MemberExpression, AST_NODE_TYPES.Identifier];
  
  private readonly luaKeyWords = ['and', 'break', 'do', 'else', 'elseif', 'end', 'false', 'for', 'function', 'if', 'in', 'local', 'nil', 'not', 'or', 'repeat', 'return', 'then', 'true', 'until', 'while'];
  
  private pv = 0;
  private readonly operatorPriorityMap: { [opt: string]: number } = {};

  constructor() {
    this.setPriority(['( … )'], this.pv++);
    this.setPriority(['… . …', '… [ … ]', 'new … ( … )', '… ( … )'], this.pv++);
    this.setPriority(['new …'], this.pv++);
    this.setPriority(['… ++', '… --'], this.pv++);
    this.setPriority(['! …', '~ …', '+ …', '- …', '++ …', '-- …', 'typeof …', 'void …', 'delete …', 'await …'], this.pv++);
    this.setPriority(['… ** …'], this.pv++);
    this.setPriority(['… * …', '… / …', '… % …'], this.pv++);
    this.setPriority(['… + …', '… - …'], this.pv++);
    this.setPriority(['… << …', '… >> …', '… >>> …'], this.pv++);
github Halliwood / ts2lua / src / gen / LuaMaker.ts View on Github external
} else if(optStr == '!=') {
      optStr = '~=';
    } else if(optStr == '===') {
      optStr = '==';
    } else if(optStr == '!==') {
      optStr = '~=';
    }
  
    if(optStr == 'instanceof') {
      return left + ':instanceof(' + right + ')';
    }
  
    let str = '';
    let astType = (ast as any).type;
    if(astType == AST_NODE_TYPES.AssignmentExpression) {
      if(ast.right.type == AST_NODE_TYPES.AssignmentExpression) {
        // 处理 a = b = c
        str = right + '\n';
        right = this.codeFromAST((ast.right as AssignmentExpression).left);
      } else if(ast.right.type == AST_NODE_TYPES.UpdateExpression && (ast.right as UpdateExpression).prefix) {
        // 处理 a = ++b
        str = right + '\n';
        right = this.codeFromAST((ast.right as UpdateExpression).argument);
      }
    } 
  
    if(isSelfOperator) {
      return str + left + ' = ' + left + ' ' + optStr + ' ' + right;
    }
  
    return str + left + ' ' + optStr + ' ' + right;
  }
github storybookjs / storybook / lib / config / src / preshake.ts View on Github external
}

    // export { n as b, m as c };
    if (i.type === AST_NODE_TYPES.ExportNamedDeclaration && i.specifiers) {
      return false;
    }

    // export default class Foo {};
    // @ts-ignore (remove after https://github.com/typescript-eslint/typescript-eslint/pull/378 is merged)
    if (i.type === AST_NODE_TYPES.ExportDefaultDeclaration) {
      throw new Error('ExportAllDeclaration is not supported in Storybook config');
      /* This is not supported because we don't have a config property called 'default' */
    }

    // export * from 'foo';
    if (i.type === AST_NODE_TYPES.ExportAllDeclaration) {
      throw new Error('ExportDefaultDeclaration is not supported in Storybook config');
      /* This is not supported because we'd have to recurse into the modules which would add a lot of complexity */
      /* The solution is the make exports explicit */
    }
    return true;
  }, []);
github storybookjs / storybook / lib / config / src / preshake.ts View on Github external
return allowed.includes(d.id.name);
        }
        return false;
      }, []);

      return !!i.declaration.declarations.length;
    }

    // export { n as b, m as c };
    if (i.type === AST_NODE_TYPES.ExportNamedDeclaration && i.specifiers) {
      return false;
    }

    // export default class Foo {};
    // @ts-ignore (remove after https://github.com/typescript-eslint/typescript-eslint/pull/378 is merged)
    if (i.type === AST_NODE_TYPES.ExportDefaultDeclaration) {
      throw new Error('ExportAllDeclaration is not supported in Storybook config');
      /* This is not supported because we don't have a config property called 'default' */
    }

    // export * from 'foo';
    if (i.type === AST_NODE_TYPES.ExportAllDeclaration) {
      throw new Error('ExportDefaultDeclaration is not supported in Storybook config');
      /* This is not supported because we'd have to recurse into the modules which would add a lot of complexity */
      /* The solution is the make exports explicit */
    }
    return true;
  }, []);

@typescript-eslint/typescript-estree

A parser that converts TypeScript source code into an ESTree compatible form

BSD-2-Clause
Latest version published 4 days ago

Package Health Score

89 / 100
Full package analysis