| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| exports.getFirstSemanticOrSyntacticError = void 0; |
| const typescript_1 = require("typescript"); |
| /** |
| * By default, diagnostics from the TypeScript compiler contain all errors - regardless of whether |
| * they are related to generic ECMAScript standards, or TypeScript-specific constructs. |
| * |
| * Therefore, we filter out all diagnostics, except for the ones we explicitly want to consider when |
| * the user opts in to throwing errors on semantic issues. |
| */ |
| function getFirstSemanticOrSyntacticError(program, ast) { |
| try { |
| const supportedSyntacticDiagnostics = whitelistSupportedDiagnostics(program.getSyntacticDiagnostics(ast)); |
| if (supportedSyntacticDiagnostics.length) { |
| return convertDiagnosticToSemanticOrSyntacticError(supportedSyntacticDiagnostics[0]); |
| } |
| const supportedSemanticDiagnostics = whitelistSupportedDiagnostics(program.getSemanticDiagnostics(ast)); |
| if (supportedSemanticDiagnostics.length) { |
| return convertDiagnosticToSemanticOrSyntacticError(supportedSemanticDiagnostics[0]); |
| } |
| return undefined; |
| } |
| catch (e) { |
| /** |
| * TypeScript compiler has certain Debug.fail() statements in, which will cause the diagnostics |
| * retrieval above to throw. |
| * |
| * E.g. from ast-alignment-tests |
| * "Debug Failure. Shouldn't ever directly check a JsxOpeningElement" |
| * |
| * For our current use-cases this is undesired behavior, so we just suppress it |
| * and log a a warning. |
| */ |
| /* istanbul ignore next */ |
| console.warn(`Warning From TSC: "${e.message}`); // eslint-disable-line no-console |
| /* istanbul ignore next */ |
| return undefined; |
| } |
| } |
| exports.getFirstSemanticOrSyntacticError = getFirstSemanticOrSyntacticError; |
| function whitelistSupportedDiagnostics(diagnostics) { |
| return diagnostics.filter(diagnostic => { |
| switch (diagnostic.code) { |
| case 1013: // "A rest parameter or binding pattern may not have a trailing comma." |
| case 1014: // "A rest parameter must be last in a parameter list." |
| case 1044: // "'{0}' modifier cannot appear on a module or namespace element." |
| case 1045: // "A '{0}' modifier cannot be used with an interface declaration." |
| case 1048: // "A rest parameter cannot have an initializer." |
| case 1049: // "A 'set' accessor must have exactly one parameter." |
| case 1070: // "'{0}' modifier cannot appear on a type member." |
| case 1071: // "'{0}' modifier cannot appear on an index signature." |
| case 1085: // "Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '{0}'." |
| case 1090: // "'{0}' modifier cannot appear on a parameter." |
| case 1096: // "An index signature must have exactly one parameter." |
| case 1097: // "'{0}' list cannot be empty." |
| case 1098: // "Type parameter list cannot be empty." |
| case 1099: // "Type argument list cannot be empty." |
| case 1117: // "An object literal cannot have multiple properties with the same name in strict mode." |
| case 1121: // "Octal literals are not allowed in strict mode." |
| case 1123: // "Variable declaration list cannot be empty." |
| case 1141: // "String literal expected." |
| case 1162: // "An object member cannot be declared optional." |
| case 1164: // "Computed property names are not allowed in enums." |
| case 1172: // "'extends' clause already seen." |
| case 1173: // "'extends' clause must precede 'implements' clause." |
| case 1175: // "'implements' clause already seen." |
| case 1176: // "Interface declaration cannot have 'implements' clause." |
| case 1190: // "The variable declaration of a 'for...of' statement cannot have an initializer." |
| case 1196: // "Catch clause variable type annotation must be 'any' or 'unknown' if specified." |
| case 1200: // "Line terminator not permitted before arrow." |
| case 1206: // "Decorators are not valid here." |
| case 1211: // "A class declaration without the 'default' modifier must have a name." |
| case 1242: // "'abstract' modifier can only appear on a class, method, or property declaration." |
| case 1246: // "An interface property cannot have an initializer." |
| case 1255: // "A definite assignment assertion '!' is not permitted in this context." |
| case 1308: // "'await' expression is only allowed within an async function." |
| case 2364: // "The left-hand side of an assignment expression must be a variable or a property access." |
| case 2369: // "A parameter property is only allowed in a constructor implementation." |
| case 2452: // "An enum member cannot have a numeric name." |
| case 2462: // "A rest element must be last in a destructuring pattern." |
| case 8017: // "Octal literal types must use ES2015 syntax. Use the syntax '{0}'." |
| case 17012: // "'{0}' is not a valid meta-property for keyword '{1}'. Did you mean '{2}'?" |
| case 17013: // "Meta-property '{0}' is only allowed in the body of a function declaration, function expression, or constructor." |
| return true; |
| } |
| return false; |
| }); |
| } |
| function convertDiagnosticToSemanticOrSyntacticError(diagnostic) { |
| return Object.assign(Object.assign({}, diagnostic), { message: (0, typescript_1.flattenDiagnosticMessageText)(diagnostic.messageText, typescript_1.sys.newLine) }); |
| } |
| //# sourceMappingURL=semantic-or-syntactic-errors.js.map |
