meriyah - npm Package Compare versions

Comparing version 0.6.2 to 1.0.0

dist/meriyah.d.ts

@@ -6,3 +6,3 @@ import { Options } from './parser';
 export declare function parse(source: string, options: Options | void): ESTree.Program;
-export declare const version = "0.6.2";
+export declare const version = "1.0.0";
 //# sourceMappingURL=meriyah.d.ts.map

package.json

 {
   "name": "meriyah",
-  "version": "0.6.2",
+  "version": "1.0.0",
   "description": "A 100% compliant, self-hosted javascript parser with high focus on both performance and stability",
@@ -5,0 +5,0 @@ "main": "dist/meriyah.umd.js",

src/errors.ts

@@ -29,5 +29,5 @@ import { ParserState } from './common';
   ExpectedToken,
-  InvalidLHS,
-  InvalidLHSInAsyncArrow,
-  InvalidLHSValidRHS,
+  CantAssignTo,
+  CantAssignToAsyncArrow,
+  CantAssignToValidRHS,
   SuperNoConstructor,
@@ -47,3 +47,3 @@ InvalidSuperProperty,
   RestMissingArg,
-  InvalidLHSInit,
+  CantAssignToInit,
   InvalidGeneratorGetter,
@@ -80,10 +80,6 @@ InvalidComputedPropName,
   InvalidDestructuringTarget,
-  InvalidRestObjBinding,
   RestDefaultInitializer,
-  NotDestructibeRestArg,
   InvalidRestNotLast,
   InvalidRestArg,
   InvalidRestDefault,
-  InvalidArrowDefaultYield,
-  InvalidExprInGroupAssign,
   StrictFunction,
@@ -94,3 +90,3 @@ SloppyFunction,
   InvalidAwaitIdent,
-  InvalidLHSInOfForLoop,
+  CantAssignToInOfForLoop,
   InvalidAssignmentInOfForLoop,
@@ -108,3 +104,2 @@ InvalidForAwait,
   IllegalReturn,
-  InvalidForLHSBinding,
   InvalidNewTarget,
@@ -122,4 +117,2 @@ InvalidEscapedKeyword,
   InvalidImportExportSloppy,
-  InvalidExportAtTopLevel,
-  InvalidNestedExport,
   UnicodeOverflow,
@@ -129,3 +122,2 @@ InvalidExportImportSource,
   InvalidDefaultImport,
-  NoIdentOrDynamicName,
   TrailingDecorators,
@@ -146,3 +138,3 @@ GeneratorConstructor,
   InvalidPatternTail,
-  ForLoopInvalidLHS,
+  ForLoopCantAssignTo,
   AsyncFunctionInSingleStatementContext,
@@ -200,3 +192,3 @@ InvalidTernaryYield,
   [Errors.IllegalCaracter]: "Illegal character '%0'",
-  [Errors.MissingHexDigits]: 'Missing hex digits',
+  [Errors.MissingHexDigits]: 'Missing hexadecimal digits',
   [Errors.InvalidImplicitOctals]: 'Invalid implicit octal',
@@ -206,5 +198,5 @@ [Errors.InvalidStringLT]: 'Invalid line break in string literal',
   [Errors.ExpectedToken]: "Expected '%0'",
-  [Errors.InvalidLHS]: 'Invalid left-hand side in assignment',
-  [Errors.InvalidLHSInAsyncArrow]: 'Invalid left-hand side in async arrow',
-  [Errors.InvalidLHSValidRHS]: 'Only the right-hand side is destructible. The left-hand side is invalid',
+  [Errors.CantAssignTo]: 'Invalid left-hand side in assignment',
+  [Errors.CantAssignToAsyncArrow]: 'Invalid left-hand side in async arrow',
+  [Errors.CantAssignToValidRHS]: 'Invalid left-hand side assignment to a destructible right-hand side',
   [Errors.SuperNoConstructor]:
@@ -227,3 +219,3 @@ 'Calls to super must be in the "constructor" method of a class expression or class declaration that has a superclass',
   [Errors.RestMissingArg]: 'The rest operator is missing an argument',
-  [Errors.InvalidLHSInit]: 'Cannot assign to lhs, not destructible with this initializer',
+  [Errors.CantAssignToInit]: 'Cannot assign to lhs, not destructible with this initializer',
   [Errors.InvalidGeneratorGetter]: 'A getter cannot be a generator',
@@ -251,3 +243,3 @@ [Errors.InvalidComputedPropName]: 'A computed property name must be followed by a colon or paren',
   [Errors.ForInOfLoopMultiBindings]: 'Invalid left-hand side in for-%0 loop: Must have a single binding',
-  [Errors.ForLoopInvalidLHS]: 'Invalid left-hand side in for-loop',
+  [Errors.ForLoopCantAssignTo]: 'Invalid left-hand side in for-loop',
   [Errors.InvalidShorthandPropInit]: 'Invalid shorthand property initializer',
@@ -263,11 +255,5 @@ [Errors.DuplicateProto]: 'Property name __proto__ appears more than once in object literal',
   [Errors.InvalidDestructuringTarget]: 'Invalid destructuring assignment target',
-  [Errors.InvalidRestObjBinding]:
-    'The rest argument of an object binding pattern must always be a simple ident and not an array pattern',
   [Errors.RestDefaultInitializer]: 'Rest parameter may not have a default initializer',
-  [Errors.NotDestructibeRestArg]:
-    'The rest argument was not destructible as it must be last and can not have a trailing comma',
   [Errors.InvalidRestNotLast]: 'The rest argument must the be last parameter',
   [Errors.InvalidRestArg]: 'Invalid rest argument',
-  [Errors.InvalidArrowDefaultYield]: 'The arguments of an arrow cannot contain a yield expression in their defaults',
-  [Errors.InvalidExprInGroupAssign]: 'Cannot assign to list of expressions in a group',
   [Errors.StrictFunction]: 'In strict mode code, functions can only be declared at top level or inside a block',
@@ -280,3 +266,3 @@ [Errors.SloppyFunction]:
   [Errors.InvalidAwaitIdent]: "'await' may not be used as an identifier in this context",
-  [Errors.InvalidLHSInOfForLoop]: 'Invalid left-hand side in for-%0',
+  [Errors.CantAssignToInOfForLoop]: 'Invalid left-hand side in for-%0',
   [Errors.InvalidAssignmentInOfForLoop]: 'Invalid assignment in for-%0',
@@ -296,6 +282,5 @@ [Errors.InvalidForAwait]: 'for await (... of ...) is only valid in async functions and async generators',
   [Errors.IllegalReturn]: 'Illegal return statement',
-  [Errors.InvalidForLHSBinding]: 'The for-header left hand side binding declaration is not destructible',
   [Errors.InvalidNewTarget]: 'new.target only allowed within functions',
   [Errors.InvalidEscapedKeyword]: 'Keywords must be written literally, without embedded escapes',
-  [Errors.MissingPrivateName]: "''#' not followed by identifier",
+  [Errors.MissingPrivateName]: "'#' not followed by identifier",
   [Errors.InvalidStrictStatic]: '`Static` is a reserved word in strict mode',
@@ -311,4 +296,2 @@ [Errors.FutureReservedWordInStrictModeNotId]:
   [Errors.InvalidImportExportSloppy]: 'The %0 keyword can only be used with the module goal',
-  [Errors.InvalidExportAtTopLevel]: 'The `export` keyword is only supported at the top level',
-  [Errors.InvalidNestedExport]: 'The `export` keyword can not be nested in another statement',
   [Errors.UnicodeOverflow]: 'Unicode codepoint must not be greater than 0x10FFFF',
@@ -318,3 +301,2 @@ [Errors.InvalidExportImportSource]: '%0 source must be string',
   [Errors.InvalidDefaultImport]: "Only '*' or '{...}' can be imported after default",
-  [Errors.NoIdentOrDynamicName]: 'Method must have an identifier or dynamic name',
   [Errors.TrailingDecorators]: 'Trailing decorator may be followed by method',
@@ -321,0 +303,0 @@ [Errors.GeneratorConstructor]: "Decorators can't be used with a constructor",

src/lexer/identifier.ts

@@ -6,3 +6,3 @@ import { ParserState, Context } from '../common';
 import { CharTypes, CharFlags, isIdentifierPart } from './charClassifier';
-import { report, Errors } from '../errors';
+import { report, reportAt, Errors } from '../errors';
 import { unicodeLookup } from '../unicode';
@@ -136,4 +136,6 @@
   let codePoint = 0;
+
   // First handle a delimited Unicode escape, e.g. \u{1F4A9}
   if (parser.nextCP === Chars.LeftBrace) {
+    const startPos = parser.index;
     while (CharTypes[nextCP(parser)] & CharFlags.Hex) {
@@ -150,3 +152,3 @@ codePoint = (codePoint << 4) | toHex(parser.nextCP);
     if (codePoint < 1 || (parser.nextCP as number) !== Chars.RightBrace) {
-      report(parser, Errors.InvalidHexEscapeSequence);
+      reportAt(startPos, parser.line, startPos - 1, Errors.InvalidHexEscapeSequence);
     }
@@ -160,7 +162,7 @@ nextCP(parser); // consumes '}'
   const c2 = parser.source.charCodeAt(parser.index + 1);
-  if ((CharTypes[c2] & CharFlags.Hex) === 0) report(parser, Errors.Unexpected);
+  if ((CharTypes[c2] & CharFlags.Hex) === 0) report(parser, Errors.InvalidHexEscapeSequence);
   const c3 = parser.source.charCodeAt(parser.index + 2);
-  if ((CharTypes[c3] & CharFlags.Hex) === 0) report(parser, Errors.Unexpected);
+  if ((CharTypes[c3] & CharFlags.Hex) === 0) report(parser, Errors.InvalidHexEscapeSequence);
   const c4 = parser.source.charCodeAt(parser.index + 3);
-  if ((CharTypes[c4] & CharFlags.Hex) === 0) report(parser, Errors.Unexpected);
+  if ((CharTypes[c4] & CharFlags.Hex) === 0) report(parser, Errors.InvalidHexEscapeSequence);
 
@@ -167,0 +169,0 @@ codePoint = (toHex(parser.nextCP) << 12) | (toHex(c2) << 8) | (toHex(c3) << 4) | toHex(c4);

src/meriyah.ts

@@ -26,2 +26,2 @@ import { Context } from './common';
 
-export const version = '0.6.2';
+export const version = '1.0.0';

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Number of low quality alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

2563492

decreased by-16.09%

Number of package files

72

decreased by-34.55%

Lines of code

47128

decreased by-10.68%

No dependency changes