es-abstract - npm Package Compare versions

Comparing version 1.10.0 to 1.11.0

.jscs.json

@@ -161,10 +161,10 @@ {
 
-    "requireSpaceBeforeObjectValues": true,
-    "requireSpaceBeforeDestructuredValues": true,
+	"requireSpaceBeforeObjectValues": true,
+	"requireSpaceBeforeDestructuredValues": true,
 
 	"disallowSpacesInsideTemplateStringPlaceholders": true,
 
-    "disallowArrayDestructuringReturn": false,
+	"disallowArrayDestructuringReturn": false,
 
-    "requireNewlineBeforeSingleStatementsInIf": false,
+	"requireNewlineBeforeSingleStatementsInIf": false,
 
@@ -171,0 +171,0 @@ "disallowUnusedVariables": true,

CHANGELOG.md

@@ -1,3 +0,9 @@
-1.9.0 / 2017-11-24
+1.11.0 / 2018-03-21
 =================
+  * [New] `ES2015+`: add iterator abstract ops
+  * [Dev Deps] update `eslint`, `nsp`, `object.assign`, `semver`, `tape`
+  * [Tests] up to `node` `v9.8`, `v8.10`, `v6.13`
+
+1.10.0 / 2017-11-24
+=================
   * [New] ES2015+: `AdvanceStringIndex`
@@ -4,0 +10,0 @@ * [Dev Deps] update `eslint`, `nsp`

es2015.js

@@ -8,2 +8,3 @@ 'use strict';
 var hasSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol';
+var SymbolIterator = hasSymbols ? Symbol.iterator : null;
 
@@ -432,2 +433,91 @@ var $isNaN = require('./helpers/isNaN');
 
+	// http://ecma-international.org/ecma-262/6.0/#sec-getiterator
+	GetIterator: function GetIterator(obj, method) {
+		if (!hasSymbols) {
+			throw new SyntaxError('ES.GetIterator depends on native iterator support.');
+		}
+
+		var actualMethod = method;
+		if (arguments.length < 2) {
+			actualMethod = this.GetMethod(obj, SymbolIterator);
+		}
+		var iterator = this.Call(actualMethod, obj);
+		if (this.Type(iterator) !== 'Object') {
+			throw new TypeError('iterator must return an object');
+		}
+
+		return iterator;
+	},
+
+	// http://ecma-international.org/ecma-262/6.0/#sec-iteratornext
+	IteratorNext: function IteratorNext(iterator, value) {
+		var result = this.Invoke(iterator, 'next', arguments.length < 2 ? [] : [value]);
+		if (this.Type(result) !== 'Object') {
+			throw new TypeError('iterator next must return an object');
+		}
+		return result;
+	},
+
+	// http://ecma-international.org/ecma-262/6.0/#sec-iteratorcomplete
+	IteratorComplete: function IteratorComplete(iterResult) {
+		if (this.Type(iterResult) !== 'Object') {
+			throw new TypeError('Assertion failed: Type(iterResult) is not Object');
+		}
+		return this.ToBoolean(this.Get(iterResult, 'done'));
+	},
+
+	// http://ecma-international.org/ecma-262/6.0/#sec-iteratorvalue
+	IteratorValue: function IteratorValue(iterResult) {
+		if (this.Type(iterResult) !== 'Object') {
+			throw new TypeError('Assertion failed: Type(iterResult) is not Object');
+		}
+		return this.Get(iterResult, 'value');
+	},
+
+	// http://ecma-international.org/ecma-262/6.0/#sec-iteratorstep
+	IteratorStep: function IteratorStep(iterator) {
+		var result = this.IteratorNext(iterator);
+		var done = this.IteratorComplete(result);
+		return done === true ? false : result;
+	},
+
+	// http://ecma-international.org/ecma-262/6.0/#sec-iteratorclose
+	IteratorClose: function IteratorClose(iterator, completion) {
+		if (this.Type(iterator) !== 'Object') {
+			throw new TypeError('Assertion failed: Type(iterator) is not Object');
+		}
+		if (!this.IsCallable(completion)) {
+			throw new TypeError('Assertion failed: completion is not a thunk for a Completion Record');
+		}
+		var completionThunk = completion;
+
+		var iteratorReturn = this.GetMethod(iterator, 'return');
+
+		if (typeof iteratorReturn === 'undefined') {
+			return completionThunk();
+		}
+
+		var completionRecord;
+		try {
+			var innerResult = this.Call(iteratorReturn, iterator, []);
+		} catch (e) {
+			// if we hit here, then "e" is the innerResult completion that needs re-throwing
+
+			// if the completion is of type "throw", this will throw.
+			completionRecord = completionThunk();
+			completionThunk = null; // ensure it's not called twice.
+
+			// if not, then return the innerResult completion
+			throw e;
+		}
+		completionRecord = completionThunk(); // if innerResult worked, then throw if the completion does
+		completionThunk = null; // ensure it's not called twice.
+
+		if (this.Type(innerResult) !== 'Object') {
+			throw new TypeError('iterator .return must return an object');
+		}
+
+		return completionRecord;
+	},
+
 	// http://ecma-international.org/ecma-262/6.0/#sec-createiterresultobject
@@ -434,0 +524,0 @@ CreateIterResultObject: function CreateIterResultObject(value, done) {

package.json

 {
 	"name": "es-abstract",
-	"version": "1.10.0",
+	"version": "1.11.0",
 	"author": {
@@ -58,13 +58,13 @@ "name": "Jordan Harband",
 		"editorconfig-tools": "^0.1.1",
-		"eslint": "^4.11.0",
+		"eslint": "^4.19.0",
 		"foreach": "^2.0.5",
 		"jscs": "^3.0.7",
-		"nsp": "^3.1.0",
+		"nsp": "^3.2.1",
 		"nyc": "^10.3.2",
 		"object-is": "^1.0.1",
-		"object.assign": "^4.0.4",
+		"object.assign": "^4.1.0",
 		"replace": "^0.3.0",
 		"safe-publish-latest": "^1.1.1",
-		"semver": "^5.4.1",
-		"tape": "^4.8.0"
+		"semver": "^5.5.0",
+		"tape": "^4.9.0"
 	},
@@ -71,0 +71,0 @@ "testling": {

test/es2015.js

@@ -8,5 +8,5 @@ 'use strict';
 // jscs:disable
-var expectedMissing = ['CreateMethodProperty', 'DefinePropertyOrThrow', 'DeletePropertyOrThrow', 'Construct', 'SetIntegrityLevel', 'TestIntegrityLevel', 'CreateArrayFromList', 'CreateListFromArrayLike', 'OrdinaryHasInstance', 'EnumerableOwnNames', 'GetIterator', 'IteratorNext', 'IteratorComplete', 'IteratorValue', 'IteratorStep', 'IteratorClose', 'CreateListIterator', 'thisNumberValue', 'thisTimeValue', 'thisStringValue', 'RegExpBuiltinExec', 'IsPromise'];
+var expectedMissing = ['CreateMethodProperty', 'DefinePropertyOrThrow', 'DeletePropertyOrThrow', 'Construct', 'SetIntegrityLevel', 'TestIntegrityLevel', 'CreateArrayFromList', 'CreateListFromArrayLike', 'OrdinaryHasInstance', 'EnumerableOwnNames', 'CreateListIterator', 'thisNumberValue', 'thisTimeValue', 'thisStringValue', 'RegExpBuiltinExec', 'IsPromise'];
 // jscs:enable
 
 require('./tests').es2015(ES, ops, expectedMissing);

test/es2016.js

@@ -8,5 +8,5 @@ 'use strict';
 // jscs:disable
-var expectedMissing = ['CreateMethodProperty', 'DefinePropertyOrThrow', 'DeletePropertyOrThrow', 'Construct', 'SetIntegrityLevel', 'TestIntegrityLevel', 'CreateArrayFromList', 'CreateListFromArrayLike', 'OrdinaryHasInstance', 'EnumerableOwnNames', 'GetIterator', 'IteratorNext', 'IteratorComplete', 'IteratorValue', 'IteratorStep', 'IteratorClose', 'CreateListIterator', 'thisNumberValue', 'thisTimeValue', 'thisStringValue', 'RegExpBuiltinExec', 'IsPromise'];
+var expectedMissing = ['CreateMethodProperty', 'DefinePropertyOrThrow', 'DeletePropertyOrThrow', 'Construct', 'SetIntegrityLevel', 'TestIntegrityLevel', 'CreateArrayFromList', 'CreateListFromArrayLike', 'OrdinaryHasInstance', 'EnumerableOwnNames', 'CreateListIterator', 'thisNumberValue', 'thisTimeValue', 'thisStringValue', 'RegExpBuiltinExec', 'IsPromise'];
 // jscs:enable
 
 require('./tests').es2016(ES, ops, expectedMissing);

test/es2017.js

@@ -8,5 +8,5 @@ 'use strict';
 // jscs:disable
-var expectedMissing = ['CreateMethodProperty', 'DefinePropertyOrThrow', 'DeletePropertyOrThrow', 'Construct', 'SetIntegrityLevel', 'TestIntegrityLevel', 'CreateArrayFromList', 'CreateListFromArrayLike', 'OrdinaryHasInstance', 'EnumerableOwnProperties', 'GetIterator', 'IteratorNext', 'IteratorComplete', 'IteratorValue', 'IteratorStep', 'IteratorClose', 'CreateListIterator', 'thisNumberValue', 'thisTimeValue', 'thisStringValue', 'RegExpBuiltinExec', 'IsPromise'];
+var expectedMissing = ['CreateMethodProperty', 'DefinePropertyOrThrow', 'DeletePropertyOrThrow', 'Construct', 'SetIntegrityLevel', 'TestIntegrityLevel', 'CreateArrayFromList', 'CreateListFromArrayLike', 'OrdinaryHasInstance', 'EnumerableOwnProperties', 'CreateListIterator', 'thisNumberValue', 'thisTimeValue', 'thisStringValue', 'RegExpBuiltinExec', 'IsPromise'];
 // jscs:enable
 
 require('./tests').es2017(ES, ops, expectedMissing);

test/tests.js

@@ -1088,2 +1088,14 @@ 'use strict';
 
+	test('GetIterator', { skip: true });
+
+	test('IteratorNext', { skip: true });
+
+	test('IteratorComplete', { skip: true });
+
+	test('IteratorValue', { skip: true });
+
+	test('IteratorStep', { skip: true });
+
+	test('IteratorClose', { skip: true });
+
 	test('CreateIterResultObject', function (t) {
@@ -1090,0 +1102,0 @@ forEach(v.nonBooleans, function (nonBoolean) {

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Improved metrics

Total package byte prevSize

151813

increased by2.47%

Lines of code

3049

increased by2.73%

No dependency changes