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use Array.from instead of Array.prototype.slice in spread transformer and support NewExpression spreads - fixes #148

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This commit is contained in:
Sebastian McKenzie
2014-11-12 18:38:30 +11:00
parent c235780611
commit 458e3d48f6
23 changed files with 63 additions and 52 deletions
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17
test/fixtures/transformation/classes/accessing-super-class/expected.js vendored
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@@ -1,6 +1,5 @@
"use strict";
var _slice = Array.prototype.slice;
var _classProps = function (child, staticProps, instanceProps) {
if (staticProps) Object.defineProperties(child, staticProps);
@@ -26,11 +25,11 @@ var Test = (function (Foo) {
Foo.prototype.test.call(this);
foob(Foo);
Foo.call.apply(Foo, [this].concat(_slice.call(arguments)));
Foo.call.apply(Foo, [this, "test"].concat(_slice.call(arguments)));
Foo.call.apply(Foo, [this].concat(Array.from(arguments)));
Foo.call.apply(Foo, [this, "test"].concat(Array.from(arguments)));
Foo.prototype.test.call.apply(Foo.prototype, [this].concat(_slice.call(arguments)));
Foo.prototype.test.call.apply(Foo.prototype, [this, "test"].concat(_slice.call(arguments)));
Foo.prototype.test.call.apply(Foo.prototype, [this].concat(Array.from(arguments)));
Foo.prototype.test.call.apply(Foo.prototype, [this, "test"].concat(Array.from(arguments)));
};
_extends(Test, Foo);
@@ -40,8 +39,8 @@ var Test = (function (Foo) {
writable: true,
value: function () {
Foo.foo.call(this);
Foo.foo.call.apply(Foo.foo, [this].concat(_slice.call(arguments)));
Foo.foo.call.apply(Foo.foo, [this, "test"].concat(_slice.call(arguments)));
Foo.foo.call.apply(Foo.foo, [this].concat(Array.from(arguments)));
Foo.foo.call.apply(Foo.foo, [this, "test"].concat(Array.from(arguments)));
}
}
}, {
@@ -49,8 +48,8 @@ var Test = (function (Foo) {
writable: true,
value: function () {
Foo.prototype.test.call(this);
Foo.prototype.test.call.apply(Foo.prototype.test, [this].concat(_slice.call(arguments)));
Foo.prototype.test.call.apply(Foo.prototype.test, [this, "test"].concat(_slice.call(arguments)));
Foo.prototype.test.call.apply(Foo.prototype.test, [this].concat(Array.from(arguments)));
Foo.prototype.test.call.apply(Foo.prototype.test, [this, "test"].concat(Array.from(arguments)));
}
}
});

2
test/fixtures/transformation/rest-parameters/arrow-functions/expected.js vendored
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@@ -3,4 +3,4 @@
var _slice = Array.prototype.slice;
var concat = function () {
var arrs = _slice.call(arguments);
};
};

2
test/fixtures/transformation/rest-parameters/multiple/expected.js vendored
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@@ -7,4 +7,4 @@ var t = function (f) {
function t(f) {
var items = _slice.call(arguments, 1);
}
}

2
test/fixtures/transformation/rest-parameters/single/expected.js vendored
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@@ -7,4 +7,4 @@ var t = function () {
function t() {
var items = _slice.call(arguments);
}
}

5
test/fixtures/transformation/spread/arguments/expected.js vendored
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@@ -1,12 +1,11 @@
"use strict";
var _slice = Array.prototype.slice;
function foo() {
return bar.apply(null, ["test"].concat(_slice.call(arguments)));
return bar.apply(null, ["test"].concat(Array.from(arguments)));
}
function bar(one, two, three) {
return [one, two, three];
}
foo("foo", "bar");
foo("foo", "bar");

3
test/fixtures/transformation/spread/array-literal-first/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
var lyrics = _slice.call(parts).concat(["head", "and", "toes"]);
var lyrics = Array.from(parts).concat(["head", "and", "toes"]);

3
test/fixtures/transformation/spread/array-literal-middle/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
var a = [b].concat(_slice.call(c), [d]);
var a = [b].concat(Array.from(c), [d]);

3
test/fixtures/transformation/spread/array-literal-multiple/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
var a = [b].concat(_slice.call(c), [d, e], _slice.call(f));
var a = [b].concat(Array.from(c), [d, e], Array.from(f));

3
test/fixtures/transformation/spread/array-literals/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
var lyrics = ["head", "and", "toes"].concat(_slice.call(parts));
var lyrics = ["head", "and", "toes"].concat(Array.from(parts));

3
test/fixtures/transformation/spread/contexted-computed-method-call-multiple-args/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
obj[method].apply(obj, [foo, bar].concat(_slice.call(args)));
obj[method].apply(obj, [foo, bar].concat(Array.from(args)));

3
test/fixtures/transformation/spread/contexted-computed-method-call-single-arg/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
obj[method].apply(obj, _slice.call(args));
obj[method].apply(obj, Array.from(args));

5
test/fixtures/transformation/spread/contexted-method-call-multiple-args/expected.js vendored
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@@ -1,5 +1,4 @@
"use strict";
var _slice = Array.prototype.slice;
foob.add.apply(foob, [foo, bar].concat(_slice.call(numbers)));
foob.test.add.apply(foob.test, [foo, bar].concat(_slice.call(numbers)));
foob.add.apply(foob, [foo, bar].concat(Array.from(numbers)));
foob.test.add.apply(foob.test, [foo, bar].concat(Array.from(numbers)));

5
test/fixtures/transformation/spread/contexted-method-call-single-arg/expected.js vendored
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@@ -1,5 +1,4 @@
"use strict";
var _slice = Array.prototype.slice;
foob.add.apply(foob, _slice.call(numbers));
foob.test.add.apply(foob.test, _slice.call(numbers));
foob.add.apply(foob, Array.from(numbers));
foob.test.add.apply(foob.test, Array.from(numbers));

3
test/fixtures/transformation/spread/method-call-first/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
add.apply(null, _slice.call(numbers).concat([foo, bar]));
add.apply(null, Array.from(numbers).concat([foo, bar]));

3
test/fixtures/transformation/spread/method-call-middle/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
add.apply(null, [foo].concat(_slice.call(numbers), [bar]));
add.apply(null, [foo].concat(Array.from(numbers), [bar]));

3
test/fixtures/transformation/spread/method-call-multiple-args/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
add.apply(null, [foo, bar].concat(_slice.call(numbers)));
add.apply(null, [foo, bar].concat(Array.from(numbers)));

3
test/fixtures/transformation/spread/method-call-multiple/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
add.apply(null, [foo].concat(_slice.call(numbers), [bar, what], _slice.call(test)));
add.apply(null, [foo].concat(Array.from(numbers), [bar, what], Array.from(test)));

3
test/fixtures/transformation/spread/method-call-single-arg/expected.js vendored
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@@ -1,4 +1,3 @@
"use strict";
var _slice = Array.prototype.slice;
add.apply(null, _slice.call(numbers));
add.apply(null, Array.from(numbers));

2
test/fixtures/transformation/spread/new-expression/actual.js vendored Normal file
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@@ -0,0 +1,2 @@
new Numbers(...nums);
new Numbers(1, ...nums);

12
test/fixtures/transformation/spread/new-expression/expected.js vendored Normal file
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@@ -0,0 +1,12 @@
"use strict";
var _applyConstructor = function (Constructor, args) {
var bindArgs = [null].concat(args);
var Factory = Constructor.bind.apply(Constructor, bindArgs);
return new Factory();
};
_applyConstructor(Numbers, Array.from(nums));
_applyConstructor(Numbers, [1].concat(Array.from(nums)));