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Support for ES2020 export ns from
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6 files changed

+200
-13
lines changed

6 files changed

+200
-13
lines changed

‎src/nodes.ts

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -330,9 +330,11 @@ export class EmptyStatement {
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export class ExportAllDeclaration {
331331
readonly type: string;
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readonly source: Literal;
333-
constructor(source: Literal) {
333+
readonly exported: Identifier | null;
334+
constructor(source: Literal, exported: Identifier | null) {
334335
this.type = Syntax.ExportAllDeclaration;
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this.source = source;
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this.exported = exported;
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}
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}
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‎src/parser.ts

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3678,14 +3678,19 @@ export class Parser {
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} else if (this.match('*')) {
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// export * from 'foo';
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this.nextToken();
3681+
let exported: Node.Identifier | null = null;
3682+
if (this.matchContextualKeyword('as')) {
3683+
this.nextToken();
3684+
exported = this.parseIdentifierName();
3685+
}
36813686
if (!this.matchContextualKeyword('from')) {
36823687
const message = this.lookahead.value ? Messages.UnexpectedToken : Messages.MissingFromClause;
36833688
this.throwError(message, this.lookahead.value);
36843689
}
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this.nextToken();
36863691
const src = this.parseModuleSpecifier();
36873692
this.consumeSemicolon();
3688-
exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src));
3693+
exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src, exported));
36893694

36903695
} else if (this.lookahead.type === Token.Keyword) {
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// export var f = 1;

‎test/fixtures/ES6/export-declaration/export-from-batch.tree.json

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@
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}
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}
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},
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"exported": null,
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"range": [
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0,
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20

‎test/fixtures/es2020/export-ns-from/goal.module.js

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
export * as someIdentifier from "someModule"

‎test/fixtures/es2020/export-ns-from/goal.module.tree.json

Lines changed: 184 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,184 @@
1+
{
2+
"type": "Program",
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"body": [
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{
5+
"type": "ExportAllDeclaration",
6+
"source": {
7+
"type": "Literal",
8+
"value": "someModule",
9+
"raw": "\"someModule\"",
10+
"range": [
11+
32,
12+
44
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 32
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},
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"end": {
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"line": 1,
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"column": 44
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}
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}
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},
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"exported": {
26+
"type": "Identifier",
27+
"name": "someIdentifier",
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"range": [
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12,
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26
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 12
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},
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"end": {
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"line": 1,
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"column": 26
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}
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}
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},
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"range": [
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0,
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44
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
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"column": 44
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}
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}
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}
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],
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"sourceType": "module",
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"range": [
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0,
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44
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
71+
"column": 44
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}
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},
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"tokens": [
75+
{
76+
"type": "Keyword",
77+
"value": "export",
78+
"range": [
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0,
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6
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
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"column": 6
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}
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}
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},
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{
94+
"type": "Punctuator",
95+
"value": "*",
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"range": [
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7,
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8
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],
100+
"loc": {
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"start": {
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"line": 1,
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"column": 7
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},
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"end": {
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"line": 1,
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"column": 8
108+
}
109+
}
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},
111+
{
112+
"type": "Identifier",
113+
"value": "as",
114+
"range": [
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9,
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11
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],
118+
"loc": {
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"start": {
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"line": 1,
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"column": 9
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},
123+
"end": {
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"line": 1,
125+
"column": 11
126+
}
127+
}
128+
},
129+
{
130+
"type": "Identifier",
131+
"value": "someIdentifier",
132+
"range": [
133+
12,
134+
26
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],
136+
"loc": {
137+
"start": {
138+
"line": 1,
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"column": 12
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},
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"end": {
142+
"line": 1,
143+
"column": 26
144+
}
145+
}
146+
},
147+
{
148+
"type": "Identifier",
149+
"value": "from",
150+
"range": [
151+
27,
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31
153+
],
154+
"loc": {
155+
"start": {
156+
"line": 1,
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"column": 27
158+
},
159+
"end": {
160+
"line": 1,
161+
"column": 31
162+
}
163+
}
164+
},
165+
{
166+
"type": "String",
167+
"value": "\"someModule\"",
168+
"range": [
169+
32,
170+
44
171+
],
172+
"loc": {
173+
"start": {
174+
"line": 1,
175+
"column": 32
176+
},
177+
"end": {
178+
"line": 1,
179+
"column": 44
180+
}
181+
}
182+
}
183+
]
184+
}

‎test/test-262-whitelist.txt

Lines changed: 5 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -2411,14 +2411,6 @@ test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-
24112411
test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-spread-operator.js(strict mode)
24122412
test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-undefined.js(default)
24132413
test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-undefined.js(strict mode)
2414-
test/language/module-code/eval-rqstd-once.js(default)
2415-
test/language/module-code/eval-rqstd-once.js(strict mode)
2416-
test/language/module-code/eval-rqstd-order.js(default)
2417-
test/language/module-code/eval-rqstd-order.js(strict mode)
2418-
test/language/module-code/eval-self-once.js(default)
2419-
test/language/module-code/eval-self-once.js(strict mode)
2420-
test/language/module-code/instn-once.js(default)
2421-
test/language/module-code/instn-once.js(strict mode)
24222414
test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-done.js(default)
24232415
test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-done.js(strict mode)
24242416
test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-value.js(default)
@@ -15134,8 +15126,6 @@ test/language/module-code/export-expname-from-string.js(default)
1513415126
test/language/module-code/export-expname-from-string.js(strict mode)
1513515127
test/language/module-code/export-expname-import-string-binding.js(default)
1513615128
test/language/module-code/export-expname-import-string-binding.js(strict mode)
15137-
test/language/module-code/export-star-as-dflt.js(default)
15138-
test/language/module-code/export-star-as-dflt.js(strict mode)
1513915129
test/annexB/built-ins/escape/argument_bigint.js(default)
1514015130
test/annexB/built-ins/escape/argument_bigint.js(strict mode)
1514115131
test/annexB/built-ins/unescape/argument_bigint.js(default)
@@ -17398,4 +17388,8 @@ test/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl
1739817388
test/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js(default)
1739917389
test/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js(strict mode)
1740017390
test/language/expressions/optional-chaining/call-expression-super-no-base.js(default)
17401-
test/language/expressions/optional-chaining/call-expression-super-no-base.js(strict mode)
17391+
test/language/expressions/optional-chaining/call-expression-super-no-base.js(strict mode)
17392+
test/language/module-code/early-dup-export-as-star-as.js(default)
17393+
test/language/module-code/early-dup-export-as-star-as.js(strict mode)
17394+
test/language/module-code/early-dup-export-star-as-dflt.js(default)
17395+
test/language/module-code/early-dup-export-star-as-dflt.js(strict mode)

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