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Support for ES2020 export ns from
1 parent 3515f7e commit 6d4c7d0

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Lines changed: 200 additions & 13 deletions

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‎src/nodes.ts‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -316,9 +316,11 @@ export class EmptyStatement {
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export class ExportAllDeclaration {
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readonly type: string;
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readonly source: Literal;
319-
constructor(source: Literal) {
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readonly exported: Identifier | null;
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constructor(source: Literal, exported: Identifier | null) {
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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
@@ -3610,14 +3610,19 @@ export class Parser {
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} else if (this.match('*')) {
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// export * from 'foo';
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this.nextToken();
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let exported: Node.Identifier | null = null;
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if (this.matchContextualKeyword('as')) {
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this.nextToken();
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exported = this.parseIdentifierName();
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}
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if (!this.matchContextualKeyword('from')) {
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const message = this.lookahead.value ? Messages.UnexpectedToken : Messages.MissingFromClause;
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this.throwError(message, this.lookahead.value);
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}
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this.nextToken();
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const src = this.parseModuleSpecifier();
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this.consumeSemicolon();
3620-
exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src));
3625+
exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src, exported));
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} 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 @@
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{
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"type": "Program",
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"body": [
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{
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"type": "ExportAllDeclaration",
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"source": {
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"type": "Literal",
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"value": "someModule",
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"raw": "\"someModule\"",
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"range": [
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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": {
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"type": "Identifier",
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"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,
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"column": 44
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}
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},
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"tokens": [
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{
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"type": "Keyword",
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"value": "export",
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"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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{
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"type": "Punctuator",
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"value": "*",
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"range": [
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7,
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8
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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": 7
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},
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"end": {
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"line": 1,
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"column": 8
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}
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}
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},
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{
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"type": "Identifier",
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"value": "as",
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"range": [
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9,
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11
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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": 9
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},
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"end": {
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"line": 1,
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"column": 11
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}
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}
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},
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{
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"type": "Identifier",
131+
"value": "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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{
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"type": "Identifier",
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"value": "from",
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"range": [
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27,
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31
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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": 27
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},
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"end": {
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"line": 1,
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"column": 31
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}
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}
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},
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{
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"type": "String",
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"value": "\"someModule\"",
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"range": [
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32,
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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": 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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]
184+
}

‎test/test-262-whitelist.txt‎

Lines changed: 5 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -2419,14 +2419,6 @@ test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-
24192419
test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-spread-operator.js(strict mode)
24202420
test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-undefined.js(default)
24212421
test/language/arguments-object/cls-expr-private-meth-static-args-trailing-comma-undefined.js(strict mode)
2422-
test/language/module-code/eval-rqstd-once.js(default)
2423-
test/language/module-code/eval-rqstd-once.js(strict mode)
2424-
test/language/module-code/eval-rqstd-order.js(default)
2425-
test/language/module-code/eval-rqstd-order.js(strict mode)
2426-
test/language/module-code/eval-self-once.js(default)
2427-
test/language/module-code/eval-self-once.js(strict mode)
2428-
test/language/module-code/instn-once.js(default)
2429-
test/language/module-code/instn-once.js(strict mode)
24302422
test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-done.js(default)
24312423
test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-done.js(strict mode)
24322424
test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-value.js(default)
@@ -15156,8 +15148,6 @@ test/language/module-code/export-expname-from-string.js(default)
1515615148
test/language/module-code/export-expname-from-string.js(strict mode)
1515715149
test/language/module-code/export-expname-import-string-binding.js(default)
1515815150
test/language/module-code/export-expname-import-string-binding.js(strict mode)
15159-
test/language/module-code/export-star-as-dflt.js(default)
15160-
test/language/module-code/export-star-as-dflt.js(strict mode)
1516115151
test/annexB/built-ins/escape/argument_bigint.js(default)
1516215152
test/annexB/built-ins/escape/argument_bigint.js(strict mode)
1516315153
test/annexB/built-ins/unescape/argument_bigint.js(default)
@@ -17466,4 +17456,8 @@ test/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl
1746617456
test/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js(default)
1746717457
test/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js(default)
1746817458
test/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js(default)
17469-
test/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js(strict mode)
17459+
test/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js(strict mode)
17460+
test/language/module-code/early-dup-export-as-star-as.js(default)
17461+
test/language/module-code/early-dup-export-as-star-as.js(strict mode)
17462+
test/language/module-code/early-dup-export-star-as-dflt.js(default)
17463+
test/language/module-code/early-dup-export-star-as-dflt.js(strict mode)

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