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add support for export extensions https://github.com/leebyron/ecmascript-more-export-from - closes #1091

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This commit is contained in:
Sebastian McKenzie 2015-03-30 03:38:14 +11:00
parent d93a315df4
commit f794e360f0
1 changed files with 15 additions and 4 deletions
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19
src/statement.js
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@ -559,10 +559,10 @@ pp.parseExport = function(node) {
this.next()
// export * from '...'
if (this.eat(tt.star)) {
this.expectContextual("from")
node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
this.semicolon()
this.checkExport(node)
if (this.options.features["es7.exportExtensions"] && this.eatContextual("as")) {
node.exported = this.parseIdent()
}
this.parseExportFrom(node)
return this.finishNode(node, "ExportAllDeclaration")
}
if (this.eat(tt._default)) { // export default ...
@ -587,6 +587,10 @@ pp.parseExport = function(node) {
node.declaration = this.parseStatement(true)
node.specifiers = []
node.source = null
} else if (this.type === tt.name) {
node.exported = this.parseIdent()
this.parseExportFrom(node)
return this.finishNode(node, "ExportNamespaceDeclaration")
} else { // export { x, y as z } [from '...']
node.declaration = null
node.specifiers = this.parseExportSpecifiers()
@ -601,6 +605,13 @@ pp.parseExport = function(node) {
return this.finishNode(node, "ExportNamedDeclaration")
}
pp.parseExportFrom = function(node) {
this.expectContextual("from")
node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
this.semicolon()
this.checkExport(node)
}
pp.shouldParseExportDeclaration = function() {
return this.options.features["es7.asyncFunctions"] && this.isContextual("async")
}