32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
"use strict"
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const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g
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const tt = require("acorn").tokTypes
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module.exports = function(Parser) {
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return class extends Parser {
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parseExport(node, exports) {
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skipWhiteSpace.lastIndex = this.pos
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const skip = skipWhiteSpace.exec(this.input)
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const next = this.input.charAt(this.pos + skip[0].length)
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if (next !== "*") return super.parseExport(node, exports)
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this.next()
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const specifier = this.startNode()
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this.expect(tt.star)
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if (this.eatContextual("as")) {
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node.declaration = null
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specifier.exported = this.parseIdent(true)
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this.checkExport(exports, specifier.exported.name, this.lastTokStart)
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node.specifiers = [this.finishNode(specifier, "ExportNamespaceSpecifier")]
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}
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this.expectContextual("from")
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if (this.type !== tt.string) this.unexpected()
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node.source = this.parseExprAtom()
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this.semicolon()
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return this.finishNode(node, node.specifiers ? "ExportNamedDeclaration" : "ExportAllDeclaration")
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}
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}
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}
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