Function setOriginalNode

test/fixtures/snapshot/typescript.js:27638–27646

(node, original)

    ts.createSourceMapSource = createSourceMapSource;
    // Utilities
    function setOriginalNode(node, original) {
        node.original = original;
        if (original) {
            var emitNode = original.emitNode;
            if (emitNode)
                node.emitNode = mergeEmitNode(emitNode, node.emitNode);
        }
        return node;
    }
    ts.setOriginalNode = setOriginalNode;
    function mergeEmitNode(sourceEmitNode, destEmitNode) {
        var flags = sourceEmitNode.flags, leadingComments = sourceEmitNode.leadingComments, trailingComments = sourceEmitNode.trailingComments, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges, constantValue = sourceEmitNode.constantValue, helpers = sourceEmitNode.helpers, startsOnNewLine = sourceEmitNode.startsOnNewLine;