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70 lines (70 loc) · 2.19 KB
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const stringifyNode = (node, builder, parentNode, index) => {
const needsSpaceAfter = (prevNode, currentNode) => {
if (!prevNode)
return false;
if (prevNode.type === 'operator' || currentNode.type === 'operator')
return false;
if (prevNode.type === 'punctuation' || currentNode.type === 'punctuation')
return false;
return true;
};
if (parentNode && parentNode.nodes && index !== undefined && index > 0) {
const prevNode = parentNode.nodes[index - 1];
if (needsSpaceAfter(prevNode, node)) {
builder(' ');
}
}
switch (node.type) {
case 'root':
if (node.nodes) {
for (let i = 0; i < node.nodes.length; i++) {
stringifyNode(node.nodes[i], builder, node, i);
}
}
break;
case 'func':
builder(node.name, node, 'start');
builder('(', node);
if (node.nodes) {
for (let i = 0; i < node.nodes.length; i++) {
stringifyNode(node.nodes[i], builder, node, i);
}
}
builder(')', node, 'end');
break;
case 'parentheses':
builder('(', node, 'start');
if (node.nodes) {
for (let i = 0; i < node.nodes.length; i++) {
stringifyNode(node.nodes[i], builder, node, i);
}
}
builder(')', node, 'end');
break;
case 'word':
case 'numeric':
case 'operator':
case 'quoted':
case 'unicodeRange':
case 'punctuation':
builder(node.value || '', node);
break;
case 'comment':
if (node.inline) {
builder(`//${node.text}`, node);
}
else {
builder(`/*${node.text}*/`, node);
}
break;
default:
if (node.value) {
builder(node.value, node);
}
break;
}
};
export const stringify = (node, builder) => {
stringifyNode(node, builder);
};
//# sourceMappingURL=stringify.js.map