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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.needsWhitespace = needsWhitespace;
exports.needsWhitespaceBefore = needsWhitespaceBefore;
exports.needsWhitespaceAfter = needsWhitespaceAfter;
exports.needsParens = needsParens;
var whitespace = require("./whitespace");
var parens = require("./parentheses");
var _t = require("@babel/types");
const {
FLIPPED_ALIAS_KEYS,
isCallExpression,
isExpressionStatement,
isMemberExpression,
isNewExpression
} = _t;
function expandAliases(obj) {
const newObj = {};
function add(type, func) {
const fn = newObj[type];
newObj[type] = fn ? function (node, parent, stack) {
const result = fn(node, parent, stack);
return result == null ? func(node, parent, stack) : result;
} : func;
}
for (const type of Object.keys(obj)) {
const aliases = FLIPPED_ALIAS_KEYS[type];
if (aliases) {
for (const alias of aliases) {
add(alias, obj[type]);
}
} else {
add(type, obj[type]);
}
}
return newObj;
}
const expandedParens = expandAliases(parens);
const expandedWhitespaceNodes = expandAliases(whitespace.nodes);
const expandedWhitespaceList = expandAliases(whitespace.list);
function find(obj, node, parent, printStack) {
const fn = obj[node.type];
return fn ? fn(node, parent, printStack) : null;
}
function isOrHasCallExpression(node) {
if (isCallExpression(node)) {
return true;
}
return isMemberExpression(node) && isOrHasCallExpression(node.object);
}
function needsWhitespace(node, parent, type) {
if (!node) return 0;
if (isExpressionStatement(node)) {
node = node.expression;
}
let linesInfo = find(expandedWhitespaceNodes, node, parent);
if (!linesInfo) {
const items = find(expandedWhitespaceList, node, parent);
if (items) {
for (let i = 0; i < items.length; i++) {
linesInfo = needsWhitespace(items[i], node, type);
if (linesInfo) break;
}
}
}
if (typeof linesInfo === "object" && linesInfo !== null) {
return linesInfo[type] || 0;
}
return 0;
}
function needsWhitespaceBefore(node, parent) {
return needsWhitespace(node, parent, "before");
}
function needsWhitespaceAfter(node, parent) {
return needsWhitespace(node, parent, "after");
}
function needsParens(node, parent, printStack) {
if (!parent) return false;
if (isNewExpression(parent) && parent.callee === node) {
if (isOrHasCallExpression(node)) return true;
}
return find(expandedParens, node, parent, printStack);
}
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