You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
3.5 KiB
120 lines
3.5 KiB
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.TokenContext = void 0;
|
|
exports.isLastChild = isLastChild;
|
|
exports.needsParens = needsParens;
|
|
exports.needsWhitespace = needsWhitespace;
|
|
exports.needsWhitespaceAfter = needsWhitespaceAfter;
|
|
exports.needsWhitespaceBefore = needsWhitespaceBefore;
|
|
var whitespace = require("./whitespace.js");
|
|
var parens = require("./parentheses.js");
|
|
var _t = require("@babel/types");
|
|
const {
|
|
FLIPPED_ALIAS_KEYS,
|
|
VISITOR_KEYS,
|
|
isCallExpression,
|
|
isDecorator,
|
|
isExpressionStatement,
|
|
isMemberExpression,
|
|
isNewExpression,
|
|
isParenthesizedExpression
|
|
} = _t;
|
|
const TokenContext = exports.TokenContext = {
|
|
expressionStatement: 1,
|
|
arrowBody: 2,
|
|
exportDefault: 4,
|
|
forHead: 8,
|
|
forInHead: 16,
|
|
forOfHead: 32,
|
|
arrowFlowReturnType: 64
|
|
};
|
|
function expandAliases(obj) {
|
|
const map = new Map();
|
|
function add(type, func) {
|
|
const fn = map.get(type);
|
|
map.set(type, fn ? function (node, parent, stack, inForInit) {
|
|
var _fn;
|
|
return (_fn = fn(node, parent, stack, inForInit)) != null ? _fn : func(node, parent, stack, inForInit);
|
|
} : 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 map;
|
|
}
|
|
const expandedParens = expandAliases(parens);
|
|
const expandedWhitespaceNodes = expandAliases(whitespace.nodes);
|
|
function isOrHasCallExpression(node) {
|
|
if (isCallExpression(node)) {
|
|
return true;
|
|
}
|
|
return isMemberExpression(node) && isOrHasCallExpression(node.object);
|
|
}
|
|
function needsWhitespace(node, parent, type) {
|
|
var _expandedWhitespaceNo;
|
|
if (!node) return false;
|
|
if (isExpressionStatement(node)) {
|
|
node = node.expression;
|
|
}
|
|
const flag = (_expandedWhitespaceNo = expandedWhitespaceNodes.get(node.type)) == null ? void 0 : _expandedWhitespaceNo(node, parent);
|
|
if (typeof flag === "number") {
|
|
return (flag & type) !== 0;
|
|
}
|
|
return false;
|
|
}
|
|
function needsWhitespaceBefore(node, parent) {
|
|
return needsWhitespace(node, parent, 1);
|
|
}
|
|
function needsWhitespaceAfter(node, parent) {
|
|
return needsWhitespace(node, parent, 2);
|
|
}
|
|
function needsParens(node, parent, tokenContext, inForInit) {
|
|
var _expandedParens$get;
|
|
if (!parent) return false;
|
|
if (isNewExpression(parent) && parent.callee === node) {
|
|
if (isOrHasCallExpression(node)) return true;
|
|
}
|
|
if (isDecorator(parent)) {
|
|
return !isDecoratorMemberExpression(node) && !(isCallExpression(node) && isDecoratorMemberExpression(node.callee)) && !isParenthesizedExpression(node);
|
|
}
|
|
return (_expandedParens$get = expandedParens.get(node.type)) == null ? void 0 : _expandedParens$get(node, parent, tokenContext, inForInit);
|
|
}
|
|
function isDecoratorMemberExpression(node) {
|
|
switch (node.type) {
|
|
case "Identifier":
|
|
return true;
|
|
case "MemberExpression":
|
|
return !node.computed && node.property.type === "Identifier" && isDecoratorMemberExpression(node.object);
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
function isLastChild(parent, child) {
|
|
const visitorKeys = VISITOR_KEYS[parent.type];
|
|
for (let i = visitorKeys.length - 1; i >= 0; i--) {
|
|
const val = parent[visitorKeys[i]];
|
|
if (val === child) {
|
|
return true;
|
|
} else if (Array.isArray(val)) {
|
|
let j = val.length - 1;
|
|
while (j >= 0 && val[j] === null) j--;
|
|
return j >= 0 && val[j] === child;
|
|
} else if (val) {
|
|
return false;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//# sourceMappingURL=index.js.map
|