66 lines
2.3 KiB
Plaintext
66 lines
2.3 KiB
Plaintext
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = gatherSequenceExpressions;
|
|
var _getBindingIdentifiers = require("../retrievers/getBindingIdentifiers.js");
|
|
var _index = require("../validators/generated/index.js");
|
|
var _index2 = require("../builders/generated/index.js");
|
|
var _cloneNode = require("../clone/cloneNode.js");
|
|
;
|
|
function gatherSequenceExpressions(nodes, scope, declars) {
|
|
const exprs = [];
|
|
let ensureLastUndefined = true;
|
|
for (const node of nodes) {
|
|
if (!(0, _index.isEmptyStatement)(node)) {
|
|
ensureLastUndefined = false;
|
|
}
|
|
if ((0, _index.isExpression)(node)) {
|
|
exprs.push(node);
|
|
} else if ((0, _index.isExpressionStatement)(node)) {
|
|
exprs.push(node.expression);
|
|
} else if ((0, _index.isVariableDeclaration)(node)) {
|
|
if (node.kind !== "var") return;
|
|
for (const declar of node.declarations) {
|
|
const bindings = (0, _getBindingIdentifiers.default)(declar);
|
|
for (const key of Object.keys(bindings)) {
|
|
declars.push({
|
|
kind: node.kind,
|
|
id: (0, _cloneNode.default)(bindings[key])
|
|
});
|
|
}
|
|
if (declar.init) {
|
|
exprs.push((0, _index2.assignmentExpression)("=", declar.id, declar.init));
|
|
}
|
|
}
|
|
ensureLastUndefined = true;
|
|
} else if ((0, _index.isIfStatement)(node)) {
|
|
const consequent = node.consequent ? gatherSequenceExpressions([node.consequent], scope, declars) : scope.buildUndefinedNode();
|
|
const alternate = node.alternate ? gatherSequenceExpressions([node.alternate], scope, declars) : scope.buildUndefinedNode();
|
|
if (!consequent || !alternate) return;
|
|
exprs.push((0, _index2.conditionalExpression)(node.test, consequent, alternate));
|
|
} else if ((0, _index.isBlockStatement)(node)) {
|
|
const body = gatherSequenceExpressions(node.body, scope, declars);
|
|
if (!body) return;
|
|
exprs.push(body);
|
|
} else if ((0, _index.isEmptyStatement)(node)) {
|
|
if (nodes.indexOf(node) === 0) {
|
|
ensureLastUndefined = true;
|
|
}
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
if (ensureLastUndefined) {
|
|
exprs.push(scope.buildUndefinedNode());
|
|
}
|
|
if (exprs.length === 1) {
|
|
return exprs[0];
|
|
} else {
|
|
return (0, _index2.sequenceExpression)(exprs);
|
|
}
|
|
}
|
|
|
|
//# sourceMappingURL=gatherSequenceExpressions.js.map
|