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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.insertBefore = insertBefore;
exports._containerInsert = _containerInsert;
exports._containerInsertBefore = _containerInsertBefore;
exports._containerInsertAfter = _containerInsertAfter;
exports.insertAfter = insertAfter;
exports.updateSiblingKeys = updateSiblingKeys;
exports._verifyNodeList = _verifyNodeList;
exports.unshiftContainer = unshiftContainer;
exports.pushContainer = pushContainer;
exports.hoist = hoist;
var _cache = require("../cache");
var _hoister = require("./lib/hoister");
var _index = require("./index");
var _t = require("@babel/types");
const {
arrowFunctionExpression,
assertExpression,
assignmentExpression,
blockStatement,
callExpression,
cloneNode,
expressionStatement,
isExpression
} = _t;
function insertBefore(nodes_) {
this._assertUnremoved();
const nodes = this._verifyNodeList(nodes_);
const {
parentPath
} = this;
if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) {
return parentPath.insertBefore(nodes);
} else if (this.isNodeType("Expression") && !this.isJSXElement() || parentPath.isForStatement() && this.key === "init") {
if (this.node) nodes.push(this.node);
return this.replaceExpressionWithStatements(nodes);
} else if (Array.isArray(this.container)) {
return this._containerInsertBefore(nodes);
} else if (this.isStatementOrBlock()) {
const node = this.node;
const shouldInsertCurrentNode = node && (!this.isExpressionStatement() || node.expression != null);
this.replaceWith(blockStatement(shouldInsertCurrentNode ? [node] : []));
return this.unshiftContainer("body", nodes);
} else {
throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?");
}
}
function _containerInsert(from, nodes) {
this.updateSiblingKeys(from, nodes.length);
const paths = [];
this.container.splice(from, 0, ...nodes);
for (let i = 0; i < nodes.length; i++) {
const to = from + i;
const path = this.getSibling(to);
paths.push(path);
if (this.context && this.context.queue) {
path.pushContext(this.context);
}
}
const contexts = this._getQueueContexts();
for (const path of paths) {
path.setScope();
path.debug("Inserted.");
for (const context of contexts) {
context.maybeQueue(path, true);
}
}
return paths;
}
function _containerInsertBefore(nodes) {
return this._containerInsert(this.key, nodes);
}
function _containerInsertAfter(nodes) {
return this._containerInsert(this.key + 1, nodes);
}
function insertAfter(nodes_) {
this._assertUnremoved();
const nodes = this._verifyNodeList(nodes_);
const {
parentPath
} = this;
if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) {
return parentPath.insertAfter(nodes.map(node => {
return isExpression(node) ? expressionStatement(node) : node;
}));
} else if (this.isNodeType("Expression") && !this.isJSXElement() && !parentPath.isJSXElement() || parentPath.isForStatement() && this.key === "init") {
if (this.node) {
const node = this.node;
let {
scope
} = this;
if (scope.path.isPattern()) {
assertExpression(node);
this.replaceWith(callExpression(arrowFunctionExpression([], node), []));
this.get("callee.body").insertAfter(nodes);
return [this];
}
if (parentPath.isMethod({
computed: true,
key: node
})) {
scope = scope.parent;
}
const temp = scope.generateDeclaredUidIdentifier();
nodes.unshift(expressionStatement(assignmentExpression("=", cloneNode(temp), node)));
nodes.push(expressionStatement(cloneNode(temp)));
}
return this.replaceExpressionWithStatements(nodes);
} else if (Array.isArray(this.container)) {
return this._containerInsertAfter(nodes);
} else if (this.isStatementOrBlock()) {
const node = this.node;
const shouldInsertCurrentNode = node && (!this.isExpressionStatement() || node.expression != null);
this.replaceWith(blockStatement(shouldInsertCurrentNode ? [node] : []));
return this.pushContainer("body", nodes);
} else {
throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?");
}
}
function updateSiblingKeys(fromIndex, incrementBy) {
if (!this.parent) return;
const paths = _cache.path.get(this.parent);
for (const [, path] of paths) {
if (path.key >= fromIndex) {
path.key += incrementBy;
}
}
}
function _verifyNodeList(nodes) {
if (!nodes) {
return [];
}
if (!Array.isArray(nodes)) {
nodes = [nodes];
}
for (let i = 0; i < nodes.length; i++) {
const node = nodes[i];
let msg;
if (!node) {
msg = "has falsy node";
} else if (typeof node !== "object") {
msg = "contains a non-object node";
} else if (!node.type) {
msg = "without a type";
} else if (node instanceof _index.default) {
msg = "has a NodePath when it expected a raw object";
}
if (msg) {
const type = Array.isArray(node) ? "array" : typeof node;
throw new Error(`Node list ${msg} with the index of ${i} and type of ${type}`);
}
}
return nodes;
}
function unshiftContainer(listKey, nodes) {
this._assertUnremoved();
nodes = this._verifyNodeList(nodes);
const path = _index.default.get({
parentPath: this,
parent: this.node,
container: this.node[listKey],
listKey,
key: 0
}).setContext(this.context);
return path._containerInsertBefore(nodes);
}
function pushContainer(listKey, nodes) {
this._assertUnremoved();
const verifiedNodes = this._verifyNodeList(nodes);
const container = this.node[listKey];
const path = _index.default.get({
parentPath: this,
parent: this.node,
container: container,
listKey,
key: container.length
}).setContext(this.context);
return path.replaceWithMultiple(verifiedNodes);
}
function hoist(scope = this.scope) {
const hoister = new _hoister.default(this, scope);
return hoister.run();
}
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