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2 years ago
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.ArrowFunctionExpression = ArrowFunctionExpression;
exports.FunctionDeclaration = exports.FunctionExpression = FunctionExpression;
exports._functionHead = _functionHead;
exports._methodHead = _methodHead;
exports._param = _param;
exports._parameters = _parameters;
exports._params = _params;
exports._predicate = _predicate;
var _t = require("@babel/types");
const {
isIdentifier
} = _t;
function _params(node) {
this.print(node.typeParameters, node);
this.token("(");
this._parameters(node.params, node);
this.token(")");
this.print(node.returnType, node);
}
function _parameters(parameters, parent) {
for (let i = 0; i < parameters.length; i++) {
this._param(parameters[i], parent);
if (i < parameters.length - 1) {
this.token(",");
this.space();
}
}
}
function _param(parameter, parent) {
this.printJoin(parameter.decorators, parameter);
this.print(parameter, parent);
if (parameter.optional) {
this.token("?");
}
this.print(parameter.typeAnnotation, parameter);
}
function _methodHead(node) {
const kind = node.kind;
const key = node.key;
if (kind === "get" || kind === "set") {
this.word(kind);
this.space();
}
if (node.async) {
this._catchUp("start", key.loc);
this.word("async");
this.space();
}
if (kind === "method" || kind === "init") {
if (node.generator) {
this.token("*");
}
}
if (node.computed) {
this.token("[");
this.print(key, node);
this.token("]");
} else {
this.print(key, node);
}
if (node.optional) {
this.token("?");
}
this._params(node);
}
function _predicate(node) {
if (node.predicate) {
if (!node.returnType) {
this.token(":");
}
this.space();
this.print(node.predicate, node);
}
}
function _functionHead(node) {
if (node.async) {
this.word("async");
this.space();
}
this.word("function");
if (node.generator) this.token("*");
this.printInnerComments(node);
this.space();
if (node.id) {
this.print(node.id, node);
}
this._params(node);
if (node.type !== "TSDeclareFunction") {
this._predicate(node);
}
}
function FunctionExpression(node) {
this._functionHead(node);
this.space();
this.print(node.body, node);
}
function ArrowFunctionExpression(node) {
if (node.async) {
this.word("async");
this.space();
}
const firstParam = node.params[0];
if (!this.format.retainLines && !this.format.auxiliaryCommentBefore && !this.format.auxiliaryCommentAfter && node.params.length === 1 && isIdentifier(firstParam) && !hasTypesOrComments(node, firstParam)) {
this.print(firstParam, node);
} else {
this._params(node);
}
this._predicate(node);
this.space();
this.token("=>");
this.space();
this.print(node.body, node);
}
function hasTypesOrComments(node, param) {
var _param$leadingComment, _param$trailingCommen;
return !!(node.typeParameters || node.returnType || node.predicate || param.typeAnnotation || param.optional || (_param$leadingComment = param.leadingComments) != null && _param$leadingComment.length || (_param$trailingCommen = param.trailingComments) != null && _param$trailingCommen.length);
}