hexo/node_modules/@babel/generator/lib/generators/statements.js

278 lines
6.8 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.BreakStatement = BreakStatement;
exports.CatchClause = CatchClause;
exports.ContinueStatement = ContinueStatement;
exports.DebuggerStatement = DebuggerStatement;
exports.DoWhileStatement = DoWhileStatement;
exports.ForOfStatement = exports.ForInStatement = void 0;
exports.ForStatement = ForStatement;
exports.IfStatement = IfStatement;
exports.LabeledStatement = LabeledStatement;
exports.ReturnStatement = ReturnStatement;
exports.SwitchCase = SwitchCase;
exports.SwitchStatement = SwitchStatement;
exports.ThrowStatement = ThrowStatement;
exports.TryStatement = TryStatement;
exports.VariableDeclaration = VariableDeclaration;
exports.VariableDeclarator = VariableDeclarator;
exports.WhileStatement = WhileStatement;
exports.WithStatement = WithStatement;
var _t = require("@babel/types");
const {
isFor,
isForStatement,
isIfStatement,
isStatement
} = _t;
function WithStatement(node) {
this.word("with");
this.space();
this.tokenChar(40);
this.print(node.object, node);
this.tokenChar(41);
this.printBlock(node);
}
function IfStatement(node) {
this.word("if");
this.space();
this.tokenChar(40);
this.print(node.test, node);
this.tokenChar(41);
this.space();
const needsBlock = node.alternate && isIfStatement(getLastStatement(node.consequent));
if (needsBlock) {
this.tokenChar(123);
this.newline();
this.indent();
}
this.printAndIndentOnComments(node.consequent, node);
if (needsBlock) {
this.dedent();
this.newline();
this.tokenChar(125);
}
if (node.alternate) {
if (this.endsWith(125)) this.space();
this.word("else");
this.space();
this.printAndIndentOnComments(node.alternate, node);
}
}
function getLastStatement(statement) {
const {
body
} = statement;
if (isStatement(body) === false) {
return statement;
}
return getLastStatement(body);
}
function ForStatement(node) {
this.word("for");
this.space();
this.tokenChar(40);
this.inForStatementInitCounter++;
this.print(node.init, node);
this.inForStatementInitCounter--;
this.tokenChar(59);
if (node.test) {
this.space();
this.print(node.test, node);
}
this.tokenChar(59);
if (node.update) {
this.space();
this.print(node.update, node);
}
this.tokenChar(41);
this.printBlock(node);
}
function WhileStatement(node) {
this.word("while");
this.space();
this.tokenChar(40);
this.print(node.test, node);
this.tokenChar(41);
this.printBlock(node);
}
function ForXStatement(node) {
this.word("for");
this.space();
const isForOf = node.type === "ForOfStatement";
if (isForOf && node.await) {
this.word("await");
this.space();
}
this.noIndentInnerCommentsHere();
this.tokenChar(40);
this.print(node.left, node);
this.space();
this.word(isForOf ? "of" : "in");
this.space();
this.print(node.right, node);
this.tokenChar(41);
this.printBlock(node);
}
const ForInStatement = ForXStatement;
exports.ForInStatement = ForInStatement;
const ForOfStatement = ForXStatement;
exports.ForOfStatement = ForOfStatement;
function DoWhileStatement(node) {
this.word("do");
this.space();
this.print(node.body, node);
this.space();
this.word("while");
this.space();
this.tokenChar(40);
this.print(node.test, node);
this.tokenChar(41);
this.semicolon();
}
function printStatementAfterKeyword(printer, node, parent, isLabel) {
if (node) {
printer.space();
printer.printTerminatorless(node, parent, isLabel);
}
printer.semicolon();
}
function BreakStatement(node) {
this.word("break");
printStatementAfterKeyword(this, node.label, node, true);
}
function ContinueStatement(node) {
this.word("continue");
printStatementAfterKeyword(this, node.label, node, true);
}
function ReturnStatement(node) {
this.word("return");
printStatementAfterKeyword(this, node.argument, node, false);
}
function ThrowStatement(node) {
this.word("throw");
printStatementAfterKeyword(this, node.argument, node, false);
}
function LabeledStatement(node) {
this.print(node.label, node);
this.tokenChar(58);
this.space();
this.print(node.body, node);
}
function TryStatement(node) {
this.word("try");
this.space();
this.print(node.block, node);
this.space();
if (node.handlers) {
this.print(node.handlers[0], node);
} else {
this.print(node.handler, node);
}
if (node.finalizer) {
this.space();
this.word("finally");
this.space();
this.print(node.finalizer, node);
}
}
function CatchClause(node) {
this.word("catch");
this.space();
if (node.param) {
this.tokenChar(40);
this.print(node.param, node);
this.print(node.param.typeAnnotation, node);
this.tokenChar(41);
this.space();
}
this.print(node.body, node);
}
function SwitchStatement(node) {
this.word("switch");
this.space();
this.tokenChar(40);
this.print(node.discriminant, node);
this.tokenChar(41);
this.space();
this.tokenChar(123);
this.printSequence(node.cases, node, {
indent: true,
addNewlines(leading, cas) {
if (!leading && node.cases[node.cases.length - 1] === cas) return -1;
}
});
this.tokenChar(125);
}
function SwitchCase(node) {
if (node.test) {
this.word("case");
this.space();
this.print(node.test, node);
this.tokenChar(58);
} else {
this.word("default");
this.tokenChar(58);
}
if (node.consequent.length) {
this.newline();
this.printSequence(node.consequent, node, {
indent: true
});
}
}
function DebuggerStatement() {
this.word("debugger");
this.semicolon();
}
function VariableDeclaration(node, parent) {
if (node.declare) {
this.word("declare");
this.space();
}
const {
kind
} = node;
this.word(kind, kind === "using");
this.space();
let hasInits = false;
if (!isFor(parent)) {
for (const declar of node.declarations) {
if (declar.init) {
hasInits = true;
}
}
}
this.printList(node.declarations, node, {
separator: hasInits ? function () {
this.tokenChar(44);
this.newline();
} : undefined,
indent: node.declarations.length > 1 ? true : false
});
if (isFor(parent)) {
if (isForStatement(parent)) {
if (parent.init === node) return;
} else {
if (parent.left === node) return;
}
}
this.semicolon();
}
function VariableDeclarator(node) {
this.print(node.id, node);
if (node.definite) this.tokenChar(33);
this.print(node.id.typeAnnotation, node);
if (node.init) {
this.space();
this.tokenChar(61);
this.space();
this.print(node.init, node);
}
}
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