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2248 lines
87 KiB
2248 lines
87 KiB
"use strict";
|
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var __importDefault = (this && this.__importDefault) || function (mod) {
|
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var assert_1 = __importDefault(require("assert"));
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var comments_1 = require("./comments");
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var lines_1 = require("./lines");
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var options_1 = require("./options");
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var patcher_1 = require("./patcher");
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var types = __importStar(require("ast-types"));
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var namedTypes = types.namedTypes;
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var isString = types.builtInTypes.string;
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var isObject = types.builtInTypes.object;
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var fast_path_1 = __importDefault(require("./fast-path"));
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var util = __importStar(require("./util"));
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var PrintResult = function PrintResult(code, sourceMap) {
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assert_1.default.ok(this instanceof PrintResult);
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isString.assert(code);
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this.code = code;
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if (sourceMap) {
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isObject.assert(sourceMap);
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this.map = sourceMap;
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}
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};
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var PRp = PrintResult.prototype;
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var warnedAboutToString = false;
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PRp.toString = function () {
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if (!warnedAboutToString) {
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console.warn("Deprecation warning: recast.print now returns an object with " +
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"a .code property. You appear to be treating the object as a " +
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"string, which might still work but is strongly discouraged.");
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warnedAboutToString = true;
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}
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return this.code;
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};
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var emptyPrintResult = new PrintResult("");
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var Printer = function Printer(config) {
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assert_1.default.ok(this instanceof Printer);
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var explicitTabWidth = config && config.tabWidth;
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config = options_1.normalize(config);
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// It's common for client code to pass the same options into both
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// recast.parse and recast.print, but the Printer doesn't need (and
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// can be confused by) config.sourceFileName, so we null it out.
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config.sourceFileName = null;
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// Non-destructively modifies options with overrides, and returns a
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// new print function that uses the modified options.
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function makePrintFunctionWith(options, overrides) {
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options = Object.assign({}, options, overrides);
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return function (path) {
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return print(path, options);
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};
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}
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function print(path, options) {
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assert_1.default.ok(path instanceof fast_path_1.default);
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options = options || {};
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if (options.includeComments) {
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return comments_1.printComments(path, makePrintFunctionWith(options, {
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includeComments: false
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}));
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}
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var oldTabWidth = config.tabWidth;
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if (!explicitTabWidth) {
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var loc = path.getNode().loc;
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if (loc && loc.lines && loc.lines.guessTabWidth) {
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config.tabWidth = loc.lines.guessTabWidth();
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}
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}
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var reprinter = patcher_1.getReprinter(path);
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var lines = reprinter
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// Since the print function that we pass to the reprinter will
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// be used to print "new" nodes, it's tempting to think we
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// should pass printRootGenerically instead of print, to avoid
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// calling maybeReprint again, but that would be a mistake
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// because the new nodes might not be entirely new, but merely
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// moved from elsewhere in the AST. The print function is the
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// right choice because it gives us the opportunity to reprint
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// such nodes using their original source.
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? reprinter(print)
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: genericPrint(path, config, options, makePrintFunctionWith(options, {
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includeComments: true,
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avoidRootParens: false
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}));
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config.tabWidth = oldTabWidth;
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return lines;
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}
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this.print = function (ast) {
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if (!ast) {
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return emptyPrintResult;
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}
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var lines = print(fast_path_1.default.from(ast), {
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includeComments: true,
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avoidRootParens: false
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});
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return new PrintResult(lines.toString(config), util.composeSourceMaps(config.inputSourceMap, lines.getSourceMap(config.sourceMapName, config.sourceRoot)));
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};
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this.printGenerically = function (ast) {
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if (!ast) {
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return emptyPrintResult;
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}
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// Print the entire AST generically.
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function printGenerically(path) {
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return comments_1.printComments(path, function (path) {
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return genericPrint(path, config, {
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includeComments: true,
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avoidRootParens: false
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}, printGenerically);
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});
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}
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var path = fast_path_1.default.from(ast);
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var oldReuseWhitespace = config.reuseWhitespace;
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// Do not reuse whitespace (or anything else, for that matter)
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// when printing generically.
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config.reuseWhitespace = false;
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// TODO Allow printing of comments?
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var pr = new PrintResult(printGenerically(path).toString(config));
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config.reuseWhitespace = oldReuseWhitespace;
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return pr;
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};
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};
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exports.Printer = Printer;
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function genericPrint(path, config, options, printPath) {
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assert_1.default.ok(path instanceof fast_path_1.default);
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var node = path.getValue();
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var parts = [];
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var linesWithoutParens = genericPrintNoParens(path, config, printPath);
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if (!node || linesWithoutParens.isEmpty()) {
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return linesWithoutParens;
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}
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var shouldAddParens = false;
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var decoratorsLines = printDecorators(path, printPath);
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if (decoratorsLines.isEmpty()) {
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// Nodes with decorators can't have parentheses, so we can avoid
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// computing path.needsParens() except in this case.
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if (!options.avoidRootParens) {
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shouldAddParens = path.needsParens();
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}
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}
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else {
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parts.push(decoratorsLines);
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}
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if (shouldAddParens) {
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parts.unshift("(");
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}
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parts.push(linesWithoutParens);
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if (shouldAddParens) {
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parts.push(")");
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}
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return lines_1.concat(parts);
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}
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// Note that the `options` parameter of this function is what other
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// functions in this file call the `config` object (that is, the
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// configuration object originally passed into the Printer constructor).
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// Its properties are documented in lib/options.js.
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function genericPrintNoParens(path, options, print) {
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var n = path.getValue();
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if (!n) {
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return lines_1.fromString("");
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}
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if (typeof n === "string") {
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return lines_1.fromString(n, options);
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}
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namedTypes.Printable.assert(n);
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var parts = [];
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switch (n.type) {
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case "File":
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return path.call(print, "program");
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case "Program":
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// Babel 6
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if (n.directives) {
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path.each(function (childPath) {
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parts.push(print(childPath), ";\n");
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}, "directives");
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}
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if (n.interpreter) {
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parts.push(path.call(print, "interpreter"));
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}
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parts.push(path.call(function (bodyPath) {
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return printStatementSequence(bodyPath, options, print);
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}, "body"));
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return lines_1.concat(parts);
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case "Noop": // Babel extension.
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case "EmptyStatement":
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return lines_1.fromString("");
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case "ExpressionStatement":
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return lines_1.concat([path.call(print, "expression"), ";"]);
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case "ParenthesizedExpression": // Babel extension.
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return lines_1.concat(["(", path.call(print, "expression"), ")"]);
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case "BinaryExpression":
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case "LogicalExpression":
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case "AssignmentExpression":
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return lines_1.fromString(" ").join([
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path.call(print, "left"),
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n.operator,
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path.call(print, "right")
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]);
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case "AssignmentPattern":
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return lines_1.concat([
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path.call(print, "left"),
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" = ",
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path.call(print, "right")
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]);
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case "MemberExpression":
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case "OptionalMemberExpression":
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parts.push(path.call(print, "object"));
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var property = path.call(print, "property");
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var optional = n.type === "OptionalMemberExpression" && n.optional;
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if (n.computed) {
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parts.push(optional ? "?.[" : "[", property, "]");
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}
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else {
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parts.push(optional ? "?." : ".", property);
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}
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return lines_1.concat(parts);
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case "MetaProperty":
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return lines_1.concat([
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path.call(print, "meta"),
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".",
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path.call(print, "property")
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]);
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case "BindExpression":
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if (n.object) {
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parts.push(path.call(print, "object"));
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}
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parts.push("::", path.call(print, "callee"));
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return lines_1.concat(parts);
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case "Path":
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return lines_1.fromString(".").join(n.body);
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case "Identifier":
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return lines_1.concat([
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lines_1.fromString(n.name, options),
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n.optional ? "?" : "",
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path.call(print, "typeAnnotation")
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]);
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case "SpreadElement":
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case "SpreadElementPattern":
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case "RestProperty": // Babel 6 for ObjectPattern
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case "SpreadProperty":
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case "SpreadPropertyPattern":
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case "ObjectTypeSpreadProperty":
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case "RestElement":
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return lines_1.concat([
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"...",
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path.call(print, "argument"),
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path.call(print, "typeAnnotation")
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]);
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case "FunctionDeclaration":
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case "FunctionExpression":
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case "TSDeclareFunction":
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if (n.declare) {
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parts.push("declare ");
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}
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if (n.async) {
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parts.push("async ");
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}
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parts.push("function");
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if (n.generator)
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parts.push("*");
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if (n.id) {
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parts.push(" ", path.call(print, "id"), path.call(print, "typeParameters"));
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}
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else {
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if (n.typeParameters) {
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parts.push(path.call(print, "typeParameters"));
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}
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}
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parts.push("(", printFunctionParams(path, options, print), ")", path.call(print, "returnType"));
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if (n.body) {
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parts.push(" ", path.call(print, "body"));
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}
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return lines_1.concat(parts);
|
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case "ArrowFunctionExpression":
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if (n.async) {
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parts.push("async ");
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}
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if (n.typeParameters) {
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parts.push(path.call(print, "typeParameters"));
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}
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|
if (!options.arrowParensAlways &&
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n.params.length === 1 &&
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!n.rest &&
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n.params[0].type === 'Identifier' &&
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!n.params[0].typeAnnotation &&
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!n.returnType) {
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parts.push(path.call(print, "params", 0));
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}
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else {
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parts.push("(", printFunctionParams(path, options, print), ")", path.call(print, "returnType"));
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}
|
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parts.push(" => ", path.call(print, "body"));
|
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return lines_1.concat(parts);
|
|
case "MethodDefinition":
|
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return printMethod(path, options, print);
|
|
case "YieldExpression":
|
|
parts.push("yield");
|
|
if (n.delegate)
|
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parts.push("*");
|
|
if (n.argument)
|
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parts.push(" ", path.call(print, "argument"));
|
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return lines_1.concat(parts);
|
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case "AwaitExpression":
|
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parts.push("await");
|
|
if (n.all)
|
|
parts.push("*");
|
|
if (n.argument)
|
|
parts.push(" ", path.call(print, "argument"));
|
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return lines_1.concat(parts);
|
|
case "ModuleDeclaration":
|
|
parts.push("module", path.call(print, "id"));
|
|
if (n.source) {
|
|
assert_1.default.ok(!n.body);
|
|
parts.push("from", path.call(print, "source"));
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|
}
|
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else {
|
|
parts.push(path.call(print, "body"));
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|
}
|
|
return lines_1.fromString(" ").join(parts);
|
|
case "ImportSpecifier":
|
|
if (n.importKind && n.importKind !== "value") {
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|
parts.push(n.importKind + " ");
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|
}
|
|
if (n.imported) {
|
|
parts.push(path.call(print, "imported"));
|
|
if (n.local &&
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n.local.name !== n.imported.name) {
|
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parts.push(" as ", path.call(print, "local"));
|
|
}
|
|
}
|
|
else if (n.id) {
|
|
parts.push(path.call(print, "id"));
|
|
if (n.name) {
|
|
parts.push(" as ", path.call(print, "name"));
|
|
}
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "ExportSpecifier":
|
|
if (n.local) {
|
|
parts.push(path.call(print, "local"));
|
|
if (n.exported &&
|
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n.exported.name !== n.local.name) {
|
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parts.push(" as ", path.call(print, "exported"));
|
|
}
|
|
}
|
|
else if (n.id) {
|
|
parts.push(path.call(print, "id"));
|
|
if (n.name) {
|
|
parts.push(" as ", path.call(print, "name"));
|
|
}
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "ExportBatchSpecifier":
|
|
return lines_1.fromString("*");
|
|
case "ImportNamespaceSpecifier":
|
|
parts.push("* as ");
|
|
if (n.local) {
|
|
parts.push(path.call(print, "local"));
|
|
}
|
|
else if (n.id) {
|
|
parts.push(path.call(print, "id"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "ImportDefaultSpecifier":
|
|
if (n.local) {
|
|
return path.call(print, "local");
|
|
}
|
|
return path.call(print, "id");
|
|
case "TSExportAssignment":
|
|
return lines_1.concat(["export = ", path.call(print, "expression")]);
|
|
case "ExportDeclaration":
|
|
case "ExportDefaultDeclaration":
|
|
case "ExportNamedDeclaration":
|
|
return printExportDeclaration(path, options, print);
|
|
case "ExportAllDeclaration":
|
|
parts.push("export *");
|
|
if (n.exported) {
|
|
parts.push(" as ", path.call(print, "exported"));
|
|
}
|
|
parts.push(" from ", path.call(print, "source"), ";");
|
|
return lines_1.concat(parts);
|
|
case "TSNamespaceExportDeclaration":
|
|
parts.push("export as namespace ", path.call(print, "id"));
|
|
return maybeAddSemicolon(lines_1.concat(parts));
|
|
case "ExportNamespaceSpecifier":
|
|
return lines_1.concat(["* as ", path.call(print, "exported")]);
|
|
case "ExportDefaultSpecifier":
|
|
return path.call(print, "exported");
|
|
case "Import":
|
|
return lines_1.fromString("import", options);
|
|
case "ImportDeclaration": {
|
|
parts.push("import ");
|
|
if (n.importKind && n.importKind !== "value") {
|
|
parts.push(n.importKind + " ");
|
|
}
|
|
if (n.specifiers &&
|
|
n.specifiers.length > 0) {
|
|
var unbracedSpecifiers_1 = [];
|
|
var bracedSpecifiers_1 = [];
|
|
path.each(function (specifierPath) {
|
|
var spec = specifierPath.getValue();
|
|
if (spec.type === "ImportSpecifier") {
|
|
bracedSpecifiers_1.push(print(specifierPath));
|
|
}
|
|
else if (spec.type === "ImportDefaultSpecifier" ||
|
|
spec.type === "ImportNamespaceSpecifier") {
|
|
unbracedSpecifiers_1.push(print(specifierPath));
|
|
}
|
|
}, "specifiers");
|
|
unbracedSpecifiers_1.forEach(function (lines, i) {
|
|
if (i > 0) {
|
|
parts.push(", ");
|
|
}
|
|
parts.push(lines);
|
|
});
|
|
if (bracedSpecifiers_1.length > 0) {
|
|
var lines_2 = lines_1.fromString(", ").join(bracedSpecifiers_1);
|
|
if (lines_2.getLineLength(1) > options.wrapColumn) {
|
|
lines_2 = lines_1.concat([
|
|
lines_1.fromString(",\n").join(bracedSpecifiers_1).indent(options.tabWidth),
|
|
","
|
|
]);
|
|
}
|
|
if (unbracedSpecifiers_1.length > 0) {
|
|
parts.push(", ");
|
|
}
|
|
if (lines_2.length > 1) {
|
|
parts.push("{\n", lines_2, "\n}");
|
|
}
|
|
else if (options.objectCurlySpacing) {
|
|
parts.push("{ ", lines_2, " }");
|
|
}
|
|
else {
|
|
parts.push("{", lines_2, "}");
|
|
}
|
|
}
|
|
parts.push(" from ");
|
|
}
|
|
parts.push(path.call(print, "source"), ";");
|
|
return lines_1.concat(parts);
|
|
}
|
|
case "BlockStatement":
|
|
var naked = path.call(function (bodyPath) {
|
|
return printStatementSequence(bodyPath, options, print);
|
|
}, "body");
|
|
if (naked.isEmpty()) {
|
|
if (!n.directives || n.directives.length === 0) {
|
|
return lines_1.fromString("{}");
|
|
}
|
|
}
|
|
parts.push("{\n");
|
|
// Babel 6
|
|
if (n.directives) {
|
|
path.each(function (childPath) {
|
|
parts.push(print(childPath).indent(options.tabWidth), ";", n.directives.length > 1 || !naked.isEmpty() ? "\n" : "");
|
|
}, "directives");
|
|
}
|
|
parts.push(naked.indent(options.tabWidth));
|
|
parts.push("\n}");
|
|
return lines_1.concat(parts);
|
|
case "ReturnStatement":
|
|
parts.push("return");
|
|
if (n.argument) {
|
|
var argLines = path.call(print, "argument");
|
|
if (argLines.startsWithComment() ||
|
|
(argLines.length > 1 &&
|
|
namedTypes.JSXElement &&
|
|
namedTypes.JSXElement.check(n.argument))) {
|
|
parts.push(" (\n", argLines.indent(options.tabWidth), "\n)");
|
|
}
|
|
else {
|
|
parts.push(" ", argLines);
|
|
}
|
|
}
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "CallExpression":
|
|
case "OptionalCallExpression":
|
|
parts.push(path.call(print, "callee"));
|
|
if (n.typeParameters) {
|
|
parts.push(path.call(print, "typeParameters"));
|
|
}
|
|
if (n.typeArguments) {
|
|
parts.push(path.call(print, "typeArguments"));
|
|
}
|
|
if (n.type === "OptionalCallExpression" &&
|
|
n.callee.type !== "OptionalMemberExpression") {
|
|
parts.push("?.");
|
|
}
|
|
parts.push(printArgumentsList(path, options, print));
|
|
return lines_1.concat(parts);
|
|
case "ObjectExpression":
|
|
case "ObjectPattern":
|
|
case "ObjectTypeAnnotation":
|
|
var allowBreak = false;
|
|
var isTypeAnnotation = n.type === "ObjectTypeAnnotation";
|
|
var separator = options.flowObjectCommas ? "," : (isTypeAnnotation ? ";" : ",");
|
|
var fields = [];
|
|
if (isTypeAnnotation) {
|
|
fields.push("indexers", "callProperties");
|
|
if (n.internalSlots != null) {
|
|
fields.push("internalSlots");
|
|
}
|
|
}
|
|
fields.push("properties");
|
|
var len = 0;
|
|
fields.forEach(function (field) {
|
|
len += n[field].length;
|
|
});
|
|
var oneLine = (isTypeAnnotation && len === 1) || len === 0;
|
|
var leftBrace = n.exact ? "{|" : "{";
|
|
var rightBrace = n.exact ? "|}" : "}";
|
|
parts.push(oneLine ? leftBrace : leftBrace + "\n");
|
|
var leftBraceIndex = parts.length - 1;
|
|
var i = 0;
|
|
fields.forEach(function (field) {
|
|
path.each(function (childPath) {
|
|
var lines = print(childPath);
|
|
if (!oneLine) {
|
|
lines = lines.indent(options.tabWidth);
|
|
}
|
|
var multiLine = !isTypeAnnotation && lines.length > 1;
|
|
if (multiLine && allowBreak) {
|
|
// Similar to the logic for BlockStatement.
|
|
parts.push("\n");
|
|
}
|
|
parts.push(lines);
|
|
if (i < len - 1) {
|
|
// Add an extra line break if the previous object property
|
|
// had a multi-line value.
|
|
parts.push(separator + (multiLine ? "\n\n" : "\n"));
|
|
allowBreak = !multiLine;
|
|
}
|
|
else if (len !== 1 && isTypeAnnotation) {
|
|
parts.push(separator);
|
|
}
|
|
else if (!oneLine && util.isTrailingCommaEnabled(options, "objects")) {
|
|
parts.push(separator);
|
|
}
|
|
i++;
|
|
}, field);
|
|
});
|
|
if (n.inexact) {
|
|
var line = lines_1.fromString("...", options);
|
|
if (oneLine) {
|
|
if (len > 0) {
|
|
parts.push(separator, " ");
|
|
}
|
|
parts.push(line);
|
|
}
|
|
else {
|
|
// No trailing separator after ... to maintain parity with prettier.
|
|
parts.push("\n", line.indent(options.tabWidth));
|
|
}
|
|
}
|
|
parts.push(oneLine ? rightBrace : "\n" + rightBrace);
|
|
if (i !== 0 && oneLine && options.objectCurlySpacing) {
|
|
parts[leftBraceIndex] = leftBrace + " ";
|
|
parts[parts.length - 1] = " " + rightBrace;
|
|
}
|
|
if (n.typeAnnotation) {
|
|
parts.push(path.call(print, "typeAnnotation"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "PropertyPattern":
|
|
return lines_1.concat([
|
|
path.call(print, "key"),
|
|
": ",
|
|
path.call(print, "pattern")
|
|
]);
|
|
case "ObjectProperty": // Babel 6
|
|
case "Property": // Non-standard AST node type.
|
|
if (n.method || n.kind === "get" || n.kind === "set") {
|
|
return printMethod(path, options, print);
|
|
}
|
|
var key = path.call(print, "key");
|
|
if (n.computed) {
|
|
parts.push("[", key, "]");
|
|
}
|
|
else {
|
|
parts.push(key);
|
|
}
|
|
if (!n.shorthand) {
|
|
parts.push(": ", path.call(print, "value"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "ClassMethod": // Babel 6
|
|
case "ObjectMethod": // Babel 6
|
|
case "ClassPrivateMethod":
|
|
case "TSDeclareMethod":
|
|
return printMethod(path, options, print);
|
|
case "PrivateName":
|
|
return lines_1.concat(["#", path.call(print, "id")]);
|
|
case "Decorator":
|
|
return lines_1.concat(["@", path.call(print, "expression")]);
|
|
case "ArrayExpression":
|
|
case "ArrayPattern":
|
|
var elems = n.elements, len = elems.length;
|
|
var printed = path.map(print, "elements");
|
|
var joined = lines_1.fromString(", ").join(printed);
|
|
var oneLine = joined.getLineLength(1) <= options.wrapColumn;
|
|
if (oneLine) {
|
|
if (options.arrayBracketSpacing) {
|
|
parts.push("[ ");
|
|
}
|
|
else {
|
|
parts.push("[");
|
|
}
|
|
}
|
|
else {
|
|
parts.push("[\n");
|
|
}
|
|
path.each(function (elemPath) {
|
|
var i = elemPath.getName();
|
|
var elem = elemPath.getValue();
|
|
if (!elem) {
|
|
// If the array expression ends with a hole, that hole
|
|
// will be ignored by the interpreter, but if it ends with
|
|
// two (or more) holes, we need to write out two (or more)
|
|
// commas so that the resulting code is interpreted with
|
|
// both (all) of the holes.
|
|
parts.push(",");
|
|
}
|
|
else {
|
|
var lines = printed[i];
|
|
if (oneLine) {
|
|
if (i > 0)
|
|
parts.push(" ");
|
|
}
|
|
else {
|
|
lines = lines.indent(options.tabWidth);
|
|
}
|
|
parts.push(lines);
|
|
if (i < len - 1 || (!oneLine && util.isTrailingCommaEnabled(options, "arrays")))
|
|
parts.push(",");
|
|
if (!oneLine)
|
|
parts.push("\n");
|
|
}
|
|
}, "elements");
|
|
if (oneLine && options.arrayBracketSpacing) {
|
|
parts.push(" ]");
|
|
}
|
|
else {
|
|
parts.push("]");
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "SequenceExpression":
|
|
return lines_1.fromString(", ").join(path.map(print, "expressions"));
|
|
case "ThisExpression":
|
|
return lines_1.fromString("this");
|
|
case "Super":
|
|
return lines_1.fromString("super");
|
|
case "NullLiteral": // Babel 6 Literal split
|
|
return lines_1.fromString("null");
|
|
case "RegExpLiteral": // Babel 6 Literal split
|
|
return lines_1.fromString(n.extra.raw);
|
|
case "BigIntLiteral": // Babel 7 Literal split
|
|
return lines_1.fromString(n.value + "n");
|
|
case "NumericLiteral": // Babel 6 Literal Split
|
|
// Keep original representation for numeric values not in base 10.
|
|
if (n.extra &&
|
|
typeof n.extra.raw === "string" &&
|
|
Number(n.extra.raw) === n.value) {
|
|
return lines_1.fromString(n.extra.raw, options);
|
|
}
|
|
return lines_1.fromString(n.value, options);
|
|
case "BooleanLiteral": // Babel 6 Literal split
|
|
case "StringLiteral": // Babel 6 Literal split
|
|
case "Literal":
|
|
// Numeric values may be in bases other than 10. Use their raw
|
|
// representation if equivalent.
|
|
if (typeof n.value === "number" &&
|
|
typeof n.raw === "string" &&
|
|
Number(n.raw) === n.value) {
|
|
return lines_1.fromString(n.raw, options);
|
|
}
|
|
if (typeof n.value !== "string") {
|
|
return lines_1.fromString(n.value, options);
|
|
}
|
|
return lines_1.fromString(nodeStr(n.value, options), options);
|
|
case "Directive": // Babel 6
|
|
return path.call(print, "value");
|
|
case "DirectiveLiteral": // Babel 6
|
|
return lines_1.fromString(nodeStr(n.value, options));
|
|
case "InterpreterDirective":
|
|
return lines_1.fromString("#!" + n.value + "\n", options);
|
|
case "ModuleSpecifier":
|
|
if (n.local) {
|
|
throw new Error("The ESTree ModuleSpecifier type should be abstract");
|
|
}
|
|
// The Esprima ModuleSpecifier type is just a string-valued
|
|
// Literal identifying the imported-from module.
|
|
return lines_1.fromString(nodeStr(n.value, options), options);
|
|
case "UnaryExpression":
|
|
parts.push(n.operator);
|
|
if (/[a-z]$/.test(n.operator))
|
|
parts.push(" ");
|
|
parts.push(path.call(print, "argument"));
|
|
return lines_1.concat(parts);
|
|
case "UpdateExpression":
|
|
parts.push(path.call(print, "argument"), n.operator);
|
|
if (n.prefix)
|
|
parts.reverse();
|
|
return lines_1.concat(parts);
|
|
case "ConditionalExpression":
|
|
return lines_1.concat([
|
|
path.call(print, "test"),
|
|
" ? ", path.call(print, "consequent"),
|
|
" : ", path.call(print, "alternate")
|
|
]);
|
|
case "NewExpression":
|
|
parts.push("new ", path.call(print, "callee"));
|
|
if (n.typeParameters) {
|
|
parts.push(path.call(print, "typeParameters"));
|
|
}
|
|
if (n.typeArguments) {
|
|
parts.push(path.call(print, "typeArguments"));
|
|
}
|
|
var args = n.arguments;
|
|
if (args) {
|
|
parts.push(printArgumentsList(path, options, print));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "VariableDeclaration":
|
|
if (n.declare) {
|
|
parts.push("declare ");
|
|
}
|
|
parts.push(n.kind, " ");
|
|
var maxLen = 0;
|
|
var printed = path.map(function (childPath) {
|
|
var lines = print(childPath);
|
|
maxLen = Math.max(lines.length, maxLen);
|
|
return lines;
|
|
}, "declarations");
|
|
if (maxLen === 1) {
|
|
parts.push(lines_1.fromString(", ").join(printed));
|
|
}
|
|
else if (printed.length > 1) {
|
|
parts.push(lines_1.fromString(",\n").join(printed)
|
|
.indentTail(n.kind.length + 1));
|
|
}
|
|
else {
|
|
parts.push(printed[0]);
|
|
}
|
|
// We generally want to terminate all variable declarations with a
|
|
// semicolon, except when they are children of for loops.
|
|
var parentNode = path.getParentNode();
|
|
if (!namedTypes.ForStatement.check(parentNode) &&
|
|
!namedTypes.ForInStatement.check(parentNode) &&
|
|
!(namedTypes.ForOfStatement &&
|
|
namedTypes.ForOfStatement.check(parentNode)) &&
|
|
!(namedTypes.ForAwaitStatement &&
|
|
namedTypes.ForAwaitStatement.check(parentNode))) {
|
|
parts.push(";");
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "VariableDeclarator":
|
|
return n.init ? lines_1.fromString(" = ").join([
|
|
path.call(print, "id"),
|
|
path.call(print, "init")
|
|
]) : path.call(print, "id");
|
|
case "WithStatement":
|
|
return lines_1.concat([
|
|
"with (",
|
|
path.call(print, "object"),
|
|
") ",
|
|
path.call(print, "body")
|
|
]);
|
|
case "IfStatement":
|
|
var con = adjustClause(path.call(print, "consequent"), options);
|
|
parts.push("if (", path.call(print, "test"), ")", con);
|
|
if (n.alternate)
|
|
parts.push(endsWithBrace(con) ? " else" : "\nelse", adjustClause(path.call(print, "alternate"), options));
|
|
return lines_1.concat(parts);
|
|
case "ForStatement":
|
|
// TODO Get the for (;;) case right.
|
|
var init = path.call(print, "init"), sep = init.length > 1 ? ";\n" : "; ", forParen = "for (", indented = lines_1.fromString(sep).join([
|
|
init,
|
|
path.call(print, "test"),
|
|
path.call(print, "update")
|
|
]).indentTail(forParen.length), head = lines_1.concat([forParen, indented, ")"]), clause = adjustClause(path.call(print, "body"), options);
|
|
parts.push(head);
|
|
if (head.length > 1) {
|
|
parts.push("\n");
|
|
clause = clause.trimLeft();
|
|
}
|
|
parts.push(clause);
|
|
return lines_1.concat(parts);
|
|
case "WhileStatement":
|
|
return lines_1.concat([
|
|
"while (",
|
|
path.call(print, "test"),
|
|
")",
|
|
adjustClause(path.call(print, "body"), options)
|
|
]);
|
|
case "ForInStatement":
|
|
// Note: esprima can't actually parse "for each (".
|
|
return lines_1.concat([
|
|
n.each ? "for each (" : "for (",
|
|
path.call(print, "left"),
|
|
" in ",
|
|
path.call(print, "right"),
|
|
")",
|
|
adjustClause(path.call(print, "body"), options)
|
|
]);
|
|
case "ForOfStatement":
|
|
case "ForAwaitStatement":
|
|
parts.push("for ");
|
|
if (n.await || n.type === "ForAwaitStatement") {
|
|
parts.push("await ");
|
|
}
|
|
parts.push("(", path.call(print, "left"), " of ", path.call(print, "right"), ")", adjustClause(path.call(print, "body"), options));
|
|
return lines_1.concat(parts);
|
|
case "DoWhileStatement":
|
|
var doBody = lines_1.concat([
|
|
"do",
|
|
adjustClause(path.call(print, "body"), options)
|
|
]);
|
|
parts.push(doBody);
|
|
if (endsWithBrace(doBody))
|
|
parts.push(" while");
|
|
else
|
|
parts.push("\nwhile");
|
|
parts.push(" (", path.call(print, "test"), ");");
|
|
return lines_1.concat(parts);
|
|
case "DoExpression":
|
|
var statements = path.call(function (bodyPath) {
|
|
return printStatementSequence(bodyPath, options, print);
|
|
}, "body");
|
|
return lines_1.concat([
|
|
"do {\n",
|
|
statements.indent(options.tabWidth),
|
|
"\n}"
|
|
]);
|
|
case "BreakStatement":
|
|
parts.push("break");
|
|
if (n.label)
|
|
parts.push(" ", path.call(print, "label"));
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "ContinueStatement":
|
|
parts.push("continue");
|
|
if (n.label)
|
|
parts.push(" ", path.call(print, "label"));
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "LabeledStatement":
|
|
return lines_1.concat([
|
|
path.call(print, "label"),
|
|
":\n",
|
|
path.call(print, "body")
|
|
]);
|
|
case "TryStatement":
|
|
parts.push("try ", path.call(print, "block"));
|
|
if (n.handler) {
|
|
parts.push(" ", path.call(print, "handler"));
|
|
}
|
|
else if (n.handlers) {
|
|
path.each(function (handlerPath) {
|
|
parts.push(" ", print(handlerPath));
|
|
}, "handlers");
|
|
}
|
|
if (n.finalizer) {
|
|
parts.push(" finally ", path.call(print, "finalizer"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "CatchClause":
|
|
parts.push("catch ");
|
|
if (n.param) {
|
|
parts.push("(", path.call(print, "param"));
|
|
}
|
|
if (n.guard) {
|
|
// Note: esprima does not recognize conditional catch clauses.
|
|
parts.push(" if ", path.call(print, "guard"));
|
|
}
|
|
if (n.param) {
|
|
parts.push(") ");
|
|
}
|
|
parts.push(path.call(print, "body"));
|
|
return lines_1.concat(parts);
|
|
case "ThrowStatement":
|
|
return lines_1.concat(["throw ", path.call(print, "argument"), ";"]);
|
|
case "SwitchStatement":
|
|
return lines_1.concat([
|
|
"switch (",
|
|
path.call(print, "discriminant"),
|
|
") {\n",
|
|
lines_1.fromString("\n").join(path.map(print, "cases")),
|
|
"\n}"
|
|
]);
|
|
// Note: ignoring n.lexical because it has no printing consequences.
|
|
case "SwitchCase":
|
|
if (n.test)
|
|
parts.push("case ", path.call(print, "test"), ":");
|
|
else
|
|
parts.push("default:");
|
|
if (n.consequent.length > 0) {
|
|
parts.push("\n", path.call(function (consequentPath) {
|
|
return printStatementSequence(consequentPath, options, print);
|
|
}, "consequent").indent(options.tabWidth));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "DebuggerStatement":
|
|
return lines_1.fromString("debugger;");
|
|
// JSX extensions below.
|
|
case "JSXAttribute":
|
|
parts.push(path.call(print, "name"));
|
|
if (n.value)
|
|
parts.push("=", path.call(print, "value"));
|
|
return lines_1.concat(parts);
|
|
case "JSXIdentifier":
|
|
return lines_1.fromString(n.name, options);
|
|
case "JSXNamespacedName":
|
|
return lines_1.fromString(":").join([
|
|
path.call(print, "namespace"),
|
|
path.call(print, "name")
|
|
]);
|
|
case "JSXMemberExpression":
|
|
return lines_1.fromString(".").join([
|
|
path.call(print, "object"),
|
|
path.call(print, "property")
|
|
]);
|
|
case "JSXSpreadAttribute":
|
|
return lines_1.concat(["{...", path.call(print, "argument"), "}"]);
|
|
case "JSXSpreadChild":
|
|
return lines_1.concat(["{...", path.call(print, "expression"), "}"]);
|
|
case "JSXExpressionContainer":
|
|
return lines_1.concat(["{", path.call(print, "expression"), "}"]);
|
|
case "JSXElement":
|
|
case "JSXFragment":
|
|
var openingPropName = "opening" + (n.type === "JSXElement" ? "Element" : "Fragment");
|
|
var closingPropName = "closing" + (n.type === "JSXElement" ? "Element" : "Fragment");
|
|
var openingLines = path.call(print, openingPropName);
|
|
if (n[openingPropName].selfClosing) {
|
|
assert_1.default.ok(!n[closingPropName], "unexpected " + closingPropName + " element in self-closing " + n.type);
|
|
return openingLines;
|
|
}
|
|
var childLines = lines_1.concat(path.map(function (childPath) {
|
|
var child = childPath.getValue();
|
|
if (namedTypes.Literal.check(child) &&
|
|
typeof child.value === "string") {
|
|
if (/\S/.test(child.value)) {
|
|
return child.value.replace(/^\s+|\s+$/g, "");
|
|
}
|
|
else if (/\n/.test(child.value)) {
|
|
return "\n";
|
|
}
|
|
}
|
|
return print(childPath);
|
|
}, "children")).indentTail(options.tabWidth);
|
|
var closingLines = path.call(print, closingPropName);
|
|
return lines_1.concat([
|
|
openingLines,
|
|
childLines,
|
|
closingLines
|
|
]);
|
|
case "JSXOpeningElement":
|
|
parts.push("<", path.call(print, "name"));
|
|
var attrParts = [];
|
|
path.each(function (attrPath) {
|
|
attrParts.push(" ", print(attrPath));
|
|
}, "attributes");
|
|
var attrLines = lines_1.concat(attrParts);
|
|
var needLineWrap = (attrLines.length > 1 ||
|
|
attrLines.getLineLength(1) > options.wrapColumn);
|
|
if (needLineWrap) {
|
|
attrParts.forEach(function (part, i) {
|
|
if (part === " ") {
|
|
assert_1.default.strictEqual(i % 2, 0);
|
|
attrParts[i] = "\n";
|
|
}
|
|
});
|
|
attrLines = lines_1.concat(attrParts).indentTail(options.tabWidth);
|
|
}
|
|
parts.push(attrLines, n.selfClosing ? " />" : ">");
|
|
return lines_1.concat(parts);
|
|
case "JSXClosingElement":
|
|
return lines_1.concat(["</", path.call(print, "name"), ">"]);
|
|
case "JSXOpeningFragment":
|
|
return lines_1.fromString("<>");
|
|
case "JSXClosingFragment":
|
|
return lines_1.fromString("</>");
|
|
case "JSXText":
|
|
return lines_1.fromString(n.value, options);
|
|
case "JSXEmptyExpression":
|
|
return lines_1.fromString("");
|
|
case "TypeAnnotatedIdentifier":
|
|
return lines_1.concat([
|
|
path.call(print, "annotation"),
|
|
" ",
|
|
path.call(print, "identifier")
|
|
]);
|
|
case "ClassBody":
|
|
if (n.body.length === 0) {
|
|
return lines_1.fromString("{}");
|
|
}
|
|
return lines_1.concat([
|
|
"{\n",
|
|
path.call(function (bodyPath) {
|
|
return printStatementSequence(bodyPath, options, print);
|
|
}, "body").indent(options.tabWidth),
|
|
"\n}"
|
|
]);
|
|
case "ClassPropertyDefinition":
|
|
parts.push("static ", path.call(print, "definition"));
|
|
if (!namedTypes.MethodDefinition.check(n.definition))
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "ClassProperty":
|
|
var access = n.accessibility || n.access;
|
|
if (typeof access === "string") {
|
|
parts.push(access, " ");
|
|
}
|
|
if (n.static) {
|
|
parts.push("static ");
|
|
}
|
|
if (n.abstract) {
|
|
parts.push("abstract ");
|
|
}
|
|
if (n.readonly) {
|
|
parts.push("readonly ");
|
|
}
|
|
var key = path.call(print, "key");
|
|
if (n.computed) {
|
|
key = lines_1.concat(["[", key, "]"]);
|
|
}
|
|
if (n.variance) {
|
|
key = lines_1.concat([printVariance(path, print), key]);
|
|
}
|
|
parts.push(key);
|
|
if (n.optional) {
|
|
parts.push("?");
|
|
}
|
|
if (n.typeAnnotation) {
|
|
parts.push(path.call(print, "typeAnnotation"));
|
|
}
|
|
if (n.value) {
|
|
parts.push(" = ", path.call(print, "value"));
|
|
}
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "ClassPrivateProperty":
|
|
if (n.static) {
|
|
parts.push("static ");
|
|
}
|
|
parts.push(path.call(print, "key"));
|
|
if (n.typeAnnotation) {
|
|
parts.push(path.call(print, "typeAnnotation"));
|
|
}
|
|
if (n.value) {
|
|
parts.push(" = ", path.call(print, "value"));
|
|
}
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "ClassDeclaration":
|
|
case "ClassExpression":
|
|
if (n.declare) {
|
|
parts.push("declare ");
|
|
}
|
|
if (n.abstract) {
|
|
parts.push("abstract ");
|
|
}
|
|
parts.push("class");
|
|
if (n.id) {
|
|
parts.push(" ", path.call(print, "id"));
|
|
}
|
|
if (n.typeParameters) {
|
|
parts.push(path.call(print, "typeParameters"));
|
|
}
|
|
if (n.superClass) {
|
|
parts.push(" extends ", path.call(print, "superClass"), path.call(print, "superTypeParameters"));
|
|
}
|
|
if (n["implements"] && n['implements'].length > 0) {
|
|
parts.push(" implements ", lines_1.fromString(", ").join(path.map(print, "implements")));
|
|
}
|
|
parts.push(" ", path.call(print, "body"));
|
|
return lines_1.concat(parts);
|
|
case "TemplateElement":
|
|
return lines_1.fromString(n.value.raw, options).lockIndentTail();
|
|
case "TemplateLiteral":
|
|
var expressions = path.map(print, "expressions");
|
|
parts.push("`");
|
|
path.each(function (childPath) {
|
|
var i = childPath.getName();
|
|
parts.push(print(childPath));
|
|
if (i < expressions.length) {
|
|
parts.push("${", expressions[i], "}");
|
|
}
|
|
}, "quasis");
|
|
parts.push("`");
|
|
return lines_1.concat(parts).lockIndentTail();
|
|
case "TaggedTemplateExpression":
|
|
return lines_1.concat([
|
|
path.call(print, "tag"),
|
|
path.call(print, "quasi")
|
|
]);
|
|
// These types are unprintable because they serve as abstract
|
|
// supertypes for other (printable) types.
|
|
case "Node":
|
|
case "Printable":
|
|
case "SourceLocation":
|
|
case "Position":
|
|
case "Statement":
|
|
case "Function":
|
|
case "Pattern":
|
|
case "Expression":
|
|
case "Declaration":
|
|
case "Specifier":
|
|
case "NamedSpecifier":
|
|
case "Comment": // Supertype of Block and Line
|
|
case "Flow": // Supertype of all Flow AST node types
|
|
case "FlowType": // Supertype of all Flow types
|
|
case "FlowPredicate": // Supertype of InferredPredicate and DeclaredPredicate
|
|
case "MemberTypeAnnotation": // Flow
|
|
case "Type": // Flow
|
|
case "TSHasOptionalTypeParameterInstantiation":
|
|
case "TSHasOptionalTypeParameters":
|
|
case "TSHasOptionalTypeAnnotation":
|
|
throw new Error("unprintable type: " + JSON.stringify(n.type));
|
|
case "CommentBlock": // Babel block comment.
|
|
case "Block": // Esprima block comment.
|
|
return lines_1.concat(["/*", lines_1.fromString(n.value, options), "*/"]);
|
|
case "CommentLine": // Babel line comment.
|
|
case "Line": // Esprima line comment.
|
|
return lines_1.concat(["//", lines_1.fromString(n.value, options)]);
|
|
// Type Annotations for Facebook Flow, typically stripped out or
|
|
// transformed away before printing.
|
|
case "TypeAnnotation":
|
|
if (n.typeAnnotation) {
|
|
if (n.typeAnnotation.type !== "FunctionTypeAnnotation") {
|
|
parts.push(": ");
|
|
}
|
|
parts.push(path.call(print, "typeAnnotation"));
|
|
return lines_1.concat(parts);
|
|
}
|
|
return lines_1.fromString("");
|
|
case "ExistentialTypeParam":
|
|
case "ExistsTypeAnnotation":
|
|
return lines_1.fromString("*", options);
|
|
case "EmptyTypeAnnotation":
|
|
return lines_1.fromString("empty", options);
|
|
case "AnyTypeAnnotation":
|
|
return lines_1.fromString("any", options);
|
|
case "MixedTypeAnnotation":
|
|
return lines_1.fromString("mixed", options);
|
|
case "ArrayTypeAnnotation":
|
|
return lines_1.concat([
|
|
path.call(print, "elementType"),
|
|
"[]"
|
|
]);
|
|
case "TupleTypeAnnotation":
|
|
var printed = path.map(print, "types");
|
|
var joined = lines_1.fromString(", ").join(printed);
|
|
var oneLine = joined.getLineLength(1) <= options.wrapColumn;
|
|
if (oneLine) {
|
|
if (options.arrayBracketSpacing) {
|
|
parts.push("[ ");
|
|
}
|
|
else {
|
|
parts.push("[");
|
|
}
|
|
}
|
|
else {
|
|
parts.push("[\n");
|
|
}
|
|
path.each(function (elemPath) {
|
|
var i = elemPath.getName();
|
|
var elem = elemPath.getValue();
|
|
if (!elem) {
|
|
// If the array expression ends with a hole, that hole
|
|
// will be ignored by the interpreter, but if it ends with
|
|
// two (or more) holes, we need to write out two (or more)
|
|
// commas so that the resulting code is interpreted with
|
|
// both (all) of the holes.
|
|
parts.push(",");
|
|
}
|
|
else {
|
|
var lines = printed[i];
|
|
if (oneLine) {
|
|
if (i > 0)
|
|
parts.push(" ");
|
|
}
|
|
else {
|
|
lines = lines.indent(options.tabWidth);
|
|
}
|
|
parts.push(lines);
|
|
if (i < n.types.length - 1 || (!oneLine && util.isTrailingCommaEnabled(options, "arrays")))
|
|
parts.push(",");
|
|
if (!oneLine)
|
|
parts.push("\n");
|
|
}
|
|
}, "types");
|
|
if (oneLine && options.arrayBracketSpacing) {
|
|
parts.push(" ]");
|
|
}
|
|
else {
|
|
parts.push("]");
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "BooleanTypeAnnotation":
|
|
return lines_1.fromString("boolean", options);
|
|
case "BooleanLiteralTypeAnnotation":
|
|
assert_1.default.strictEqual(typeof n.value, "boolean");
|
|
return lines_1.fromString("" + n.value, options);
|
|
case "InterfaceTypeAnnotation":
|
|
parts.push("interface");
|
|
if (n.extends && n.extends.length > 0) {
|
|
parts.push(" extends ", lines_1.fromString(", ").join(path.map(print, "extends")));
|
|
}
|
|
parts.push(" ", path.call(print, "body"));
|
|
return lines_1.concat(parts);
|
|
case "DeclareClass":
|
|
return printFlowDeclaration(path, [
|
|
"class ",
|
|
path.call(print, "id"),
|
|
" ",
|
|
path.call(print, "body"),
|
|
]);
|
|
case "DeclareFunction":
|
|
return printFlowDeclaration(path, [
|
|
"function ",
|
|
path.call(print, "id"),
|
|
";"
|
|
]);
|
|
case "DeclareModule":
|
|
return printFlowDeclaration(path, [
|
|
"module ",
|
|
path.call(print, "id"),
|
|
" ",
|
|
path.call(print, "body"),
|
|
]);
|
|
case "DeclareModuleExports":
|
|
return printFlowDeclaration(path, [
|
|
"module.exports",
|
|
path.call(print, "typeAnnotation"),
|
|
]);
|
|
case "DeclareVariable":
|
|
return printFlowDeclaration(path, [
|
|
"var ",
|
|
path.call(print, "id"),
|
|
";"
|
|
]);
|
|
case "DeclareExportDeclaration":
|
|
case "DeclareExportAllDeclaration":
|
|
return lines_1.concat([
|
|
"declare ",
|
|
printExportDeclaration(path, options, print)
|
|
]);
|
|
case "InferredPredicate":
|
|
return lines_1.fromString("%checks", options);
|
|
case "DeclaredPredicate":
|
|
return lines_1.concat([
|
|
"%checks(",
|
|
path.call(print, "value"),
|
|
")"
|
|
]);
|
|
case "FunctionTypeAnnotation":
|
|
// FunctionTypeAnnotation is ambiguous:
|
|
// declare function(a: B): void; OR
|
|
// var A: (a: B) => void;
|
|
var parent = path.getParentNode(0);
|
|
var isArrowFunctionTypeAnnotation = !(namedTypes.ObjectTypeCallProperty.check(parent) ||
|
|
(namedTypes.ObjectTypeInternalSlot.check(parent) && parent.method) ||
|
|
namedTypes.DeclareFunction.check(path.getParentNode(2)));
|
|
var needsColon = isArrowFunctionTypeAnnotation &&
|
|
!namedTypes.FunctionTypeParam.check(parent);
|
|
if (needsColon) {
|
|
parts.push(": ");
|
|
}
|
|
parts.push("(", printFunctionParams(path, options, print), ")");
|
|
// The returnType is not wrapped in a TypeAnnotation, so the colon
|
|
// needs to be added separately.
|
|
if (n.returnType) {
|
|
parts.push(isArrowFunctionTypeAnnotation ? " => " : ": ", path.call(print, "returnType"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "FunctionTypeParam":
|
|
return lines_1.concat([
|
|
path.call(print, "name"),
|
|
n.optional ? '?' : '',
|
|
": ",
|
|
path.call(print, "typeAnnotation"),
|
|
]);
|
|
case "GenericTypeAnnotation":
|
|
return lines_1.concat([
|
|
path.call(print, "id"),
|
|
path.call(print, "typeParameters")
|
|
]);
|
|
case "DeclareInterface":
|
|
parts.push("declare ");
|
|
// Fall through to InterfaceDeclaration...
|
|
case "InterfaceDeclaration":
|
|
case "TSInterfaceDeclaration":
|
|
if (n.declare) {
|
|
parts.push("declare ");
|
|
}
|
|
parts.push("interface ", path.call(print, "id"), path.call(print, "typeParameters"), " ");
|
|
if (n["extends"] && n["extends"].length > 0) {
|
|
parts.push("extends ", lines_1.fromString(", ").join(path.map(print, "extends")), " ");
|
|
}
|
|
if (n.body) {
|
|
parts.push(path.call(print, "body"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "ClassImplements":
|
|
case "InterfaceExtends":
|
|
return lines_1.concat([
|
|
path.call(print, "id"),
|
|
path.call(print, "typeParameters")
|
|
]);
|
|
case "IntersectionTypeAnnotation":
|
|
return lines_1.fromString(" & ").join(path.map(print, "types"));
|
|
case "NullableTypeAnnotation":
|
|
return lines_1.concat([
|
|
"?",
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
case "NullLiteralTypeAnnotation":
|
|
return lines_1.fromString("null", options);
|
|
case "ThisTypeAnnotation":
|
|
return lines_1.fromString("this", options);
|
|
case "NumberTypeAnnotation":
|
|
return lines_1.fromString("number", options);
|
|
case "ObjectTypeCallProperty":
|
|
return path.call(print, "value");
|
|
case "ObjectTypeIndexer":
|
|
return lines_1.concat([
|
|
printVariance(path, print),
|
|
"[",
|
|
path.call(print, "id"),
|
|
": ",
|
|
path.call(print, "key"),
|
|
"]: ",
|
|
path.call(print, "value")
|
|
]);
|
|
case "ObjectTypeProperty":
|
|
return lines_1.concat([
|
|
printVariance(path, print),
|
|
path.call(print, "key"),
|
|
n.optional ? "?" : "",
|
|
": ",
|
|
path.call(print, "value")
|
|
]);
|
|
case "ObjectTypeInternalSlot":
|
|
return lines_1.concat([
|
|
n.static ? "static " : "",
|
|
"[[",
|
|
path.call(print, "id"),
|
|
"]]",
|
|
n.optional ? "?" : "",
|
|
n.value.type !== "FunctionTypeAnnotation" ? ": " : "",
|
|
path.call(print, "value")
|
|
]);
|
|
case "QualifiedTypeIdentifier":
|
|
return lines_1.concat([
|
|
path.call(print, "qualification"),
|
|
".",
|
|
path.call(print, "id")
|
|
]);
|
|
case "StringLiteralTypeAnnotation":
|
|
return lines_1.fromString(nodeStr(n.value, options), options);
|
|
case "NumberLiteralTypeAnnotation":
|
|
case "NumericLiteralTypeAnnotation":
|
|
assert_1.default.strictEqual(typeof n.value, "number");
|
|
return lines_1.fromString(JSON.stringify(n.value), options);
|
|
case "StringTypeAnnotation":
|
|
return lines_1.fromString("string", options);
|
|
case "DeclareTypeAlias":
|
|
parts.push("declare ");
|
|
// Fall through to TypeAlias...
|
|
case "TypeAlias":
|
|
return lines_1.concat([
|
|
"type ",
|
|
path.call(print, "id"),
|
|
path.call(print, "typeParameters"),
|
|
" = ",
|
|
path.call(print, "right"),
|
|
";"
|
|
]);
|
|
case "DeclareOpaqueType":
|
|
parts.push("declare ");
|
|
// Fall through to OpaqueType...
|
|
case "OpaqueType":
|
|
parts.push("opaque type ", path.call(print, "id"), path.call(print, "typeParameters"));
|
|
if (n["supertype"]) {
|
|
parts.push(": ", path.call(print, "supertype"));
|
|
}
|
|
if (n["impltype"]) {
|
|
parts.push(" = ", path.call(print, "impltype"));
|
|
}
|
|
parts.push(";");
|
|
return lines_1.concat(parts);
|
|
case "TypeCastExpression":
|
|
return lines_1.concat([
|
|
"(",
|
|
path.call(print, "expression"),
|
|
path.call(print, "typeAnnotation"),
|
|
")"
|
|
]);
|
|
case "TypeParameterDeclaration":
|
|
case "TypeParameterInstantiation":
|
|
return lines_1.concat([
|
|
"<",
|
|
lines_1.fromString(", ").join(path.map(print, "params")),
|
|
">"
|
|
]);
|
|
case "Variance":
|
|
if (n.kind === "plus") {
|
|
return lines_1.fromString("+");
|
|
}
|
|
if (n.kind === "minus") {
|
|
return lines_1.fromString("-");
|
|
}
|
|
return lines_1.fromString("");
|
|
case "TypeParameter":
|
|
if (n.variance) {
|
|
parts.push(printVariance(path, print));
|
|
}
|
|
parts.push(path.call(print, 'name'));
|
|
if (n.bound) {
|
|
parts.push(path.call(print, 'bound'));
|
|
}
|
|
if (n['default']) {
|
|
parts.push('=', path.call(print, 'default'));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "TypeofTypeAnnotation":
|
|
return lines_1.concat([
|
|
lines_1.fromString("typeof ", options),
|
|
path.call(print, "argument")
|
|
]);
|
|
case "UnionTypeAnnotation":
|
|
return lines_1.fromString(" | ").join(path.map(print, "types"));
|
|
case "VoidTypeAnnotation":
|
|
return lines_1.fromString("void", options);
|
|
case "NullTypeAnnotation":
|
|
return lines_1.fromString("null", options);
|
|
// Type Annotations for TypeScript (when using Babylon as parser)
|
|
case "TSType":
|
|
throw new Error("unprintable type: " + JSON.stringify(n.type));
|
|
case "TSNumberKeyword":
|
|
return lines_1.fromString("number", options);
|
|
case "TSBigIntKeyword":
|
|
return lines_1.fromString("bigint", options);
|
|
case "TSObjectKeyword":
|
|
return lines_1.fromString("object", options);
|
|
case "TSBooleanKeyword":
|
|
return lines_1.fromString("boolean", options);
|
|
case "TSStringKeyword":
|
|
return lines_1.fromString("string", options);
|
|
case "TSSymbolKeyword":
|
|
return lines_1.fromString("symbol", options);
|
|
case "TSAnyKeyword":
|
|
return lines_1.fromString("any", options);
|
|
case "TSVoidKeyword":
|
|
return lines_1.fromString("void", options);
|
|
case "TSThisType":
|
|
return lines_1.fromString("this", options);
|
|
case "TSNullKeyword":
|
|
return lines_1.fromString("null", options);
|
|
case "TSUndefinedKeyword":
|
|
return lines_1.fromString("undefined", options);
|
|
case "TSUnknownKeyword":
|
|
return lines_1.fromString("unknown", options);
|
|
case "TSNeverKeyword":
|
|
return lines_1.fromString("never", options);
|
|
case "TSArrayType":
|
|
return lines_1.concat([
|
|
path.call(print, "elementType"),
|
|
"[]"
|
|
]);
|
|
case "TSLiteralType":
|
|
return path.call(print, "literal");
|
|
case "TSUnionType":
|
|
return lines_1.fromString(" | ").join(path.map(print, "types"));
|
|
case "TSIntersectionType":
|
|
return lines_1.fromString(" & ").join(path.map(print, "types"));
|
|
case "TSConditionalType":
|
|
parts.push(path.call(print, "checkType"), " extends ", path.call(print, "extendsType"), " ? ", path.call(print, "trueType"), " : ", path.call(print, "falseType"));
|
|
return lines_1.concat(parts);
|
|
case "TSInferType":
|
|
parts.push("infer ", path.call(print, "typeParameter"));
|
|
return lines_1.concat(parts);
|
|
case "TSParenthesizedType":
|
|
return lines_1.concat([
|
|
"(",
|
|
path.call(print, "typeAnnotation"),
|
|
")"
|
|
]);
|
|
case "TSFunctionType":
|
|
case "TSConstructorType":
|
|
return lines_1.concat([
|
|
path.call(print, "typeParameters"),
|
|
"(",
|
|
printFunctionParams(path, options, print),
|
|
")",
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
case "TSMappedType": {
|
|
parts.push(n.readonly ? "readonly " : "", "[", path.call(print, "typeParameter"), "]", n.optional ? "?" : "");
|
|
if (n.typeAnnotation) {
|
|
parts.push(": ", path.call(print, "typeAnnotation"), ";");
|
|
}
|
|
return lines_1.concat([
|
|
"{\n",
|
|
lines_1.concat(parts).indent(options.tabWidth),
|
|
"\n}",
|
|
]);
|
|
}
|
|
case "TSTupleType":
|
|
return lines_1.concat([
|
|
"[",
|
|
lines_1.fromString(", ").join(path.map(print, "elementTypes")),
|
|
"]"
|
|
]);
|
|
case "TSRestType":
|
|
return lines_1.concat([
|
|
"...",
|
|
path.call(print, "typeAnnotation"),
|
|
"[]"
|
|
]);
|
|
case "TSOptionalType":
|
|
return lines_1.concat([
|
|
path.call(print, "typeAnnotation"),
|
|
"?"
|
|
]);
|
|
case "TSIndexedAccessType":
|
|
return lines_1.concat([
|
|
path.call(print, "objectType"),
|
|
"[",
|
|
path.call(print, "indexType"),
|
|
"]"
|
|
]);
|
|
case "TSTypeOperator":
|
|
return lines_1.concat([
|
|
path.call(print, "operator"),
|
|
" ",
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
case "TSTypeLiteral": {
|
|
var memberLines_1 = lines_1.fromString(",\n").join(path.map(print, "members"));
|
|
if (memberLines_1.isEmpty()) {
|
|
return lines_1.fromString("{}", options);
|
|
}
|
|
parts.push("{\n", memberLines_1.indent(options.tabWidth), "\n}");
|
|
return lines_1.concat(parts);
|
|
}
|
|
case "TSEnumMember":
|
|
parts.push(path.call(print, "id"));
|
|
if (n.initializer) {
|
|
parts.push(" = ", path.call(print, "initializer"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "TSTypeQuery":
|
|
return lines_1.concat([
|
|
"typeof ",
|
|
path.call(print, "exprName"),
|
|
]);
|
|
case "TSParameterProperty":
|
|
if (n.accessibility) {
|
|
parts.push(n.accessibility, " ");
|
|
}
|
|
if (n.export) {
|
|
parts.push("export ");
|
|
}
|
|
if (n.static) {
|
|
parts.push("static ");
|
|
}
|
|
if (n.readonly) {
|
|
parts.push("readonly ");
|
|
}
|
|
parts.push(path.call(print, "parameter"));
|
|
return lines_1.concat(parts);
|
|
case "TSTypeReference":
|
|
return lines_1.concat([
|
|
path.call(print, "typeName"),
|
|
path.call(print, "typeParameters")
|
|
]);
|
|
case "TSQualifiedName":
|
|
return lines_1.concat([
|
|
path.call(print, "left"),
|
|
".",
|
|
path.call(print, "right")
|
|
]);
|
|
case "TSAsExpression": {
|
|
var withParens = n.extra && n.extra.parenthesized === true;
|
|
if (withParens)
|
|
parts.push("(");
|
|
parts.push(path.call(print, "expression"), lines_1.fromString(" as "), path.call(print, "typeAnnotation"));
|
|
if (withParens)
|
|
parts.push(")");
|
|
return lines_1.concat(parts);
|
|
}
|
|
case "TSNonNullExpression":
|
|
return lines_1.concat([
|
|
path.call(print, "expression"),
|
|
"!"
|
|
]);
|
|
case "TSTypeAnnotation": {
|
|
// similar to flow's FunctionTypeAnnotation, this can be
|
|
// ambiguous: it can be prefixed by => or :
|
|
// in a type predicate, it takes the for u is U
|
|
var parent = path.getParentNode(0);
|
|
var prefix = ": ";
|
|
if (namedTypes.TSFunctionType.check(parent)) {
|
|
prefix = " => ";
|
|
}
|
|
if (namedTypes.TSTypePredicate.check(parent)) {
|
|
prefix = " is ";
|
|
}
|
|
return lines_1.concat([
|
|
prefix,
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
}
|
|
case "TSIndexSignature":
|
|
return lines_1.concat([
|
|
n.readonly ? "readonly " : "",
|
|
"[",
|
|
path.map(print, "parameters"),
|
|
"]",
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
case "TSPropertySignature":
|
|
parts.push(printVariance(path, print), n.readonly ? "readonly " : "");
|
|
if (n.computed) {
|
|
parts.push("[", path.call(print, "key"), "]");
|
|
}
|
|
else {
|
|
parts.push(path.call(print, "key"));
|
|
}
|
|
parts.push(n.optional ? "?" : "", path.call(print, "typeAnnotation"));
|
|
return lines_1.concat(parts);
|
|
case "TSMethodSignature":
|
|
if (n.computed) {
|
|
parts.push("[", path.call(print, "key"), "]");
|
|
}
|
|
else {
|
|
parts.push(path.call(print, "key"));
|
|
}
|
|
if (n.optional) {
|
|
parts.push("?");
|
|
}
|
|
parts.push(path.call(print, "typeParameters"), "(", printFunctionParams(path, options, print), ")", path.call(print, "typeAnnotation"));
|
|
return lines_1.concat(parts);
|
|
case "TSTypePredicate":
|
|
return lines_1.concat([
|
|
path.call(print, "parameterName"),
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
case "TSCallSignatureDeclaration":
|
|
return lines_1.concat([
|
|
path.call(print, "typeParameters"),
|
|
"(",
|
|
printFunctionParams(path, options, print),
|
|
")",
|
|
path.call(print, "typeAnnotation")
|
|
]);
|
|
case "TSConstructSignatureDeclaration":
|
|
if (n.typeParameters) {
|
|
parts.push("new", path.call(print, "typeParameters"));
|
|
}
|
|
else {
|
|
parts.push("new ");
|
|
}
|
|
parts.push("(", printFunctionParams(path, options, print), ")", path.call(print, "typeAnnotation"));
|
|
return lines_1.concat(parts);
|
|
case "TSTypeAliasDeclaration":
|
|
return lines_1.concat([
|
|
n.declare ? "declare " : "",
|
|
"type ",
|
|
path.call(print, "id"),
|
|
path.call(print, "typeParameters"),
|
|
" = ",
|
|
path.call(print, "typeAnnotation"),
|
|
";"
|
|
]);
|
|
case "TSTypeParameter":
|
|
parts.push(path.call(print, "name"));
|
|
// ambiguous because of TSMappedType
|
|
var parent = path.getParentNode(0);
|
|
var isInMappedType = namedTypes.TSMappedType.check(parent);
|
|
if (n.constraint) {
|
|
parts.push(isInMappedType ? " in " : " extends ", path.call(print, "constraint"));
|
|
}
|
|
if (n["default"]) {
|
|
parts.push(" = ", path.call(print, "default"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "TSTypeAssertion":
|
|
var withParens = n.extra && n.extra.parenthesized === true;
|
|
if (withParens) {
|
|
parts.push("(");
|
|
}
|
|
parts.push("<", path.call(print, "typeAnnotation"), "> ", path.call(print, "expression"));
|
|
if (withParens) {
|
|
parts.push(")");
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "TSTypeParameterDeclaration":
|
|
case "TSTypeParameterInstantiation":
|
|
return lines_1.concat([
|
|
"<",
|
|
lines_1.fromString(", ").join(path.map(print, "params")),
|
|
">"
|
|
]);
|
|
case "TSEnumDeclaration":
|
|
parts.push(n.declare ? "declare " : "", n.const ? "const " : "", "enum ", path.call(print, "id"));
|
|
var memberLines = lines_1.fromString(",\n").join(path.map(print, "members"));
|
|
if (memberLines.isEmpty()) {
|
|
parts.push(" {}");
|
|
}
|
|
else {
|
|
parts.push(" {\n", memberLines.indent(options.tabWidth), "\n}");
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "TSExpressionWithTypeArguments":
|
|
return lines_1.concat([
|
|
path.call(print, "expression"),
|
|
path.call(print, "typeParameters")
|
|
]);
|
|
case "TSInterfaceBody":
|
|
var lines = lines_1.fromString(";\n").join(path.map(print, "body"));
|
|
if (lines.isEmpty()) {
|
|
return lines_1.fromString("{}", options);
|
|
}
|
|
return lines_1.concat([
|
|
"{\n",
|
|
lines.indent(options.tabWidth), ";",
|
|
"\n}",
|
|
]);
|
|
case "TSImportType":
|
|
parts.push("import(", path.call(print, "argument"), ")");
|
|
if (n.qualifier) {
|
|
parts.push(".", path.call(print, "qualifier"));
|
|
}
|
|
if (n.typeParameters) {
|
|
parts.push(path.call(print, "typeParameters"));
|
|
}
|
|
return lines_1.concat(parts);
|
|
case "TSImportEqualsDeclaration":
|
|
if (n.isExport) {
|
|
parts.push("export ");
|
|
}
|
|
parts.push("import ", path.call(print, "id"), " = ", path.call(print, "moduleReference"));
|
|
return maybeAddSemicolon(lines_1.concat(parts));
|
|
case "TSExternalModuleReference":
|
|
return lines_1.concat(["require(", path.call(print, "expression"), ")"]);
|
|
case "TSModuleDeclaration": {
|
|
var parent_1 = path.getParentNode();
|
|
if (parent_1.type === "TSModuleDeclaration") {
|
|
parts.push(".");
|
|
}
|
|
else {
|
|
if (n.declare) {
|
|
parts.push("declare ");
|
|
}
|
|
if (!n.global) {
|
|
var isExternal = n.id.type === "StringLiteral" ||
|
|
(n.id.type === "Literal" &&
|
|
typeof n.id.value === "string");
|
|
if (isExternal) {
|
|
parts.push("module ");
|
|
}
|
|
else if (n.loc &&
|
|
n.loc.lines &&
|
|
n.id.loc) {
|
|
var prefix_1 = n.loc.lines.sliceString(n.loc.start, n.id.loc.start);
|
|
// These keywords are fundamentally ambiguous in the
|
|
// Babylon parser, and not reflected in the AST, so
|
|
// the best we can do is to match the original code,
|
|
// when possible.
|
|
if (prefix_1.indexOf("module") >= 0) {
|
|
parts.push("module ");
|
|
}
|
|
else {
|
|
parts.push("namespace ");
|
|
}
|
|
}
|
|
else {
|
|
parts.push("namespace ");
|
|
}
|
|
}
|
|
}
|
|
parts.push(path.call(print, "id"));
|
|
if (n.body && n.body.type === "TSModuleDeclaration") {
|
|
parts.push(path.call(print, "body"));
|
|
}
|
|
else if (n.body) {
|
|
var bodyLines = path.call(print, "body");
|
|
if (bodyLines.isEmpty()) {
|
|
parts.push(" {}");
|
|
}
|
|
else {
|
|
parts.push(" {\n", bodyLines.indent(options.tabWidth), "\n}");
|
|
}
|
|
}
|
|
return lines_1.concat(parts);
|
|
}
|
|
case "TSModuleBlock":
|
|
return path.call(function (bodyPath) {
|
|
return printStatementSequence(bodyPath, options, print);
|
|
}, "body");
|
|
// Unhandled types below. If encountered, nodes of these types should
|
|
// be either left alone or desugared into AST types that are fully
|
|
// supported by the pretty-printer.
|
|
case "ClassHeritage": // TODO
|
|
case "ComprehensionBlock": // TODO
|
|
case "ComprehensionExpression": // TODO
|
|
case "Glob": // TODO
|
|
case "GeneratorExpression": // TODO
|
|
case "LetStatement": // TODO
|
|
case "LetExpression": // TODO
|
|
case "GraphExpression": // TODO
|
|
case "GraphIndexExpression": // TODO
|
|
// XML types that nobody cares about or needs to print.
|
|
case "XMLDefaultDeclaration":
|
|
case "XMLAnyName":
|
|
case "XMLQualifiedIdentifier":
|
|
case "XMLFunctionQualifiedIdentifier":
|
|
case "XMLAttributeSelector":
|
|
case "XMLFilterExpression":
|
|
case "XML":
|
|
case "XMLElement":
|
|
case "XMLList":
|
|
case "XMLEscape":
|
|
case "XMLText":
|
|
case "XMLStartTag":
|
|
case "XMLEndTag":
|
|
case "XMLPointTag":
|
|
case "XMLName":
|
|
case "XMLAttribute":
|
|
case "XMLCdata":
|
|
case "XMLComment":
|
|
case "XMLProcessingInstruction":
|
|
default:
|
|
debugger;
|
|
throw new Error("unknown type: " + JSON.stringify(n.type));
|
|
}
|
|
}
|
|
function printDecorators(path, printPath) {
|
|
var parts = [];
|
|
var node = path.getValue();
|
|
if (node.decorators &&
|
|
node.decorators.length > 0 &&
|
|
// If the parent node is an export declaration, it will be
|
|
// responsible for printing node.decorators.
|
|
!util.getParentExportDeclaration(path)) {
|
|
path.each(function (decoratorPath) {
|
|
parts.push(printPath(decoratorPath), "\n");
|
|
}, "decorators");
|
|
}
|
|
else if (util.isExportDeclaration(node) &&
|
|
node.declaration &&
|
|
node.declaration.decorators) {
|
|
// Export declarations are responsible for printing any decorators
|
|
// that logically apply to node.declaration.
|
|
path.each(function (decoratorPath) {
|
|
parts.push(printPath(decoratorPath), "\n");
|
|
}, "declaration", "decorators");
|
|
}
|
|
return lines_1.concat(parts);
|
|
}
|
|
function printStatementSequence(path, options, print) {
|
|
var filtered = [];
|
|
var sawComment = false;
|
|
var sawStatement = false;
|
|
path.each(function (stmtPath) {
|
|
var stmt = stmtPath.getValue();
|
|
// Just in case the AST has been modified to contain falsy
|
|
// "statements," it's safer simply to skip them.
|
|
if (!stmt) {
|
|
return;
|
|
}
|
|
// Skip printing EmptyStatement nodes to avoid leaving stray
|
|
// semicolons lying around.
|
|
if (stmt.type === "EmptyStatement" &&
|
|
!(stmt.comments && stmt.comments.length > 0)) {
|
|
return;
|
|
}
|
|
if (namedTypes.Comment.check(stmt)) {
|
|
// The pretty printer allows a dangling Comment node to act as
|
|
// a Statement when the Comment can't be attached to any other
|
|
// non-Comment node in the tree.
|
|
sawComment = true;
|
|
}
|
|
else if (namedTypes.Statement.check(stmt)) {
|
|
sawStatement = true;
|
|
}
|
|
else {
|
|
// When the pretty printer encounters a string instead of an
|
|
// AST node, it just prints the string. This behavior can be
|
|
// useful for fine-grained formatting decisions like inserting
|
|
// blank lines.
|
|
isString.assert(stmt);
|
|
}
|
|
// We can't hang onto stmtPath outside of this function, because
|
|
// it's just a reference to a mutable FastPath object, so we have
|
|
// to go ahead and print it here.
|
|
filtered.push({
|
|
node: stmt,
|
|
printed: print(stmtPath)
|
|
});
|
|
});
|
|
if (sawComment) {
|
|
assert_1.default.strictEqual(sawStatement, false, "Comments may appear as statements in otherwise empty statement " +
|
|
"lists, but may not coexist with non-Comment nodes.");
|
|
}
|
|
var prevTrailingSpace = null;
|
|
var len = filtered.length;
|
|
var parts = [];
|
|
filtered.forEach(function (info, i) {
|
|
var printed = info.printed;
|
|
var stmt = info.node;
|
|
var multiLine = printed.length > 1;
|
|
var notFirst = i > 0;
|
|
var notLast = i < len - 1;
|
|
var leadingSpace;
|
|
var trailingSpace;
|
|
var lines = stmt && stmt.loc && stmt.loc.lines;
|
|
var trueLoc = lines && options.reuseWhitespace &&
|
|
util.getTrueLoc(stmt, lines);
|
|
if (notFirst) {
|
|
if (trueLoc) {
|
|
var beforeStart = lines.skipSpaces(trueLoc.start, true);
|
|
var beforeStartLine = beforeStart ? beforeStart.line : 1;
|
|
var leadingGap = trueLoc.start.line - beforeStartLine;
|
|
leadingSpace = Array(leadingGap + 1).join("\n");
|
|
}
|
|
else {
|
|
leadingSpace = multiLine ? "\n\n" : "\n";
|
|
}
|
|
}
|
|
else {
|
|
leadingSpace = "";
|
|
}
|
|
if (notLast) {
|
|
if (trueLoc) {
|
|
var afterEnd = lines.skipSpaces(trueLoc.end);
|
|
var afterEndLine = afterEnd ? afterEnd.line : lines.length;
|
|
var trailingGap = afterEndLine - trueLoc.end.line;
|
|
trailingSpace = Array(trailingGap + 1).join("\n");
|
|
}
|
|
else {
|
|
trailingSpace = multiLine ? "\n\n" : "\n";
|
|
}
|
|
}
|
|
else {
|
|
trailingSpace = "";
|
|
}
|
|
parts.push(maxSpace(prevTrailingSpace, leadingSpace), printed);
|
|
if (notLast) {
|
|
prevTrailingSpace = trailingSpace;
|
|
}
|
|
else if (trailingSpace) {
|
|
parts.push(trailingSpace);
|
|
}
|
|
});
|
|
return lines_1.concat(parts);
|
|
}
|
|
function maxSpace(s1, s2) {
|
|
if (!s1 && !s2) {
|
|
return lines_1.fromString("");
|
|
}
|
|
if (!s1) {
|
|
return lines_1.fromString(s2);
|
|
}
|
|
if (!s2) {
|
|
return lines_1.fromString(s1);
|
|
}
|
|
var spaceLines1 = lines_1.fromString(s1);
|
|
var spaceLines2 = lines_1.fromString(s2);
|
|
if (spaceLines2.length > spaceLines1.length) {
|
|
return spaceLines2;
|
|
}
|
|
return spaceLines1;
|
|
}
|
|
function printMethod(path, options, print) {
|
|
var node = path.getNode();
|
|
var kind = node.kind;
|
|
var parts = [];
|
|
var nodeValue = node.value;
|
|
if (!namedTypes.FunctionExpression.check(nodeValue)) {
|
|
nodeValue = node;
|
|
}
|
|
var access = node.accessibility || node.access;
|
|
if (typeof access === "string") {
|
|
parts.push(access, " ");
|
|
}
|
|
if (node.static) {
|
|
parts.push("static ");
|
|
}
|
|
if (node.abstract) {
|
|
parts.push("abstract ");
|
|
}
|
|
if (node.readonly) {
|
|
parts.push("readonly ");
|
|
}
|
|
if (nodeValue.async) {
|
|
parts.push("async ");
|
|
}
|
|
if (nodeValue.generator) {
|
|
parts.push("*");
|
|
}
|
|
if (kind === "get" || kind === "set") {
|
|
parts.push(kind, " ");
|
|
}
|
|
var key = path.call(print, "key");
|
|
if (node.computed) {
|
|
key = lines_1.concat(["[", key, "]"]);
|
|
}
|
|
parts.push(key);
|
|
if (node.optional) {
|
|
parts.push("?");
|
|
}
|
|
if (node === nodeValue) {
|
|
parts.push(path.call(print, "typeParameters"), "(", printFunctionParams(path, options, print), ")", path.call(print, "returnType"));
|
|
if (node.body) {
|
|
parts.push(" ", path.call(print, "body"));
|
|
}
|
|
else {
|
|
parts.push(";");
|
|
}
|
|
}
|
|
else {
|
|
parts.push(path.call(print, "value", "typeParameters"), "(", path.call(function (valuePath) {
|
|
return printFunctionParams(valuePath, options, print);
|
|
}, "value"), ")", path.call(print, "value", "returnType"));
|
|
if (nodeValue.body) {
|
|
parts.push(" ", path.call(print, "value", "body"));
|
|
}
|
|
else {
|
|
parts.push(";");
|
|
}
|
|
}
|
|
return lines_1.concat(parts);
|
|
}
|
|
function printArgumentsList(path, options, print) {
|
|
var printed = path.map(print, "arguments");
|
|
var trailingComma = util.isTrailingCommaEnabled(options, "parameters");
|
|
var joined = lines_1.fromString(", ").join(printed);
|
|
if (joined.getLineLength(1) > options.wrapColumn) {
|
|
joined = lines_1.fromString(",\n").join(printed);
|
|
return lines_1.concat([
|
|
"(\n",
|
|
joined.indent(options.tabWidth),
|
|
trailingComma ? ",\n)" : "\n)"
|
|
]);
|
|
}
|
|
return lines_1.concat(["(", joined, ")"]);
|
|
}
|
|
function printFunctionParams(path, options, print) {
|
|
var fun = path.getValue();
|
|
if (fun.params) {
|
|
var params = fun.params;
|
|
var printed = path.map(print, "params");
|
|
}
|
|
else if (fun.parameters) {
|
|
params = fun.parameters;
|
|
printed = path.map(print, "parameters");
|
|
}
|
|
if (fun.defaults) {
|
|
path.each(function (defExprPath) {
|
|
var i = defExprPath.getName();
|
|
var p = printed[i];
|
|
if (p && defExprPath.getValue()) {
|
|
printed[i] = lines_1.concat([p, " = ", print(defExprPath)]);
|
|
}
|
|
}, "defaults");
|
|
}
|
|
if (fun.rest) {
|
|
printed.push(lines_1.concat(["...", path.call(print, "rest")]));
|
|
}
|
|
var joined = lines_1.fromString(", ").join(printed);
|
|
if (joined.length > 1 ||
|
|
joined.getLineLength(1) > options.wrapColumn) {
|
|
joined = lines_1.fromString(",\n").join(printed);
|
|
if (util.isTrailingCommaEnabled(options, "parameters") &&
|
|
!fun.rest &&
|
|
params[params.length - 1].type !== 'RestElement') {
|
|
joined = lines_1.concat([joined, ",\n"]);
|
|
}
|
|
else {
|
|
joined = lines_1.concat([joined, "\n"]);
|
|
}
|
|
return lines_1.concat(["\n", joined.indent(options.tabWidth)]);
|
|
}
|
|
return joined;
|
|
}
|
|
function printExportDeclaration(path, options, print) {
|
|
var decl = path.getValue();
|
|
var parts = ["export "];
|
|
if (decl.exportKind && decl.exportKind !== "value") {
|
|
parts.push(decl.exportKind + " ");
|
|
}
|
|
var shouldPrintSpaces = options.objectCurlySpacing;
|
|
namedTypes.Declaration.assert(decl);
|
|
if (decl["default"] ||
|
|
decl.type === "ExportDefaultDeclaration") {
|
|
parts.push("default ");
|
|
}
|
|
if (decl.declaration) {
|
|
parts.push(path.call(print, "declaration"));
|
|
}
|
|
else if (decl.specifiers) {
|
|
if (decl.specifiers.length === 1 &&
|
|
decl.specifiers[0].type === "ExportBatchSpecifier") {
|
|
parts.push("*");
|
|
}
|
|
else if (decl.specifiers.length === 0) {
|
|
parts.push("{}");
|
|
}
|
|
else if (decl.specifiers[0].type === 'ExportDefaultSpecifier') {
|
|
var unbracedSpecifiers_2 = [];
|
|
var bracedSpecifiers_2 = [];
|
|
path.each(function (specifierPath) {
|
|
var spec = specifierPath.getValue();
|
|
if (spec.type === "ExportDefaultSpecifier") {
|
|
unbracedSpecifiers_2.push(print(specifierPath));
|
|
}
|
|
else {
|
|
bracedSpecifiers_2.push(print(specifierPath));
|
|
}
|
|
}, "specifiers");
|
|
unbracedSpecifiers_2.forEach(function (lines, i) {
|
|
if (i > 0) {
|
|
parts.push(", ");
|
|
}
|
|
parts.push(lines);
|
|
});
|
|
if (bracedSpecifiers_2.length > 0) {
|
|
var lines_3 = lines_1.fromString(", ").join(bracedSpecifiers_2);
|
|
if (lines_3.getLineLength(1) > options.wrapColumn) {
|
|
lines_3 = lines_1.concat([
|
|
lines_1.fromString(",\n").join(bracedSpecifiers_2).indent(options.tabWidth),
|
|
","
|
|
]);
|
|
}
|
|
if (unbracedSpecifiers_2.length > 0) {
|
|
parts.push(", ");
|
|
}
|
|
if (lines_3.length > 1) {
|
|
parts.push("{\n", lines_3, "\n}");
|
|
}
|
|
else if (options.objectCurlySpacing) {
|
|
parts.push("{ ", lines_3, " }");
|
|
}
|
|
else {
|
|
parts.push("{", lines_3, "}");
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
parts.push(shouldPrintSpaces ? "{ " : "{", lines_1.fromString(", ").join(path.map(print, "specifiers")), shouldPrintSpaces ? " }" : "}");
|
|
}
|
|
if (decl.source) {
|
|
parts.push(" from ", path.call(print, "source"));
|
|
}
|
|
}
|
|
var lines = lines_1.concat(parts);
|
|
if (lastNonSpaceCharacter(lines) !== ";" &&
|
|
!(decl.declaration &&
|
|
(decl.declaration.type === "FunctionDeclaration" ||
|
|
decl.declaration.type === "ClassDeclaration" ||
|
|
decl.declaration.type === "TSModuleDeclaration" ||
|
|
decl.declaration.type === "TSInterfaceDeclaration" ||
|
|
decl.declaration.type === "TSEnumDeclaration"))) {
|
|
lines = lines_1.concat([lines, ";"]);
|
|
}
|
|
return lines;
|
|
}
|
|
function printFlowDeclaration(path, parts) {
|
|
var parentExportDecl = util.getParentExportDeclaration(path);
|
|
if (parentExportDecl) {
|
|
assert_1.default.strictEqual(parentExportDecl.type, "DeclareExportDeclaration");
|
|
}
|
|
else {
|
|
// If the parent node has type DeclareExportDeclaration, then it
|
|
// will be responsible for printing the "declare" token. Otherwise
|
|
// it needs to be printed with this non-exported declaration node.
|
|
parts.unshift("declare ");
|
|
}
|
|
return lines_1.concat(parts);
|
|
}
|
|
function printVariance(path, print) {
|
|
return path.call(function (variancePath) {
|
|
var value = variancePath.getValue();
|
|
if (value) {
|
|
if (value === "plus") {
|
|
return lines_1.fromString("+");
|
|
}
|
|
if (value === "minus") {
|
|
return lines_1.fromString("-");
|
|
}
|
|
return print(variancePath);
|
|
}
|
|
return lines_1.fromString("");
|
|
}, "variance");
|
|
}
|
|
function adjustClause(clause, options) {
|
|
if (clause.length > 1)
|
|
return lines_1.concat([" ", clause]);
|
|
return lines_1.concat([
|
|
"\n",
|
|
maybeAddSemicolon(clause).indent(options.tabWidth)
|
|
]);
|
|
}
|
|
function lastNonSpaceCharacter(lines) {
|
|
var pos = lines.lastPos();
|
|
do {
|
|
var ch = lines.charAt(pos);
|
|
if (/\S/.test(ch))
|
|
return ch;
|
|
} while (lines.prevPos(pos));
|
|
}
|
|
function endsWithBrace(lines) {
|
|
return lastNonSpaceCharacter(lines) === "}";
|
|
}
|
|
function swapQuotes(str) {
|
|
return str.replace(/['"]/g, function (m) {
|
|
return m === '"' ? '\'' : '"';
|
|
});
|
|
}
|
|
function nodeStr(str, options) {
|
|
isString.assert(str);
|
|
switch (options.quote) {
|
|
case "auto":
|
|
var double = JSON.stringify(str);
|
|
var single = swapQuotes(JSON.stringify(swapQuotes(str)));
|
|
return double.length > single.length ? single : double;
|
|
case "single":
|
|
return swapQuotes(JSON.stringify(swapQuotes(str)));
|
|
case "double":
|
|
default:
|
|
return JSON.stringify(str);
|
|
}
|
|
}
|
|
function maybeAddSemicolon(lines) {
|
|
var eoc = lastNonSpaceCharacter(lines);
|
|
if (!eoc || "\n};".indexOf(eoc) < 0)
|
|
return lines_1.concat([lines, ";"]);
|
|
return lines;
|
|
}
|