555 lines
16 KiB
JavaScript
555 lines
16 KiB
JavaScript
"use strict";
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exports.__esModule = true;
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var _assign = require("babel-runtime/core-js/object/assign");
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var _assign2 = _interopRequireDefault(_assign);
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var _getIterator2 = require("babel-runtime/core-js/get-iterator");
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var _getIterator3 = _interopRequireDefault(_getIterator2);
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var _stringify = require("babel-runtime/core-js/json/stringify");
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var _stringify2 = _interopRequireDefault(_stringify);
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var _weakSet = require("babel-runtime/core-js/weak-set");
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var _weakSet2 = _interopRequireDefault(_weakSet);
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var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
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var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
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var _find = require("lodash/find");
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var _find2 = _interopRequireDefault(_find);
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var _findLast = require("lodash/findLast");
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var _findLast2 = _interopRequireDefault(_findLast);
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var _isInteger = require("lodash/isInteger");
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var _isInteger2 = _interopRequireDefault(_isInteger);
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var _repeat = require("lodash/repeat");
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var _repeat2 = _interopRequireDefault(_repeat);
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var _buffer = require("./buffer");
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var _buffer2 = _interopRequireDefault(_buffer);
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var _node = require("./node");
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var n = _interopRequireWildcard(_node);
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var _whitespace = require("./whitespace");
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var _whitespace2 = _interopRequireDefault(_whitespace);
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var _babelTypes = require("babel-types");
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var t = _interopRequireWildcard(_babelTypes);
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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var SCIENTIFIC_NOTATION = /e/i;
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var ZERO_DECIMAL_INTEGER = /\.0+$/;
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var NON_DECIMAL_LITERAL = /^0[box]/;
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var Printer = function () {
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function Printer(format, map, tokens) {
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(0, _classCallCheck3.default)(this, Printer);
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this.inForStatementInitCounter = 0;
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this._printStack = [];
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this._indent = 0;
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this._insideAux = false;
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this._printedCommentStarts = {};
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this._parenPushNewlineState = null;
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this._printAuxAfterOnNextUserNode = false;
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this._printedComments = new _weakSet2.default();
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this._endsWithInteger = false;
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this._endsWithWord = false;
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this.format = format || {};
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this._buf = new _buffer2.default(map);
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this._whitespace = tokens.length > 0 ? new _whitespace2.default(tokens) : null;
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}
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Printer.prototype.generate = function generate(ast) {
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this.print(ast);
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this._maybeAddAuxComment();
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return this._buf.get();
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};
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Printer.prototype.indent = function indent() {
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if (this.format.compact || this.format.concise) return;
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this._indent++;
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};
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Printer.prototype.dedent = function dedent() {
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if (this.format.compact || this.format.concise) return;
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this._indent--;
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};
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Printer.prototype.semicolon = function semicolon() {
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var force = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
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this._maybeAddAuxComment();
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this._append(";", !force);
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};
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Printer.prototype.rightBrace = function rightBrace() {
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if (this.format.minified) {
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this._buf.removeLastSemicolon();
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}
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this.token("}");
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};
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Printer.prototype.space = function space() {
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var force = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
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if (this.format.compact) return;
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if (this._buf.hasContent() && !this.endsWith(" ") && !this.endsWith("\n") || force) {
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this._space();
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}
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};
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Printer.prototype.word = function word(str) {
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if (this._endsWithWord) this._space();
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this._maybeAddAuxComment();
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this._append(str);
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this._endsWithWord = true;
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};
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Printer.prototype.number = function number(str) {
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this.word(str);
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this._endsWithInteger = (0, _isInteger2.default)(+str) && !NON_DECIMAL_LITERAL.test(str) && !SCIENTIFIC_NOTATION.test(str) && !ZERO_DECIMAL_INTEGER.test(str) && str[str.length - 1] !== ".";
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};
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Printer.prototype.token = function token(str) {
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if (str === "--" && this.endsWith("!") || str[0] === "+" && this.endsWith("+") || str[0] === "-" && this.endsWith("-") || str[0] === "." && this._endsWithInteger) {
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this._space();
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}
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this._maybeAddAuxComment();
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this._append(str);
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};
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Printer.prototype.newline = function newline(i) {
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if (this.format.retainLines || this.format.compact) return;
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if (this.format.concise) {
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this.space();
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return;
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}
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if (this.endsWith("\n\n")) return;
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if (typeof i !== "number") i = 1;
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i = Math.min(2, i);
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if (this.endsWith("{\n") || this.endsWith(":\n")) i--;
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if (i <= 0) return;
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for (var j = 0; j < i; j++) {
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this._newline();
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}
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};
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Printer.prototype.endsWith = function endsWith(str) {
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return this._buf.endsWith(str);
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};
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Printer.prototype.removeTrailingNewline = function removeTrailingNewline() {
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this._buf.removeTrailingNewline();
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};
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Printer.prototype.source = function source(prop, loc) {
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this._catchUp(prop, loc);
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this._buf.source(prop, loc);
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};
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Printer.prototype.withSource = function withSource(prop, loc, cb) {
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this._catchUp(prop, loc);
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this._buf.withSource(prop, loc, cb);
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};
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Printer.prototype._space = function _space() {
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this._append(" ", true);
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};
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Printer.prototype._newline = function _newline() {
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this._append("\n", true);
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};
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Printer.prototype._append = function _append(str) {
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var queue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
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this._maybeAddParen(str);
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this._maybeIndent(str);
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if (queue) this._buf.queue(str);else this._buf.append(str);
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this._endsWithWord = false;
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this._endsWithInteger = false;
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};
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Printer.prototype._maybeIndent = function _maybeIndent(str) {
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if (this._indent && this.endsWith("\n") && str[0] !== "\n") {
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this._buf.queue(this._getIndent());
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}
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};
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Printer.prototype._maybeAddParen = function _maybeAddParen(str) {
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var parenPushNewlineState = this._parenPushNewlineState;
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if (!parenPushNewlineState) return;
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this._parenPushNewlineState = null;
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var i = void 0;
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for (i = 0; i < str.length && str[i] === " "; i++) {
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continue;
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}if (i === str.length) return;
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var cha = str[i];
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if (cha === "\n" || cha === "/") {
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this.token("(");
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this.indent();
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parenPushNewlineState.printed = true;
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}
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};
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Printer.prototype._catchUp = function _catchUp(prop, loc) {
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if (!this.format.retainLines) return;
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var pos = loc ? loc[prop] : null;
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if (pos && pos.line !== null) {
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var count = pos.line - this._buf.getCurrentLine();
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for (var i = 0; i < count; i++) {
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this._newline();
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}
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}
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};
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Printer.prototype._getIndent = function _getIndent() {
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return (0, _repeat2.default)(this.format.indent.style, this._indent);
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};
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Printer.prototype.startTerminatorless = function startTerminatorless() {
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return this._parenPushNewlineState = {
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printed: false
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};
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};
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Printer.prototype.endTerminatorless = function endTerminatorless(state) {
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if (state.printed) {
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this.dedent();
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this.newline();
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this.token(")");
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}
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};
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Printer.prototype.print = function print(node, parent) {
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var _this = this;
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if (!node) return;
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var oldConcise = this.format.concise;
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if (node._compact) {
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this.format.concise = true;
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}
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var printMethod = this[node.type];
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if (!printMethod) {
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throw new ReferenceError("unknown node of type " + (0, _stringify2.default)(node.type) + " with constructor " + (0, _stringify2.default)(node && node.constructor.name));
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}
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this._printStack.push(node);
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var oldInAux = this._insideAux;
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this._insideAux = !node.loc;
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this._maybeAddAuxComment(this._insideAux && !oldInAux);
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var needsParens = n.needsParens(node, parent, this._printStack);
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if (this.format.retainFunctionParens && node.type === "FunctionExpression" && node.extra && node.extra.parenthesized) {
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needsParens = true;
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}
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if (needsParens) this.token("(");
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this._printLeadingComments(node, parent);
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var loc = t.isProgram(node) || t.isFile(node) ? null : node.loc;
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this.withSource("start", loc, function () {
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_this[node.type](node, parent);
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});
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this._printTrailingComments(node, parent);
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if (needsParens) this.token(")");
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this._printStack.pop();
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this.format.concise = oldConcise;
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this._insideAux = oldInAux;
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};
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Printer.prototype._maybeAddAuxComment = function _maybeAddAuxComment(enteredPositionlessNode) {
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if (enteredPositionlessNode) this._printAuxBeforeComment();
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if (!this._insideAux) this._printAuxAfterComment();
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};
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Printer.prototype._printAuxBeforeComment = function _printAuxBeforeComment() {
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if (this._printAuxAfterOnNextUserNode) return;
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this._printAuxAfterOnNextUserNode = true;
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var comment = this.format.auxiliaryCommentBefore;
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if (comment) {
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this._printComment({
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type: "CommentBlock",
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value: comment
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});
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}
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};
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Printer.prototype._printAuxAfterComment = function _printAuxAfterComment() {
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if (!this._printAuxAfterOnNextUserNode) return;
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this._printAuxAfterOnNextUserNode = false;
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var comment = this.format.auxiliaryCommentAfter;
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if (comment) {
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this._printComment({
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type: "CommentBlock",
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value: comment
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});
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}
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};
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Printer.prototype.getPossibleRaw = function getPossibleRaw(node) {
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var extra = node.extra;
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if (extra && extra.raw != null && extra.rawValue != null && node.value === extra.rawValue) {
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return extra.raw;
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}
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};
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Printer.prototype.printJoin = function printJoin(nodes, parent) {
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var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
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if (!nodes || !nodes.length) return;
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if (opts.indent) this.indent();
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var newlineOpts = {
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addNewlines: opts.addNewlines
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};
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for (var i = 0; i < nodes.length; i++) {
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var node = nodes[i];
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if (!node) continue;
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if (opts.statement) this._printNewline(true, node, parent, newlineOpts);
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this.print(node, parent);
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if (opts.iterator) {
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opts.iterator(node, i);
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}
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if (opts.separator && i < nodes.length - 1) {
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opts.separator.call(this);
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}
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if (opts.statement) this._printNewline(false, node, parent, newlineOpts);
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}
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if (opts.indent) this.dedent();
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};
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Printer.prototype.printAndIndentOnComments = function printAndIndentOnComments(node, parent) {
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var indent = !!node.leadingComments;
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if (indent) this.indent();
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this.print(node, parent);
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if (indent) this.dedent();
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};
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Printer.prototype.printBlock = function printBlock(parent) {
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var node = parent.body;
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if (!t.isEmptyStatement(node)) {
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this.space();
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}
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this.print(node, parent);
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};
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Printer.prototype._printTrailingComments = function _printTrailingComments(node, parent) {
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this._printComments(this._getComments(false, node, parent));
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};
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Printer.prototype._printLeadingComments = function _printLeadingComments(node, parent) {
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this._printComments(this._getComments(true, node, parent));
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};
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Printer.prototype.printInnerComments = function printInnerComments(node) {
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var indent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
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if (!node.innerComments) return;
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if (indent) this.indent();
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this._printComments(node.innerComments);
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if (indent) this.dedent();
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};
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Printer.prototype.printSequence = function printSequence(nodes, parent) {
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var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
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opts.statement = true;
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return this.printJoin(nodes, parent, opts);
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};
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Printer.prototype.printList = function printList(items, parent) {
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var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
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if (opts.separator == null) {
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opts.separator = commaSeparator;
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}
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return this.printJoin(items, parent, opts);
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};
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Printer.prototype._printNewline = function _printNewline(leading, node, parent, opts) {
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var _this2 = this;
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if (this.format.retainLines || this.format.compact) return;
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if (this.format.concise) {
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this.space();
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return;
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}
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var lines = 0;
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if (node.start != null && !node._ignoreUserWhitespace && this._whitespace) {
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if (leading) {
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var _comments = node.leadingComments;
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var _comment = _comments && (0, _find2.default)(_comments, function (comment) {
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return !!comment.loc && _this2.format.shouldPrintComment(comment.value);
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});
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lines = this._whitespace.getNewlinesBefore(_comment || node);
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} else {
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var _comments2 = node.trailingComments;
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var _comment2 = _comments2 && (0, _findLast2.default)(_comments2, function (comment) {
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return !!comment.loc && _this2.format.shouldPrintComment(comment.value);
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});
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lines = this._whitespace.getNewlinesAfter(_comment2 || node);
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}
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} else {
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if (!leading) lines++;
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if (opts.addNewlines) lines += opts.addNewlines(leading, node) || 0;
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var needs = n.needsWhitespaceAfter;
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if (leading) needs = n.needsWhitespaceBefore;
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if (needs(node, parent)) lines++;
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if (!this._buf.hasContent()) lines = 0;
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}
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this.newline(lines);
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};
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Printer.prototype._getComments = function _getComments(leading, node) {
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return node && (leading ? node.leadingComments : node.trailingComments) || [];
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};
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Printer.prototype._printComment = function _printComment(comment) {
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var _this3 = this;
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if (!this.format.shouldPrintComment(comment.value)) return;
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if (comment.ignore) return;
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if (this._printedComments.has(comment)) return;
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this._printedComments.add(comment);
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if (comment.start != null) {
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if (this._printedCommentStarts[comment.start]) return;
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this._printedCommentStarts[comment.start] = true;
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}
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this.newline(this._whitespace ? this._whitespace.getNewlinesBefore(comment) : 0);
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if (!this.endsWith("[") && !this.endsWith("{")) this.space();
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var val = comment.type === "CommentLine" ? "//" + comment.value + "\n" : "/*" + comment.value + "*/";
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if (comment.type === "CommentBlock" && this.format.indent.adjustMultilineComment) {
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var offset = comment.loc && comment.loc.start.column;
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if (offset) {
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var newlineRegex = new RegExp("\\n\\s{1," + offset + "}", "g");
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val = val.replace(newlineRegex, "\n");
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}
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var indentSize = Math.max(this._getIndent().length, this._buf.getCurrentColumn());
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val = val.replace(/\n(?!$)/g, "\n" + (0, _repeat2.default)(" ", indentSize));
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}
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this.withSource("start", comment.loc, function () {
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_this3._append(val);
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});
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this.newline((this._whitespace ? this._whitespace.getNewlinesAfter(comment) : 0) + (comment.type === "CommentLine" ? -1 : 0));
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};
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Printer.prototype._printComments = function _printComments(comments) {
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if (!comments || !comments.length) return;
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for (var _iterator = comments, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref = _i.value;
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}
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var _comment3 = _ref;
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this._printComment(_comment3);
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}
|
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};
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|
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return Printer;
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}();
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exports.default = Printer;
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|
|
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function commaSeparator() {
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this.token(",");
|
|
this.space();
|
|
}
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|
|
|
var _arr = [require("./generators/template-literals"), require("./generators/expressions"), require("./generators/statements"), require("./generators/classes"), require("./generators/methods"), require("./generators/modules"), require("./generators/types"), require("./generators/flow"), require("./generators/base"), require("./generators/jsx")];
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for (var _i2 = 0; _i2 < _arr.length; _i2++) {
|
|
var generator = _arr[_i2];
|
|
(0, _assign2.default)(Printer.prototype, generator);
|
|
}
|
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module.exports = exports["default"]; |