"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var _buffer = require("./buffer"); var n = require("./node"); var _t = require("@babel/types"); var generatorFunctions = require("./generators"); require("@jridgewell/trace-mapping"); const { isFunction, isStatement, isClassBody, isTSInterfaceBody, isTSEnumDeclaration } = _t; const SCIENTIFIC_NOTATION = /e/i; const ZERO_DECIMAL_INTEGER = /\.0+$/; const NON_DECIMAL_LITERAL = /^0[box]/; const PURE_ANNOTATION_RE = /^\s*[@#]__PURE__\s*$/; const HAS_NEWLINE = /[\n\r\u2028\u2029]/; const HAS_BlOCK_COMMENT_END = /\*\//; const { needsParens } = n; class Printer { constructor(format, map) { this.inForStatementInitCounter = 0; this._printStack = []; this._indent = 0; this._indentChar = 0; this._indentRepeat = 0; this._insideAux = false; this._parenPushNewlineState = null; this._noLineTerminator = false; this._printAuxAfterOnNextUserNode = false; this._printedComments = new Set(); this._endsWithInteger = false; this._endsWithWord = false; this._lastCommentLine = 0; this._endsWithInnerRaw = false; this._indentInnerComments = true; this.format = format; this._buf = new _buffer.default(map); this._indentChar = format.indent.style.charCodeAt(0); this._indentRepeat = format.indent.style.length; this._inputMap = map == null ? void 0 : map._inputMap; } generate(ast) { this.print(ast); this._maybeAddAuxComment(); return this._buf.get(); } indent() { if (this.format.compact || this.format.concise) return; this._indent++; } dedent() { if (this.format.compact || this.format.concise) return; this._indent--; } semicolon(force = false) { this._maybeAddAuxComment(); if (force) { this._appendChar(59); } else { this._queue(59); } this._noLineTerminator = false; } rightBrace() { if (this.format.minified) { this._buf.removeLastSemicolon(); } this.tokenChar(125); } space(force = false) { if (this.format.compact) return; if (force) { this._space(); } else if (this._buf.hasContent()) { const lastCp = this.getLastChar(); if (lastCp !== 32 && lastCp !== 10) { this._space(); } } } word(str, noLineTerminatorAfter = false) { this._maybePrintInnerComments(); if (this._endsWithWord || str.charCodeAt(0) === 47 && this.endsWith(47)) { this._space(); } this._maybeAddAuxComment(); this._append(str, false); this._endsWithWord = true; this._noLineTerminator = noLineTerminatorAfter; } number(str) { this.word(str); this._endsWithInteger = Number.isInteger(+str) && !NON_DECIMAL_LITERAL.test(str) && !SCIENTIFIC_NOTATION.test(str) && !ZERO_DECIMAL_INTEGER.test(str) && str.charCodeAt(str.length - 1) !== 46; } token(str, maybeNewline = false) { this._maybePrintInnerComments(); const lastChar = this.getLastChar(); const strFirst = str.charCodeAt(0); if (lastChar === 33 && str === "--" || strFirst === 43 && lastChar === 43 || strFirst === 45 && lastChar === 45 || strFirst === 46 && this._endsWithInteger) { this._space(); } this._maybeAddAuxComment(); this._append(str, maybeNewline); this._noLineTerminator = false; } tokenChar(char) { this._maybePrintInnerComments(); const lastChar = this.getLastChar(); if (char === 43 && lastChar === 43 || char === 45 && lastChar === 45 || char === 46 && this._endsWithInteger) { this._space(); } this._maybeAddAuxComment(); this._appendChar(char); this._noLineTerminator = false; } newline(i = 1, force) { if (i <= 0) return; if (!force) { if (this.format.retainLines || this.format.compact) return; if (this.format.concise) { this.space(); return; } } if (i > 2) i = 2; i -= this._buf.getNewlineCount(); for (let j = 0; j < i; j++) { this._newline(); } return; } endsWith(char) { return this.getLastChar() === char; } getLastChar() { return this._buf.getLastChar(); } endsWithCharAndNewline() { return this._buf.endsWithCharAndNewline(); } removeTrailingNewline() { this._buf.removeTrailingNewline(); } exactSource(loc, cb) { if (!loc) { cb(); return; } this._catchUp("start", loc); this._buf.exactSource(loc, cb); } source(prop, loc) { if (!loc) return; this._catchUp(prop, loc); this._buf.source(prop, loc); } sourceWithOffset(prop, loc, lineOffset, columnOffset) { if (!loc) return; this._catchUp(prop, loc); this._buf.sourceWithOffset(prop, loc, lineOffset, columnOffset); } withSource(prop, loc, cb) { if (!loc) { cb(); return; } this._catchUp(prop, loc); this._buf.withSource(prop, loc, cb); } sourceIdentifierName(identifierName, pos) { if (!this._buf._canMarkIdName) return; const sourcePosition = this._buf._sourcePosition; sourcePosition.identifierNamePos = pos; sourcePosition.identifierName = identifierName; } _space() { this._queue(32); } _newline() { this._queue(10); } _append(str, maybeNewline) { this._maybeAddParen(str); this._maybeIndent(str.charCodeAt(0)); this._buf.append(str, maybeNewline); this._endsWithWord = false; this._endsWithInteger = false; } _appendChar(char) { this._maybeAddParenChar(char); this._maybeIndent(char); this._buf.appendChar(char); this._endsWithWord = false; this._endsWithInteger = false; } _queue(char) { this._maybeAddParenChar(char); this._maybeIndent(char); this._buf.queue(char); this._endsWithWord = false; this._endsWithInteger = false; } _maybeIndent(firstChar) { if (this._indent && firstChar !== 10 && this.endsWith(10)) { this._buf.queueIndentation(this._indentChar, this._getIndent()); } } _shouldIndent(firstChar) { if (this._indent && firstChar !== 10 && this.endsWith(10)) { return true; } } _maybeAddParenChar(char) { const parenPushNewlineState = this._parenPushNewlineState; if (!parenPushNewlineState) return; if (char === 32) { return; } if (char !== 10) { this._parenPushNewlineState = null; return; } this.tokenChar(40); this.indent(); parenPushNewlineState.printed = true; } _maybeAddParen(str) { const parenPushNewlineState = this._parenPushNewlineState; if (!parenPushNewlineState) return; const len = str.length; let i; for (i = 0; i < len && str.charCodeAt(i) === 32; i++) continue; if (i === len) { return; } const cha = str.charCodeAt(i); if (cha !== 10) { if (cha !== 47 || i + 1 === len) { this._parenPushNewlineState = null; return; } const chaPost = str.charCodeAt(i + 1); if (chaPost === 42) { if (PURE_ANNOTATION_RE.test(str.slice(i + 2, len - 2))) { return; } } else if (chaPost !== 47) { this._parenPushNewlineState = null; return; } } this.tokenChar(40); this.indent(); parenPushNewlineState.printed = true; } catchUp(line) { if (!this.format.retainLines) return; const count = line - this._buf.getCurrentLine(); for (let i = 0; i < count; i++) { this._newline(); } } _catchUp(prop, loc) { if (!this.format.retainLines) return; const pos = loc ? loc[prop] : null; if ((pos == null ? void 0 : pos.line) != null) { const count = pos.line - this._buf.getCurrentLine(); for (let i = 0; i < count; i++) { this._newline(); } } } _getIndent() { return this._indentRepeat * this._indent; } printTerminatorless(node, parent, isLabel) { if (isLabel) { this._noLineTerminator = true; this.print(node, parent); } else { const terminatorState = { printed: false }; this._parenPushNewlineState = terminatorState; this.print(node, parent); if (terminatorState.printed) { this.dedent(); this.newline(); this.tokenChar(41); } } } print(node, parent, noLineTerminatorAfter, trailingCommentsLineOffset, forceParens) { if (!node) return; this._endsWithInnerRaw = false; const nodeType = node.type; const format = this.format; const oldConcise = format.concise; if (node._compact) { format.concise = true; } const printMethod = this[nodeType]; if (printMethod === undefined) { throw new ReferenceError(`unknown node of type ${JSON.stringify(nodeType)} with constructor ${JSON.stringify(node.constructor.name)}`); } this._printStack.push(node); const oldInAux = this._insideAux; this._insideAux = node.loc == undefined; this._maybeAddAuxComment(this._insideAux && !oldInAux); let shouldPrintParens = false; if (forceParens) { shouldPrintParens = true; } else if (format.retainFunctionParens && nodeType === "FunctionExpression" && node.extra && node.extra.parenthesized) { shouldPrintParens = true; } else { shouldPrintParens = needsParens(node, parent, this._printStack); } if (shouldPrintParens) { this.tokenChar(40); this._endsWithInnerRaw = false; } this._lastCommentLine = 0; this._printLeadingComments(node, parent); const loc = nodeType === "Program" || nodeType === "File" ? null : node.loc; this.exactSource(loc, printMethod.bind(this, node, parent)); if (shouldPrintParens) { this._printTrailingComments(node, parent); this.tokenChar(41); this._noLineTerminator = noLineTerminatorAfter; } else if (noLineTerminatorAfter && !this._noLineTerminator) { this._noLineTerminator = true; this._printTrailingComments(node, parent); } else { this._printTrailingComments(node, parent, trailingCommentsLineOffset); } this._printStack.pop(); format.concise = oldConcise; this._insideAux = oldInAux; this._endsWithInnerRaw = false; } _maybeAddAuxComment(enteredPositionlessNode) { if (enteredPositionlessNode) this._printAuxBeforeComment(); if (!this._insideAux) this._printAuxAfterComment(); } _printAuxBeforeComment() { if (this._printAuxAfterOnNextUserNode) return; this._printAuxAfterOnNextUserNode = true; const comment = this.format.auxiliaryCommentBefore; if (comment) { this._printComment({ type: "CommentBlock", value: comment }, 0); } } _printAuxAfterComment() { if (!this._printAuxAfterOnNextUserNode) return; this._printAuxAfterOnNextUserNode = false; const comment = this.format.auxiliaryCommentAfter; if (comment) { this._printComment({ type: "CommentBlock", value: comment }, 0); } } getPossibleRaw(node) { const extra = node.extra; if (extra && extra.raw != null && extra.rawValue != null && node.value === extra.rawValue) { return extra.raw; } } printJoin(nodes, parent, opts = {}) { if (!(nodes != null && nodes.length)) return; if (opts.indent) this.indent(); const newlineOpts = { addNewlines: opts.addNewlines, nextNodeStartLine: 0 }; const separator = opts.separator ? opts.separator.bind(this) : null; const len = nodes.length; for (let i = 0; i < len; i++) { const node = nodes[i]; if (!node) continue; if (opts.statement) this._printNewline(i === 0, newlineOpts); this.print(node, parent, undefined, opts.trailingCommentsLineOffset || 0); opts.iterator == null ? void 0 : opts.iterator(node, i); if (i < len - 1) separator == null ? void 0 : separator(); if (opts.statement) { if (i + 1 === len) { this.newline(1); } else { var _nextNode$loc; const nextNode = nodes[i + 1]; newlineOpts.nextNodeStartLine = ((_nextNode$loc = nextNode.loc) == null ? void 0 : _nextNode$loc.start.line) || 0; this._printNewline(true, newlineOpts); } } } if (opts.indent) this.dedent(); } printAndIndentOnComments(node, parent) { const indent = node.leadingComments && node.leadingComments.length > 0; if (indent) this.indent(); this.print(node, parent); if (indent) this.dedent(); } printBlock(parent) { const node = parent.body; if (node.type !== "EmptyStatement") { this.space(); } this.print(node, parent); } _printTrailingComments(node, parent, lineOffset) { const { innerComments, trailingComments } = node; if (innerComments != null && innerComments.length) { this._printComments(2, innerComments, node, parent, lineOffset); } if (trailingComments != null && trailingComments.length) { this._printComments(2, trailingComments, node, parent, lineOffset); } } _printLeadingComments(node, parent) { const comments = node.leadingComments; if (!(comments != null && comments.length)) return; this._printComments(0, comments, node, parent); } _maybePrintInnerComments() { if (this._endsWithInnerRaw) this.printInnerComments(); this._endsWithInnerRaw = true; this._indentInnerComments = true; } printInnerComments() { const node = this._printStack[this._printStack.length - 1]; const comments = node.innerComments; if (!(comments != null && comments.length)) return; const hasSpace = this.endsWith(32); const indent = this._indentInnerComments; const printedCommentsCount = this._printedComments.size; if (indent) this.indent(); this._printComments(1, comments, node); if (hasSpace && printedCommentsCount !== this._printedComments.size) { this.space(); } if (indent) this.dedent(); } noIndentInnerCommentsHere() { this._indentInnerComments = false; } printSequence(nodes, parent, opts = {}) { opts.statement = true; this.printJoin(nodes, parent, opts); } printList(items, parent, opts = {}) { if (opts.separator == null) { opts.separator = commaSeparator; } this.printJoin(items, parent, opts); } _printNewline(newLine, opts) { if (this.format.retainLines || this.format.compact) return; if (this.format.concise) { this.space(); return; } if (!newLine) { return; } const startLine = opts.nextNodeStartLine; const lastCommentLine = this._lastCommentLine; if (startLine > 0 && lastCommentLine > 0) { const offset = startLine - lastCommentLine; if (offset >= 0) { this.newline(offset || 1); return; } } if (this._buf.hasContent()) { this.newline(1); } } _shouldPrintComment(comment) { if (comment.ignore) return 0; if (this._printedComments.has(comment)) return 0; if (this._noLineTerminator && (HAS_NEWLINE.test(comment.value) || HAS_BlOCK_COMMENT_END.test(comment.value))) { return 2; } this._printedComments.add(comment); if (!this.format.shouldPrintComment(comment.value)) { return 0; } return 1; } _printComment(comment, skipNewLines) { const noLineTerminator = this._noLineTerminator; const isBlockComment = comment.type === "CommentBlock"; const printNewLines = isBlockComment && skipNewLines !== 1 && !this._noLineTerminator; if (printNewLines && this._buf.hasContent() && skipNewLines !== 2) { this.newline(1); } const lastCharCode = this.getLastChar(); if (lastCharCode !== 91 && lastCharCode !== 123) { this.space(); } let val; if (isBlockComment) { val = `/*${comment.value}*/`; if (this.format.indent.adjustMultilineComment) { var _comment$loc; const offset = (_comment$loc = comment.loc) == null ? void 0 : _comment$loc.start.column; if (offset) { const newlineRegex = new RegExp("\\n\\s{1," + offset + "}", "g"); val = val.replace(newlineRegex, "\n"); } let indentSize = this.format.retainLines ? 0 : this._buf.getCurrentColumn(); if (this._shouldIndent(47) || this.format.retainLines) { indentSize += this._getIndent(); } val = val.replace(/\n(?!$)/g, `\n${" ".repeat(indentSize)}`); } } else if (!noLineTerminator) { val = `//${comment.value}`; } else { val = `/*${comment.value}*/`; } if (this.endsWith(47)) this._space(); this.source("start", comment.loc); this._append(val, isBlockComment); if (!isBlockComment && !noLineTerminator) { this.newline(1, true); } if (printNewLines && skipNewLines !== 3) { this.newline(1); } } _printComments(type, comments, node, parent, lineOffset = 0) { const nodeLoc = node.loc; const len = comments.length; let hasLoc = !!nodeLoc; const nodeStartLine = hasLoc ? nodeLoc.start.line : 0; const nodeEndLine = hasLoc ? nodeLoc.end.line : 0; let lastLine = 0; let leadingCommentNewline = 0; const maybeNewline = this._noLineTerminator ? function () {} : this.newline.bind(this); for (let i = 0; i < len; i++) { const comment = comments[i]; const shouldPrint = this._shouldPrintComment(comment); if (shouldPrint === 2) { hasLoc = false; break; } if (hasLoc && comment.loc && shouldPrint === 1) { const commentStartLine = comment.loc.start.line; const commentEndLine = comment.loc.end.line; if (type === 0) { let offset = 0; if (i === 0) { if (this._buf.hasContent() && (comment.type === "CommentLine" || commentStartLine != commentEndLine)) { offset = leadingCommentNewline = 1; } } else { offset = commentStartLine - lastLine; } lastLine = commentEndLine; maybeNewline(offset); this._printComment(comment, 1); if (i + 1 === len) { maybeNewline(Math.max(nodeStartLine - lastLine, leadingCommentNewline)); lastLine = nodeStartLine; } } else if (type === 1) { const offset = commentStartLine - (i === 0 ? nodeStartLine : lastLine); lastLine = commentEndLine; maybeNewline(offset); this._printComment(comment, 1); if (i + 1 === len) { maybeNewline(Math.min(1, nodeEndLine - lastLine)); lastLine = nodeEndLine; } } else { const offset = commentStartLine - (i === 0 ? nodeEndLine - lineOffset : lastLine); lastLine = commentEndLine; maybeNewline(offset); this._printComment(comment, 1); } } else { hasLoc = false; if (shouldPrint !== 1) { continue; } if (len === 1) { const singleLine = comment.loc ? comment.loc.start.line === comment.loc.end.line : !HAS_NEWLINE.test(comment.value); const shouldSkipNewline = singleLine && !isStatement(node) && !isClassBody(parent) && !isTSInterfaceBody(parent) && !isTSEnumDeclaration(parent); if (type === 0) { this._printComment(comment, shouldSkipNewline && node.type !== "ObjectExpression" || singleLine && isFunction(parent, { body: node }) ? 1 : 0); } else if (shouldSkipNewline && type === 2) { this._printComment(comment, 1); } else { this._printComment(comment, 0); } } else if (type === 1 && !(node.type === "ObjectExpression" && node.properties.length > 1) && node.type !== "ClassBody" && node.type !== "TSInterfaceBody") { this._printComment(comment, i === 0 ? 2 : i === len - 1 ? 3 : 0); } else { this._printComment(comment, 0); } } } if (type === 2 && hasLoc && lastLine) { this._lastCommentLine = lastLine; } } } Object.assign(Printer.prototype, generatorFunctions); { Printer.prototype.Noop = function Noop() {}; } var _default = Printer; exports.default = _default; function commaSeparator() { this.tokenChar(44); this.space(); } //# sourceMappingURL=printer.js.map