| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.default = void 0; |
| var _buffer = require("./buffer.js"); |
| var n = require("./node/index.js"); |
| var _t = require("@babel/types"); |
| var generatorFunctions = require("./generators/index.js"); |
| 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(node) { |
| if (this.format.minified) { |
| this._buf.removeLastSemicolon(); |
| } |
| this.sourceWithOffset("end", node.loc, -1); |
| this.tokenChar(125); |
| } |
| rightParens(node) { |
| this.sourceWithOffset("end", node.loc, -1); |
| this.tokenChar(41); |
| } |
| 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 === 61) || 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, columnOffset) { |
| if (!loc) return; |
| this._catchUp(prop, loc); |
| this._buf.sourceWithOffset(prop, loc, 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) { |
| var _loc$prop; |
| if (!this.format.retainLines) return; |
| const line = loc == null || (_loc$prop = loc[prop]) == null ? void 0 : _loc$prop.line; |
| if (line != null) { |
| const count = line - this._buf.getCurrentLine(); |
| for (let i = 0; i < count; i++) { |
| this._newline(); |
| } |
| } |
| } |
| _getIndent() { |
| return this._indentRepeat * this._indent; |
| } |
| printTerminatorless(node, parent, isLabel) { |
| if (isLabel) { |
| this._noLineTerminator = true; |
| this.print(node, parent); |
| } else { |
| const terminatorState = { |
| printed: false |
| }; |
| this._parenPushNewlineState = terminatorState; |
| this.print(node, parent); |
| if (terminatorState.printed) { |
| this.dedent(); |
| this.newline(); |
| this.tokenChar(41); |
| } |
| } |
| } |
| print(node, parent, noLineTerminatorAfter, trailingCommentsLineOffset, forceParens) { |
| var _node$extra; |
| 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 ${JSON.stringify(node.constructor.name)}`); |
| } |
| this._printStack.push(node); |
| const oldInAux = this._insideAux; |
| this._insideAux = node.loc == undefined; |
| this._maybeAddAuxComment(this._insideAux && !oldInAux); |
| const shouldPrintParens = forceParens || format.retainFunctionParens && nodeType === "FunctionExpression" && ((_node$extra = node.extra) == null ? void 0 : _node$extra.parenthesized) || 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 == null ? void 0 : extra.raw) != null && extra.rawValue != null && node.value === extra.rawValue) { |
| return extra.raw; |
| } |
| } |
| printJoin(nodes, parent, opts = {}) { |
| if (!(nodes != null && nodes.length)) return; |
| let { |
| indent |
| } = opts; |
| if (indent == null && this.format.retainLines) { |
| var _nodes$0$loc; |
| const startLine = (_nodes$0$loc = nodes[0].loc) == null ? void 0 : _nodes$0$loc.start.line; |
| if (startLine != null && startLine !== this._buf.getCurrentLine()) { |
| indent = true; |
| } |
| } |
| if (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$loc.start.line) || 0; |
| this._printNewline(true, newlineOpts); |
| } |
| } |
| } |
| if (indent) this.dedent(); |
| } |
| printAndIndentOnComments(node, parent) { |
| const indent = node.leadingComments && node.leadingComments.length > 0; |
| if (indent) this.indent(); |
| this.print(node, parent); |
| if (indent) this.dedent(); |
| } |
| printBlock(parent) { |
| const node = parent.body; |
| if (node.type !== "EmptyStatement") { |
| this.space(); |
| } |
| this.print(node, parent); |
| } |
| _printTrailingComments(node, parent, lineOffset) { |
| const { |
| innerComments, |
| trailingComments |
| } = node; |
| if (innerComments != null && innerComments.length) { |
| this._printComments(2, innerComments, node, parent, lineOffset); |
| } |
| if (trailingComments != null && trailingComments.length) { |
| this._printComments(2, trailingComments, node, parent, lineOffset); |
| } |
| } |
| _printLeadingComments(node, parent) { |
| const comments = node.leadingComments; |
| if (!(comments != null && comments.length)) return; |
| this._printComments(0, comments, node, parent); |
| } |
| _maybePrintInnerComments() { |
| if (this._endsWithInnerRaw) this.printInnerComments(); |
| this._endsWithInnerRaw = true; |
| this._indentInnerComments = true; |
| } |
| printInnerComments() { |
| const node = this._printStack[this._printStack.length - 1]; |
| const comments = node.innerComments; |
| if (!(comments != null && comments.length)) return; |
| const hasSpace = this.endsWith(32); |
| const indent = this._indentInnerComments; |
| const printedCommentsCount = this._printedComments.size; |
| if (indent) this.indent(); |
| this._printComments(1, comments, node); |
| if (hasSpace && printedCommentsCount !== this._printedComments.size) { |
| this.space(); |
| } |
| if (indent) this.dedent(); |
| } |
| noIndentInnerCommentsHere() { |
| this._indentInnerComments = false; |
| } |
| printSequence(nodes, parent, opts = {}) { |
| var _opts$indent; |
| opts.statement = true; |
| (_opts$indent = opts.indent) != null ? _opts$indent : opts.indent = false; |
| this.printJoin(nodes, parent, opts); |
| } |
| printList(items, parent, opts = {}) { |
| if (opts.separator == null) { |
| opts.separator = commaSeparator; |
| } |
| this.printJoin(items, parent, opts); |
| } |
| _printNewline(newLine, opts) { |
| const format = this.format; |
| if (format.retainLines || format.compact) return; |
| if (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 |
