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 王天杨
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
exports.generate = generate;
var _sourceMap = require("./source-map.js");
var _printer = require("./printer.js");
function normalizeOptions(code, opts, ast) {
var _opts$recordAndTupleS;
if (opts.experimental_preserveFormat) {
if (typeof code !== "string") {
throw new Error("`experimental_preserveFormat` requires the original `code` to be passed to @babel/generator as a string");
}
if (!opts.retainLines) {
throw new Error("`experimental_preserveFormat` requires `retainLines` to be set to `true`");
}
if (opts.compact && opts.compact !== "auto") {
throw new Error("`experimental_preserveFormat` is not compatible with the `compact` option");
}
if (opts.minified) {
throw new Error("`experimental_preserveFormat` is not compatible with the `minified` option");
}
if (opts.jsescOption) {
throw new Error("`experimental_preserveFormat` is not compatible with the `jsescOption` option");
}
if (!Array.isArray(ast.tokens)) {
throw new Error("`experimental_preserveFormat` requires the AST to have attached the token of the input code. Make sure to enable the `tokens: true` parser option.");
}
}
const format = {
auxiliaryCommentBefore: opts.auxiliaryCommentBefore,
auxiliaryCommentAfter: opts.auxiliaryCommentAfter,
shouldPrintComment: opts.shouldPrintComment,
preserveFormat: opts.experimental_preserveFormat,
retainLines: opts.retainLines,
retainFunctionParens: opts.retainFunctionParens,
comments: opts.comments == null || opts.comments,
compact: opts.compact,
minified: opts.minified,
concise: opts.concise,
indent: {
adjustMultilineComment: true,
style: " "
},
jsescOption: Object.assign({
quotes: "double",
wrap: true,
minimal: false
}, opts.jsescOption),
topicToken: opts.topicToken
};
format.decoratorsBeforeExport = opts.decoratorsBeforeExport;
format.jsescOption.json = opts.jsonCompatibleStrings;
format.recordAndTupleSyntaxType = (_opts$recordAndTupleS = opts.recordAndTupleSyntaxType) != null ? _opts$recordAndTupleS : "hash";
format.importAttributesKeyword = opts.importAttributesKeyword;
if (format.minified) {
format.compact = true;
format.shouldPrintComment = format.shouldPrintComment || (() => format.comments);
} else {
format.shouldPrintComment = format.shouldPrintComment || (value => format.comments || value.includes("@license") || value.includes("@preserve"));
}
if (format.compact === "auto") {
format.compact = typeof code === "string" && code.length > 500000;
if (format.compact) {
console.error("[BABEL] Note: The code generator has deoptimised the styling of " + `${opts.filename} as it exceeds the max of ${"500KB"}.`);
}
}
if (format.compact || format.preserveFormat) {
format.indent.adjustMultilineComment = false;
}
const {
auxiliaryCommentBefore,
auxiliaryCommentAfter,
shouldPrintComment
} = format;
if (auxiliaryCommentBefore && !shouldPrintComment(auxiliaryCommentBefore)) {
format.auxiliaryCommentBefore = undefined;
}
if (auxiliaryCommentAfter && !shouldPrintComment(auxiliaryCommentAfter)) {
format.auxiliaryCommentAfter = undefined;
}
return format;
}
exports.CodeGenerator = class CodeGenerator {
constructor(ast, opts = {}, code) {
this._ast = void 0;
this._format = void 0;
this._map = void 0;
this._ast = ast;
this._format = normalizeOptions(code, opts, ast);
this._map = opts.sourceMaps ? new _sourceMap.default(opts, code) : null;
}
generate() {
const printer = new _printer.default(this._format, this._map);
return printer.generate(this._ast);
}
};
function generate(ast, opts = {}, code) {
const format = normalizeOptions(code, opts, ast);
const map = opts.sourceMaps ? new _sourceMap.default(opts, code) : null;
const printer = new _printer.default(format, map, ast.tokens, typeof code === "string" ? code : null);
return printer.generate(ast);
}
var _default = exports.default = generate;
//# sourceMappingURL=index.js.map
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