hexo/node_modules/@babel/generator/lib/index.js

93 lines
2.9 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.CodeGenerator = void 0;
exports.default = generate;
var _sourceMap = require("./source-map");
var _printer = require("./printer");
class Generator extends _printer.default {
constructor(ast, opts = {}, code) {
const format = normalizeOptions(code, opts);
const map = opts.sourceMaps ? new _sourceMap.default(opts, code) : null;
super(format, map);
this.ast = void 0;
this.ast = ast;
}
generate() {
return super.generate(this.ast);
}
}
function normalizeOptions(code, opts) {
const format = {
auxiliaryCommentBefore: opts.auxiliaryCommentBefore,
auxiliaryCommentAfter: opts.auxiliaryCommentAfter,
shouldPrintComment: opts.shouldPrintComment,
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),
recordAndTupleSyntaxType: opts.recordAndTupleSyntaxType,
topicToken: opts.topicToken
};
{
format.decoratorsBeforeExport = opts.decoratorsBeforeExport;
format.jsescOption.json = opts.jsonCompatibleStrings;
}
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.indent.adjustMultilineComment = false;
}
const {
auxiliaryCommentBefore,
auxiliaryCommentAfter,
shouldPrintComment
} = format;
if (auxiliaryCommentBefore && !shouldPrintComment(auxiliaryCommentBefore)) {
format.auxiliaryCommentBefore = undefined;
}
if (auxiliaryCommentAfter && !shouldPrintComment(auxiliaryCommentAfter)) {
format.auxiliaryCommentAfter = undefined;
}
return format;
}
class CodeGenerator {
constructor(ast, opts, code) {
this._generator = void 0;
this._generator = new Generator(ast, opts, code);
}
generate() {
return this._generator.generate();
}
}
exports.CodeGenerator = CodeGenerator;
function generate(ast, opts, code) {
const gen = new Generator(ast, opts, code);
return gen.generate();
}
//# sourceMappingURL=index.js.map