feat: initial commit
This commit is contained in:
Carlos
286
node_modules/acorn-import-attributes/lib/index.js
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vendored
Normal file
286
node_modules/acorn-import-attributes/lib/index.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.importAttributesOrAssertions = exports.importAttributes = exports.importAssertions = void 0;
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var _acorn = _interopRequireWildcard(require("acorn"));
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function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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const leftCurlyBrace = "{".charCodeAt(0);
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const space = " ".charCodeAt(0);
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const withKeyword = "with";
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const assertKeyword = "assert";
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const FUNC_STATEMENT = 1,
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FUNC_HANGING_STATEMENT = 2,
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FUNC_NULLABLE_ID = 4;
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const importAttributes = exports.importAttributes = plugin({
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keyword: "with"
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});
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const importAssertions = exports.importAssertions = plugin({
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keyword: "assert"
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});
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const importAttributesOrAssertions = exports.importAttributesOrAssertions = plugin({
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keyword: "with-assert"
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});
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function plugin(options) {
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return function (Parser) {
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return pluginImpl(options, Parser);
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};
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}
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function pluginImpl(options, Parser) {
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// Use supplied version acorn version if present, to avoid
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// reference mismatches due to different acorn versions. This
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// allows this plugin to be used with Rollup which supplies
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// its own internal version of acorn and thereby sidesteps
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// the package manager.
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const acorn = Parser.acorn || _acorn;
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const {
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tokTypes: tt,
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TokenType
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} = acorn;
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const {
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keyword
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} = options;
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const isWithKeyword = keyword.includes(withKeyword);
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const isAssertKeyword = keyword.includes(assertKeyword);
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const isWithOrAssertKeyword = isWithKeyword && isAssertKeyword;
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return class extends Parser {
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constructor(...args) {
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super(...args);
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this.withToken = isWithKeyword && new TokenType(withKeyword);
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this.assertToken = isAssertKeyword && new TokenType(assertKeyword);
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}
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_codeAt(i) {
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return this.input.charCodeAt(i);
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}
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_eat(t) {
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if (this.type !== t) {
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this.unexpected();
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}
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this.next();
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}
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_matchKeywordToken() {
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return isWithOrAssertKeyword && (this.type === this.withToken || this.type === this.assertToken) || isWithKeyword && this.type === this.withToken || isAssertKeyword && this.type === this.assertToken;
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}
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_getProperty() {
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if (isWithOrAssertKeyword) {
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return this.type === this.withToken ? "attributes" : "assertions";
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}
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return isWithKeyword ? "attributes" : "assertions";
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}
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readToken(code) {
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let i = 0;
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let keyword;
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let token;
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if (isWithOrAssertKeyword) {
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if (this.input.slice(this.pos, this.pos + withKeyword.length) === withKeyword) {
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keyword = withKeyword;
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token = this.withToken;
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} else if (this.input.slice(this.pos, this.pos + assertKeyword.length) === assertKeyword) {
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keyword = assertKeyword;
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token = this.assertToken;
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} else {
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return super.readToken(code);
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}
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i += keyword.length;
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} else {
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keyword = isWithKeyword ? withKeyword : assertKeyword;
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token = isWithKeyword ? this.withToken : this.assertToken;
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for (; i < keyword.length; i++) {
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if (this._codeAt(this.pos + i) !== keyword.charCodeAt(i)) {
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return super.readToken(code);
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}
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}
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}
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// ensure that the keyword is at the correct location
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// ie `with{...` or `with {...`
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for (;; i++) {
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if (this._codeAt(this.pos + i) === leftCurlyBrace) {
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// Found '{'
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break;
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} else if (this._codeAt(this.pos + i) === space) {
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// white space is allowed between `with` and `{`, so continue.
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continue;
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} else {
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return super.readToken(code);
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}
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}
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// If we're inside a dynamic import expression we'll parse
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// the `with` keyword as a standard object property name
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// ie `import(""./foo.json", { with: { type: "json" } })`
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if (this.type.label === "{") {
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return super.readToken(code);
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}
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this.pos += keyword.length;
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return this.finishToken(token);
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}
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parseDynamicImport(node) {
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this.next(); // skip `(`
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// Parse node.source.
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node.source = this.parseMaybeAssign();
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if (this.eat(tt.comma)) {
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const expr = this.parseExpression();
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node.arguments = [expr];
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}
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this._eat(tt.parenR);
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return this.finishNode(node, "ImportExpression");
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}
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// ported from acorn/src/statement.js pp.parseExport
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parseExport(node, exports) {
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this.next();
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// export * from '...'
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if (this.eat(tt.star)) {
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if (this.options.ecmaVersion >= 11) {
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if (this.eatContextual("as")) {
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node.exported = this.parseIdent(true);
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this.checkExport(exports, node.exported.name, this.lastTokStart);
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} else {
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node.exported = null;
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}
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}
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this.expectContextual("from");
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if (this.type !== tt.string) {
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this.unexpected();
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}
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node.source = this.parseExprAtom();
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if (this._matchKeywordToken()) {
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const property = this._getProperty();
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this.next();
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const attributes = this.parseImportAttributes();
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if (attributes) {
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node[property] = attributes;
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}
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}
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this.semicolon();
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return this.finishNode(node, "ExportAllDeclaration");
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}
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if (this.eat(tt._default)) {
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// export default ...
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this.checkExport(exports, "default", this.lastTokStart);
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var isAsync;
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if (this.type === tt._function || (isAsync = this.isAsyncFunction())) {
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var fNode = this.startNode();
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this.next();
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if (isAsync) {
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this.next();
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}
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node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync);
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} else if (this.type === tt._class) {
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var cNode = this.startNode();
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node.declaration = this.parseClass(cNode, "nullableID");
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} else {
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node.declaration = this.parseMaybeAssign();
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this.semicolon();
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}
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return this.finishNode(node, "ExportDefaultDeclaration");
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}
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// export var|const|let|function|class ...
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if (this.shouldParseExportStatement()) {
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node.declaration = this.parseStatement(null);
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if (node.declaration.type === "VariableDeclaration") {
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this.checkVariableExport(exports, node.declaration.declarations);
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} else {
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this.checkExport(exports, node.declaration.id.name, node.declaration.id.start);
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}
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node.specifiers = [];
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node.source = null;
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} else {
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// export { x, y as z } [from '...']
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node.declaration = null;
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node.specifiers = this.parseExportSpecifiers(exports);
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if (this.eatContextual("from")) {
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if (this.type !== tt.string) {
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this.unexpected();
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}
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node.source = this.parseExprAtom();
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if (this._matchKeywordToken()) {
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const property = this._getProperty();
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this.next();
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const attributes = this.parseImportAttributes();
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if (attributes) {
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node[property] = attributes;
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}
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}
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} else {
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for (var i = 0, list = node.specifiers; i < list.length; i += 1) {
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// check for keywords used as local names
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var spec = list[i];
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this.checkUnreserved(spec.local);
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// check if export is defined
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this.checkLocalExport(spec.local);
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}
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node.source = null;
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}
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this.semicolon();
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}
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return this.finishNode(node, "ExportNamedDeclaration");
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}
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parseImport(node) {
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this.next();
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// import '...'
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if (this.type === tt.string) {
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node.specifiers = [];
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node.source = this.parseExprAtom();
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} else {
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node.specifiers = this.parseImportSpecifiers();
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this.expectContextual("from");
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node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected();
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}
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if (this._matchKeywordToken()) {
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const property = this._getProperty();
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this.next();
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const attributes = this.parseImportAttributes();
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if (attributes) {
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node[property] = attributes;
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}
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}
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this.semicolon();
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return this.finishNode(node, "ImportDeclaration");
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}
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parseImportAttributes() {
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this._eat(tt.braceL);
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const attrs = this.parsewithEntries();
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this._eat(tt.braceR);
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return attrs;
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}
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parsewithEntries() {
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const attrs = [];
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const attrNames = new Set();
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do {
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if (this.type === tt.braceR) {
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break;
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}
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const node = this.startNode();
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// parse withionKey : IdentifierName, StringLiteral
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let withionKeyNode;
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if (this.type === tt.string) {
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withionKeyNode = this.parseLiteral(this.value);
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} else {
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withionKeyNode = this.parseIdent(true);
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}
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this.next();
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node.key = withionKeyNode;
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// check if we already have an entry for an attribute
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// if a duplicate entry is found, throw an error
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// for now this logic will come into play only when someone declares `type` twice
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if (attrNames.has(node.key.name)) {
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this.raise(this.pos, "Duplicated key in attributes");
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}
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attrNames.add(node.key.name);
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if (this.type !== tt.string) {
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this.raise(this.pos, "Only string is supported as an attribute value");
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}
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node.value = this.parseLiteral(this.value);
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attrs.push(this.finishNode(node, "ImportAttribute"));
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} while (this.eat(tt.comma));
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return attrs;
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}
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};
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}
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