shift73k/assets_old/node_modules/@babel/template/lib/formatters.js

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No EOL
2.4 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.program = exports.expression = exports.statement = exports.statements = exports.smart = void 0;
var t = _interopRequireWildcard(require("@babel/types"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function makeStatementFormatter(fn) {
return {
code: str => `/* @babel/template */;\n${str}`,
validate: () => {},
unwrap: ast => {
return fn(ast.program.body.slice(1));
}
};
}
const smart = makeStatementFormatter(body => {
if (body.length > 1) {
return body;
} else {
return body[0];
}
});
exports.smart = smart;
const statements = makeStatementFormatter(body => body);
exports.statements = statements;
const statement = makeStatementFormatter(body => {
if (body.length === 0) {
throw new Error("Found nothing to return.");
}
if (body.length > 1) {
throw new Error("Found multiple statements but wanted one");
}
return body[0];
});
exports.statement = statement;
const expression = {
code: str => `(\n${str}\n)`,
validate: ast => {
if (ast.program.body.length > 1) {
throw new Error("Found multiple statements but wanted one");
}
if (expression.unwrap(ast).start === 0) {
throw new Error("Parse result included parens.");
}
},
unwrap: ({
program
}) => {
const [stmt] = program.body;
t.assertExpressionStatement(stmt);
return stmt.expression;
}
};
exports.expression = expression;
const program = {
code: str => str,
validate: () => {},
unwrap: ast => ast.program
};
exports.program = program;