63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.program = exports.expression = exports.statement = exports.statements = exports.smart = void 0;
|
|
|
|
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: ({
|
|
program
|
|
}) => {
|
|
if (program.body.length > 1) {
|
|
throw new Error("Found multiple statements but wanted one");
|
|
}
|
|
|
|
const expression = program.body[0].expression;
|
|
|
|
if (expression.start === 0) {
|
|
throw new Error("Parse result included parens.");
|
|
}
|
|
},
|
|
unwrap: ast => ast.program.body[0].expression
|
|
};
|
|
exports.expression = expression;
|
|
const program = {
|
|
code: str => str,
|
|
validate: () => {},
|
|
unwrap: ast => ast.program
|
|
};
|
|
exports.program = program; |