You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.5 KiB
62 lines
1.5 KiB
1 month ago
|
"use strict";
|
||
|
|
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.statements = exports.statement = exports.smart = exports.program = exports.expression = void 0;
|
||
|
|
var _t = require("@babel/types");
|
||
|
|
const {
|
||
|
|
assertExpressionStatement
|
||
|
|
} = _t;
|
||
|
|
function makeStatementFormatter(fn) {
|
||
|
|
return {
|
||
|
|
code: str => `/* @babel/template */;\n${str}`,
|
||
|
|
validate: () => {},
|
||
|
|
unwrap: ast => {
|
||
|
|
return fn(ast.program.body.slice(1));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
const smart = exports.smart = makeStatementFormatter(body => {
|
||
|
|
if (body.length > 1) {
|
||
|
|
return body;
|
||
|
|
} else {
|
||
|
|
return body[0];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
const statements = exports.statements = makeStatementFormatter(body => body);
|
||
|
|
const statement = exports.statement = makeStatementFormatter(body => {
|
||
|
|
if (body.length === 0) {
|
||
|
|
throw new Error("Found nothing to return.");
|
||
|
|
}
|
||
|
|
if (body.length > 1) {
|
||
|
|
throw new Error("Found multiple statements but wanted one");
|
||
|
|
}
|
||
|
|
return body[0];
|
||
|
|
});
|
||
|
|
const expression = exports.expression = {
|
||
|
|
code: str => `(\n${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;
|
||
|
|
assertExpressionStatement(stmt);
|
||
|
|
return stmt.expression;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
const program = exports.program = {
|
||
|
|
code: str => str,
|
||
|
|
validate: () => {},
|
||
|
|
unwrap: ast => ast.program
|
||
|
|
};
|
||
|
|
|
||
|
|
//# sourceMappingURL=formatters.js.map
|