89 lines
3.1 KiB
JavaScript
89 lines
3.1 KiB
JavaScript
module.exports = transform;
|
|
|
|
var sourceMap = require("source-map");
|
|
var recast = require("recast");
|
|
var File = require("./file");
|
|
var util = require("./util");
|
|
var _ = require("lodash");
|
|
|
|
function transform(code, opts) {
|
|
opts = opts || {};
|
|
code = (code || "") + "";
|
|
|
|
var file = new File(opts);
|
|
return file.parse(code);
|
|
}
|
|
|
|
transform.test = function (task, assert) {
|
|
var actual = task.actual;
|
|
var expect = task.expect;
|
|
var opts = task.options;
|
|
|
|
opts.filename = actual.filename;
|
|
|
|
var actualCode = actual.code.trim();
|
|
|
|
var actualResult = transform(actualCode, opts);
|
|
var actualAst = actualResult.ast;
|
|
actualCode = recast.prettyPrint(actualAst).code;
|
|
|
|
if (task.options.exec) {
|
|
var fn = new Function("assert", actualCode);
|
|
fn(assert);
|
|
}
|
|
|
|
var expectCode = expect.code.trim();
|
|
|
|
if (!task.options.exec || (task.options.exec && expectCode)) {
|
|
var expectAst = util.parse(expect, expectCode);
|
|
var expectResult = recast.prettyPrint(expectAst);
|
|
expectCode = expectResult.code;
|
|
|
|
assert.equal(actualCode, expectCode);
|
|
}
|
|
|
|
if (task.sourceMap) {
|
|
assert.deepEqual(task.sourceMap, actualResult.map);
|
|
}
|
|
|
|
if (task.sourceMappings) {
|
|
var consumer = new sourceMap.SourceMapConsumer(actualResult.map);
|
|
|
|
_.each(task.sourceMappings, function (mapping, i) {
|
|
var pos = consumer.originalPositionFor(mapping.generated);
|
|
var msg = "source mapping " + i + " - generated: " + mapping.generated.line + ":" + mapping.generated.column;
|
|
assert.equal(pos.line + ":" + pos.column, mapping.original.line + ":" + mapping.original.column, msg);
|
|
});
|
|
}
|
|
};
|
|
|
|
transform._ensureTransformerNames = function (type, keys) {
|
|
_.each(keys, function (key) {
|
|
if (key[0] === "_" || !transform.transformers[key]) {
|
|
throw new ReferenceError("unknown transformer " + key + " specified in " + type);
|
|
}
|
|
});
|
|
};
|
|
|
|
transform.transformers = {
|
|
modules: require("./transformers/modules"),
|
|
computedPropertyNames: require("./transformers/computed-property-names"),
|
|
propertyNameShorthand: require("./transformers/property-name-shorthand"),
|
|
constants: require("./transformers/constants"),
|
|
arrayComprehension: require("./transformers/array-comprehension"),
|
|
arrowFunctions: require("./transformers/arrow-functions"),
|
|
classes: require("./transformers/classes"),
|
|
spread: require("./transformers/spread"),
|
|
templateLiterals: require("./transformers/template-literals"),
|
|
propertyMethodAssignment: require("./transformers/property-method-assignment"),
|
|
defaultParameters: require("./transformers/default-parameters"),
|
|
generators: require("./transformers/generators"),
|
|
letScoping: require("./transformers/let-scoping"),
|
|
restParameters: require("./transformers/rest-parameters"),
|
|
destructuring: require("./transformers/destructuring"),
|
|
forOf: require("./transformers/for-of"),
|
|
unicodeRegex: require("./transformers/unicode-regex"),
|
|
|
|
_aliasFunctions: require("./transformers/_alias-functions")
|
|
};
|