///
///
namespace ts {
describe('parseConfigFileTextToJson', () => {
function assertParseResult(jsonText: string, expectedConfigObject: { config?: any; error?: Diagnostic }) {
let parsed = ts.parseConfigFileTextToJson("/apath/tsconfig.json", jsonText);
assert.equal(JSON.stringify(parsed), JSON.stringify(expectedConfigObject));
}
function assertParseError(jsonText: string) {
let parsed = ts.parseConfigFileTextToJson("/apath/tsconfig.json", jsonText);
assert.isTrue(undefined === parsed.config);
assert.isTrue(undefined !== parsed.error);
}
it("returns empty config for file with only whitespaces", () => {
assertParseResult("", { config : {} });
assertParseResult(" ", { config : {} });
});
it("returns empty config for file with comments only", () => {
assertParseResult("// Comment", { config: {} });
assertParseResult("/* Comment*/", { config: {} });
});
it("returns empty config when config is empty object", () => {
assertParseResult("{}", { config: {} });
});
it("returns config object without comments", () => {
assertParseResult(
`{ // Excluded files
"exclude": [
// Exclude d.ts
"file.d.ts"
]
}`, { config: { exclude: ["file.d.ts"] } });
assertParseResult(
`{
/* Excluded
Files
*/
"exclude": [
/* multiline comments can be in the middle of a line */"file.d.ts"
]
}`, { config: { exclude: ["file.d.ts"] } });
});
it("keeps string content untouched", () => {
assertParseResult(
`{
"exclude": [
"xx//file.d.ts"
]
}`, { config: { exclude: ["xx//file.d.ts"] } });
assertParseResult(
`{
"exclude": [
"xx/*file.d.ts*/"
]
}`, { config: { exclude: ["xx/*file.d.ts*/"] } });
});
it("handles escaped characters in strings correctly", () => {
assertParseResult(
`{
"exclude": [
"xx\\"//files"
]
}`, { config: { exclude: ["xx\"//files"] } });
assertParseResult(
`{
"exclude": [
"xx\\\\" // end of line comment
]
}`, { config: { exclude: ["xx\\"] } });
});
it("returns object with error when json is invalid", () => {
assertParseError("invalid");
});
});
}