karma-typescript
Version:
Simplifying running unit tests with coverage for Typescript projects.
69 lines • 2.69 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SourceReader = void 0;
var acorn = require("acorn");
var fs = require("fs");
var os = require("os");
var SourceReader = /** @class */ (function () {
function SourceReader(config, log, transformer) {
this.config = config;
this.log = log;
this.transformer = transformer;
}
SourceReader.prototype.read = function (bundleItem, onSourceRead) {
var _this = this;
this.readFile(bundleItem, function (source) {
bundleItem.source = source;
bundleItem.ast = _this.createAbstractSyntaxTree(bundleItem);
_this.transformer.applyTransforms(bundleItem, function () {
_this.assertValidNonScriptSource(bundleItem);
onSourceRead();
});
});
};
SourceReader.prototype.readFile = function (bundleItem, onSourceRead) {
if (this.config.bundlerOptions.ignore.indexOf(bundleItem.moduleName) !== -1) {
onSourceRead("module.exports={};");
}
else {
fs.readFile(bundleItem.filename, function (error, data) {
if (error) {
throw error;
}
onSourceRead(data.toString());
});
}
};
SourceReader.prototype.assertValidNonScriptSource = function (bundleItem) {
if (!bundleItem.isScript() &&
!bundleItem.source.match(/^\s*module\.exports\s*=/)) {
var source = bundleItem.source;
try {
JSON.parse(bundleItem.source);
}
catch (jsonError) {
source = JSON.stringify(bundleItem.source);
}
bundleItem.source = os.EOL + "module.exports = " + source + ";";
}
};
SourceReader.prototype.createAbstractSyntaxTree = function (bundleItem) {
if (!bundleItem.isScript() ||
this.config.bundlerOptions.noParse.indexOf(bundleItem.moduleName) !== -1) {
return undefined;
}
try {
return acorn.parse(bundleItem.source, this.config.bundlerOptions.acornOptions);
}
catch (error) {
this.log.error("Error parsing code: " + error.message + os.EOL +
"in " + bundleItem.filename + os.EOL +
"at line " + error.loc.line + ", column " + error.loc.column + ":" + os.EOL + os.EOL +
"... " + bundleItem.source.slice(error.pos, error.pos + 50) + " ...");
process.exit(1);
}
};
return SourceReader;
}());
exports.SourceReader = SourceReader;
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