react-torch
Version:
A lib to server-side render with react.
103 lines (102 loc) • 4.84 kB
JavaScript
;
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var chalk_1 = __importDefault(require("chalk"));
var friendlySyntaxErrorLabel = 'Syntax error:';
function isLikelyASyntaxError(message) {
return message.indexOf(friendlySyntaxErrorLabel) !== -1;
}
// Cleans up webpack error messages.
function formatMessage(message) {
var lines = message.split('\n');
// Strip webpack-added headers off errors/warnings
// https://github.com/webpack/webpack/blob/master/lib/ModuleError.js
lines = lines.filter(function (line) { return !/Module [A-Za-z ]+\(from/.test(line); });
// Transform parsing error into syntax error
lines = lines.map(function (line) {
var parsingError = /Line (\d+):(?:(\d+):)?\s*Parsing error: (.+)$/.exec(line);
if (!parsingError) {
return line;
}
var _a = __read(parsingError, 4), errorLine = _a[1], errorColumn = _a[2], errorMessage = _a[3];
return friendlySyntaxErrorLabel + " " + errorMessage + " (" + errorLine + ":" + errorColumn + ")";
});
message = lines.join('\n');
// Smoosh syntax errors (commonly found in CSS)
message = message.replace(/SyntaxError\s+\((\d+):(\d+)\)\s*(.+?)\n/g, friendlySyntaxErrorLabel + " $3 ($1:$2)\n");
// Clean up export errors
message = message.replace(/^.*export '(.+?)' was not found in '(.+?)'.*$/gm, "Attempted import error: '$1' is not exported from '$2'.");
message = message.replace(/^.*export 'default' \(imported as '(.+?)'\) was not found in '(.+?)'.*$/gm, "Attempted import error: '$2' does not contain a default export (imported as '$1').");
message = message.replace(/^.*export '(.+?)' \(imported as '(.+?)'\) was not found in '(.+?)'.*$/gm, "Attempted import error: '$1' is not exported from '$3' (imported as '$2').");
lines = message.split('\n');
// Remove leading newline
if (lines.length > 2 && lines[1].trim() === '') {
lines.splice(1, 1);
}
// Clean up file name
lines[0] = lines[0].replace(/^(.*) \d+:\d+-\d+$/, '$1');
// Cleans up verbose "module not found" messages for files and packages.
if (lines[1] && lines[1].indexOf('Module not found: ') === 0) {
lines = [
lines[0],
lines[1]
.replace('Error: ', '')
.replace('Module not found: Cannot find file:', 'Cannot find file:'),
];
}
// Add helpful message for users trying to use Sass for the first time
if (lines[1] && lines[1].match(/Cannot find module.+node-sass/)) {
lines[1] = 'To import Sass files, you first need to install node-sass.\n';
lines[1] +=
'Run `npm install node-sass` or `yarn add node-sass` inside your workspace.';
}
lines[0] = chalk_1.default.inverse(lines[0]);
message = lines.join('\n');
// Internal stacks are generally useless so we strip them... with the
// exception of stacks containing `webpack:` because they're normally
// from user code generated by webpack. For more information see
// https://github.com/facebook/create-react-app/pull/1050
message = message.replace(/^\s*at\s((?!webpack:).)*:\d+:\d+[\s)]*(\n|$)/gm, ''); // at ... ...:x:y
message = message.replace(/^\s*at\s<anonymous>(\n|$)/gm, ''); // at <anonymous>
lines = message.split('\n');
// Remove duplicated newlines
lines = lines.filter(function (line, index, arr) {
return index === 0 || line.trim() !== '' || line.trim() !== arr[index - 1].trim();
});
// Reassemble the message
message = lines.join('\n');
return message.trim();
}
function formatWebpackMessages(json) {
var formattedErrors = json.errors.map(function (message) {
return formatMessage(message.message);
});
var formattedWarnings = json.warnings.map(function (message) {
return formatMessage(message.message);
});
var result = { errors: formattedErrors, warnings: formattedWarnings };
if (result.errors.some(isLikelyASyntaxError)) {
// If there are any syntax errors, show just them.
result.errors = result.errors.filter(isLikelyASyntaxError);
}
return result;
}
exports.default = formatWebpackMessages;