wishthis/node_modules/vinyl-sourcemap/index.js
2022-01-21 09:28:41 +01:00

66 lines
1.7 KiB
JavaScript

'use strict';
var File = require('vinyl');
var helpers = require('./lib/helpers');
var PLUGIN_NAME = 'vinyl-sourcemap';
function add(file, callback) {
// Bail early an error if the file argument is not a Vinyl file
if (!File.isVinyl(file)) {
return callback(new Error(PLUGIN_NAME + '-add: Not a vinyl file'));
}
// Bail early with an error if file has streaming contents
if (file.isStream()) {
return callback(new Error(PLUGIN_NAME + '-add: Streaming not supported'));
}
// Bail early successfully if file is null or already has a sourcemap
if (file.isNull() || file.sourceMap) {
return callback(null, file);
}
var state = {
path: '', // Root path for the sources in the map
map: null,
content: file.contents.toString(),
// TODO: handle this?
preExistingComment: null,
};
helpers.addSourceMaps(file, state, callback);
}
function write(file, destPath, callback) {
// Check if options or a callback are passed as second argument
if (typeof destPath === 'function') {
callback = destPath;
destPath = undefined;
}
// Bail early with an error if the file argument is not a Vinyl file
if (!File.isVinyl(file)) {
return callback(new Error(PLUGIN_NAME + '-write: Not a vinyl file'));
}
// Bail early with an error if file has streaming contents
if (file.isStream()) {
return callback(new Error(PLUGIN_NAME + '-write: Streaming not supported'));
}
// Bail early successfully if file is null or doesn't have sourcemap
if (file.isNull() || !file.sourceMap) {
return callback(null, file);
}
helpers.writeSourceMaps(file, destPath, callback);
}
module.exports = {
add: add,
write: write,
};