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