52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
'use strict';
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var Transform = require('streamx').Transform;
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var readDir = require('./read-dir');
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var readStream = require('./read-stream');
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var readBuffer = require('./read-buffer');
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var readSymbolicLink = require('./read-symbolic-link');
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function readContents(optResolver) {
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function readFile(file, callback) {
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// Skip reading contents if read option says so
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var read = optResolver.resolve('read', file);
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if (!read) {
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return callback(null, file);
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}
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// Don't fail to read a directory
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if (file.isDirectory()) {
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return readDir(file, optResolver, onRead);
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}
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// Process symbolic links included with `resolveSymlinks` option
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if (file.stat && file.stat.isSymbolicLink()) {
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return readSymbolicLink(file, optResolver, onRead);
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}
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// Read and pass full contents
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var buffer = optResolver.resolve('buffer', file);
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if (buffer) {
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return readBuffer(file, optResolver, onRead);
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}
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// Don't buffer anything - just pass streams
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return readStream(file, optResolver, onRead);
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// This is invoked by the various readXxx modules when they've finished
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// reading the contents.
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function onRead(readErr) {
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if (readErr) {
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return callback(readErr);
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}
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callback(null, file);
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}
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}
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return new Transform({
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transform: readFile,
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});
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}
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module.exports = readContents;
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