f2108fa51dBackport-PR-URL: https://github.com/nodejs/node/pull/17068 PR-URL: https://github.com/nodejs/node/pull/16938 Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
37 lines
820 B
JavaScript
37 lines
820 B
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const stream = require('stream');
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class MyWritable extends stream.Writable {
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constructor(fn, options) {
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super(options);
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this.fn = fn;
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}
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_write(chunk, encoding, callback) {
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this.fn(Buffer.isBuffer(chunk), typeof chunk, encoding);
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callback();
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}
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}
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{
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const m = new MyWritable(function(isBuffer, type, enc) {
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assert(isBuffer);
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assert.strictEqual(type, 'object');
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assert.strictEqual(enc, 'buffer');
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}, { decodeStrings: true });
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m.write('some-text', 'utf8');
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m.end();
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}
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{
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const m = new MyWritable(function(isBuffer, type, enc) {
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assert(!isBuffer);
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assert.strictEqual(type, 'string');
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assert.strictEqual(enc, 'utf8');
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}, { decodeStrings: false });
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m.write('some-text', 'utf8');
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m.end();
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}
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