Skip to content

[bin] wrap + unwrap cli support non-TTY (stdin) #15

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
evisong wants to merge 2 commits into
base: master
Choose a base branch
from
Open

[bin] wrap + unwrap cli support non-TTY (stdin) #15

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
51e3ff9
[bin] wrap + unwrap cli support non-TTY (stdin)
evisong Jun 6, 2021
db9efb4
Updated `Use in cli` section
evisong Jun 6, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,10 @@ Use with the cli for quick utility
dynamo-dt-attr-wrap '{"hello":"world"}'
dynamo-dt-attr-unwrap '{"hello": {"S": "world"}}'

Pipe is also supported

echo '{"hello":"world"}' | dynamo-dt-attr-wrap
echo '{"hello": {"S": "world"}}' | dynamo-dt-attr-unwrap

### Use in the browser

Expand Down
45 changes: 29 additions & 16 deletions bin/unwrap.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,24 +3,37 @@
'use strict';

const attr = require('../lib/dynamodb-data-types').AttributeValue;
const content = process.argv[2];

if (!content) {
throw new Error('Input data required.')
if (process.stdin.isTTY) {
unwrap(process.argv[2]);
} else {
let data = "";
process.stdin.on('data', function(chunk) {
data += chunk;
});
process.stdin.on('end', function() {
unwrap(data);
});
}

let payload = '';
try {
payload = JSON.parse(content);
}
catch (err) {
payload = content
}
const output = attr.unwrap(payload);
function unwrap(content) {
if (!content) {
throw new Error('Input data required.')
}

if (typeof output === 'object') {
process.stdout.write(JSON.stringify(output) + '\n');
}
else {
process.stdout.write(output + '\n');
let payload = '';
try {
payload = JSON.parse(content);
}
catch (err) {
payload = content
}
const output = attr.unwrap(payload);

if (typeof output === 'object') {
process.stdout.write(JSON.stringify(output) + '\n');
}
else {
process.stdout.write(output + '\n');
}
}
45 changes: 29 additions & 16 deletions bin/wrap.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,24 +3,37 @@
'use strict';

const attr = require('../lib/dynamodb-data-types').AttributeValue;
const content = process.argv[2];

if (!content) {
throw new Error('Input data required.')
if (process.stdin.isTTY) {
wrap(process.argv[2]);
} else {
let data = "";
process.stdin.on('data', function(chunk) {
data += chunk;
});
process.stdin.on('end', function() {
wrap(data);
});
}

let payload = '';
try {
payload = JSON.parse(content);
}
catch (err) {
payload = content
}
const output = attr.wrap(payload);
function wrap(content) {
if (!content) {
throw new Error('Input data required.')
}

if (typeof output === 'object') {
process.stdout.write(JSON.stringify(output) + '\n');
}
else {
process.stdout.write(output + '\n');
let payload = '';
try {
payload = JSON.parse(content);
}
catch (err) {
payload = content
}
const output = attr.wrap(payload);

if (typeof output === 'object') {
process.stdout.write(JSON.stringify(output) + '\n');
}
else {
process.stdout.write(output + '\n');
}
}