Top 10 Examples of "qrcode in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'qrcode' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
_new_qrCode_imgDataURIString(fn)
{
const self = this
const fundsRequestURI = self._assumingBootedOrEquivalent__Lazy_URI__addressAsFirstPathComponent() // NOTE: creating QR code with URI w/o "//" - wider scanning support in ecosystem
// ^- since we're not booted yet but we're only calling this when we know we have all the info
const options = { errorCorrectionLevel: 'Q' } // Q: quartile: 25%
QRCode.toDataURL(
fundsRequestURI,
options,
function(err, imgDataURIString)
{
if (err) {
console.error("Error generating QR code:", err)
}
fn(err, imgDataURIString)
}
)
}}
DocUtils.loadDoc('qrcode.png',true
)
// rea= new FileReader();
// rea.onload = function(theFile) {
// console.log(5)
// qrcode.callback(function(a){console.log(this);console.log(a)});
// qrcode.decode(e.target.result);
// };
// rea.readAsText(docXData['qrcode.png'])
console.log(docXData['qrcode.png'])
la=b64toBlob(docXData['qrcode.png'],"image/png")var blob = new Blob(byteArrays, {type: contentType});
return blob;
}
DocUtils.loadDoc('qrcode.png',true
)
// rea= new FileReader();
// rea.onload = function(theFile) {
// console.log(5)
// qrcode.callback(function(a){console.log(this);console.log(a)});
// qrcode.decode(e.target.result);
// };
// rea.readAsText(docXData['qrcode.png'])
console.log(docXData['qrcode.png'])
la=b64toBlob(docXData['qrcode.png'],"image/png")drawQRCode() {
const { data, size, errorCorrectionLevel } = this.props
const { current } = this.canvas
if (!current) return
qrcode.toCanvas(
current,
data,
{
width: current.width,
margin: 0,
errorCorrectionLevel,
},
() => {
// fix again the CSS because lib changes it –_–
current.style.width = `${size}px`
current.style.height = `${size}px`
},
)
}exports.run = async (client, message, args) => { // eslint-disable-line no-unused-vars
const qrOutput = tempy.file({ extension: "png" });
message.channel.startTyping();
if (args.length > 0) {
qrcode.toFile(qrOutput, args.join(" "), { margin: 1 }, (error) => {
if (error) throw new Error(error);
message.channel.stopTyping();
message.channel.send({
files: [{
attachment: qrOutput,
name: "qr.png"
}]
});
});
} else {
message.channel.stopTyping();
message.reply("you need to provide some text to generate a QR code!");
}
};new Promise((resolve, reject) => {
QRCode.toCanvas(
// $FlowFixMe
this.uri,
options,
(err, canvas) => (err ? reject(err) : resolve(canvas)),
)
}),
])*
* This file is part of the Moddable SDK.
*
* This work is licensed under the
* Creative Commons Attribution 4.0 International License.
* To view a copy of this license, visit
* .
* or send a letter to Creative Commons, PO Box 1866,
* Mountain View, CA 94042, USA.
*
*/
import qrCode from "qrcode";
import Poco from "commodetto/Poco";
// generate QR code
let qr = qrCode({input: "Welcome to Moddable", maxVersion: 4});
let size = qr.size;
qr = new Uint8Array(qr);
// trace QR code to console
for (let y = 0; y < size; y++) {
for (let x = 0; x < size; x++) {
if (qr[(y * size) + x])
trace("X");
else
trace(".");
}
trace("\n");
}
// render QR code to screen
let render = new Poco(screen);generate() {
const { options, tag } = this;
const value = String(this.value);
if (tag === 'canvas') {
QRCode.toCanvas(this.$el, value, options, (error) => {
/* istanbul ignore if */
if (error) {
throw error;
}
});
} else if (tag === 'img') {
QRCode.toDataURL(value, options, (error, url) => {
/* istanbul ignore if */
if (error) {
throw error;
}
this.$el.src = url;
});
} else {
QRCode.toString(value, options, (error, string) => {generate() {
const { options, tag } = this;
const value = String(this.value);
if (tag === 'canvas') {
QRCode.toCanvas(this.$el, value, options, (error) => {
/* istanbul ignore if */
if (error) {
throw error;
}
});
} else if (tag === 'img') {
QRCode.toDataURL(value, options, (error, url) => {
/* istanbul ignore if */
if (error) {
throw error;
}
this.$el.src = url;
});
} else {
QRCode.toString(value, options, (error, string) => {
/* istanbul ignore if */
if (error) {
throw error;
}
this.$el.innerHTML = string;
});/* istanbul ignore if */
if (error) {
throw error;
}
});
} else if (tag === 'img') {
QRCode.toDataURL(value, options, (error, url) => {
/* istanbul ignore if */
if (error) {
throw error;
}
this.$el.src = url;
});
} else {
QRCode.toString(value, options, (error, string) => {
/* istanbul ignore if */
if (error) {
throw error;
}
this.$el.innerHTML = string;
});
}
},
},