10 examples of 'javascript readfile' in JavaScript

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50function readFile(file: File, callback: (contents: string) => void): void {
51 if (!global.FileReader || (file.type && !(file.type in TEXT_TYPES))) {
52 callback('');
53 return;
54 }
55
56 if (file.type === '') {
57 let contents = '';
58 // Special-case text clippings, which have an empty type but include
59 // `.textClipping` in the file name. `readAsText` results in an empty
60 // string for text clippings, so we force the file name to serve
61 // as the text value for the file.
62 if (TEXT_CLIPPING_REGEX.test(file.name)) {
63 contents = file.name.replace(TEXT_CLIPPING_REGEX, '');
64 }
65 callback(contents);
66 return;
67 }
68
69 const reader = new FileReader();
70 reader.onload = function() {
71 const result = reader.result;
72 invariant(
73 typeof result === 'string',
74 'We should be calling "FileReader.readAsText" which returns a string',
75 );
76 callback(result);
77 };
78 reader.onerror = function() {
79 callback('');
80 };
81 reader.readAsText(file);
82}
8function readFile(file) {
9 return ''+new String(org.apache.tools.ant.util.FileUtils.readFully(new java.io.FileReader(file)));
10}
11function readFile(dataFile){
12 return fs.readFileSync(dataFile);
13}
14function readFile(filename) {
15 return fs.readFileSync(filename, { encoding: 'UTF-8' });
16}
2static readFile(filePath, callback) {
3 const file = window.location.origin + window.location.pathname + filePath;
4 const rawFile = new XMLHttpRequest();
5 rawFile.open("GET", file, false);
6 rawFile.onreadystatechange = () => {
7 callback(rawFile.responseText);
8 }
9 rawFile.send(null);
10}
12function readFile(filename, encoding, callback) {
13 if (options.file === '-') {
14 // read from stdin
15 const chunks = [];
16
17 process.stdin.on('data', (chunk) => {
18 chunks.push(chunk);
19 });
20
21 process.stdin.on('end', () => callback(null, Buffer.concat(chunks).toString(encoding)));
22 } else {
23 fs.readFile(filename, encoding, callback);
24 }
25}
102readFile(fileName) {
103 return this._host.readFile(fileName);
104}
157function readFile() {
158 function onFileReadAsDataURL(evt) {
159 var img = document.getElementById('camera_image');
160 img.style.visibility = "visible";
161 img.style.display = "block";
162 img.src = evt.target.result;
163 log("FileReader.readAsDataURL success");
164 };
165
166 function onFileReceived(file) {
167 log('Got file: ' + JSON.stringify(file));
168 fileObj = file;
169
170 var reader = new FileReader();
171 reader.onload = function() {
172 log('FileReader.readAsDataURL() - length = ' + reader.result.length);
173 };
174 reader.onerror = logCallback('FileReader.readAsDataURL', false);
175 reader.readAsDataURL(file);
176 };
177 // Test out onFileReceived when the file object was set via a native elements.
178 if (fileObj) {
179 onFileReceived(fileObj);
180 } else {
181 fileEntry.file(onFileReceived, logCallback('FileEntry.file', false));
182 }
183}
123function readFile() {
124 function onFileReadAsDataURL(evt) {
125 var img = document.getElementById('camera_image');
126 img.style.visibility = "visible";
127 img.style.display = "block";
128 img.src = evt.target.result;
129 log("FileReader.readAsDataURL success");
130 };
131
132 function onFileReceived(file) {
133 log('Got file: ' + JSON.stringify(file));
134 fileObj = file;
135
136 var reader = new FileReader();
137 reader.onload = function() {
138 log('FileReader.readAsDataURL() - length = ' + reader.result.length);
139 };
140 reader.onerror = logCallback('FileReader.readAsDataURL', false);
141 reader.readAsDataURL(file);
142 };
143 // Test out onFileReceived when the file object was set via a native elements.
144 if (fileObj) {
145 onFileReceived(fileObj);
146 } else {
147 fileEntry.file(onFileReceived, logCallback('FileEntry.file', false));
148 }
149}
51export function readFile(filePath: string): string {
52 return fs.readFileSync(filePath, 'utf8');
53}

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