10 examples of 'javascript read local json file' in JavaScript

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629function read_json_file(fname) {
630 try {
631 var txt = fs.readFileSync(fname, 'utf8');
632 return JSON.parse(txt);
633 } catch (err) {
634 return null;
635 }
636}
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27function readJsons() {
28 function jsonIfExists(file) {
29 if (!utl.existsSync(file)) return null;
30
31 var json = fs.readFileSync(file, 'utf8')
32 , metadata = JSON.parse(json)
33 ;
34
35 metadata.created = utl.stringToDate(metadata.created);
36 metadata.updated = utl.stringToDate(metadata.updated);
37
38 return metadata;
39 }
40
41 blogjson = jsonIfExists(blogjsonFile);
42 postunojson = jsonIfExists(postunojsonFile);
43 postdosjson = jsonIfExists(postdosjsonFile);
44
45}
37function loadJson(filename) {
38 return JSON.parse(fs.readFileSync(filename).toString());
39}
4function loadJSON(filePath) {
5 // Load json file;
6 var json = loadTextFileAjaxSync(filePath, "application/json");
7 // Parse json
8 return JSON.parse(json);
9}
31function readFile(filename, json) {
32 const file = fs.readFileSync(filename, 'utf8');
33 return json ? JSON.parse(file) : file;
34}
48function JSON (file, callback) {
49 fileUtils.read(file, function (contents) {
50 if (!JSHINT(contents)) {
51 var out = JSHINT.data(),
52 errors = out.errors;
53 callback(errors);
54
55 } else {
56 callback(null);
57 }
58 });
59}
9function loadJSON(callback) {
10
11 var xobj = new XMLHttpRequest();
12 xobj.overrideMimeType("application/json");
13 xobj.open('GET', 'sample_data_lwm_3d.json', true);
14 xobj.onreadystatechange = function () {
15 // When response is ready
16 if (xobj.readyState == 4 && xobj.status == 200) {
17
18 // .open will NOT return a value but simply returns undefined in async mode so use a callback
19 callback(xobj.responseText);
20
21 }
22 }
23 xobj.send(null);
24}
41function loadJson(file, jsonId)
42{
43 if ( ! file ) return;
44 $('#jsonFile').val('');
45 var reader = new FileReader();
46 reader.onload = function(e) {
47 doLoadJson(e.target.result, jsonId);
48 };
49 reader.readAsText(file);
50}
12function loadJSON(path, callback) {
13 var request = new XMLHttpRequest();
14 request.overrideMimeType("application/json");
15 request.open('GET', '' + path, true);
16 request.onreadystatechange = function () {
17 if (request.readyState == 4 && (request.status == "200" || request.status == 0)) {
18 callback(JSON.parse(request.responseText));
19 }
20 };
21 request.send(null);
22}
81readFromLocalJson(localUrl){
82 return this.http.get(localUrl, this.requestOpts)
83 .toPromise()
84 .then(res => res.json())
85 .catch(this.handleError);
86}

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