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Add getTextFromFileAsync function

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This commit is contained in:
Mickaël Véril 2019-09-09 15:15:39 +02:00
parent bf8449e050
commit 6a4de3f44e
2 changed files with 21 additions and 18 deletions
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19
content/scripts/data.js
View File

@ -71,24 +71,7 @@ class data {
this.excitations=[]; this.excitations=[];
} }
static async loadAsync(file) { static async loadAsync(file) {
return new Promise(function (resolve, reject) { return data.loadString(await getTextFromFileAsync(getFullDataPath(file)));
var req = new XMLHttpRequest();
req.open("GET",getFullDataPath(file), true);
req.onreadystatechange = function() {
if (req.readyState == 4) {
if (req.status == 200) {//when a good response is given do this
var text = req.responseText;
resolve(data.loadString(text));
} else {
reject({
status: req.status,
statusText: req.statusText
});
}
}
}
req.send();
});
} }
static loadString(text) { static loadString(text) {
// for each line with metadata // for each line with metadata

20
content/scripts/getTextFromFile.js Normal file
View File

@ -0,0 +1,20 @@
async function getTextFromFileAsync(file) {
return new Promise(function (resolve, reject) {
var req = new XMLHttpRequest();
req.open("GET",file, true);
req.onreadystatechange = function() {
if (req.readyState == 4) {
if (req.status == 200) {//when a good response is given do this
var text = req.responseText;
resolve(text);
} else {
reject({
status: req.status,
statusText: req.statusText
});
}
}
}
req.send();
});
}