load-source
Version:
A simple function for load js/image/css/style
354 lines (345 loc) • 10.6 kB
JavaScript
/*!
* load-source v1.2.0
* A simple function for load js/image/css/style
* (c) 2021-2023 saqqdy<https://github.com/saqqdy>
* Released under the MIT License.
*/
this.loadSource = (function () {
'use strict';
function __awaiter(thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
}
function __generator(thisArg, body) {
var _ = {
label: 0,
sent: function sent() {
if (t[0] & 1) throw t[1];
return t[1];
},
trys: [],
ops: []
},
f,
y,
t,
g;
return g = {
next: verb(0),
"throw": verb(1),
"return": verb(2)
}, typeof Symbol === "function" && (g[Symbol.iterator] = function () {
return this;
}), g;
function verb(n) {
return function (v) {
return step([n, v]);
};
}
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0:
case 1:
t = op;
break;
case 4:
_.label++;
return {
value: op[1],
done: false
};
case 5:
_.label++;
y = op[1];
op = [0];
continue;
case 7:
op = _.ops.pop();
_.trys.pop();
continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
_ = 0;
continue;
}
if (op[0] === 3 && (!t || op[1] > t[0] && op[1] < t[3])) {
_.label = op[1];
break;
}
if (op[0] === 6 && _.label < t[1]) {
_.label = t[1];
t = op;
break;
}
if (t && _.label < t[2]) {
_.label = t[2];
_.ops.push(op);
break;
}
if (t[2]) _.ops.pop();
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
} catch (e) {
op = [6, e];
y = 0;
} finally {
f = t = 0;
}
if (op[0] & 5) throw op[1];
return {
value: op[0] ? op[1] : void 0,
done: true
};
}
}
/**
* Dynamic loading of css link resources
*
* @param src - resource address
* @param option - parameters: attrs, props, force
* @returns - result
*/
function mountCss(src, option) {
if (option === void 0) {
option = {};
}
if (!src) throw new Error('[mountCss]: url is required');
var attrs = option.attrs,
props = option.props,
_a = option.force,
force = _a === void 0 ? false : _a;
return new Promise(function (resolve, reject) {
if (!force && document.querySelector("link[href=\"".concat(src, "\"]"))) {
resolve(true);
return;
}
var dom = document.createElement('link');
var attr, prop;
if (attrs) {
for (attr in attrs) {
dom[attr] = attrs[attr];
}
}
if (props) {
for (prop in props) {
dom[prop] = props[prop];
}
}
dom.rel = 'stylesheet';
dom.type = 'text/css';
dom.href = src;
document.getElementsByTagName('head')[0].appendChild(dom);
dom.onload = dom.onreadystatechange = function () {
if (!dom.readyState || ['loaded', 'complete'].includes(dom.readyState)) {
dom.onload = dom.onreadystatechange = null;
resolve(true);
}
};
dom.onerror = reject;
});
}
/**
* Dynamic loading of image resources
*
* @param src - resource address
* @param option - parameters: attrs, props, force
* @returns - result
*/
function mountImage(src, option) {
if (option === void 0) {
option = {};
}
if (!src) throw new Error('[mountImage]: url is required');
var attrs = option.attrs,
props = option.props,
_a = option.force,
force = _a === void 0 ? false : _a;
return new Promise(function (resolve, reject) {
if (!force && document.querySelector("img[src=\"".concat(src, "\"]"))) {
resolve(true);
return;
}
var dom = document.createElement('img');
var attr, prop;
if (attrs) {
for (attr in attrs) {
dom[attr] = attrs[attr];
}
}
if (props) {
for (prop in props) {
dom[prop] = props[prop];
}
}
dom.src = src;
document.body.appendChild(dom);
dom.onload = dom.onreadystatechange = function () {
if (!dom.readyState || ['loaded', 'complete'].includes(dom.readyState)) {
dom.onload = dom.onreadystatechange = null;
resolve(true);
}
};
dom.onerror = reject;
});
}
/**
* Dynamic loading of js linked resources
*
* @param src - resource address
* @param option - parameters: attrs, props, force
* @returns - result
*/
function mountScript(src, option) {
if (option === void 0) {
option = {};
}
if (!src) throw new Error('[mountScript]: url is required');
var attrs = option.attrs,
props = option.props,
_a = option.force,
force = _a === void 0 ? false : _a;
return new Promise(function (resolve, reject) {
if (!force && document.querySelector("script[src=\"".concat(src, "\"]"))) {
resolve(true);
return;
}
var dom = document.createElement('script');
var attr, prop;
if (attrs) {
for (attr in attrs) {
dom[attr] = attrs[attr];
}
}
if (props) {
for (prop in props) {
dom[prop] = props[prop];
}
}
dom.src = src;
document.body.appendChild(dom);
dom.onload = dom.onreadystatechange = function () {
if (!dom.readyState || ['loaded', 'complete'].includes(dom.readyState)) {
dom.onload = dom.onreadystatechange = null;
resolve(true);
}
};
dom.onerror = reject;
});
}
/**
* Dynamic loading of css styles
*
* @param src - css string
* @param option - parameters: attrs, props
* @returns - results
*/
function mountStyle(css, option) {
if (option === void 0) {
option = {};
}
if (!css) throw new Error('[mountStyle]: css string is required');
var attrs = option.attrs,
props = option.props;
return new Promise(function (resolve) {
var dom = document.createElement('style');
var attr, prop;
if (attrs) {
for (attr in attrs) {
dom[attr] = attrs[attr];
}
}
if (props) {
for (prop in props) {
dom[prop] = props[prop];
}
}
dom.type = 'text/css';
try {
dom.appendChild(document.createTextNode(css));
} catch (ex) {
dom.textContent = css;
}
document.getElementsByTagName('head')[0].appendChild(dom);
resolve(true);
});
}
/**
* Dynamic loading of resources, support js, images, css links, css style strings
*
* @param url - link to the resource, type must be passed when passing in styleString
* @param option - parameters: attrs, props, force
* @returns - true|false|imgUrl
*/
function loadSource(url, option) {
var _a, _b;
return __awaiter(this, void 0, void 0, function () {
var match, func;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
if (!url) throw new Error('url is required');
if (!option) option = {};
if (typeof option === 'string') {
option = {
type: option
};
} else if (!option.type) {
match = /\.(\w+)$/.exec(url);
if (!match || !match[1]) throw new Error('The url is not support');
option.type = match[1];
}
(_a = option.force) !== null && _a !== void 0 ? _a : option.force = false;
option.type && (option.type = option.type.toLowerCase());
if (!['js', 'img', 'css', 'style'].includes(option.type)) throw new Error("Not support type: ".concat(option.type));
func = {
js: function js(src) {
return mountScript(src, option);
},
img: function img(src) {
return mountImage(src, option);
},
css: function css(src) {
return mountCss(src, option);
},
style: function style(css) {
return mountStyle(css, option);
}
};
return [4 /*yield*/, (_b = func[option.type]) === null || _b === void 0 ? void 0 : _b.call(func, url)];
case 1:
return [2 /*return*/, _c.sent()];
}
});
});
}
return loadSource;
})();