@larva.io/webcomponents
Version:
Fentrica SmartUnits WebComponents package
74 lines (72 loc) • 2.1 kB
JavaScript
/*!
* (C) Fentrica http://fentrica.com - Seee LICENSE.md
*/
class Config {
constructor() {
this.m = new Map();
}
reset(configObj) {
this.m = new Map(Object.entries(configObj));
}
get(key, fallback) {
const value = this.m.get(key);
return value !== undefined ? value : fallback;
}
getBoolean(key, fallback = false) {
const val = this.m.get(key);
if (val === undefined) {
return fallback;
}
if (typeof val === 'string') {
return val === 'true';
}
return !!val;
}
getNumber(key, fallback) {
const val = parseFloat(this.m.get(key));
return isNaN(val) ? (fallback !== undefined ? fallback : NaN) : val;
}
set(key, value) {
this.m.set(key, value);
}
}
const config = /*@__PURE__*/ new Config();
const configFromSession = (win) => {
try {
const configStr = win.sessionStorage.getItem(LARVA_SESSION_KEY);
return configStr !== null ? JSON.parse(configStr) : {};
}
catch (e) {
return {};
}
};
const saveConfig = (win, c) => {
try {
win.sessionStorage.setItem(LARVA_SESSION_KEY, JSON.stringify(c));
}
catch (e) {
return;
}
};
const configFromURL = (win) => {
const configObj = {};
win.location.search
.slice(1)
.split('&')
.map(entry => entry.split('='))
.map(([key, value]) => [decodeURIComponent(key), decodeURIComponent(value)])
.filter(([key]) => startsWith(key, LARVA_PREFIX))
.map(([key, value]) => [key.slice(LARVA_PREFIX.length), value])
.forEach(([key, value]) => {
configObj[key] = value;
});
return configObj;
};
const startsWith = (input, search) => {
return input.substr(0, search.length) === search;
};
const LARVA_PREFIX = 'larva:';
const LARVA_SESSION_KEY = 'larva-persist-config';
export { configFromURL as a, config as b, configFromSession as c, saveConfig as s };
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