flipr
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Feature flipping and configuration using yaml files, etcd, or other flipr sources
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<h1><a href="../index.html">All files</a> / <a href="index.html">lib</a> flipr.js</h1>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const validateRule = require('./rules/validate-rule');
const getValueByRules = require('./rules/get-value-by-rules');
const idToPercent = require('./id-to-percent');
const defaultOptions = { rules: [] };
class Flipr {
constructor(options) {
this.options = {
...defaultOptions,
...options,
};
if (!this.options.source) {
throw new Error('options.source is required');
}
this.source = this.options.source;
this.options.rules.map(validateRule);
}
_getValue(config, key, input) {
// value (static) always overrides values (dynamic) on config item
if (Object.prototype.hasOwnProperty.call(config[key], 'value')) {
return config[key].value;
}
return getValueByRules(input, this.options.rules, config[key].values);
}
static idToPercent(id) {
return idToPercent(id);
}
static validateRules(rules) {
rules.map(validateRule);
}
async preload() {
await this.source.preload();
}
async flush() {
await this.source.flush();
}
async getValue(key, input) {
const config = await this.source.getConfig();
return this._getValue(config, key, input);
}
async getConfig(input) {
const config = await this.source.getConfig();
const keys = Object.keys(config);
return keys.reduce((memo, key) => ({
...memo,
[key]: this._getValue(config, key, input),
}), {});
}
async validateConfig() {
return this.source.validateConfig(this.options.rules);
}
}
module.exports = Flipr;
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Code coverage generated by
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at Tue Nov 03 2020 15:54:34 GMT-0700 (Mountain Standard Time)
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