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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/figgy-pudding/index.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/figgy-pudding/index.js')
-rw-r--r-- | node_modules/figgy-pudding/index.js | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/node_modules/figgy-pudding/index.js b/node_modules/figgy-pudding/index.js new file mode 100644 index 0000000..bb7d571 --- /dev/null +++ b/node_modules/figgy-pudding/index.js @@ -0,0 +1,197 @@ +'use strict' + +class FiggyPudding { + constructor (specs, opts, providers) { + this.__specs = specs || {} + Object.keys(this.__specs).forEach(alias => { + if (typeof this.__specs[alias] === 'string') { + const key = this.__specs[alias] + const realSpec = this.__specs[key] + if (realSpec) { + const aliasArr = realSpec.aliases || [] + aliasArr.push(alias, key) + realSpec.aliases = [...(new Set(aliasArr))] + this.__specs[alias] = realSpec + } else { + throw new Error(`Alias refers to invalid key: ${key} -> ${alias}`) + } + } + }) + this.__opts = opts || {} + this.__providers = reverse((providers).filter( + x => x != null && typeof x === 'object' + )) + this.__isFiggyPudding = true + } + get (key) { + return pudGet(this, key, true) + } + get [Symbol.toStringTag] () { return 'FiggyPudding' } + forEach (fn, thisArg = this) { + for (let [key, value] of this.entries()) { + fn.call(thisArg, value, key, this) + } + } + toJSON () { + const obj = {} + this.forEach((val, key) => { + obj[key] = val + }) + return obj + } + * entries (_matcher) { + for (let key of Object.keys(this.__specs)) { + yield [key, this.get(key)] + } + const matcher = _matcher || this.__opts.other + if (matcher) { + const seen = new Set() + for (let p of this.__providers) { + const iter = p.entries ? p.entries(matcher) : entries(p) + for (let [key, val] of iter) { + if (matcher(key) && !seen.has(key)) { + seen.add(key) + yield [key, val] + } + } + } + } + } + * [Symbol.iterator] () { + for (let [key, value] of this.entries()) { + yield [key, value] + } + } + * keys () { + for (let [key] of this.entries()) { + yield key + } + } + * values () { + for (let [, value] of this.entries()) { + yield value + } + } + concat (...moreConfig) { + return new Proxy(new FiggyPudding( + this.__specs, + this.__opts, + reverse(this.__providers).concat(moreConfig) + ), proxyHandler) + } +} +try { + const util = require('util') + FiggyPudding.prototype[util.inspect.custom] = function (depth, opts) { + return ( + this[Symbol.toStringTag] + ' ' + ) + util.inspect(this.toJSON(), opts) + } +} catch (e) {} + +function BadKeyError (key) { + throw Object.assign(new Error( + `invalid config key requested: ${key}` + ), {code: 'EBADKEY'}) +} + +function pudGet (pud, key, validate) { + let spec = pud.__specs[key] + if (validate && !spec && (!pud.__opts.other || !pud.__opts.other(key))) { + BadKeyError(key) + } else { + if (!spec) { spec = {} } + let ret + for (let p of pud.__providers) { + ret = tryGet(key, p) + if (ret === undefined && spec.aliases && spec.aliases.length) { + for (let alias of spec.aliases) { + if (alias === key) { continue } + ret = tryGet(alias, p) + if (ret !== undefined) { + break + } + } + } + if (ret !== undefined) { + break + } + } + if (ret === undefined && spec.default !== undefined) { + if (typeof spec.default === 'function') { + return spec.default(pud) + } else { + return spec.default + } + } else { + return ret + } + } +} + +function tryGet (key, p) { + let ret + if (p.__isFiggyPudding) { + ret = pudGet(p, key, false) + } else if (typeof p.get === 'function') { + ret = p.get(key) + } else { + ret = p[key] + } + return ret +} + +const proxyHandler = { + has (obj, prop) { + return prop in obj.__specs && pudGet(obj, prop, false) !== undefined + }, + ownKeys (obj) { + return Object.keys(obj.__specs) + }, + get (obj, prop) { + if ( + typeof prop === 'symbol' || + prop.slice(0, 2) === '__' || + prop in FiggyPudding.prototype + ) { + return obj[prop] + } + return obj.get(prop) + }, + set (obj, prop, value) { + if ( + typeof prop === 'symbol' || + prop.slice(0, 2) === '__' + ) { + obj[prop] = value + return true + } else { + throw new Error('figgyPudding options cannot be modified. Use .concat() instead.') + } + }, + deleteProperty () { + throw new Error('figgyPudding options cannot be deleted. Use .concat() and shadow them instead.') + } +} + +module.exports = figgyPudding +function figgyPudding (specs, opts) { + function factory (...providers) { + return new Proxy(new FiggyPudding( + specs, + opts, + providers + ), proxyHandler) + } + return factory +} + +function reverse (arr) { + const ret = [] + arr.forEach(x => ret.unshift(x)) + return ret +} + +function entries (obj) { + return Object.keys(obj).map(k => [k, obj[k]]) +} |