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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | 7x 7x 1x 5x 5x 5x 7x 371x 8x 2x 7x 7x | import { curry, merge } from "f-utility" /** @method alias @param {Object} object - an object to store aliases in @param {string} original - a string @param {string} alt - the alias @returns null */ export const alias = curry((object, original, alt) => { /* istanbul ignore next */ if (!object[alt]) { /* istanbul ignore next */ object[alt] = original // eslint-disable-line fp/no-mutation } /* istanbul ignore next */ if (!object[original]) { /* istanbul ignore next */ object[original] = object[alt] // eslint-disable-line fp/no-mutation } }) /** @method pureAliasedListeners @param {Function} subscriber - a callback function @returns {Object} current */ export const pureAliasedListeners = subscriber => curry((original, alt, seed) => { const emitted = merge(seed, { [alt]: original, [original]: original }) subscriber(emitted) return emitted }) /** @method getAliasFrom @param {Object} object - an object to pull aliases from @param {string} key - a key to look up @returns {*} whatever the lookup resulted in or the key itself */ export const getAliasFrom = curry( (object, key) => (object && object[key]) || key ) /** @method canonicalize @param {Object} object - an object to store aliases in and pull aliases from @returns {Object} an object with canonize and getCanon on it */ export const canonicalize = object => ({ canonize: (a, b = a) => alias(object, a, b), getCanon: getAliasFrom(object) }) const authors = {} export const { getCanon, canonize } = canonicalize(authors) |