foosinn/ergogen
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Change indirection and preprocessing symbols

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This commit is contained in:
Bán Dénes 2021-01-02 18:38:57 +01:00
parent 1910e93d71
commit 29503614cc
3 changed files with 11 additions and 11 deletions
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16
src/prepare.js
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@ -1,7 +1,7 @@
const u = require('./utils')
const a = require('./assert')
const unnest = exports.unnest = (config) => {
const unnest = exports.unnest = config => {
if (a.type(config)() !== 'object') return config
const result = {}
for (const [key, val] of Object.entries(config)) {
@ -14,7 +14,7 @@ const _extend = exports._extend = (to, from) => {
const to_type = a.type(to)()
const from_type = a.type(from)()
if (from === undefined || from === null) return to
if (from === '!!unset') return undefined
if (from === '$unset') return undefined
if (to_type != from_type) return from
if (from_type == 'object') {
const res = u.deepcopy(to)
@ -47,21 +47,21 @@ const _inherit = exports._inherit = (config, root, breadcrumbs) => {
for (const [key, val] of Object.entries(config)) {
breadcrumbs.push(key)
let newval = _inherit(val, root, breadcrumbs)
if (newval && newval.extends !== undefined) {
let candidates = u.deepcopy(newval.extends)
if (newval && newval.$extends !== undefined) {
let candidates = u.deepcopy(newval.$extends)
if (a.type(candidates)() !== 'array') candidates = [candidates]
const list = [newval]
while (candidates.length) {
const path = candidates.shift()
const other = u.deepcopy(u.deep(root, path))
a.assert(other, `"${path}" (reached from "${breadcrumbs.join('.')}.extends") does not name a valid inheritance target!`)
let parents = other.extends || []
a.assert(other, `"${path}" (reached from "${breadcrumbs.join('.')}.$extends") does not name a valid inheritance target!`)
let parents = other.$extends || []
if (a.type(parents)() !== 'array') parents = [parents]
candidates = candidates.concat(parents)
list.unshift(other)
}
newval = extend.apply(this, list)
delete newval.extends
delete newval.$extends
}
result[key] = newval
breadcrumbs.pop()
@ -69,4 +69,4 @@ const _inherit = exports._inherit = (config, root, breadcrumbs) => {
return result
}
const inherit = exports.inherit = (config) => _inherit(config, config, [])
const inherit = exports.inherit = config => _inherit(config, config, [])