59 lines
2.1 KiB
TypeScript
59 lines
2.1 KiB
TypeScript
import { REGEX_VAR, REGEX_VAR_ALT } from "@polymech/core/constants"
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import { DEFAULT_ROOTS } from './config.js'
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export const DATE_VARS = () => {
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return {
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YYYY: new Date(Date.now()).getFullYear(),
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MM: new Date(Date.now()).getMonth() + 1,
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DD: new Date(Date.now()).getDate(),
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HH: new Date(Date.now()).getHours(),
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SS: new Date(Date.now()).getSeconds()
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}
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}
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export const _substitute = (template, map: Record<string, any>, keep: boolean = true, alt: boolean = false) => {
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const transform = (k) => k || ''
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return template.replace(alt ? REGEX_VAR_ALT : REGEX_VAR, (match, key, format) => {
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if (map[key]) {
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return transform(map[key]).toString()
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} else if (map[key.replace(/-/g, '_')]) {
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return transform(map[key.replace(/-/g, '_')]).toString()
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} else if (keep) {
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return "${" + key + "}"
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} else {
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return ""
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}
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})
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}
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export const substitute = (alt: boolean, template: string, vars: Record<string, any> = {}, keep: boolean = true) => alt ? _substitute(template, vars, keep, alt) : _substitute(template, vars, keep, alt)
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export const DEFAULT_VARS = (vars: any) => {
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return {
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...DEFAULT_ROOTS,
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...DATE_VARS(),
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...vars
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}
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}
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export const resolveVariables = (path: string, alt: boolean = false, vars: Record<string, string> = {}, keep = false) =>
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substitute(alt, path, DEFAULT_VARS(vars), keep)
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export const resolve = (path: string, alt: boolean = false, vars: Record<string, string> = {}, keep = false) =>
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resolveVariables(path, alt, vars, keep)
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export const template = (
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path: string,
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vars: Record<string, string> = {},
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keep: boolean = false,
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depth: number = 3
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): string => {
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const map = DEFAULT_VARS(vars)
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let oldValue = path
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let newValue = resolve(oldValue, false, map)
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let iterationCount = 0
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while (newValue !== oldValue && iterationCount < depth) {
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iterationCount++
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oldValue = newValue
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newValue = resolve(oldValue, false, map, keep)
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}
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return newValue
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} |