feat: add buildOuts util

src/shared/rename.js

@@ -0,0 +1,68 @@
+const RULE_REGEX = /\(([^)]*)\)/
+const OPERATOR_PLUS = '+'
+const OPERATOR_MINUS = '-'
+
+export function getRuleString (out) {
+  const rule = out.match(RULE_REGEX)
+  const result = rule && rule[1]
+
+  return result
+}
+
+export function buildRule (rule) {
+  let ruleArr
+  let operator
+  let init = 1
+  let step = 1
+  let len = 1
+
+  if (rule.includes('+')) {
+    ruleArr = rule.split('+')
+    operator = OPERATOR_PLUS
+  } else if (rule.includes('-')) {
+    ruleArr = rule.split('-')
+    operator = OPERATOR_MINUS
+  }
+
+  if (ruleArr) {
+    len = ruleArr[0].length
+    init = parseInt(ruleArr[0], 10)
+    step = ruleArr[1] || 1
+    if (operator === OPERATOR_MINUS) {
+      step = -step
+    }
+  }
+
+  return {
+    init,
+    step,
+    len
+  }
+}
+
+export function buildOuts (uris = [], out = '') {
+  const result = []
+  const count = uris.length
+  if (count === 0 || !out) {
+    return result
+  }
+
+  const ruleStr = getRuleString(out)
+  if (!ruleStr) {
+    return result
+  }
+  const rule = buildRule(ruleStr)
+
+  let idx
+  let temp
+
+  for (let i = 0; i < count; i++) {
+    idx = `${rule.init + rule.step * i}`.padStart(rule.len, '0')
+
+    temp = out.replace(RULE_REGEX, idx)
+
+    result.push(temp)
+  }
+
+  return result
+}