feat:node-modules

node_modules/vue/src/compiler/parser/text-parser.js

@@ -0,0 +1,53 @@
+/* @flow */
+
+import { cached } from 'shared/util'
+import { parseFilters } from './filter-parser'
+
+const defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g
+const regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g
+
+const buildRegex = cached(delimiters => {
+  const open = delimiters[0].replace(regexEscapeRE, '\\$&')
+  const close = delimiters[1].replace(regexEscapeRE, '\\$&')
+  return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
+})
+
+type TextParseResult = {
+  expression: string,
+  tokens: Array<string | { '@binding': string }>
+}
+
+export function parseText (
+  text: string,
+  delimiters?: [string, string]
+): TextParseResult | void {
+  const tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE
+  if (!tagRE.test(text)) {
+    return
+  }
+  const tokens = []
+  const rawTokens = []
+  let lastIndex = tagRE.lastIndex = 0
+  let match, index, tokenValue
+  while ((match = tagRE.exec(text))) {
+    index = match.index
+    // push text token
+    if (index > lastIndex) {
+      rawTokens.push(tokenValue = text.slice(lastIndex, index))
+      tokens.push(JSON.stringify(tokenValue))
+    }
+    // tag token
+    const exp = parseFilters(match[1].trim())
+    tokens.push(`_s(${exp})`)
+    rawTokens.push({ '@binding': exp })
+    lastIndex = index + match[0].length
+  }
+  if (lastIndex < text.length) {
+    rawTokens.push(tokenValue = text.slice(lastIndex))
+    tokens.push(JSON.stringify(tokenValue))
+  }
+  return {
+    expression: tokens.join('+'),
+    tokens: rawTokens
+  }
+}