Function createCodegenContext

packages/compiler-core/src/codegen.ts:141–281

(
  ast: RootNode,
  {
    mode = 'function',
    prefixIdentifiers = mode === 'module',
    sourceMap = false,
    filename = `template.vue.html`,
    scopeId = null,
    optimizeImports = false,
    runtimeGlobalName = `Vue`,
    runtimeModuleName = `vue`,
    ssrRuntimeModuleName = 'vue/server-renderer',
    ssr = false,
    isTS = false,
    inSSR = false,
  }: CodegenOptions,
)

}

function createCodegenContext(
  ast: RootNode,
  {
    mode = 'function',
    prefixIdentifiers = mode === 'module',
    sourceMap = false,
    filename = `template.vue.html`,
    scopeId = null,
    optimizeImports = false,
    runtimeGlobalName = `Vue`,
    runtimeModuleName = `vue`,
    ssrRuntimeModuleName = 'vue/server-renderer',
    ssr = false,
    isTS = false,
    inSSR = false,
  }: CodegenOptions,
): CodegenContext {
  const context: CodegenContext = {
    mode,
    prefixIdentifiers,
    sourceMap,
    filename,
    scopeId,
    optimizeImports,
    runtimeGlobalName,
    runtimeModuleName,
    ssrRuntimeModuleName,
    ssr,
    isTS,
    inSSR,
    source: ast.source,
    code: ``,
    column: 1,
    line: 1,
    offset: 0,
    indentLevel: 0,
    pure: false,
    map: undefined,
    helper(key) {
      return `_${helperNameMap[key]}`
    },
    push(code, newlineIndex = NewlineType.None, node) {
      context.code += code
      if (!__BROWSER__ && context.map) {
        if (node) {
          let name
          if (node.type === NodeTypes.SIMPLE_EXPRESSION && !node.isStatic) {
            const content = node.content.replace(/^_ctx\./, '')
            if (content !== node.content && isSimpleIdentifier(content)) {
              name = content
            }
          }
          if (node.loc.source) {
            addMapping(node.loc.start, name)
          }
        }
        if (newlineIndex === NewlineType.Unknown) {
          // multiple newlines, full iteration