Function makePropsLinkFn

01.GettingStarted/js/vue.js:6103–6155

* Build a function that applies props to a vm. * * @param {Array} props * @return {Function} propsLinkFn

(props)

   */

  function makePropsLinkFn(props) {
    return function propsLinkFn(vm, scope) {
      // store resolved props info
      vm._props = {};
      var inlineProps = vm.$options.propsData;
      var i = props.length;
      var prop, path, options, value, raw;
      while (i--) {
        prop = props[i];
        raw = prop.raw;
        path = prop.path;
        options = prop.options;
        vm._props[path] = prop;
        if (inlineProps && hasOwn(inlineProps, path)) {
          initProp(vm, prop, inlineProps[path]);
        }if (raw === null) {
          // initialize absent prop
          initProp(vm, prop, undefined);
        } else if (prop.dynamic) {
          // dynamic prop
          if (prop.mode === propBindingModes.ONE_TIME) {
            // one time binding
            value = (scope || vm._context || vm).$get(prop.parentPath);
            initProp(vm, prop, value);
          } else {
            if (vm._context) {
              // dynamic binding
              vm._bindDir({
                name: 'prop',
                def: propDef,
                prop: prop
              }, null, null, scope); // el, host, scope
            } else {
                // root instance
                initProp(vm, prop, vm.$get(prop.parentPath));
              }
          }
        } else if (prop.optimizedLiteral) {
          // optimized literal, cast it and just set once
          var stripped = stripQuotes(raw);
          value = stripped === raw ? toBoolean(toNumber(raw)) : stripped;
          initProp(vm, prop, value);
        } else {
          // string literal, but we need to cater for
          // Boolean props with no value, or with same
          // literal value (e.g. disabled="disabled")
          // see https://github.com/vuejs/vue-loader/issues/182
          value = options.type === Boolean && (raw === '' || raw === hyphenate(prop.name)) ? true : raw;
          initProp(vm, prop, value);
        }
      }
    };
  }

  /**
   * Process a prop with a rawValue, applying necessary coersions,