55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.validatePluginObject = validatePluginObject;
|
|
|
|
var _optionAssertions = require("./option-assertions");
|
|
|
|
const VALIDATORS = {
|
|
name: _optionAssertions.assertString,
|
|
manipulateOptions: _optionAssertions.assertFunction,
|
|
pre: _optionAssertions.assertFunction,
|
|
post: _optionAssertions.assertFunction,
|
|
inherits: _optionAssertions.assertFunction,
|
|
visitor: assertVisitorMap,
|
|
parserOverride: _optionAssertions.assertFunction,
|
|
generatorOverride: _optionAssertions.assertFunction
|
|
};
|
|
|
|
function assertVisitorMap(key, value) {
|
|
const obj = (0, _optionAssertions.assertObject)(key, value);
|
|
|
|
if (obj) {
|
|
Object.keys(obj).forEach(prop => assertVisitorHandler(prop, obj[prop]));
|
|
|
|
if (obj.enter || obj.exit) {
|
|
throw new Error(`.${key} cannot contain catch-all "enter" or "exit" handlers. Please target individual nodes.`);
|
|
}
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
function assertVisitorHandler(key, value) {
|
|
if (value && typeof value === "object") {
|
|
Object.keys(value).forEach(handler => {
|
|
if (handler !== "enter" && handler !== "exit") {
|
|
throw new Error(`.visitor["${key}"] may only have .enter and/or .exit handlers.`);
|
|
}
|
|
});
|
|
} else if (typeof value !== "function") {
|
|
throw new Error(`.visitor["${key}"] must be a function`);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function validatePluginObject(obj) {
|
|
Object.keys(obj).forEach(key => {
|
|
const validator = VALIDATORS[key];
|
|
if (validator) validator(key, obj[key]);else throw new Error(`.${key} is not a valid Plugin property`);
|
|
});
|
|
return obj;
|
|
} |