1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.validatePluginObject = validatePluginObject;
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7 |
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8 | var _optionAssertions = require("./option-assertions");
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9 |
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10 | const VALIDATORS = {
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11 | name: _optionAssertions.assertString,
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12 | manipulateOptions: _optionAssertions.assertFunction,
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13 | pre: _optionAssertions.assertFunction,
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14 | post: _optionAssertions.assertFunction,
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15 | inherits: _optionAssertions.assertFunction,
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16 | visitor: assertVisitorMap,
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17 | parserOverride: _optionAssertions.assertFunction,
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18 | generatorOverride: _optionAssertions.assertFunction
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19 | };
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20 |
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21 | function assertVisitorMap(loc, value) {
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22 | const obj = (0, _optionAssertions.assertObject)(loc, value);
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23 |
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24 | if (obj) {
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25 | Object.keys(obj).forEach(prop => assertVisitorHandler(prop, obj[prop]));
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26 |
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27 | if (obj.enter || obj.exit) {
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28 | throw new Error(`${(0, _optionAssertions.msg)(loc)} cannot contain catch-all "enter" or "exit" handlers. Please target individual nodes.`);
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29 | }
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30 | }
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31 |
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32 | return obj;
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33 | }
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34 |
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35 | function assertVisitorHandler(key, value) {
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36 | if (value && typeof value === "object") {
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37 | Object.keys(value).forEach(handler => {
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38 | if (handler !== "enter" && handler !== "exit") {
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39 | throw new Error(`.visitor["${key}"] may only have .enter and/or .exit handlers.`);
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40 | }
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41 | });
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42 | } else if (typeof value !== "function") {
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43 | throw new Error(`.visitor["${key}"] must be a function`);
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44 | }
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45 |
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46 | return value;
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47 | }
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48 |
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49 | function validatePluginObject(obj) {
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50 | const rootPath = {
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51 | type: "root",
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52 | source: "plugin"
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53 | };
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54 | Object.keys(obj).forEach(key => {
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55 | const validator = VALIDATORS[key];
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56 |
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57 | if (validator) {
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58 | const optLoc = {
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59 | type: "option",
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60 | name: key,
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61 | parent: rootPath
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62 | };
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63 | validator(optLoc, obj[key]);
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64 | } else {
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65 | const invalidPluginPropertyError = new Error(`.${key} is not a valid Plugin property`);
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66 | invalidPluginPropertyError.code = "BABEL_UNKNOWN_PLUGIN_PROPERTY";
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67 | throw invalidPluginPropertyError;
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68 | }
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69 | });
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70 | return obj;
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71 | } |
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