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feat: support all the config resolving related babel options
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README.md

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@@ -23,7 +23,6 @@ yarn add react-docgen --dev
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npm install --save-dev react-docgen
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```
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## CLI
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Installing the module adds a `react-docgen` executable which allows you to convert
@@ -80,12 +79,12 @@ As with the CLI, this will look for the exported component created through `Reac
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### parse(source \[, resolver \[, handlers \[, options\]\]\])
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| Parameter | Type | Description |
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| -------------- | ------ | --------------- |
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| source | string | The source text |
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| resolver | function | A function of the form `(ast: ASTNode, recast: Object) => (NodePath|Array<NodePath>)`. Given an AST and a reference to recast, it returns an (array of) NodePath which represents the component definition. |
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| handlers | Array\<function\> | An array of functions of the form `(documentation: Documentation, definition: NodePath) => void`. Each function is called with a `Documentation` object and a reference to the component definition as returned by `resolver`. Handlers extract relevant information from the definition and augment `documentation`. |
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| options | Object | Pass options to react-docgen, see below. |
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| Parameter | Type | Description |
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| --------- | ----------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| source | string | The source text |
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| resolver | function | A function of the form `(ast: ASTNode, recast: Object) => (NodePath|Array<NodePath>)`. Given an AST and a reference to recast, it returns an (array of) NodePath which represents the component definition. |
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| handlers | Array\<function\> | An array of functions of the form `(documentation: Documentation, definition: NodePath) => void`. Each function is called with a `Documentation` object and a reference to the component definition as returned by `resolver`. Handlers extract relevant information from the definition and augment `documentation`. |
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| options | Object | Pass options to react-docgen, see below. |
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#### options
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@@ -104,6 +103,14 @@ Default: `process.cwd()`
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The working directory that babel configurations will be searched in.
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##### ∙ babelrc, babelrcRoots, root, rootMode, configFile, envName
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Type: `boolean`
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Default: `true`
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These options, will be passed directly to `babel` for locating and resolving a local config or babelrc. To see
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documentation for each option consult the [babel website](https://babeljs.io/docs/en/options#config-loading-options).
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##### ∙ parserOptions
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Type: `BabelParserOptions`
@@ -129,7 +136,7 @@ module.exports = Component;
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and returns the ObjectExpression to which `<def>` resolves to, or the class declaration itself.
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`findAllComponentDefinitions` works similarly, but finds *all* `React.createClass` calls and class definitions, not only the one that is exported.
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`findAllComponentDefinitions` works similarly, but finds _all_ `React.createClass` calls and class definitions, not only the one that is exported.
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This makes it easy, together with the utility methods created to analyze the AST, to introduce new or custom resolver methods. For example, a resolver could look for plain ObjectExpressions with a `render` method.
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@@ -145,7 +152,7 @@ For example, while the `propTypesHandler` expects the prop types definition to b
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- Modules have to export a single component, and only that component is analyzed.
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- When using `React.createClass`, the component definition (the value passed to it) must resolve to an object literal.
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- When using classes, the class must either `extend React.Component` *or* define a `render()` method.
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- When using classes, the class must either `extend React.Component` _or_ define a `render()` method.
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- `propTypes` must be an object literal or resolve to an object literal in the same file.
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- The `return` statement in `getDefaultProps` must contain an object literal.
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@@ -179,14 +186,11 @@ MyComponent.propTypes = {
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bar: function(props, propName, componentName) {
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// ...
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},
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baz: PropTypes.oneOfType([
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PropTypes.number,
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PropTypes.string
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]),
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baz: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
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};
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MyComponent.defaultProps = {
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bar: 21
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bar: 21,
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};
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export default MyComponent;
@@ -263,7 +267,6 @@ type Props = {
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* General component description.
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*/
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export default class MyComponent extends Component<void, Props, void> {
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props: Props;
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render(): ?ReactElement {
@@ -276,83 +279,77 @@ we are getting this output:
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```json
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{
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"description":"General component description.",
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"props":{
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"primitive":{
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"flowType":{ "name":"number" },
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"required":true,
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"description":"Description of prop \"foo\"."
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"description": "General component description.",
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"props": {
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"primitive": {
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"flowType": { "name": "number" },
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"required": true,
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"description": "Description of prop \"foo\"."
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},
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"literalsAndUnion":{
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"flowType":{
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"name":"union",
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"raw":"'string' | 'otherstring' | number",
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"elements":[
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{ "name":"literal", "value":"'string'" },
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{ "name":"literal", "value":"'otherstring'" },
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{ "name":"number" }
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"literalsAndUnion": {
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"flowType": {
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"name": "union",
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"raw": "'string' | 'otherstring' | number",
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"elements": [
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{ "name": "literal", "value": "'string'" },
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{ "name": "literal", "value": "'otherstring'" },
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{ "name": "number" }
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]
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},
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"required":true,
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"description":"Description of prop \"bar\"."
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"required": true,
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"description": "Description of prop \"bar\"."
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},
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"arr":{
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"flowType":{
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"name":"Array",
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"elements":[
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{ "name":"any" }
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],
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"raw":"Array<any>"
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"arr": {
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"flowType": {
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"name": "Array",
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"elements": [{ "name": "any" }],
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"raw": "Array<any>"
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},
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"required":true
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"required": true
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},
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"func":{
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"flowType":{
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"name":"signature",
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"type":"function",
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"raw":"(value: string) => void",
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"signature":{
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"arguments":[
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{ "name":"value", "type":{ "name":"string" } }
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],
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"return":{ "name":"void" }
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"func": {
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"flowType": {
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"name": "signature",
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"type": "function",
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"raw": "(value: string) => void",
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"signature": {
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"arguments": [{ "name": "value", "type": { "name": "string" } }],
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"return": { "name": "void" }
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}
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},
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"required":false
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"required": false
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},
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"noParameterName":{
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"flowType":{
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"name":"signature",
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"type":"function",
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"raw":"string => void",
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"signature":{
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"arguments":[
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{ "name":"", "type":{ "name":"string" } }
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],
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"return":{ "name":"void" }
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"noParameterName": {
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"flowType": {
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"name": "signature",
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"type": "function",
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"raw": "string => void",
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"signature": {
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"arguments": [{ "name": "", "type": { "name": "string" } }],
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"return": { "name": "void" }
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}
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},
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"required":false
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"required": false
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},
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"obj":{
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"flowType":{
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"name":"signature",
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"type":"object",
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"raw":"{ subvalue: ?boolean }",
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"signature":{
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"properties":[
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"obj": {
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"flowType": {
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"name": "signature",
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"type": "object",
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"raw": "{ subvalue: ?boolean }",
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"signature": {
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"properties": [
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{
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"key":"subvalue",
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"value":{
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"name":"boolean",
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"nullable":true,
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"required":true
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"key": "subvalue",
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"value": {
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"name": "boolean",
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"nullable": true,
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"required": true
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}
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}
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]
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}
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},
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"required":false
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"required": false
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}
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}
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}
@@ -362,18 +359,18 @@ we are getting this output:
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Here is a list of all the available types and its result structure.
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Name | Examples | Result
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------------- | ------------- | -------------
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Simple | ```let x: string;```<br />```let x: number;```<br />```let x: boolean;```<br />```let x: any;```<br />```let x: void;```<br />```let x: Object;```<br />```let x: String;```<br />```let x: MyClass;``` | ```{ "name": "<type>" }```
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Literals | ```let x: 'foo';```<br />```let x: 1;```<br />```let x: true;``` | ```{ "name": "literal", "value": "<rawvalue>" }```
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Typed Classes | ```let x: Array<foo>;```<br />```let x: Class<foo>;```<br />```let x: MyClass<bar>;``` | ```{ "name": "<type>", "elements": [{ <element-type> }, ...] }```
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Object Signature | ```let x: { foo: string, bar?: mixed };```<br />```let x: { [key: string]: string, foo: number };``` | ```{ "name": "signature", "type": "object", "raw": "<raw-signature>", "signature": { "properties": [{ "key": "<property-name>"|{ <property-key-type> }, "value": { <property-type>, "required": <true/false> } }, ...] } }```
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Function Signature | ```let x: (x: string) => void;``` | ```{ "name": "signature", "type": "function", "raw": "<raw-signature>", "signature": { "arguments": [{ "name": "<argument-name>", "type": { <argument-type> } }, ...], "return": { <return-type> } } }```
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Callable-Object/Function-Object Signature | ```let x: { (x: string): void, prop: string };``` | ```{ "name": "signature", "type": "object", "raw": "<raw-signature>", "signature": { "properties": [{ "key": "<property-name>"|{ <property-key-type> }, "value": { <property-type>, "required": <true/false> } }, ...], "constructor": { <function-signature> } } }```
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Tuple | ```let x: [foo, "value", number];``` | ```{ "name": "tuple", "raw": "<raw-signature>", "elements": [{ <element-type> }, ...] }```
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Union | ```let x: number | string;``` | ```{ "name": "union", "raw": "<raw-signature>", "elements": [{ <element-type> }, ...] }```
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Intersect | ```let x: number & string;``` | ```{ "name": "intersect", "raw": "<raw-signature>", "elements": [{ <element-type> }, ...] }```
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Nullable modifier | ```let x: ?number;``` | ```{ "name": "number", "nullable": true }```
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| Name | Examples | Result |
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| ----------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
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| Simple | `let x: string;`<br />`let x: number;`<br />`let x: boolean;`<br />`let x: any;`<br />`let x: void;`<br />`let x: Object;`<br />`let x: String;`<br />`let x: MyClass;` | `{ "name": "<type>" }` |
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| Literals | `let x: 'foo';`<br />`let x: 1;`<br />`let x: true;` | `{ "name": "literal", "value": "<rawvalue>" }` |
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| Typed Classes | `let x: Array<foo>;`<br />`let x: Class<foo>;`<br />`let x: MyClass<bar>;` | `{ "name": "<type>", "elements": [{ <element-type> }, ...] }` |
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| Object Signature | `let x: { foo: string, bar?: mixed };`<br />`let x: { [key: string]: string, foo: number };` | `{ "name": "signature", "type": "object", "raw": "<raw-signature>", "signature": { "properties": [{ "key": "<property-name>"|{ <property-key-type> }, "value": { <property-type>, "required": <true/false> } }, ...] } }` |
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| Function Signature | `let x: (x: string) => void;` | `{ "name": "signature", "type": "function", "raw": "<raw-signature>", "signature": { "arguments": [{ "name": "<argument-name>", "type": { <argument-type> } }, ...], "return": { <return-type> } } }` |
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| Callable-Object/Function-Object Signature | `let x: { (x: string): void, prop: string };` | `{ "name": "signature", "type": "object", "raw": "<raw-signature>", "signature": { "properties": [{ "key": "<property-name>"|{ <property-key-type> }, "value": { <property-type>, "required": <true/false> } }, ...], "constructor": { <function-signature> } } }` |
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| Tuple | `let x: [foo, "value", number];` | `{ "name": "tuple", "raw": "<raw-signature>", "elements": [{ <element-type> }, ...] }` |
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| Union | `let x: number | string;` | `{ "name": "union", "raw": "<raw-signature>", "elements": [{ <element-type> }, ...] }` |
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| Intersect | `let x: number & string;` | `{ "name": "intersect", "raw": "<raw-signature>", "elements": [{ <element-type> }, ...] }` |
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| Nullable modifier | `let x: ?number;` | `{ "name": "number", "nullable": true }` |
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## Result data structure
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["composes": <componentNames>]
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}
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```
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(`[...]` means the property may not exist if such information was not found in the component definition)
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- `<propName>`: For each prop that was found, there will be an entry in `props` under the same name.
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- `<typeName>`: The name of the type, which is usually corresponds to the function name in `React.PropTypes`. However, for types define with `oneOf`, we use `"enum"` and for `oneOfType` we use `"union"`. If a custom function is provided or the type cannot be resolved to anything of `React.PropTypes`, we use `"custom"`.
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- `<propName>`: For each prop that was found, there will be an entry in `props` under the same name.
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- `<typeName>`: The name of the type, which is usually corresponds to the function name in `React.PropTypes`. However, for types define with `oneOf`, we use `"enum"` and for `oneOfType` we use `"union"`. If a custom function is provided or the type cannot be resolved to anything of `React.PropTypes`, we use `"custom"`.
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- `<typeValue>`: Some types accept parameters which define the type in more detail (such as `arrayOf`, `instanceOf`, `oneOf`, etc). Those are stored in `<typeValue>`. The data type of `<typeValue>` depends on the type definition.
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- `<flowType>`: If using flow type this property contains the parsed flow type as can be seen in the table above.
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[react]: http://facebook.github.io/react/
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[flow]: http://flowtype.org/
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[recast]: https://github.com/benjamn/recast

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