87feda7c2a
* Add error recovery support to @babel/parser * Update @babel/parser tests to always recover from errors * Update this.raise usage in @babel/parser: - expression.js - lval.js - statement.js - estree.js - flow.js - jsx/index.js - tokenizer/index.js * Update @babel/parser fixtures with recovered errors * Fix tests out of @babel/parser * Do not use try/catch for control flow * Update invalid fixtures * Do not report invalid lhs in toAssignable * Do not validate function id multiple times * Dedupe reserved await errors * Remove duplicate errors about strict reserved bindings * Remove duplicated error about yield/await inside params * Don't error twice for methods in object patterns * Don't report invalid super() twice * Remove dup error about reserved param for expr arrows * Remove double escapes in migrated tests * Dedupe errors about invalid escapes in identifiers * Remove duplicated error about decorated constructor * Remove duplicated error about spread in flow class * Don't throw for invalid super usage * Don't fail for object decorators with stage 2 * Fix flow inexact type errors * Fix flow * Fix errors about escapes in keywords (ref: #10455) * Update after rebase * Fix todo * Remove duplicated error when using += for defaults * Remove unnecessary throw * Nit: use ??
80 lines
2.7 KiB
JavaScript
Executable File
80 lines
2.7 KiB
JavaScript
Executable File
// @flow
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import type { PluginList } from "./plugin-utils";
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// A second optional argument can be given to further configure
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// the parser process. These options are recognized:
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export type SourceType = "script" | "module" | "unambiguous";
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export type Options = {
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sourceType: SourceType,
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sourceFilename?: string,
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startLine: number,
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allowAwaitOutsideFunction: boolean,
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allowReturnOutsideFunction: boolean,
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allowImportExportEverywhere: boolean,
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allowSuperOutsideMethod: boolean,
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allowUndeclaredExports: boolean,
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plugins: PluginList,
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strictMode: ?boolean,
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ranges: boolean,
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tokens: boolean,
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createParenthesizedExpressions: boolean,
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errorRecovery: boolean,
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};
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export const defaultOptions: Options = {
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// Source type ("script" or "module") for different semantics
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sourceType: "script",
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// Source filename.
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sourceFilename: undefined,
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// Line from which to start counting source. Useful for
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// integration with other tools.
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startLine: 1,
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// When enabled, await at the top level is not considered an
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// error.
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allowAwaitOutsideFunction: false,
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// When enabled, a return at the top level is not considered an
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// error.
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allowReturnOutsideFunction: false,
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// When enabled, import/export statements are not constrained to
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// appearing at the top of the program.
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allowImportExportEverywhere: false,
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// TODO
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allowSuperOutsideMethod: false,
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// When enabled, export statements can reference undeclared variables.
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allowUndeclaredExports: false,
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// An array of plugins to enable
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plugins: [],
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// TODO
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strictMode: null,
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// Nodes have their start and end characters offsets recorded in
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// `start` and `end` properties (directly on the node, rather than
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// the `loc` object, which holds line/column data. To also add a
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// [semi-standardized][range] `range` property holding a `[start,
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// end]` array with the same numbers, set the `ranges` option to
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// `true`.
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//
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// [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
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ranges: false,
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// Adds all parsed tokens to a `tokens` property on the `File` node
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tokens: false,
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// Whether to create ParenthesizedExpression AST nodes (if false
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// the parser sets extra.parenthesized on the expression nodes instead).
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createParenthesizedExpressions: false,
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// When enabled, errors are attached to the AST instead of being directly thrown.
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// Some errors will still throw, because @babel/parser can't always recover.
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errorRecovery: false,
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};
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// Interpret and default an options object
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export function getOptions(opts: ?Options): Options {
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const options: any = {};
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for (const key of Object.keys(defaultOptions)) {
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options[key] = opts && opts[key] != null ? opts[key] : defaultOptions[key];
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}
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return options;
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}
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