Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'acorn-loose' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
try {
// console.log(
// JSON.stringify(
// acorn.parse(lJavaScriptSource, { sourceType: "module", ecmaVersion: 11 }),
// null,
// " "
// )
// );
// ecmaVersion 11 necessary for acorn to understand dynamic imports
// default ecmaVersion for acorn 7 is still 10.
return acorn.parse(lJavaScriptSource, {
sourceType: "module",
ecmaVersion: 11
});
} catch (e) {
return acornLoose.parse(lJavaScriptSource, { sourceType: "module" });
}
}
// Check if the command has valid syntax...
debug( 'Processing command...' );
tmp = processCommand( cmd );
if ( tmp instanceof Error ) {
debug( 'Unable to process command.' );
debug( 'Error: %s', tmp.message );
debug( 'Attempting to detect multi-line input...' );
if ( hasMultilineError( cmd ) ) {
debug( 'Detected multi-line input. Waiting for additional lines...' );
repl._cmd.push( line );
repl._multiline_mode = true;
displayPrompt( repl, false );
return;
}
// Still possible that a user is attempting to enter an object literal across multiple lines...
ast = parseLoose( cmd );
// Check for a trailing node which is being interpreted as a block statement, as this could be an object literal...
node = ast.body[ ast.body.length-1 ];
if ( node.type === 'BlockStatement' && node.end === ast.end ) {
tmp = cmd.slice( node.start, node.end );
if ( hasMultilineError( tmp ) ) {
debug( 'Detected multi-line input. Waiting for additional lines...' );
repl._cmd.push( line );
repl._multiline_mode = true;
displayPrompt( repl, false );
return;
}
}
debug( 'Multi-line input not detected.' );
repl._ostream.write( 'Error: '+tmp.message+'\n' );
repl._cmd.length = 0;
var script;
var node;
var opts;
var ast;
var obj;
var res;
// Case: `<|>` (a command devoid of expressions/statements)
if ( trim( expression ) === '' ) {
debug( 'Auto-completion triggered without a filter. Empty expression.' );
out.push.apply( out, objectKeys( context ) );
out.push.apply( out, RESERVED_KEYWORDS_COMMON );
return '';
}
debug( 'Parsing expression into an AST.' );
ast = parse( expression );
debug( 'Resolving local scopes within the AST.' );
ast = resolveLocalScopes( ast );
// Get the last program top-level AST "node":
debug( 'Number of statements: %d', ast.body.length );
node = ast.body[ ast.body.length-1 ];
// Check for an empty trailing "expression"...
if (
node.end !== ast.end &&
expression[ node.end ] === ';' &&
trim( expression.slice( node.end+1 ) ) === ''
) {
debug( 'Auto-completion triggered without a filter. Empty expression.' );
out.push.apply( out, RESERVED_KEYWORDS_COMMON );
var files;
var stats;
var args;
var ast;
var arg;
var dir;
var f;
var i;
// Get the list of argument types for the desired file system API:
debug( 'File system API: %s', alias );
args = fsAliasArgs( alias );
// Parse the expression into an AST:
debug( 'Expression: %s', expression );
ast = parse( expression );
// Check whether the argument which triggered TAB completion has a corresponding argument type which is completable:
debug( 'Checking if argument is completable...' );
arg = args[ ast.body[ 0 ].expression.arguments.length-1 ];
if ( !arg ) {
debug( 'Argument which triggered TAB completion is not completable.' );
return '';
}
debug( 'Argument is completable.' );
// Split the path to complete into two components: subdirectory path and filter...
subdir = path.match( pathRegExp() );
filter = subdir[ 2 ];
subdir = subdir[ 1 ] || '';
debug( 'Searching for completion candidates...' );
}
// To ensure that "un-silenced" variable/function declarations produce a return value, check the last node for declarations...
else if ( node.type === 'VariableDeclaration' ) {
debug( 'Found a trailing variable declaration which is not silenced. Appending expression...' );
tmp = node.declarations[ node.declarations.length-1 ];
code += ';' + tmp.id.name; // return the assigned value of last declared variable
} else if ( node.type === 'FunctionDeclaration' ) {
debug( 'Found a trailing function declaration which is not silenced. Appending expression...' );
code += ';' + node.id.name;
}
return code;
}
debug( 'Checking for a trailing object literal...' );
// Make a best-effort attempt to parse the code string into an AST:
ast = parseLoose( code );
// If the body is empty, assume that we have been given an unterminated comment...
if ( ast.body.length === 0 ) {
debug( 'Detected unterminated comment.' );
return err; // original error message
}
// Get the last (non-empty) node:
for ( i = ast.body.length-1; i >= 0; i-- ) {
node = ast.body[ i ];
if ( node.type !== 'EmptyStatement' ) {
break;
}
}
// Check for a trailing node which is interpreted as a block statement, as this node could be an object literal...
if ( node.type === 'BlockStatement' ) {
debug( 'Last (non-empty) statement interpreted as a block statement. Checking if object literal...' );
.reduce((acc, next) => {
const path = `./src/components/views/${next.replace(".stories.js", "")}`;
const file = fs.readFileSync(`./src/stories/${next}`, "utf8");
const ast = acorn.parse(file, {sourceType: "module"});
const imports = ast.body.reduce((acc, next) => {
const obj = {};
if (next.type === "ImportDeclaration") {
const defaultSpecifier = next.specifiers.find(
c => c.type === "ImportDefaultSpecifier",
);
if (
defaultSpecifier &&
(specifiers.includes(defaultSpecifier.local.name) ||
defaultSpecifier.local.name.includes("Mock"))
) {
obj.source = next.source.value;
obj.type = defaultSpecifier.local.name;
obj.imports = [];
next.specifiers.forEach(s => {
exports.parseAstExpressions = (script) => {
const ast = AstParser.parse(script);
if (!ast.body || !script) return [];
return ast.body.map(e => script.substring(e.start, e.end)) || [];
};
static getParamNames(func: Function | string, methodName?: string): string[] {
const ret: string[] = [];
const parsed = parse(func.toString());
const checkNode = (node: any, methodName?: string) => {
if (methodName && !(node.key && (node.key as any).name === methodName)) {
return;
}
const params = node.value ? node.value.params : node.params;
ret.push(...params.map((p: any) => {
switch (p.type) {
case 'AssignmentPattern':
return p.left.name;
case 'RestElement':
return '...' + p.argument.name;
default:
return p.name;
}
const ParserWithJsx = entry => Parser.parse(parseJsx(entry));
let Parser = require("acorn-loose");
let ParserWalk = require("acorn-walk");
const parseImportFromExport = require("./parseImportFromExport");
const parseJsx = require("./parseJsx");
const injectImportUsingExportWalk = require("./walk");
Parser = Parser.LooseParser.extend(parseImportFromExport);
ParserWalk = injectImportUsingExportWalk(ParserWalk);
const ParserWithJsx = entry => Parser.parse(parseJsx(entry));
module.exports = { Parser: ParserWithJsx, ParserWalk };