DCFronted/node_modules/execa/lib/pipe/pipe-arguments.js
zyb 0c0b5d869c 加入了node_modules
添加了新的功能项
2025-05-13 21:23:41 +08:00

92 lines
3.2 KiB
JavaScript

import {normalizeParameters} from '../methods/parameters.js';
import {getStartTime} from '../return/duration.js';
import {SUBPROCESS_OPTIONS, getToStream, getFromStream} from '../arguments/fd-options.js';
import {isDenoExecPath} from '../arguments/file-url.js';
// Normalize and validate arguments passed to `source.pipe(destination)`
export const normalizePipeArguments = ({source, sourcePromise, boundOptions, createNested}, ...pipeArguments) => {
const startTime = getStartTime();
const {
destination,
destinationStream,
destinationError,
from,
unpipeSignal,
} = getDestinationStream(boundOptions, createNested, pipeArguments);
const {sourceStream, sourceError} = getSourceStream(source, from);
const {options: sourceOptions, fileDescriptors} = SUBPROCESS_OPTIONS.get(source);
return {
sourcePromise,
sourceStream,
sourceOptions,
sourceError,
destination,
destinationStream,
destinationError,
unpipeSignal,
fileDescriptors,
startTime,
};
};
const getDestinationStream = (boundOptions, createNested, pipeArguments) => {
try {
const {
destination,
pipeOptions: {from, to, unpipeSignal} = {},
} = getDestination(boundOptions, createNested, ...pipeArguments);
const destinationStream = getToStream(destination, to);
return {
destination,
destinationStream,
from,
unpipeSignal,
};
} catch (error) {
return {destinationError: error};
}
};
// Piping subprocesses can use three syntaxes:
// - source.pipe('command', commandArguments, pipeOptionsOrDestinationOptions)
// - source.pipe`command commandArgument` or source.pipe(pipeOptionsOrDestinationOptions)`command commandArgument`
// - source.pipe(execa(...), pipeOptions)
const getDestination = (boundOptions, createNested, firstArgument, ...pipeArguments) => {
if (Array.isArray(firstArgument)) {
const destination = createNested(mapDestinationArguments, boundOptions)(firstArgument, ...pipeArguments);
return {destination, pipeOptions: boundOptions};
}
if (typeof firstArgument === 'string' || firstArgument instanceof URL || isDenoExecPath(firstArgument)) {
if (Object.keys(boundOptions).length > 0) {
throw new TypeError('Please use .pipe("file", ..., options) or .pipe(execa("file", ..., options)) instead of .pipe(options)("file", ...).');
}
const [rawFile, rawArguments, rawOptions] = normalizeParameters(firstArgument, ...pipeArguments);
const destination = createNested(mapDestinationArguments)(rawFile, rawArguments, rawOptions);
return {destination, pipeOptions: rawOptions};
}
if (SUBPROCESS_OPTIONS.has(firstArgument)) {
if (Object.keys(boundOptions).length > 0) {
throw new TypeError('Please use .pipe(options)`command` or .pipe($(options)`command`) instead of .pipe(options)($`command`).');
}
return {destination: firstArgument, pipeOptions: pipeArguments[0]};
}
throw new TypeError(`The first argument must be a template string, an options object, or an Execa subprocess: ${firstArgument}`);
};
// Force `stdin: 'pipe'` with the destination subprocess
const mapDestinationArguments = ({options}) => ({options: {...options, stdin: 'pipe', piped: true}});
const getSourceStream = (source, from) => {
try {
const sourceStream = getFromStream(source, from);
return {sourceStream};
} catch (error) {
return {sourceError: error};
}
};