@netlify/build/lib/plugins_core/build_command.js

Netlify build module

import { platform } from 'process';
import { trace } from '@opentelemetry/api';
import { wrapTracer } from '@opentelemetry/api/experimental';
import { execa } from 'execa';
import { addErrorInfo } from '../error/info.js';
import { getBuildCommandDescription } from '../log/description.js';
import { logBuildCommandStart } from '../log/messages/steps.js';
import { getBuildCommandStdio, handleBuildCommandOutput } from '../log/stream.js';
const tracer = wrapTracer(trace.getTracer('build-command'));
// Fire `build.command`
const coreStep = async function ({ configPath, buildDir, nodePath, childEnv, logs, netlifyConfig: { build: { command: buildCommand, commandOrigin: buildCommandOrigin }, }, }) {
    return tracer.withActiveSpan('build.command', async (span) => {
        span.setAttributes({
            'build.command.origin': buildCommandOrigin,
            'build.cwd': buildDir,
        });
        logBuildCommandStart(logs, buildCommand);
        const stdio = getBuildCommandStdio(logs);
        const childProcess = execa(buildCommand, {
            shell: SHELL,
            cwd: buildDir,
            preferLocal: true,
            execPath: nodePath,
            env: childEnv,
            extendEnv: false,
            stdio,
        });
        try {
            const buildCommandOutput = await childProcess;
            handleBuildCommandOutput(buildCommandOutput, logs);
            return {};
        }
        catch (error) {
            // In our test environment we use `stdio: 'pipe'` on the build command, meaning our `stdout/stderr` output are
            // buffered and consequently added to `error.message`. To avoid this and end up with duplicated output in our
            // logs/snapshots we need to rely on `error.shortMessage`.
            error.message = error.shortMessage;
            handleBuildCommandOutput(error, logs);
            addErrorInfo(error, { type: 'buildCommand', location: { buildCommand, buildCommandOrigin, configPath } });
            throw error;
        }
    });
};
// We use Bash on Unix and `cmd.exe` on Windows
const SHELL = platform === 'win32' ? true : 'bash';
const coreStepDescription = function ({ netlifyConfig: { build: { commandOrigin: buildCommandOrigin }, }, }) {
    return getBuildCommandDescription(buildCommandOrigin);
};
const hasBuildCommand = function ({ netlifyConfig: { build: { command: buildCommand }, }, }) {
    return buildCommand !== undefined && buildCommand !== '';
};
export const buildCommandCore = {
    event: 'onBuild',
    coreStep,
    coreStepId: 'build_command',
    coreStepName: 'build.command',
    coreStepDescription,
    condition: hasBuildCommand,
};