本文整理汇总了TypeScript中@angular-devkit/core.json.parseJson方法的典型用法代码示例。如果您正苦于以下问题:TypeScript json.parseJson方法的具体用法?TypeScript json.parseJson怎么用?TypeScript json.parseJson使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类@angular-devkit/core.json
的用法示例。
在下文中一共展示了json.parseJson方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: runCommand
export async function runCommand(
args: string[],
logger: logging.Logger,
workspace: CommandWorkspace,
commands?: CommandMapOptions,
): Promise<number | void> {
if (commands === undefined) {
const commandMapPath = findUp('commands.json', __dirname);
if (commandMapPath === null) {
throw new Error('Unable to find command map.');
}
const cliDir = dirname(commandMapPath);
const commandsText = readFileSync(commandMapPath).toString('utf-8');
const commandJson = json.parseJson(
commandsText,
JsonParseMode.Loose,
{ path: commandMapPath },
);
if (!isJsonObject(commandJson)) {
throw Error('Invalid command.json');
}
commands = {};
for (const commandName of Object.keys(commandJson)) {
const commandValue = commandJson[commandName];
if (typeof commandValue == 'string') {
commands[commandName] = resolve(cliDir, commandValue);
}
}
}
// This registry is exclusively used for flattening schemas, and not for validating.
const registry = new schema.CoreSchemaRegistry([]);
registry.registerUriHandler((uri: string) => {
if (uri.startsWith('ng-cli://')) {
const content = readFileSync(join(__dirname, '..', uri.substr('ng-cli://'.length)), 'utf-8');
return Promise.resolve(JSON.parse(content));
} else {
return null;
}
});
// Normalize the commandMap
const commandMap: CommandDescriptionMap = {};
for (const name of Object.keys(commands)) {
const schemaPath = commands[name];
const schemaContent = readFileSync(schemaPath, 'utf-8');
const schema = json.parseJson(schemaContent, JsonParseMode.Loose, { path: schemaPath });
if (!isJsonObject(schema)) {
throw new Error('Invalid command JSON loaded from ' + JSON.stringify(schemaPath));
}
commandMap[name] =
await parseJsonSchemaToCommandDescription(name, schemaPath, registry, schema);
}
let commandName: string | undefined = undefined;
for (let i = 0; i < args.length; i++) {
const arg = args[i];
if (arg in commandMap) {
commandName = arg;
args.splice(i, 1);
break;
} else if (!arg.startsWith('-')) {
commandName = arg;
args.splice(i, 1);
break;
}
}
// if no commands were found, use `help`.
if (commandName === undefined) {
if (args.length === 1 && args[0] === '--version') {
commandName = 'version';
} else {
commandName = 'help';
}
}
let description: CommandDescription | null = null;
if (commandName !== undefined) {
if (commandMap[commandName]) {
description = commandMap[commandName];
} else {
Object.keys(commandMap).forEach(name => {
const commandDescription = commandMap[name];
const aliases = commandDescription.aliases;
let found = false;
if (aliases) {
if (aliases.some(alias => alias === commandName)) {
found = true;
}
}
if (found) {
if (description) {
//.........这里部分代码省略.........