2.3.1 • Published 2 months ago

tslib v2.3.1

Weekly downloads
46,156,040
License
0BSD
Repository
github
Last release
2 months ago

tslib

This is a runtime library for TypeScript that contains all of the TypeScript helper functions.

This library is primarily used by the --importHelpers flag in TypeScript. When using --importHelpers, a module that uses helper functions like __extends and __assign in the following emitted file:

var __assign = (this && this.__assign) || Object.assign || function(t) {
    for (var s, i = 1, n = arguments.length; i < n; i++) {
        s = arguments[i];
        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
            t[p] = s[p];
    }
    return t;
};
exports.x = {};
exports.y = __assign({}, exports.x);

will instead be emitted as something like the following:

var tslib_1 = require("tslib");
exports.x = {};
exports.y = tslib_1.__assign({}, exports.x);

Because this can avoid duplicate declarations of things like __extends, __assign, etc., this means delivering users smaller files on average, as well as less runtime overhead. For optimized bundles with TypeScript, you should absolutely consider using tslib and --importHelpers.

Installing

For the latest stable version, run:

npm

# TypeScript 3.9.2 or later
npm install tslib

# TypeScript 3.8.4 or earlier
npm install tslib@^1

# TypeScript 2.3.2 or earlier
npm install tslib@1.6.1

yarn

# TypeScript 3.9.2 or later
yarn add tslib

# TypeScript 3.8.4 or earlier
yarn add tslib@^1

# TypeScript 2.3.2 or earlier
yarn add tslib@1.6.1

bower

# TypeScript 3.9.2 or later
bower install tslib

# TypeScript 3.8.4 or earlier
bower install tslib@^1

# TypeScript 2.3.2 or earlier
bower install tslib@1.6.1

JSPM

# TypeScript 3.9.2 or later
jspm install tslib

# TypeScript 3.8.4 or earlier
jspm install tslib@^1

# TypeScript 2.3.2 or earlier
jspm install tslib@1.6.1

Usage

Set the importHelpers compiler option on the command line:

tsc --importHelpers file.ts

or in your tsconfig.json:

{
    "compilerOptions": {
        "importHelpers": true
    }
}

For bower and JSPM users

You will need to add a paths mapping for tslib, e.g. For Bower users:

{
    "compilerOptions": {
        "module": "amd",
        "importHelpers": true,
        "baseUrl": "./",
        "paths": {
            "tslib" : ["bower_components/tslib/tslib.d.ts"]
        }
    }
}

For JSPM users:

{
    "compilerOptions": {
        "module": "system",
        "importHelpers": true,
        "baseUrl": "./",
        "paths": {
            "tslib" : ["jspm_packages/npm/tslib@2.x.y/tslib.d.ts"]
        }
    }
}

Deployment

  • Choose your new version number
  • Set it in package.json and bower.json
  • Create a tag: git tag [version]
  • Push the tag: git push --tags
  • Create a release in GitHub
  • Run the publish to npm workflow

Done.

Contribute

There are many ways to contribute to TypeScript.

Documentation

rxjstsutilscamel-caselower-caseast-typesno-caseparam-casepascal-casecheeriodot-caseupper-caserecast@sentry/utils@sentry/minimal@sentry/hub@sentry/core@graphql-tools/utilsgraphql-tag@wry/equalityts-invariantlesstslint@sentry/browserpath-caseapollo-utilitiesapollo-linkchange-caseconstant-case@angular/core@angular/compilersnake-casesentence-casegraphql-toolsupper-case-first@endemolshinegroup/cosmiconfig-typescript-loader@sentry/tracing@sentry/node@graphql-tools/schema@graphql-tools/merge@graphql-tools/json-file-loader@graphql-tools/load@graphql-tools/graphql-file-loader@graphql-tools/delegate@graphql-tools/wrap@graphql-tools/url-loader@firebase/app@firebase/database@firebase/logger@graphql-codegen/plugin-helperszone.js@firebase/util@firebase/componentapollo-link-errorapollo-link-httpapollo-link-http-commonapollo-cache-inmemoryapollo-cacheapollo-clientdownshiftformikheader-casefocus-lockreact-docgen-typescript-plugincodelyzercli-uxintl-messageformat-parseris-lower-case@apollo/client@ardatan/aggregate-erroris-upper-case@angular/compiler-cli@angular/common@angular/cdk@angular/animationsintl-messageformat@angular-devkit/build-optimizer@angular-devkit/build-angular@angular/platform-browser-dynamic@angular/forms@angular/platform-browser@angular/routerlower-case-firsttitle-case@oclif/parser@oclif/configswap-caseuse-sidecarnexti-mapcanny-libraryng-jhipster-uppurchasing-options-liberrorproneioconnect-common-audit-history-control-libconnect-common-step-modal-control-libdefo-libfelix-sum-reactfx-cms-ui@zvs96/ngx-dragdrop-gridvuedragdropuploadimagesjs-type-conversion
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