65 lines
2.7 KiB
JavaScript
65 lines
2.7 KiB
JavaScript
import { getEnvironmentVariable } from "./env.js";
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export function logVersion010MigrationWarning({ oldEntrypointName, newEntrypointName, newPackageName = "@langchain/community", }) {
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let finalEntrypointName = "";
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if (newEntrypointName === undefined) {
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finalEntrypointName = `/${oldEntrypointName}`;
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}
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else if (newEntrypointName !== "") {
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finalEntrypointName = `/${newEntrypointName}`;
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}
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let warningText = [
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`[WARNING]: Importing from "langchain/${oldEntrypointName}" is deprecated.`,
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``,
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`Instead, please add the "${newPackageName}" package to your project with e.g.`,
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``,
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` $ npm install ${newPackageName}`,
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``,
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`and import from "${newPackageName}${finalEntrypointName}".`,
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``,
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`This will be mandatory after the next "langchain" minor version bump to 0.2.`,
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].join("\n");
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if (newPackageName === "@langchain/core") {
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warningText = [
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`[WARNING]: Importing from "langchain/${oldEntrypointName}" is deprecated.`,
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``,
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`Instead, please import from "${newPackageName}${finalEntrypointName}".`,
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``,
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`This will be mandatory after the next "langchain" minor version bump to 0.2.`,
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].join("\n");
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}
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if (getEnvironmentVariable("LANGCHAIN_SUPPRESS_MIGRATION_WARNINGS") !== "true") {
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console.warn(warningText);
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}
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}
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export function logVersion020MigrationWarning({ oldEntrypointName, newEntrypointName, newPackageName = "@langchain/community", }) {
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let finalEntrypointName = "";
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if (newEntrypointName === undefined) {
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finalEntrypointName = `/${oldEntrypointName}`;
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}
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else if (newEntrypointName !== "") {
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finalEntrypointName = `/${newEntrypointName}`;
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}
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let warningText = [
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`[WARNING]: Importing from "langchain/${oldEntrypointName}" is deprecated.`,
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``,
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`Instead, please add the "${newPackageName}" package to your project with e.g.`,
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``,
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` $ npm install ${newPackageName}`,
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``,
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`and import from "${newPackageName}${finalEntrypointName}".`,
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``,
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`This will be mandatory after the next "langchain" minor version bump to 0.3.`,
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].join("\n");
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if (newPackageName === "@langchain/core") {
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warningText = [
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`[WARNING]: Importing from "langchain/${oldEntrypointName}" is deprecated.`,
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``,
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`Instead, please import from "${newPackageName}${finalEntrypointName}".`,
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``,
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`This will be mandatory after the next "langchain" minor version bump to 0.3.`,
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].join("\n");
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}
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if (getEnvironmentVariable("LANGCHAIN_SUPPRESS_MIGRATION_WARNINGS") !== "true") {
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console.warn(warningText);
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}
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}
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